./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrlen-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 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_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrlen-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a --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 2b1ee78e0ef345a64f8c7caca77413516ce68186d78e333a5564d6417b0fa920 --- 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-b5237d8 [2022-11-21 16:48:41,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:48:41,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:48:41,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:48:41,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:48:41,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:48:41,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:48:41,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:48:41,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:48:41,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:48:41,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:48:41,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:48:41,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:48:41,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:48:41,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:48:41,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:48:41,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:48:41,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:48:41,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:48:41,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:48:41,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:48:41,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:48:41,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:48:41,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:48:41,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:48:41,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:48:41,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:48:41,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:48:41,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:48:41,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:48:41,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:48:41,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:48:41,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:48:41,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:48:41,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:48:41,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:48:41,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:48:41,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:48:41,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:48:41,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:48:41,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:48:41,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-21 16:48:41,900 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:48:41,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:48:41,901 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:48:41,901 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:48:41,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:48:41,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:48:41,903 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:48:41,904 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 16:48:41,904 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 16:48:41,904 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 16:48:41,904 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 16:48:41,905 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 16:48:41,905 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 16:48:41,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:48:41,906 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:48:41,906 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:48:41,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:48:41,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:48:41,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:48:41,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 16:48:41,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 16:48:41,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 16:48:41,908 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:48:41,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:48:41,908 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 16:48:41,909 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:48:41,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 16:48:41,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:48:41,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:48:41,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:48:41,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:48:41,911 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 16:48:41,912 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_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b1ee78e0ef345a64f8c7caca77413516ce68186d78e333a5564d6417b0fa920 [2022-11-21 16:48:42,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:48:42,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:48:42,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:48:42,360 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:48:42,360 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:48:42,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/array-memsafety/cstrlen-alloca-2.i [2022-11-21 16:48:45,920 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:48:46,210 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:48:46,227 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/sv-benchmarks/c/array-memsafety/cstrlen-alloca-2.i [2022-11-21 16:48:46,249 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/data/d40ab43c1/658f823ea0de43e88829672a509fb978/FLAG0e8c6c8f2 [2022-11-21 16:48:46,278 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/data/d40ab43c1/658f823ea0de43e88829672a509fb978 [2022-11-21 16:48:46,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:48:46,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:48:46,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:48:46,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:48:46,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:48:46,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:46,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3022b2a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46, skipping insertion in model container [2022-11-21 16:48:46,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:46,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:48:46,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:48:46,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:48:46,785 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:48:46,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:48:46,878 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:48:46,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46 WrapperNode [2022-11-21 16:48:46,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:48:46,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:48:46,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:48:46,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:48:46,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:46,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:46,936 INFO L138 Inliner]: procedures = 117, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2022-11-21 16:48:46,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:48:46,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:48:46,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:48:46,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:48:46,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:46,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:46,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:46,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:46,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:46,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:46,975 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:46,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:46,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:48:46,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:48:46,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:48:46,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:48:46,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (1/1) ... [2022-11-21 16:48:46,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:47,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:47,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:47,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 16:48:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:48:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:48:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:48:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:48:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:48:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:48:47,217 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:48:47,220 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:48:47,465 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:48:47,473 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:48:47,479 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 16:48:47,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:48:47 BoogieIcfgContainer [2022-11-21 16:48:47,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:48:47,484 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 16:48:47,485 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 16:48:47,490 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 16:48:47,491 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:48:47,492 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 04:48:46" (1/3) ... [2022-11-21 16:48:47,495 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a933e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:48:47, skipping insertion in model container [2022-11-21 16:48:47,495 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:48:47,495 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:46" (2/3) ... [2022-11-21 16:48:47,497 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a933e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:48:47, skipping insertion in model container [2022-11-21 16:48:47,497 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:48:47,497 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:48:47" (3/3) ... [2022-11-21 16:48:47,511 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrlen-alloca-2.i [2022-11-21 16:48:47,604 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 16:48:47,604 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 16:48:47,605 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 16:48:47,605 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 16:48:47,605 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 16:48:47,605 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 16:48:47,605 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 16:48:47,606 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 16:48:47,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:48:47,639 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-21 16:48:47,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:48:47,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:48:47,646 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-21 16:48:47,646 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 16:48:47,646 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 16:48:47,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:48:47,649 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-21 16:48:47,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:48:47,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:48:47,650 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-21 16:48:47,651 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 16:48:47,660 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_~i~0#1, main_#t~ret8#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 14#L522true assume !(main_~length1~0#1 < 1); 11#L522-2true call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;main_~i~0#1 := 0; 9#L527-3true [2022-11-21 16:48:47,661 INFO L750 eck$LassoCheckResult]: Loop: 9#L527-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet7#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet7#1; 12#L527-2true main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9#L527-3true [2022-11-21 16:48:47,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:48:47,674 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-11-21 16:48:47,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:48:47,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081903957] [2022-11-21 16:48:47,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:48:47,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:48:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:47,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:48:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:47,858 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:48:47,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:48:47,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-11-21 16:48:47,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:48:47,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980986417] [2022-11-21 16:48:47,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:48:47,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:48:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:47,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:48:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:47,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:48:47,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:48:47,895 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-11-21 16:48:47,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:48:47,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456283919] [2022-11-21 16:48:47,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:48:47,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:48:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:47,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:48:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:48,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:48:48,513 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:48:48,513 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:48:48,514 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:48:48,514 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:48:48,514 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 16:48:48,514 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:48,514 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:48:48,515 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:48:48,515 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrlen-alloca-2.i_Iteration1_Lasso [2022-11-21 16:48:48,515 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:48:48,515 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:48:48,559 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:48,864 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:48,870 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:48,876 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:48,882 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:48,886 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:48,893 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:48,897 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:48,903 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:48,908 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:49,346 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:48:49,354 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 16:48:49,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:49,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:49,367 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:49,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-21 16:48:49,381 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 [2022-11-21 16:48:49,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:49,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:48:49,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:49,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:49,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:49,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:48:49,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:48:49,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:48:49,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:49,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:49,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:49,433 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:49,440 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 [2022-11-21 16:48:49,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-21 16:48:49,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:49,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:49,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:49,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:49,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:48:49,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:48:49,526 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 16:48:49,586 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-21 16:48:49,586 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-21 16:48:49,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:49,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:49,630 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:49,691 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 16:48:49,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-21 16:48:49,724 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 16:48:49,725 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 16:48:49,726 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 [] [2022-11-21 16:48:49,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:49,764 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-11-21 16:48:49,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:48:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:49,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:48:49,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:48:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:49,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:48:49,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:48:49,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:48:49,906 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 [2022-11-21 16:48:49,909 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:48:49,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-21 16:48:50,027 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 42 transitions. Complement of second has 7 states. [2022-11-21 16:48:50,033 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 [2022-11-21 16:48:50,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:48:50,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2022-11-21 16:48:50,045 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-21 16:48:50,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:48:50,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-21 16:48:50,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:48:50,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-21 16:48:50,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:48:50,049 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2022-11-21 16:48:50,055 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 16:48:50,059 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 10 states and 13 transitions. [2022-11-21 16:48:50,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-11-21 16:48:50,061 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-11-21 16:48:50,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2022-11-21 16:48:50,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:48:50,062 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-21 16:48:50,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2022-11-21 16:48:50,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-21 16:48:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 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) [2022-11-21 16:48:50,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2022-11-21 16:48:50,095 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-21 16:48:50,095 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-21 16:48:50,096 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 16:48:50,096 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2022-11-21 16:48:50,098 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 16:48:50,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:48:50,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:48:50,099 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-21 16:48:50,100 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 16:48:50,100 INFO L748 eck$LassoCheckResult]: Stem: 104#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 105#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_~i~0#1, main_#t~ret8#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 111#L522 assume !(main_~length1~0#1 < 1); 106#L522-2 call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;main_~i~0#1 := 0; 107#L527-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 110#L527-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrlen } true;cstrlen_#in~s#1.base, cstrlen_#in~s#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~post3#1.base, cstrlen_#t~post3#1.offset, cstrlen_#t~mem2#1, cstrlen_~s#1.base, cstrlen_~s#1.offset, cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~s#1.base, cstrlen_~s#1.offset := cstrlen_#in~s#1.base, cstrlen_#in~s#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_~s#1.base, cstrlen_~s#1.offset; 103#L516-3 [2022-11-21 16:48:50,101 INFO L750 eck$LassoCheckResult]: Loop: 103#L516-3 call cstrlen_#t~mem2#1 := read~int(cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset, 1); 102#L516-1 assume !!(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1;cstrlen_#t~post3#1.base, cstrlen_#t~post3#1.offset := cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_#t~post3#1.base, 1 + cstrlen_#t~post3#1.offset;havoc cstrlen_#t~post3#1.base, cstrlen_#t~post3#1.offset; 103#L516-3 [2022-11-21 16:48:50,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:48:50,106 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2022-11-21 16:48:50,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:48:50,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595846380] [2022-11-21 16:48:50,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:48:50,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:48:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:50,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:48:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:50,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:48:50,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:48:50,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 1 times [2022-11-21 16:48:50,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:48:50,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197205726] [2022-11-21 16:48:50,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:48:50,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:48:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:50,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:48:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:50,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:48:50,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:48:50,187 INFO L85 PathProgramCache]: Analyzing trace with hash 176738514, now seen corresponding path program 1 times [2022-11-21 16:48:50,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:48:50,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747173268] [2022-11-21 16:48:50,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:48:50,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:48:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:50,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:48:50,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:48:50,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747173268] [2022-11-21 16:48:50,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747173268] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:48:50,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:48:50,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:48:50,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859560127] [2022-11-21 16:48:50,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:48:50,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:48:50,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:48:50,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:48:50,711 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:48:50,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:48:50,846 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2022-11-21 16:48:50,847 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2022-11-21 16:48:50,848 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 16:48:50,848 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 11 states and 13 transitions. [2022-11-21 16:48:50,848 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-11-21 16:48:50,848 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-11-21 16:48:50,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2022-11-21 16:48:50,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:48:50,849 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-11-21 16:48:50,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2022-11-21 16:48:50,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2022-11-21 16:48:50,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 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) [2022-11-21 16:48:50,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2022-11-21 16:48:50,851 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-11-21 16:48:50,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:48:50,852 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-11-21 16:48:50,853 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-21 16:48:50,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2022-11-21 16:48:50,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 16:48:50,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:48:50,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:48:50,854 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:48:50,854 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 16:48:50,855 INFO L748 eck$LassoCheckResult]: Stem: 146#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 147#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_~i~0#1, main_#t~ret8#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 153#L522 assume !(main_~length1~0#1 < 1); 148#L522-2 call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;main_~i~0#1 := 0; 149#L527-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet7#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet7#1; 150#L527-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 151#L527-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 152#L527-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrlen } true;cstrlen_#in~s#1.base, cstrlen_#in~s#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~post3#1.base, cstrlen_#t~post3#1.offset, cstrlen_#t~mem2#1, cstrlen_~s#1.base, cstrlen_~s#1.offset, cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~s#1.base, cstrlen_~s#1.offset := cstrlen_#in~s#1.base, cstrlen_#in~s#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_~s#1.base, cstrlen_~s#1.offset; 145#L516-3 [2022-11-21 16:48:50,855 INFO L750 eck$LassoCheckResult]: Loop: 145#L516-3 call cstrlen_#t~mem2#1 := read~int(cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset, 1); 144#L516-1 assume !!(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1;cstrlen_#t~post3#1.base, cstrlen_#t~post3#1.offset := cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_#t~post3#1.base, 1 + cstrlen_#t~post3#1.offset;havoc cstrlen_#t~post3#1.base, cstrlen_#t~post3#1.offset; 145#L516-3 [2022-11-21 16:48:50,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:48:50,855 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2022-11-21 16:48:50,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:48:50,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575872582] [2022-11-21 16:48:50,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:48:50,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:48:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:50,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:48:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:50,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:48:50,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:48:50,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 2 times [2022-11-21 16:48:50,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:48:50,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938166187] [2022-11-21 16:48:50,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:48:50,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:48:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:50,895 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:48:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:50,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:48:50,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:48:50,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1899811660, now seen corresponding path program 1 times [2022-11-21 16:48:50,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:48:50,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887847952] [2022-11-21 16:48:50,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:48:50,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:48:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:50,922 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:48:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:50,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:48:51,466 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:48:51,466 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:48:51,466 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:48:51,466 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:48:51,467 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 16:48:51,467 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:51,467 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:48:51,467 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:48:51,467 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrlen-alloca-2.i_Iteration3_Lasso [2022-11-21 16:48:51,468 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:48:51,468 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:48:51,472 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:51,477 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:51,480 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:51,483 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:51,488 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:51,492 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:51,497 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:51,500 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:51,504 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:51,508 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:51,511 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:51,515 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:51,519 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:51,522 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:51,527 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:52,513 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:48:52,513 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 16:48:52,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:52,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:52,523 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:52,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:48:52,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-21 16:48:52,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:52,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:52,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:52,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:52,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:48:52,553 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:48:52,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:48:52,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:52,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:52,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:52,577 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:52,587 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 [2022-11-21 16:48:52,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-21 16:48:52,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:52,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:48:52,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:52,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:52,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:52,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:48:52,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:48:52,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:48:52,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:52,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:52,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:52,633 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:52,644 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 [2022-11-21 16:48:52,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-21 16:48:52,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:52,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:48:52,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:52,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:52,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:52,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:48:52,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:48:52,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:48:52,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:52,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:52,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:52,699 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:52,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-21 16:48:52,703 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 [2022-11-21 16:48:52,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:52,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:52,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:52,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:52,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:48:52,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:48:52,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:48:52,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:52,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:52,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:52,750 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:52,761 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 [2022-11-21 16:48:52,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-21 16:48:52,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:52,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:48:52,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:52,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:52,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:52,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:48:52,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:48:52,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:48:52,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:52,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:52,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:52,805 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:52,821 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 [2022-11-21 16:48:52,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-21 16:48:52,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:52,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:52,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:52,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:52,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:48:52,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:48:52,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:48:52,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:52,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:52,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:52,892 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:52,903 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 [2022-11-21 16:48:52,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-21 16:48:52,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:52,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:48:52,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:52,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:52,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:52,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:48:52,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:48:52,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:48:52,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:52,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:52,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:52,941 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:52,945 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 [2022-11-21 16:48:52,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:52,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:48:52,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:52,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:52,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:52,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:48:52,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:48:52,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-21 16:48:52,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:48:52,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:52,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:52,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:52,985 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:52,996 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 [2022-11-21 16:48:53,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-21 16:48:53,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:53,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:48:53,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:53,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:53,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:53,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:48:53,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:48:53,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:48:53,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:53,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:53,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:53,034 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:53,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:48:53,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-21 16:48:53,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:53,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:48:53,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:53,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:53,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:53,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:48:53,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:48:53,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:48:53,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:53,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:53,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:53,082 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:53,093 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 [2022-11-21 16:48:53,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:53,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:48:53,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:53,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-21 16:48:53,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:53,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:53,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:48:53,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:48:53,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:48:53,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:53,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:53,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:53,135 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:53,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-21 16:48:53,159 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 [2022-11-21 16:48:53,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:53,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:53,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:53,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:53,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:48:53,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:48:53,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:48:53,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:53,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:53,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:53,202 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:53,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-21 16:48:53,213 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 [2022-11-21 16:48:53,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:53,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:48:53,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:53,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:53,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:53,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:48:53,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:48:53,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:48:53,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:53,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:53,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:53,253 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:53,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-21 16:48:53,264 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 [2022-11-21 16:48:53,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:53,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:53,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:53,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:53,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:48:53,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:48:53,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:48:53,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:53,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:53,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:53,309 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:53,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-21 16:48:53,315 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 [2022-11-21 16:48:53,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:53,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:53,332 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:48:53,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:53,340 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-21 16:48:53,341 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-21 16:48:53,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:48:53,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:53,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:53,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:53,379 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:53,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-21 16:48:53,395 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 [2022-11-21 16:48:53,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:53,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:53,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:53,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:53,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:48:53,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:48:53,451 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 16:48:53,486 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-21 16:48:53,486 INFO L444 ModelExtractionUtils]: 21 out of 31 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-21 16:48:53,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:53,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:53,488 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:53,495 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 16:48:53,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-21 16:48:53,534 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 16:48:53,534 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 16:48:53,534 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc5#1.base)_2, ULTIMATE.start_cstrlen_~p~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc5#1.base)_2 - 1*ULTIMATE.start_cstrlen_~p~0#1.offset Supporting invariants [] [2022-11-21 16:48:53,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:53,565 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2022-11-21 16:48:53,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:48:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:53,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 16:48:53,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:48:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:53,702 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 16:48:53,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:48:53,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:48:53,731 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-21 16:48:53,732 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-11-21 16:48:53,784 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 12 states and 15 transitions. Complement of second has 5 states. [2022-11-21 16:48:53,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 16:48:53,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-11-21 16:48:53,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2022-11-21 16:48:53,786 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-21 16:48:53,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:48:53,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2022-11-21 16:48:53,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:48:53,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 8 letters. Loop has 4 letters. [2022-11-21 16:48:53,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:48:53,788 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2022-11-21 16:48:53,788 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 16:48:53,789 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2022-11-21 16:48:53,789 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-21 16:48:53,789 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-21 16:48:53,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-21 16:48:53,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:48:53,790 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:48:53,790 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:48:53,790 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:48:53,790 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-21 16:48:53,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-21 16:48:53,790 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 16:48:53,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-21 16:48:53,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 04:48:53 BoogieIcfgContainer [2022-11-21 16:48:53,801 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 16:48:53,801 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:48:53,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:48:53,802 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:48:53,802 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:48:47" (3/4) ... [2022-11-21 16:48:53,806 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:48:53,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:48:53,808 INFO L158 Benchmark]: Toolchain (without parser) took 7518.02ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 98.1MB in the beginning and 122.8MB in the end (delta: -24.8MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2022-11-21 16:48:53,808 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 134.2MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:48:53,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.39ms. Allocated memory is still 134.2MB. Free memory was 97.6MB in the beginning and 82.1MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 16:48:53,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.96ms. Allocated memory is still 134.2MB. Free memory was 82.1MB in the beginning and 80.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:48:53,810 INFO L158 Benchmark]: Boogie Preprocessor took 40.73ms. Allocated memory is still 134.2MB. Free memory was 80.4MB in the beginning and 78.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:48:53,811 INFO L158 Benchmark]: RCFGBuilder took 503.04ms. Allocated memory is still 134.2MB. Free memory was 78.8MB in the beginning and 68.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 16:48:53,811 INFO L158 Benchmark]: BuchiAutomizer took 6316.21ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 68.3MB in the beginning and 122.8MB in the end (delta: -54.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:48:53,812 INFO L158 Benchmark]: Witness Printer took 5.33ms. Allocated memory is still 184.5MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:48:53,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 134.2MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.39ms. Allocated memory is still 134.2MB. Free memory was 97.6MB in the beginning and 82.1MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.96ms. Allocated memory is still 134.2MB. Free memory was 82.1MB in the beginning and 80.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.73ms. Allocated memory is still 134.2MB. Free memory was 80.4MB in the beginning and 78.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.04ms. Allocated memory is still 134.2MB. Free memory was 78.8MB in the beginning and 68.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 6316.21ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 68.3MB in the beginning and 122.8MB in the end (delta: -54.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.33ms. Allocated memory is still 184.5MB. Free memory is still 122.8MB. 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 3 terminating modules (1 trivial, 2 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[__builtin_alloca (length1 * sizeof(char))] + -1 * p and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 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, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 24 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital111 mio100 ax116 hnf100 lsp81 ukn94 mio100 lsp56 div163 bol100 ite100 ukn100 eq161 hnf92 smp75 dnf100 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 58ms VariablesStem: 3 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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! [2022-11-21 16:48:53,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:54,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35592b29-2621-4172-a72d-f13b5b24dddc/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE