./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34ebd55fb329f5d1f91a7448416ebb87d44ad143bdc373b65c05d35b2199abdd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:34:42,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:34:42,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:34:42,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:34:42,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:34:42,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:34:42,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:34:42,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:34:42,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:34:42,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:34:42,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:34:42,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:34:42,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:34:42,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:34:42,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:34:42,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:34:42,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:34:42,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:34:42,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:34:42,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:34:42,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:34:42,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:34:42,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:34:42,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:34:42,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:34:42,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:34:42,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:34:42,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:34:42,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:34:42,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:34:42,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:34:42,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:34:42,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:34:42,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:34:42,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:34:42,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:34:42,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:34:42,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:34:42,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:34:42,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:34:42,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:34:42,980 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 19:34:43,007 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:34:43,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:34:43,008 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:34:43,008 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:34:43,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:34:43,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:34:43,010 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:34:43,010 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 19:34:43,011 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 19:34:43,011 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 19:34:43,011 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 19:34:43,012 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 19:34:43,012 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 19:34:43,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:34:43,012 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:34:43,013 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:34:43,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:34:43,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:34:43,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:34:43,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 19:34:43,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 19:34:43,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 19:34:43,014 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:34:43,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:34:43,015 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 19:34:43,015 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:34:43,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 19:34:43,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:34:43,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:34:43,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:34:43,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:34:43,018 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 19:34:43,018 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_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34ebd55fb329f5d1f91a7448416ebb87d44ad143bdc373b65c05d35b2199abdd [2022-11-18 19:34:43,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:34:43,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:34:43,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:34:43,337 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:34:43,338 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:34:43,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2022-11-18 19:34:43,441 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/data/5fc265473/39c4a4757f514cc994cfbb799299f40e/FLAGc7f5ec9a4 [2022-11-18 19:34:44,014 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:34:44,015 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2022-11-18 19:34:44,028 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/data/5fc265473/39c4a4757f514cc994cfbb799299f40e/FLAGc7f5ec9a4 [2022-11-18 19:34:44,322 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/data/5fc265473/39c4a4757f514cc994cfbb799299f40e [2022-11-18 19:34:44,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:34:44,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:34:44,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:34:44,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:34:44,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:34:44,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:34:44" (1/1) ... [2022-11-18 19:34:44,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25aa4b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:44, skipping insertion in model container [2022-11-18 19:34:44,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:34:44" (1/1) ... [2022-11-18 19:34:44,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:34:44,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:34:44,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:34:44,840 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:34:44,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:34:44,921 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:34:44,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:44 WrapperNode [2022-11-18 19:34:44,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:34:44,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:34:44,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:34:44,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:34:44,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:44" (1/1) ... [2022-11-18 19:34:44,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:44" (1/1) ... [2022-11-18 19:34:44,971 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2022-11-18 19:34:44,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:34:44,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:34:44,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:34:44,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:34:44,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:44" (1/1) ... [2022-11-18 19:34:44,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:44" (1/1) ... [2022-11-18 19:34:44,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:44" (1/1) ... [2022-11-18 19:34:44,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:44" (1/1) ... [2022-11-18 19:34:44,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:44" (1/1) ... [2022-11-18 19:34:44,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:44" (1/1) ... [2022-11-18 19:34:45,000 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:44" (1/1) ... [2022-11-18 19:34:45,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:44" (1/1) ... [2022-11-18 19:34:45,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:34:45,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:34:45,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:34:45,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:34:45,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:44" (1/1) ... [2022-11-18 19:34:45,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:45,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:45,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:45,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 19:34:45,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:34:45,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:34:45,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:34:45,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:34:45,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:34:45,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:34:45,264 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:34:45,266 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:34:45,450 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:34:45,470 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:34:45,471 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 19:34:45,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:34:45 BoogieIcfgContainer [2022-11-18 19:34:45,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:34:45,488 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 19:34:45,488 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 19:34:45,493 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 19:34:45,494 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:34:45,494 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 07:34:44" (1/3) ... [2022-11-18 19:34:45,496 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35ada43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:34:45, skipping insertion in model container [2022-11-18 19:34:45,496 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:34:45,496 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:44" (2/3) ... [2022-11-18 19:34:45,497 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35ada43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:34:45, skipping insertion in model container [2022-11-18 19:34:45,497 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:34:45,497 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:34:45" (3/3) ... [2022-11-18 19:34:45,499 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcmp-alloca-1.i [2022-11-18 19:34:45,621 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 19:34:45,621 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 19:34:45,622 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 19:34:45,622 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 19:34:45,622 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 19:34:45,627 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 19:34:45,627 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 19:34:45,628 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 19:34:45,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:45,675 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2022-11-18 19:34:45,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:34:45,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:34:45,682 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 19:34:45,683 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:34:45,683 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 19:34:45,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:45,688 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2022-11-18 19:34:45,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:34:45,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:34:45,690 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 19:34:45,690 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:34:45,712 INFO L748 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~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 12#L524true assume !(main_~length1~0#1 < 1); 17#L524-2true assume !(main_~length2~0#1 < 1); 5#L527-1true call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 13#L533-3true [2022-11-18 19:34:45,712 INFO L750 eck$LassoCheckResult]: Loop: 13#L533-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 2#L533-2true main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 13#L533-3true [2022-11-18 19:34:45,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:45,720 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-11-18 19:34:45,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:45,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701997090] [2022-11-18 19:34:45,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:45,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:45,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:34:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:45,935 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:34:45,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:45,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2022-11-18 19:34:45,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:45,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012950682] [2022-11-18 19:34:45,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:45,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:45,956 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:34:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:45,976 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:34:45,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:45,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2022-11-18 19:34:45,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:45,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117688317] [2022-11-18 19:34:45,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:45,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:46,028 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:34:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:46,058 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:34:46,631 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:34:46,632 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:34:46,632 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:34:46,633 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:34:46,633 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:34:46,633 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:46,633 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:34:46,634 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:34:46,634 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcmp-alloca-1.i_Iteration1_Lasso [2022-11-18 19:34:46,634 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:34:46,635 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:34:46,663 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:46,675 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:46,684 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:46,688 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:46,692 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:46,696 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:46,700 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:46,705 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:46,710 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:47,032 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:47,038 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:47,041 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:47,046 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:47,052 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:47,058 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:47,574 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:34:47,579 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:34:47,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:47,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:47,585 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:47,590 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 [2022-11-18 19:34:47,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 19:34:47,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:47,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:34:47,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:47,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:47,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:47,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:34:47,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:34:47,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:47,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:47,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:47,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:47,633 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:47,645 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 [2022-11-18 19:34:47,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 19:34:47,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:47,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:47,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:47,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:47,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:34:47,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:34:47,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:47,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:47,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:47,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:47,694 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:47,698 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 [2022-11-18 19:34:47,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 19:34:47,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:47,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:34:47,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:47,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:47,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:47,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:34:47,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:34:47,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:47,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:47,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:47,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:47,734 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:47,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 19:34:47,740 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 [2022-11-18 19:34:47,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:47,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:34:47,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:47,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:47,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:47,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:34:47,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:34:47,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:47,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:47,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:47,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:47,786 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:47,797 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 [2022-11-18 19:34:47,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 19:34:47,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:47,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:34:47,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:47,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:47,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:47,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:34:47,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:34:47,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:47,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:47,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:47,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:47,825 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:47,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 19:34:47,828 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 [2022-11-18 19:34:47,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:47,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:34:47,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:47,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:47,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:47,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:34:47,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:34:47,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:47,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:47,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:47,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:47,877 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:47,893 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 [2022-11-18 19:34:47,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 19:34:47,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:47,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:47,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:47,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:47,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:34:47,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:34:47,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:47,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:47,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:47,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:47,950 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:47,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 19:34:47,956 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 [2022-11-18 19:34:47,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:47,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:47,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:47,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:47,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:34:47,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:34:47,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:47,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:47,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:47,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:47,997 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:48,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:34:48,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 19:34:48,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:48,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:48,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:48,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:48,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:34:48,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:34:48,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:48,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:48,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:48,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:48,057 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:48,071 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 [2022-11-18 19:34:48,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 19:34:48,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:48,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:48,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:48,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:48,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:34:48,087 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:34:48,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:48,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:48,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:48,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:48,110 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:48,119 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 [2022-11-18 19:34:48,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:48,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:34:48,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:48,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:48,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:48,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 19:34:48,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:34:48,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:34:48,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:48,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:48,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:48,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:48,169 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:48,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:34:48,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 19:34:48,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:48,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:48,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:48,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:48,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:34:48,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:34:48,221 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:34:48,242 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-18 19:34:48,243 INFO L444 ModelExtractionUtils]: 16 out of 22 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-18 19:34:48,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:48,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:48,248 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:48,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 19:34:48,267 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:34:48,301 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 19:34:48,301 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:34:48,301 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-11-18 19:34:48,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:48,334 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-18 19:34:48,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:48,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:34:48,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:34:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:48,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:34:48,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:34:48,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:34:48,510 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 19:34:48,512 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:48,588 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 64 transitions. Complement of second has 7 states. [2022-11-18 19:34:48,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 19:34:48,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:48,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2022-11-18 19:34:48,605 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-18 19:34:48,606 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:34:48,606 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-18 19:34:48,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:34:48,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-18 19:34:48,609 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:34:48,610 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 64 transitions. [2022-11-18 19:34:48,620 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-18 19:34:48,624 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 15 states and 20 transitions. [2022-11-18 19:34:48,625 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-18 19:34:48,625 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-18 19:34:48,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2022-11-18 19:34:48,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:34:48,626 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-18 19:34:48,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2022-11-18 19:34:48,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-18 19:34:48,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:48,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2022-11-18 19:34:48,652 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-18 19:34:48,652 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-18 19:34:48,652 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 19:34:48,653 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2022-11-18 19:34:48,655 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-18 19:34:48,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:34:48,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:34:48,656 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:34:48,656 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:34:48,656 INFO L748 eck$LassoCheckResult]: Stem: 137#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 138#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 146#L524 assume !(main_~length1~0#1 < 1); 148#L524-2 assume !(main_~length2~0#1 < 1); 139#L527-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 140#L533-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 147#L533-4 main_~i~1#1 := 0; 144#L537-3 [2022-11-18 19:34:48,657 INFO L750 eck$LassoCheckResult]: Loop: 144#L537-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 145#L537-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 144#L537-3 [2022-11-18 19:34:48,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:48,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2022-11-18 19:34:48,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:48,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975959308] [2022-11-18 19:34:48,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:48,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:48,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:34:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:48,742 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:34:48,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:48,743 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2022-11-18 19:34:48,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:48,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060361657] [2022-11-18 19:34:48,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:48,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:48,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:34:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:48,782 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:34:48,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:48,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2022-11-18 19:34:48,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:48,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238941209] [2022-11-18 19:34:48,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:48,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:48,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:48,823 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:34:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:48,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:34:49,245 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:34:49,245 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:34:49,245 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:34:49,245 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:34:49,245 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:34:49,245 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:49,246 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:34:49,246 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:34:49,246 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcmp-alloca-1.i_Iteration2_Lasso [2022-11-18 19:34:49,246 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:34:49,246 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:34:49,249 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:49,253 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:49,256 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:49,260 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:49,267 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:49,510 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:49,513 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:49,516 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:49,520 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:49,524 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:49,527 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:49,535 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:49,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:49,549 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:49,961 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:34:49,961 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:34:49,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:49,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:49,962 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:49,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 19:34:49,967 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 [2022-11-18 19:34:49,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:49,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:34:49,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:49,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:49,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:49,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:34:49,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:34:49,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:50,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:50,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:50,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:50,005 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:50,017 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 [2022-11-18 19:34:50,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 19:34:50,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:50,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:34:50,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:50,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:50,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:50,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:34:50,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:34:50,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:50,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:50,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:50,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:50,059 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:50,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 19:34:50,072 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 [2022-11-18 19:34:50,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:50,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:34:50,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:50,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:50,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:50,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:34:50,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:34:50,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:50,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:50,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:50,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:50,097 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:50,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 19:34:50,103 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 [2022-11-18 19:34:50,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:50,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:50,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:50,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:50,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:34:50,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:34:50,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:50,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:50,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:50,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:50,139 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:50,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 19:34:50,147 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 [2022-11-18 19:34:50,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:50,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:50,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:50,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:50,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:34:50,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:34:50,195 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:34:50,243 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-11-18 19:34:50,243 INFO L444 ModelExtractionUtils]: 2 out of 22 variables were initially zero. Simplification set additionally 16 variables to zero. [2022-11-18 19:34:50,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:50,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:50,245 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:50,272 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:34:50,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 19:34:50,285 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 19:34:50,285 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:34:50,285 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nondetString2~0#1.offset, ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1) = -1*ULTIMATE.start_main_~nondetString2~0#1.offset - 1*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 Supporting invariants [] [2022-11-18 19:34:50,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:50,317 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-18 19:34:50,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:50,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:34:50,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:34:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:50,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:34:50,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:34:50,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:34:50,404 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 19:34:50,404 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:50,448 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 30 transitions. Complement of second has 6 states. [2022-11-18 19:34:50,448 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 [2022-11-18 19:34:50,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:50,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2022-11-18 19:34:50,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-18 19:34:50,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:34:50,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-18 19:34:50,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:34:50,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-18 19:34:50,453 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:34:50,453 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 30 transitions. [2022-11-18 19:34:50,456 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 19:34:50,457 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 22 transitions. [2022-11-18 19:34:50,458 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 19:34:50,458 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-18 19:34:50,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2022-11-18 19:34:50,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:34:50,458 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-11-18 19:34:50,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2022-11-18 19:34:50,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-18 19:34:50,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:50,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2022-11-18 19:34:50,463 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-11-18 19:34:50,464 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-11-18 19:34:50,464 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 19:34:50,464 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2022-11-18 19:34:50,466 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 19:34:50,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:34:50,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:34:50,467 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:34:50,468 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 19:34:50,468 INFO L748 eck$LassoCheckResult]: Stem: 246#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 247#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 256#L524 assume !(main_~length1~0#1 < 1); 259#L524-2 assume !(main_~length2~0#1 < 1); 248#L527-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 249#L533-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 257#L533-4 main_~i~1#1 := 0; 253#L537-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 250#L537-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcmp } true;cstrcmp_#in~s1#1.base, cstrcmp_#in~s1#1.offset, cstrcmp_#in~s2#1.base, cstrcmp_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcmp_#res#1;havoc cstrcmp_#t~post5#1.base, cstrcmp_#t~post5#1.offset, cstrcmp_#t~mem6#1, cstrcmp_#t~mem3#1, cstrcmp_#t~post2#1.base, cstrcmp_#t~post2#1.offset, cstrcmp_#t~mem4#1, cstrcmp_#t~mem8#1, cstrcmp_#t~pre7#1.base, cstrcmp_#t~pre7#1.offset, cstrcmp_#t~mem9#1, cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset, cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset;cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset := cstrcmp_#in~s1#1.base, cstrcmp_#in~s1#1.offset;cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset := cstrcmp_#in~s2#1.base, cstrcmp_#in~s2#1.offset; 251#L516-3 [2022-11-18 19:34:50,468 INFO L750 eck$LassoCheckResult]: Loop: 251#L516-3 call cstrcmp_#t~mem3#1 := read~int(cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset, 1);cstrcmp_#t~post2#1.base, cstrcmp_#t~post2#1.offset := cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset;cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset := cstrcmp_#t~post2#1.base, 1 + cstrcmp_#t~post2#1.offset;call cstrcmp_#t~mem4#1 := read~int(cstrcmp_#t~post2#1.base, cstrcmp_#t~post2#1.offset, 1); 252#L516-1 assume !!(cstrcmp_#t~mem3#1 == cstrcmp_#t~mem4#1);havoc cstrcmp_#t~mem3#1;havoc cstrcmp_#t~post2#1.base, cstrcmp_#t~post2#1.offset;havoc cstrcmp_#t~mem4#1;cstrcmp_#t~post5#1.base, cstrcmp_#t~post5#1.offset := cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset;cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset := cstrcmp_#t~post5#1.base, 1 + cstrcmp_#t~post5#1.offset;call cstrcmp_#t~mem6#1 := read~int(cstrcmp_#t~post5#1.base, cstrcmp_#t~post5#1.offset, 1); 258#L517 assume !(0 == cstrcmp_#t~mem6#1);havoc cstrcmp_#t~post5#1.base, cstrcmp_#t~post5#1.offset;havoc cstrcmp_#t~mem6#1; 251#L516-3 [2022-11-18 19:34:50,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:50,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2022-11-18 19:34:50,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:50,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435030369] [2022-11-18 19:34:50,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:50,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:50,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:34:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:50,548 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:34:50,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:50,554 INFO L85 PathProgramCache]: Analyzing trace with hash 77620, now seen corresponding path program 1 times [2022-11-18 19:34:50,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:50,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102326869] [2022-11-18 19:34:50,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:50,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:50,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:50,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:34:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:50,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:34:50,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:50,596 INFO L85 PathProgramCache]: Analyzing trace with hash -296047681, now seen corresponding path program 1 times [2022-11-18 19:34:50,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:50,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126900075] [2022-11-18 19:34:50,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:50,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:51,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:34:51,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:34:51,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126900075] [2022-11-18 19:34:51,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126900075] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:34:51,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:34:51,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:34:51,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327976871] [2022-11-18 19:34:51,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:34:51,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:34:51,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:34:51,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:34:51,361 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. cyclomatic complexity: 9 Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:51,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:34:51,467 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2022-11-18 19:34:51,467 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2022-11-18 19:34:51,468 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 19:34:51,468 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 17 states and 22 transitions. [2022-11-18 19:34:51,468 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-18 19:34:51,468 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-18 19:34:51,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2022-11-18 19:34:51,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:34:51,469 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2022-11-18 19:34:51,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2022-11-18 19:34:51,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2022-11-18 19:34:51,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:51,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2022-11-18 19:34:51,472 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-11-18 19:34:51,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:34:51,474 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-11-18 19:34:51,474 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 19:34:51,475 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2022-11-18 19:34:51,475 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 19:34:51,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:34:51,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:34:51,476 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:34:51,476 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 19:34:51,476 INFO L748 eck$LassoCheckResult]: Stem: 303#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 304#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 313#L524 assume !(main_~length1~0#1 < 1); 315#L524-2 assume !(main_~length2~0#1 < 1); 305#L527-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 306#L533-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 301#L533-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 302#L533-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 316#L533-4 main_~i~1#1 := 0; 310#L537-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 307#L537-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcmp } true;cstrcmp_#in~s1#1.base, cstrcmp_#in~s1#1.offset, cstrcmp_#in~s2#1.base, cstrcmp_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcmp_#res#1;havoc cstrcmp_#t~post5#1.base, cstrcmp_#t~post5#1.offset, cstrcmp_#t~mem6#1, cstrcmp_#t~mem3#1, cstrcmp_#t~post2#1.base, cstrcmp_#t~post2#1.offset, cstrcmp_#t~mem4#1, cstrcmp_#t~mem8#1, cstrcmp_#t~pre7#1.base, cstrcmp_#t~pre7#1.offset, cstrcmp_#t~mem9#1, cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset, cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset;cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset := cstrcmp_#in~s1#1.base, cstrcmp_#in~s1#1.offset;cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset := cstrcmp_#in~s2#1.base, cstrcmp_#in~s2#1.offset; 308#L516-3 [2022-11-18 19:34:51,477 INFO L750 eck$LassoCheckResult]: Loop: 308#L516-3 call cstrcmp_#t~mem3#1 := read~int(cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset, 1);cstrcmp_#t~post2#1.base, cstrcmp_#t~post2#1.offset := cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset;cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset := cstrcmp_#t~post2#1.base, 1 + cstrcmp_#t~post2#1.offset;call cstrcmp_#t~mem4#1 := read~int(cstrcmp_#t~post2#1.base, cstrcmp_#t~post2#1.offset, 1); 309#L516-1 assume !!(cstrcmp_#t~mem3#1 == cstrcmp_#t~mem4#1);havoc cstrcmp_#t~mem3#1;havoc cstrcmp_#t~post2#1.base, cstrcmp_#t~post2#1.offset;havoc cstrcmp_#t~mem4#1;cstrcmp_#t~post5#1.base, cstrcmp_#t~post5#1.offset := cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset;cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset := cstrcmp_#t~post5#1.base, 1 + cstrcmp_#t~post5#1.offset;call cstrcmp_#t~mem6#1 := read~int(cstrcmp_#t~post5#1.base, cstrcmp_#t~post5#1.offset, 1); 314#L517 assume !(0 == cstrcmp_#t~mem6#1);havoc cstrcmp_#t~post5#1.base, cstrcmp_#t~post5#1.offset;havoc cstrcmp_#t~mem6#1; 308#L516-3 [2022-11-18 19:34:51,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:51,477 INFO L85 PathProgramCache]: Analyzing trace with hash -2034626632, now seen corresponding path program 1 times [2022-11-18 19:34:51,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:51,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710023670] [2022-11-18 19:34:51,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:51,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:51,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:34:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:51,526 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:34:51,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:51,526 INFO L85 PathProgramCache]: Analyzing trace with hash 77620, now seen corresponding path program 2 times [2022-11-18 19:34:51,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:51,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078410192] [2022-11-18 19:34:51,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:51,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:51,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:34:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:51,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:34:51,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:51,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1311502365, now seen corresponding path program 1 times [2022-11-18 19:34:51,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:51,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949566919] [2022-11-18 19:34:51,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:51,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:52,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 19:34:52,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:34:52,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949566919] [2022-11-18 19:34:52,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949566919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:34:52,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:34:52,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:34:52,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811415988] [2022-11-18 19:34:52,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:34:52,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:34:52,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:34:52,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:34:52,312 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:52,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:34:52,513 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2022-11-18 19:34:52,514 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2022-11-18 19:34:52,514 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 19:34:52,515 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 21 transitions. [2022-11-18 19:34:52,515 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-18 19:34:52,515 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-18 19:34:52,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2022-11-18 19:34:52,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:34:52,515 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-11-18 19:34:52,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2022-11-18 19:34:52,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2022-11-18 19:34:52,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:52,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2022-11-18 19:34:52,517 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2022-11-18 19:34:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:34:52,520 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2022-11-18 19:34:52,520 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-18 19:34:52,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2022-11-18 19:34:52,521 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 19:34:52,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:34:52,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:34:52,521 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:34:52,521 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 19:34:52,522 INFO L748 eck$LassoCheckResult]: Stem: 362#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 363#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 372#L524 assume !(main_~length1~0#1 < 1); 374#L524-2 assume !(main_~length2~0#1 < 1); 364#L527-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 365#L533-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 360#L533-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 361#L533-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 375#L533-4 main_~i~1#1 := 0; 369#L537-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 370#L537-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 371#L537-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 366#L537-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcmp } true;cstrcmp_#in~s1#1.base, cstrcmp_#in~s1#1.offset, cstrcmp_#in~s2#1.base, cstrcmp_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcmp_#res#1;havoc cstrcmp_#t~post5#1.base, cstrcmp_#t~post5#1.offset, cstrcmp_#t~mem6#1, cstrcmp_#t~mem3#1, cstrcmp_#t~post2#1.base, cstrcmp_#t~post2#1.offset, cstrcmp_#t~mem4#1, cstrcmp_#t~mem8#1, cstrcmp_#t~pre7#1.base, cstrcmp_#t~pre7#1.offset, cstrcmp_#t~mem9#1, cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset, cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset;cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset := cstrcmp_#in~s1#1.base, cstrcmp_#in~s1#1.offset;cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset := cstrcmp_#in~s2#1.base, cstrcmp_#in~s2#1.offset; 367#L516-3 [2022-11-18 19:34:52,522 INFO L750 eck$LassoCheckResult]: Loop: 367#L516-3 call cstrcmp_#t~mem3#1 := read~int(cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset, 1);cstrcmp_#t~post2#1.base, cstrcmp_#t~post2#1.offset := cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset;cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset := cstrcmp_#t~post2#1.base, 1 + cstrcmp_#t~post2#1.offset;call cstrcmp_#t~mem4#1 := read~int(cstrcmp_#t~post2#1.base, cstrcmp_#t~post2#1.offset, 1); 368#L516-1 assume !!(cstrcmp_#t~mem3#1 == cstrcmp_#t~mem4#1);havoc cstrcmp_#t~mem3#1;havoc cstrcmp_#t~post2#1.base, cstrcmp_#t~post2#1.offset;havoc cstrcmp_#t~mem4#1;cstrcmp_#t~post5#1.base, cstrcmp_#t~post5#1.offset := cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset;cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset := cstrcmp_#t~post5#1.base, 1 + cstrcmp_#t~post5#1.offset;call cstrcmp_#t~mem6#1 := read~int(cstrcmp_#t~post5#1.base, cstrcmp_#t~post5#1.offset, 1); 373#L517 assume !(0 == cstrcmp_#t~mem6#1);havoc cstrcmp_#t~post5#1.base, cstrcmp_#t~post5#1.offset;havoc cstrcmp_#t~mem6#1; 367#L516-3 [2022-11-18 19:34:52,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:52,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1066016806, now seen corresponding path program 1 times [2022-11-18 19:34:52,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:52,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253122368] [2022-11-18 19:34:52,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:52,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:52,546 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:34:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:52,559 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:34:52,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:52,560 INFO L85 PathProgramCache]: Analyzing trace with hash 77620, now seen corresponding path program 3 times [2022-11-18 19:34:52,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:52,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869951005] [2022-11-18 19:34:52,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:52,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:52,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:34:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:52,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:34:52,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:52,573 INFO L85 PathProgramCache]: Analyzing trace with hash -718433093, now seen corresponding path program 1 times [2022-11-18 19:34:52,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:52,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543485123] [2022-11-18 19:34:52,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:52,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:52,607 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:34:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:34:52,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:34:54,192 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:34:54,193 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:34:54,193 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:34:54,193 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:34:54,193 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:34:54,193 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:54,193 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:34:54,193 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:34:54,194 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcmp-alloca-1.i_Iteration5_Lasso [2022-11-18 19:34:54,194 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:34:54,194 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:34:54,205 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:54,209 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:54,212 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:54,215 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:54,217 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:54,220 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:54,222 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:54,225 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:54,228 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:54,231 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:54,233 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:54,236 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:54,238 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:54,241 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:55,393 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:55,402 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:55,404 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:55,406 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:55,409 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:55,411 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:55,414 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:55,416 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:55,417 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:55,421 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:55,423 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:55,424 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:34:56,331 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:34:56,331 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:34:56,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:56,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:56,340 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:56,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 19:34:56,344 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 [2022-11-18 19:34:56,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:56,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:56,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:56,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:56,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:34:56,359 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:34:56,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:56,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:56,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:56,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:56,368 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:56,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 19:34:56,371 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 [2022-11-18 19:34:56,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:56,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:34:56,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:56,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:56,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:56,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:34:56,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:34:56,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:56,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-11-18 19:34:56,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:56,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:56,408 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:56,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-18 19:34:56,411 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 [2022-11-18 19:34:56,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:56,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:34:56,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:56,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:56,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:56,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:34:56,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:34:56,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:56,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-11-18 19:34:56,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:56,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:56,454 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:56,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 19:34:56,457 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 [2022-11-18 19:34:56,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:56,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:34:56,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:56,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:56,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:56,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:34:56,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:34:56,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:56,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-11-18 19:34:56,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:56,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:56,474 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:56,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 19:34:56,480 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 [2022-11-18 19:34:56,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:56,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:34:56,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:56,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:56,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:56,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:34:56,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:34:56,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:56,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:56,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:56,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:56,501 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:56,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-18 19:34:56,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:34:56,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:56,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:34:56,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:56,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:56,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:56,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:34:56,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:34:56,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:56,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-18 19:34:56,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:56,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:56,521 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:56,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-18 19:34:56,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:34:56,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:56,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:34:56,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:56,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:56,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:56,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:34:56,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:34:56,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:56,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:56,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:56,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:56,543 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:56,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-18 19:34:56,547 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 [2022-11-18 19:34:56,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:56,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:56,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:56,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:56,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:34:56,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:34:56,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:56,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-18 19:34:56,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:56,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:56,592 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:56,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-18 19:34:56,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:34:56,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:56,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:34:56,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:56,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:56,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:56,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:34:56,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:34:56,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:56,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:56,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:56,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:56,628 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:56,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-18 19:34:56,631 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 [2022-11-18 19:34:56,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:56,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:34:56,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:56,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:56,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:56,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:34:56,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:34:56,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:56,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-18 19:34:56,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:56,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:56,653 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:56,660 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 [2022-11-18 19:34:56,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-18 19:34:56,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:56,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:56,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:56,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:56,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:34:56,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:34:56,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:56,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:56,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:56,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:56,702 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:56,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-18 19:34:56,704 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 [2022-11-18 19:34:56,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:56,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:34:56,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:56,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:56,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:56,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:34:56,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:34:56,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:56,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-18 19:34:56,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:56,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:56,722 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:56,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-18 19:34:56,725 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 [2022-11-18 19:34:56,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:56,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:34:56,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:56,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:56,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:56,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:34:56,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:34:56,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:56,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-18 19:34:56,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:56,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:56,743 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:56,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-18 19:34:56,753 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 [2022-11-18 19:34:56,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:56,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:56,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:56,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:56,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:34:56,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:34:56,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:56,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:56,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:56,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:56,785 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:56,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-18 19:34:56,788 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 [2022-11-18 19:34:56,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:56,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:56,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:56,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:56,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:34:56,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:34:56,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:34:56,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:56,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:56,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:56,810 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:56,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:34:56,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-18 19:34:56,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:34:56,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:34:56,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:34:56,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:34:56,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:34:56,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:34:56,897 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:34:57,004 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2022-11-18 19:34:57,004 INFO L444 ModelExtractionUtils]: 24 out of 52 variables were initially zero. Simplification set additionally 25 variables to zero. [2022-11-18 19:34:57,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:34:57,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:57,012 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:57,016 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:34:57,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-18 19:34:57,049 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 19:34:57,049 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:34:57,049 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_3, ULTIMATE.start_cstrcmp_~s2#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_3 - 1*ULTIMATE.start_cstrcmp_~s2#1.offset Supporting invariants [] [2022-11-18 19:34:57,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:57,199 INFO L156 tatePredicateManager]: 24 out of 26 supporting invariants were superfluous and have been removed [2022-11-18 19:34:57,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:57,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-18 19:34:57,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:34:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:57,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-18 19:34:57,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:34:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:34:57,470 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-18 19:34:57,471 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 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) [2022-11-18 19:34:57,537 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 23 transitions. Complement of second has 5 states. [2022-11-18 19:34:57,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 0 non-accepting loop states 2 accepting loop states [2022-11-18 19:34:57,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 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) [2022-11-18 19:34:57,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-11-18 19:34:57,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 13 letters. Loop has 3 letters. [2022-11-18 19:34:57,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:34:57,542 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 19:34:57,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:57,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-18 19:34:57,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:34:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:57,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-18 19:34:57,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:34:57,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:34:57,763 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-18 19:34:57,763 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 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) [2022-11-18 19:34:57,831 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 24 transitions. Complement of second has 7 states. [2022-11-18 19:34:57,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 19:34:57,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 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) [2022-11-18 19:34:57,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2022-11-18 19:34:57,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 13 letters. Loop has 3 letters. [2022-11-18 19:34:57,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:34:57,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 16 letters. Loop has 3 letters. [2022-11-18 19:34:57,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:34:57,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 13 letters. Loop has 6 letters. [2022-11-18 19:34:57,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:34:57,837 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 24 transitions. [2022-11-18 19:34:57,838 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 19:34:57,839 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2022-11-18 19:34:57,839 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 19:34:57,839 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 19:34:57,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 19:34:57,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:34:57,840 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:34:57,840 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:34:57,840 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:34:57,840 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-18 19:34:57,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 19:34:57,840 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 19:34:57,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 19:34:57,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 07:34:57 BoogieIcfgContainer [2022-11-18 19:34:57,849 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 19:34:57,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:34:57,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:34:57,851 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:34:57,851 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:34:45" (3/4) ... [2022-11-18 19:34:57,855 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 19:34:57,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:34:57,856 INFO L158 Benchmark]: Toolchain (without parser) took 13527.35ms. Allocated memory was 123.7MB in the beginning and 197.1MB in the end (delta: 73.4MB). Free memory was 86.4MB in the beginning and 76.9MB in the end (delta: 9.5MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. [2022-11-18 19:34:57,857 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 123.7MB. Free memory was 95.0MB in the beginning and 95.0MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:34:57,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.85ms. Allocated memory is still 123.7MB. Free memory was 86.1MB in the beginning and 92.2MB in the end (delta: -6.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 19:34:57,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.32ms. Allocated memory is still 123.7MB. Free memory was 92.2MB in the beginning and 90.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:34:57,858 INFO L158 Benchmark]: Boogie Preprocessor took 31.05ms. Allocated memory is still 123.7MB. Free memory was 90.3MB in the beginning and 88.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:34:57,859 INFO L158 Benchmark]: RCFGBuilder took 472.14ms. Allocated memory is still 123.7MB. Free memory was 88.9MB in the beginning and 75.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 19:34:57,859 INFO L158 Benchmark]: BuchiAutomizer took 12361.86ms. Allocated memory was 123.7MB in the beginning and 197.1MB in the end (delta: 73.4MB). Free memory was 75.6MB in the beginning and 76.9MB in the end (delta: -1.3MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. [2022-11-18 19:34:57,859 INFO L158 Benchmark]: Witness Printer took 5.04ms. Allocated memory is still 197.1MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:34:57,861 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 123.7MB. Free memory was 95.0MB in the beginning and 95.0MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.85ms. Allocated memory is still 123.7MB. Free memory was 86.1MB in the beginning and 92.2MB in the end (delta: -6.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.32ms. Allocated memory is still 123.7MB. Free memory was 92.2MB in the beginning and 90.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.05ms. Allocated memory is still 123.7MB. Free memory was 90.3MB in the beginning and 88.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 472.14ms. Allocated memory is still 123.7MB. Free memory was 88.9MB in the beginning and 75.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 12361.86ms. Allocated memory was 123.7MB in the beginning and 197.1MB in the end (delta: 73.4MB). Free memory was 75.6MB in the beginning and 76.9MB in the end (delta: -1.3MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. * Witness Printer took 5.04ms. Allocated memory is still 197.1MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[nondetString2] + -1 * nondetString2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * s2 and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.2s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 10.7s. Construction of modules took 0.1s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 190 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 113 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 77 mSDtfsCounter, 129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital204 mio100 ax110 hnf100 lsp84 ukn78 mio100 lsp49 div170 bol100 ite100 ukn100 eq162 hnf92 smp73 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 53ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 19:34:57,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-18 19:34:58,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83d8072c-0cb3-4ae0-ac42-c3a2e6ec0bba/bin/uautomizer-TMbwUNV5ro/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