./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/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_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/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_9d96eae6-506b-45d0-845d-65fef153ae84/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 45a8f33f173b19ce98ca13bb7c3a70605cebce85501309e729b51c966620adf7 --- 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 17:14:59,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:14:59,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:14:59,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:14:59,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:14:59,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:14:59,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:14:59,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:14:59,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:14:59,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:14:59,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:14:59,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:14:59,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:14:59,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:14:59,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:14:59,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:14:59,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:14:59,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:14:59,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:14:59,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:14:59,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:14:59,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:14:59,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:14:59,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:14:59,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:14:59,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:14:59,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:14:59,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:14:59,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:14:59,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:14:59,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:14:59,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:14:59,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:14:59,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:14:59,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:14:59,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:14:59,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:14:59,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:14:59,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:14:59,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:14:59,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:14:59,985 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-21 17:15:00,031 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:15:00,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:15:00,033 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:15:00,034 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:15:00,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:15:00,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:15:00,036 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:15:00,037 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 17:15:00,037 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 17:15:00,037 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 17:15:00,038 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 17:15:00,039 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 17:15:00,039 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 17:15:00,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:15:00,040 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:15:00,040 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:15:00,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:15:00,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:15:00,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:15:00,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 17:15:00,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 17:15:00,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 17:15:00,042 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:15:00,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:15:00,042 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 17:15:00,042 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:15:00,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 17:15:00,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:15:00,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:15:00,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:15:00,044 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:15:00,046 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 17:15:00,046 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_9d96eae6-506b-45d0-845d-65fef153ae84/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45a8f33f173b19ce98ca13bb7c3a70605cebce85501309e729b51c966620adf7 [2022-11-21 17:15:00,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:15:00,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:15:00,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:15:00,387 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:15:00,388 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:15:00,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i [2022-11-21 17:15:03,356 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:15:03,630 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:15:03,630 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i [2022-11-21 17:15:03,645 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/data/f15aa9290/bc53d9c25cac463e894c37753ff6576f/FLAG656fb5cef [2022-11-21 17:15:03,661 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/data/f15aa9290/bc53d9c25cac463e894c37753ff6576f [2022-11-21 17:15:03,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:15:03,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:15:03,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:15:03,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:15:03,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:15:03,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:15:03" (1/1) ... [2022-11-21 17:15:03,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c96a52f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:03, skipping insertion in model container [2022-11-21 17:15:03,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:15:03" (1/1) ... [2022-11-21 17:15:03,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:15:03,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:15:04,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:15:04,149 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:15:04,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:15:04,242 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:15:04,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:04 WrapperNode [2022-11-21 17:15:04,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:15:04,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:15:04,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:15:04,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:15:04,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:04" (1/1) ... [2022-11-21 17:15:04,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:04" (1/1) ... [2022-11-21 17:15:04,327 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2022-11-21 17:15:04,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:15:04,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:15:04,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:15:04,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:15:04,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:04" (1/1) ... [2022-11-21 17:15:04,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:04" (1/1) ... [2022-11-21 17:15:04,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:04" (1/1) ... [2022-11-21 17:15:04,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:04" (1/1) ... [2022-11-21 17:15:04,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:04" (1/1) ... [2022-11-21 17:15:04,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:04" (1/1) ... [2022-11-21 17:15:04,381 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:04" (1/1) ... [2022-11-21 17:15:04,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:04" (1/1) ... [2022-11-21 17:15:04,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:15:04,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:15:04,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:15:04,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:15:04,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:04" (1/1) ... [2022-11-21 17:15:04,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:04,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:04,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:04,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 17:15:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:15:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:15:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:15:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:15:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:15:04,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:15:04,650 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:15:04,652 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:15:04,969 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:15:04,982 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:15:04,983 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 17:15:04,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:15:04 BoogieIcfgContainer [2022-11-21 17:15:04,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:15:04,988 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 17:15:04,989 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 17:15:04,993 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 17:15:04,994 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 17:15:04,994 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 05:15:03" (1/3) ... [2022-11-21 17:15:04,996 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22d6fc03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 05:15:04, skipping insertion in model container [2022-11-21 17:15:04,996 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 17:15:04,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:15:04" (2/3) ... [2022-11-21 17:15:04,998 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22d6fc03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 05:15:04, skipping insertion in model container [2022-11-21 17:15:04,999 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 17:15:04,999 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:15:04" (3/3) ... [2022-11-21 17:15:05,004 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrspn-alloca-1.i [2022-11-21 17:15:05,076 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 17:15:05,076 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 17:15:05,076 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 17:15:05,077 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 17:15:05,077 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 17:15:05,077 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 17:15:05,077 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 17:15:05,077 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 17:15:05,082 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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 17:15:05,104 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2022-11-21 17:15:05,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 17:15:05,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 17:15:05,110 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-21 17:15:05,111 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 17:15:05,111 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 17:15:05,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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 17:15:05,117 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2022-11-21 17:15:05,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 17:15:05,117 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 17:15:05,118 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-21 17:15:05,118 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 17:15:05,126 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 10#L532true assume !(main_~length1~0#1 < 1); 5#L532-2true assume !(main_~length2~0#1 < 1); 2#L535-1true call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 19#L541-3true [2022-11-21 17:15:05,127 INFO L750 eck$LassoCheckResult]: Loop: 19#L541-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 24#L541-2true main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 19#L541-3true [2022-11-21 17:15:05,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:05,139 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-11-21 17:15:05,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:05,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875655430] [2022-11-21 17:15:05,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:05,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:05,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:05,346 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:05,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:05,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2022-11-21 17:15:05,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:05,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378484601] [2022-11-21 17:15:05,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:05,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:05,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:05,383 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:05,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:05,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2022-11-21 17:15:05,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:05,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375074531] [2022-11-21 17:15:05,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:05,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:05,459 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:05,479 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:05,988 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 17:15:05,989 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 17:15:05,989 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 17:15:05,989 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 17:15:05,990 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 17:15:05,990 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:05,990 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 17:15:05,990 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 17:15:05,990 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn-alloca-1.i_Iteration1_Lasso [2022-11-21 17:15:05,990 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 17:15:05,991 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 17:15:06,017 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 17:15:06,326 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 17:15:06,330 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 17:15:06,342 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 17:15:06,346 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 17:15:06,349 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 17:15:06,353 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 17:15:06,356 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 17:15:06,367 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 17:15:06,371 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 17:15:06,375 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 17:15:06,378 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 17:15:06,383 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 17:15:06,386 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 17:15:06,390 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 17:15:06,872 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 17:15:06,877 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 17:15:06,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:06,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:06,883 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:06,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-21 17:15:06,892 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 17:15:06,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:06,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:06,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:06,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:06,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:06,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:06,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:06,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:06,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:06,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:06,952 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:06,964 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 17:15:06,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-21 17:15:06,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:06,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:06,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:06,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:06,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:06,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:06,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:07,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:07,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:07,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:07,005 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:07,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-21 17:15:07,032 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 17:15:07,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:07,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:07,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:07,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:07,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:07,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:07,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:07,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:07,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:07,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:07,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:07,067 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:07,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-21 17:15:07,070 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 17:15:07,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:07,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:07,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:07,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:07,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:07,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:07,120 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 17:15:07,149 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-21 17:15:07,149 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-11-21 17:15:07,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:07,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:07,194 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:07,200 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 17:15:07,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-21 17:15:07,219 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 17:15:07,219 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 17:15:07,220 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 17:15:07,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-21 17:15:07,257 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-21 17:15:07,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:07,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:15:07,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:15:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:07,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 17:15:07,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:15:07,375 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 17:15:07,421 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 17:15:07,424 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:15:07,486 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 87 transitions. Complement of second has 7 states. [2022-11-21 17:15:07,488 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 17:15:07,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:15:07,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 59 transitions. [2022-11-21 17:15:07,495 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 59 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-21 17:15:07,496 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:15:07,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 59 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-21 17:15:07,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:15:07,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 59 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-21 17:15:07,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:15:07,498 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 87 transitions. [2022-11-21 17:15:07,501 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-11-21 17:15:07,505 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 20 states and 27 transitions. [2022-11-21 17:15:07,506 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-21 17:15:07,507 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-21 17:15:07,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2022-11-21 17:15:07,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:15:07,508 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-11-21 17:15:07,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2022-11-21 17:15:07,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-21 17:15:07,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.35) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:15:07,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2022-11-21 17:15:07,536 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-11-21 17:15:07,537 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-11-21 17:15:07,537 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 17:15:07,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2022-11-21 17:15:07,538 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-11-21 17:15:07,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 17:15:07,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 17:15:07,539 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:15:07,539 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 17:15:07,539 INFO L748 eck$LassoCheckResult]: Stem: 157#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 158#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 165#L532 assume !(main_~length1~0#1 < 1); 159#L532-2 assume !(main_~length2~0#1 < 1); 155#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 156#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 166#L541-4 main_~i~1#1 := 0; 162#L546-3 [2022-11-21 17:15:07,539 INFO L750 eck$LassoCheckResult]: Loop: 162#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 164#L546-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 162#L546-3 [2022-11-21 17:15:07,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:07,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2022-11-21 17:15:07,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:07,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971036728] [2022-11-21 17:15:07,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:07,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:07,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:07,568 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:07,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:07,569 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2022-11-21 17:15:07,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:07,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141133000] [2022-11-21 17:15:07,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:07,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:07,576 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:07,582 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:07,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:07,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2022-11-21 17:15:07,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:07,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008290617] [2022-11-21 17:15:07,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:07,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:07,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:07,619 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:08,052 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 17:15:08,053 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 17:15:08,053 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 17:15:08,053 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 17:15:08,053 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 17:15:08,053 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:08,053 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 17:15:08,053 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 17:15:08,053 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn-alloca-1.i_Iteration2_Lasso [2022-11-21 17:15:08,053 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 17:15:08,054 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 17:15:08,056 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 17:15:08,063 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 17:15:08,070 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 17:15:08,074 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 17:15:08,081 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 17:15:08,086 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 17:15:08,089 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 17:15:08,093 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 17:15:08,096 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 17:15:08,100 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 17:15:08,334 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 17:15:08,339 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 17:15:08,341 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 17:15:08,354 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 17:15:08,762 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 17:15:08,762 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 17:15:08,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:08,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:08,771 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:08,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:08,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 17:15:08,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-21 17:15:08,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:08,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:08,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:08,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:08,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:08,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:08,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:08,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:08,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:08,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:08,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:08,824 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:08,832 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 17:15:08,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:08,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:08,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:08,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:08,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:08,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:08,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:08,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-21 17:15:08,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:08,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:08,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:08,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:08,874 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:08,878 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 17:15:08,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:08,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:08,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:08,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:08,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:08,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:08,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:08,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-21 17:15:08,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:08,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:08,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:08,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:08,922 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:08,931 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 17:15:08,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:08,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:08,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:08,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:08,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-21 17:15:08,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:08,948 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:08,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:08,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:08,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:08,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:08,977 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:08,986 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 17:15:08,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:08,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:08,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:08,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:09,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:09,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:09,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-21 17:15:09,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:09,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:09,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:09,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:09,020 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:09,024 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 17:15:09,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-21 17:15:09,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:09,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:09,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:09,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:09,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:09,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:09,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:09,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:09,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:09,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:09,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:09,058 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:09,064 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 17:15:09,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:09,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:09,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:09,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:09,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:09,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:09,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-21 17:15:09,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:09,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:09,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:09,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:09,100 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:09,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-21 17:15:09,124 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 17:15:09,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:09,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:09,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:09,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:09,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:09,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:09,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:09,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:09,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:09,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:09,165 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:09,169 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 17:15:09,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:09,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:09,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:09,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:09,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:09,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:09,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:09,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-21 17:15:09,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:09,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:09,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:09,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:09,197 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:09,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-21 17:15:09,201 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 17:15:09,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:09,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:09,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:09,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:09,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:09,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:09,243 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 17:15:09,271 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-21 17:15:09,271 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-21 17:15:09,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:09,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:09,273 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:09,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-21 17:15:09,282 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 17:15:09,300 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 17:15:09,300 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 17:15:09,301 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~length2~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~length2~0#1 Supporting invariants [] [2022-11-21 17:15:09,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:09,339 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-21 17:15:09,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:09,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:15:09,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:15:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:09,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 17:15:09,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:15:09,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:15:09,403 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 17:15:09,404 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 27 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:15:09,424 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 27 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 44 transitions. Complement of second has 6 states. [2022-11-21 17:15:09,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-21 17:15:09,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:15:09,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2022-11-21 17:15:09,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-21 17:15:09,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:15:09,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-21 17:15:09,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:15:09,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-21 17:15:09,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:15:09,427 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 44 transitions. [2022-11-21 17:15:09,428 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-21 17:15:09,429 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 21 states and 29 transitions. [2022-11-21 17:15:09,429 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-21 17:15:09,430 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-21 17:15:09,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 29 transitions. [2022-11-21 17:15:09,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:15:09,430 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 29 transitions. [2022-11-21 17:15:09,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 29 transitions. [2022-11-21 17:15:09,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-11-21 17:15:09,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:15:09,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 29 transitions. [2022-11-21 17:15:09,432 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 29 transitions. [2022-11-21 17:15:09,433 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2022-11-21 17:15:09,433 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-21 17:15:09,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 29 transitions. [2022-11-21 17:15:09,434 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-21 17:15:09,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 17:15:09,434 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 17:15:09,434 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:15:09,435 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:15:09,435 INFO L748 eck$LassoCheckResult]: Stem: 281#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 282#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 290#L532 assume !(main_~length1~0#1 < 1); 283#L532-2 assume !(main_~length2~0#1 < 1); 279#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 280#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 292#L541-4 main_~i~1#1 := 0; 286#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 287#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 291#L519-4 [2022-11-21 17:15:09,435 INFO L750 eck$LassoCheckResult]: Loop: 291#L519-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 298#L519-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 294#L522-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 299#L522-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 293#L522-3 assume !cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1; 284#L522-6 call cstrspn_#t~mem9#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 285#L524 assume !(cstrspn_#t~mem9#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem9#1; 295#L519-3 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset; 291#L519-4 [2022-11-21 17:15:09,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:09,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2022-11-21 17:15:09,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:09,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269739026] [2022-11-21 17:15:09,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:09,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:09,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:09,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:09,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:09,505 INFO L85 PathProgramCache]: Analyzing trace with hash -904885455, now seen corresponding path program 1 times [2022-11-21 17:15:09,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:09,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215107225] [2022-11-21 17:15:09,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:09,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:09,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:09,540 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:09,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:09,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1903570310, now seen corresponding path program 1 times [2022-11-21 17:15:09,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:09,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715329157] [2022-11-21 17:15:09,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:09,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:10,067 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 17:15:10,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:15:10,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715329157] [2022-11-21 17:15:10,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715329157] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:15:10,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:15:10,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 17:15:10,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981523600] [2022-11-21 17:15:10,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:15:10,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:10,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:15:10,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 17:15:10,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:15:10,407 INFO L87 Difference]: Start difference. First operand 21 states and 29 transitions. cyclomatic complexity: 11 Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:15:10,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:15:10,605 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2022-11-21 17:15:10,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2022-11-21 17:15:10,606 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2022-11-21 17:15:10,607 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 42 transitions. [2022-11-21 17:15:10,607 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2022-11-21 17:15:10,608 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2022-11-21 17:15:10,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 42 transitions. [2022-11-21 17:15:10,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:15:10,608 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-11-21 17:15:10,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 42 transitions. [2022-11-21 17:15:10,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2022-11-21 17:15:10,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 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 17:15:10,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2022-11-21 17:15:10,612 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 39 transitions. [2022-11-21 17:15:10,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 17:15:10,613 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 39 transitions. [2022-11-21 17:15:10,613 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-21 17:15:10,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 39 transitions. [2022-11-21 17:15:10,614 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2022-11-21 17:15:10,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 17:15:10,614 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 17:15:10,615 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:15:10,615 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:15:10,615 INFO L748 eck$LassoCheckResult]: Stem: 360#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 361#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 370#L532 assume !(main_~length1~0#1 < 1); 362#L532-2 assume !(main_~length2~0#1 < 1); 358#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 359#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 371#L541-4 main_~i~1#1 := 0; 365#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 366#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 372#L519-4 [2022-11-21 17:15:10,615 INFO L750 eck$LassoCheckResult]: Loop: 372#L519-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 377#L519-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 379#L522-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 378#L522-1 assume !cstrspn_#t~short7#1; 373#L522-3 assume !cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1; 363#L522-6 call cstrspn_#t~mem9#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 364#L524 assume !(cstrspn_#t~mem9#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem9#1; 374#L519-3 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset; 372#L519-4 [2022-11-21 17:15:10,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:10,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 2 times [2022-11-21 17:15:10,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:10,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650459002] [2022-11-21 17:15:10,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:10,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:10,631 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:10,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:10,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:10,643 INFO L85 PathProgramCache]: Analyzing trace with hash -903038413, now seen corresponding path program 1 times [2022-11-21 17:15:10,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:10,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444248857] [2022-11-21 17:15:10,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:10,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:10,708 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 17:15:10,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:15:10,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444248857] [2022-11-21 17:15:10,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444248857] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:15:10,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:15:10,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:15:10,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720993599] [2022-11-21 17:15:10,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:15:10,710 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 17:15:10,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:15:10,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:15:10,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:15:10,711 INFO L87 Difference]: Start difference. First operand 31 states and 39 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 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 17:15:10,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:15:10,799 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2022-11-21 17:15:10,800 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 40 transitions. [2022-11-21 17:15:10,801 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-21 17:15:10,801 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 23 states and 29 transitions. [2022-11-21 17:15:10,801 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-11-21 17:15:10,802 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-11-21 17:15:10,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 29 transitions. [2022-11-21 17:15:10,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:15:10,802 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 29 transitions. [2022-11-21 17:15:10,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 29 transitions. [2022-11-21 17:15:10,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2022-11-21 17:15:10,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:15:10,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2022-11-21 17:15:10,805 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-21 17:15:10,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 17:15:10,806 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-21 17:15:10,806 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-21 17:15:10,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 27 transitions. [2022-11-21 17:15:10,807 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-21 17:15:10,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 17:15:10,807 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 17:15:10,807 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:15:10,808 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:15:10,808 INFO L748 eck$LassoCheckResult]: Stem: 443#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 444#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 452#L532 assume !(main_~length1~0#1 < 1); 445#L532-2 assume !(main_~length2~0#1 < 1); 441#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 442#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 453#L541-4 main_~i~1#1 := 0; 448#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 449#L546-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 450#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 451#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 454#L519-4 [2022-11-21 17:15:10,808 INFO L750 eck$LassoCheckResult]: Loop: 454#L519-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 460#L519-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 456#L522-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 461#L522-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 455#L522-3 assume !cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1; 446#L522-6 call cstrspn_#t~mem9#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 447#L524 assume !(cstrspn_#t~mem9#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem9#1; 457#L519-3 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset; 454#L519-4 [2022-11-21 17:15:10,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:10,809 INFO L85 PathProgramCache]: Analyzing trace with hash -2087704584, now seen corresponding path program 1 times [2022-11-21 17:15:10,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:10,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037401852] [2022-11-21 17:15:10,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:10,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:10,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:10,835 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:10,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:10,836 INFO L85 PathProgramCache]: Analyzing trace with hash -904885455, now seen corresponding path program 2 times [2022-11-21 17:15:10,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:10,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745552972] [2022-11-21 17:15:10,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:10,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:10,844 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:10,851 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:10,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:10,852 INFO L85 PathProgramCache]: Analyzing trace with hash 949013544, now seen corresponding path program 1 times [2022-11-21 17:15:10,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:10,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973416398] [2022-11-21 17:15:10,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:10,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:11,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 17:15:11,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:15:11,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973416398] [2022-11-21 17:15:11,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973416398] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:15:11,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:15:11,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:15:11,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750268485] [2022-11-21 17:15:11,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:15:11,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:15:11,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:15:11,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:15:11,594 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:15:11,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:15:11,743 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2022-11-21 17:15:11,744 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 35 transitions. [2022-11-21 17:15:11,744 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-21 17:15:11,745 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 22 states and 27 transitions. [2022-11-21 17:15:11,745 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-21 17:15:11,745 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-21 17:15:11,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. [2022-11-21 17:15:11,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:15:11,745 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-21 17:15:11,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. [2022-11-21 17:15:11,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2022-11-21 17:15:11,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:15:11,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2022-11-21 17:15:11,747 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-11-21 17:15:11,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:15:11,749 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2022-11-21 17:15:11,749 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-21 17:15:11,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 26 transitions. [2022-11-21 17:15:11,750 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-21 17:15:11,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 17:15:11,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 17:15:11,751 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:15:11,751 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:15:11,751 INFO L748 eck$LassoCheckResult]: Stem: 511#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 512#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 520#L532 assume !(main_~length1~0#1 < 1); 513#L532-2 assume !(main_~length2~0#1 < 1); 509#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 510#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 526#L541-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 527#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 521#L541-4 main_~i~1#1 := 0; 516#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 517#L546-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 518#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 519#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 522#L519-4 [2022-11-21 17:15:11,752 INFO L750 eck$LassoCheckResult]: Loop: 522#L519-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 528#L519-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 524#L522-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 529#L522-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 523#L522-3 assume !cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1; 514#L522-6 call cstrspn_#t~mem9#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 515#L524 assume !(cstrspn_#t~mem9#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem9#1; 525#L519-3 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset; 522#L519-4 [2022-11-21 17:15:11,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:11,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1066016806, now seen corresponding path program 1 times [2022-11-21 17:15:11,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:11,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269618932] [2022-11-21 17:15:11,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:11,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:11,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:11,779 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:11,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:11,780 INFO L85 PathProgramCache]: Analyzing trace with hash -904885455, now seen corresponding path program 3 times [2022-11-21 17:15:11,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:11,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522350136] [2022-11-21 17:15:11,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:11,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:11,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:11,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:11,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:11,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1875279350, now seen corresponding path program 1 times [2022-11-21 17:15:11,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:11,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101355737] [2022-11-21 17:15:11,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:11,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:11,811 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:11,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:13,648 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 17:15:13,648 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 17:15:13,648 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 17:15:13,648 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 17:15:13,648 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 17:15:13,648 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:13,648 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 17:15:13,648 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 17:15:13,648 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn-alloca-1.i_Iteration6_Lasso [2022-11-21 17:15:13,649 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 17:15:13,649 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 17:15:13,654 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 17:15:13,660 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 17:15:13,662 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 17:15:13,665 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 17:15:13,668 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 17:15:13,670 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 17:15:13,673 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 17:15:13,676 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 17:15:13,679 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 17:15:13,681 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 17:15:13,684 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:15:13,686 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 17:15:13,688 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:15:13,691 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 17:15:13,694 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 17:15:13,696 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:15:13,699 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 17:15:13,702 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 17:15:13,705 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:15:14,761 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 17:15:14,764 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 17:15:14,766 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 17:15:14,769 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 17:15:14,773 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 17:15:14,775 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 17:15:15,819 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 17:15:15,819 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 17:15:15,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:15,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:15,824 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:15,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-21 17:15:15,833 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 17:15:15,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:15,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:15,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:15,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:15,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:15,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:15,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:15,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:15,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:15,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:15,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:15,866 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:15,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-21 17:15:15,872 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 17:15:15,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:15,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:15,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:15,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:15,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:15,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:15,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:15,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:15,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:15,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:15,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:15,899 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:15,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-21 17:15:15,906 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 17:15:15,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:15,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:15,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:15,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:15,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:15,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:15,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:15,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-11-21 17:15:15,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:15,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:15,933 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:15,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-21 17:15:15,937 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 17:15:15,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:15,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:15,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:15,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:15,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:15,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:15,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:15,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:15,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:15,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:15,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:15,970 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:15,973 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 17:15:15,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-21 17:15:15,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:15,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:15,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:15,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:15,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:15,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:15,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:15,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:15,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-11-21 17:15:15,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:15,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:15,990 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:15,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-21 17:15:15,993 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 17:15:16,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:16,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:16,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:16,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:16,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:16,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:16,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:16,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:16,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-11-21 17:15:16,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:16,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:16,025 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:16,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-21 17:15:16,028 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 17:15:16,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:16,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:16,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:16,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:16,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:16,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:16,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:16,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:16,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:16,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:16,048 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:16,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-21 17:15:16,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 17:15:16,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:16,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:16,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:16,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:16,070 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:16,070 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:16,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:16,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-21 17:15:16,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:16,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:16,079 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:16,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-21 17:15:16,082 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 17:15:16,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:16,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:16,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:16,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:16,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:16,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:16,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:16,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:16,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-21 17:15:16,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:16,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:16,099 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:16,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-21 17:15:16,102 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 17:15:16,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:16,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:16,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:16,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:16,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:16,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:16,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:16,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:16,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-11-21 17:15:16,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:16,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:16,119 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:16,122 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 17:15:16,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-21 17:15:16,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:16,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:16,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:16,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:16,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:16,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:16,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:16,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:16,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-21 17:15:16,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:16,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:16,141 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:16,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-21 17:15:16,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 17:15:16,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:16,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:16,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:16,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:16,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:16,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:16,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:16,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:16,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-21 17:15:16,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:16,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:16,162 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:16,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-21 17:15:16,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 17:15:16,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:16,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:16,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:16,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:16,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:16,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:16,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:16,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:16,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-21 17:15:16,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:16,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:16,181 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:16,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-21 17:15:16,184 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 17:15:16,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:16,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:16,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:16,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:16,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:16,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:16,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:16,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:16,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-21 17:15:16,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:16,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:16,202 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:16,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-21 17:15:16,204 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 17:15:16,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:16,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:16,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:16,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:16,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:16,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:16,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:16,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:16,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-21 17:15:16,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:16,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:16,224 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:16,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-21 17:15:16,227 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 17:15:16,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:16,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:16,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:16,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:16,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:16,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:16,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:16,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:16,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-21 17:15:16,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:16,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:16,250 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:16,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-21 17:15:16,253 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 17:15:16,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:16,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:16,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:16,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:16,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:16,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:16,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:16,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:16,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-21 17:15:16,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:16,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:16,271 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:16,276 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 17:15:16,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-21 17:15:16,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:16,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:16,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:16,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:16,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:16,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:16,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:16,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:16,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:16,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:16,297 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:16,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-21 17:15:16,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 17:15:16,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:16,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:16,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:16,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:16,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:16,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:16,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:16,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:16,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-21 17:15:16,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:16,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:16,317 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:16,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-21 17:15:16,320 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 17:15:16,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:16,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:16,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:16,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:16,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:16,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:16,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:16,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-11-21 17:15:16,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:16,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:16,339 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:16,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-21 17:15:16,343 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 17:15:16,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:16,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:16,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:16,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:16,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:16,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:16,411 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 17:15:16,443 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-21 17:15:16,443 INFO L444 ModelExtractionUtils]: 30 out of 58 variables were initially zero. Simplification set additionally 25 variables to zero. [2022-11-21 17:15:16,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:16,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:16,460 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:16,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-21 17:15:16,468 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 17:15:16,501 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 17:15:16,501 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 17:15:16,501 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrspn_~sc1~0#1.base)_1, ULTIMATE.start_cstrspn_~sc1~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrspn_~sc1~0#1.base)_1 - 1*ULTIMATE.start_cstrspn_~sc1~0#1.offset Supporting invariants [] [2022-11-21 17:15:16,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:16,615 INFO L156 tatePredicateManager]: 17 out of 17 supporting invariants were superfluous and have been removed [2022-11-21 17:15:16,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:16,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:15:16,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:15:16,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:16,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 17:15:16,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:15:16,775 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 17:15:16,776 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 17:15:16,776 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:15:16,806 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 36 transitions. Complement of second has 4 states. [2022-11-21 17:15:16,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 17:15:16,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:15:16,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2022-11-21 17:15:16,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 13 letters. Loop has 8 letters. [2022-11-21 17:15:16,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:15:16,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 21 letters. Loop has 8 letters. [2022-11-21 17:15:16,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:15:16,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 13 letters. Loop has 16 letters. [2022-11-21 17:15:16,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:15:16,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2022-11-21 17:15:16,810 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-21 17:15:16,810 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 26 states and 33 transitions. [2022-11-21 17:15:16,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-21 17:15:16,811 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-21 17:15:16,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 33 transitions. [2022-11-21 17:15:16,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 17:15:16,811 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-11-21 17:15:16,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 33 transitions. [2022-11-21 17:15:16,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-21 17:15:16,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:15:16,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2022-11-21 17:15:16,813 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-11-21 17:15:16,813 INFO L428 stractBuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-11-21 17:15:16,813 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-21 17:15:16,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 33 transitions. [2022-11-21 17:15:16,814 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-21 17:15:16,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 17:15:16,814 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 17:15:16,815 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:15:16,815 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 17:15:16,815 INFO L748 eck$LassoCheckResult]: Stem: 711#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 712#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 720#L532 assume !(main_~length1~0#1 < 1); 713#L532-2 assume !(main_~length2~0#1 < 1); 709#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 710#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 729#L541-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 730#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 721#L541-4 main_~i~1#1 := 0; 716#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 717#L546-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 718#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 719#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 722#L519-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 732#L519-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 726#L522-5 [2022-11-21 17:15:16,815 INFO L750 eck$LassoCheckResult]: Loop: 726#L522-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 733#L522-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 725#L522-3 assume !!cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1;cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post8#1.base, 1 + cstrspn_#t~post8#1.offset;havoc cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset; 726#L522-5 [2022-11-21 17:15:16,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:16,815 INFO L85 PathProgramCache]: Analyzing trace with hash 2055034687, now seen corresponding path program 1 times [2022-11-21 17:15:16,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:16,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152283496] [2022-11-21 17:15:16,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:16,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:16,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:16,849 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:16,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:16,859 INFO L85 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 1 times [2022-11-21 17:15:16,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:16,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906432495] [2022-11-21 17:15:16,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:16,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:16,864 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:16,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:16,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:16,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1074579938, now seen corresponding path program 1 times [2022-11-21 17:15:16,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:16,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581260733] [2022-11-21 17:15:16,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:16,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:16,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:16,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:19,301 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 17:15:19,301 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 17:15:19,301 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 17:15:19,301 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 17:15:19,301 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 17:15:19,302 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:19,302 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 17:15:19,302 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 17:15:19,302 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn-alloca-1.i_Iteration7_Lasso [2022-11-21 17:15:19,302 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 17:15:19,302 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 17:15:19,310 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 17:15:19,313 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 17:15:19,316 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 17:15:19,318 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 17:15:19,321 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 17:15:20,370 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 17:15:20,385 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 17:15:20,387 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 17:15:20,390 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 17:15:20,393 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:15:20,403 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 17:15:20,405 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 17:15:20,407 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 17:15:20,410 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 17:15:20,412 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 17:15:20,414 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:15:20,417 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:15:20,419 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 17:15:20,421 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:15:20,424 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 17:15:20,427 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 17:15:20,430 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 17:15:20,432 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 17:15:20,434 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 17:15:20,436 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 17:15:20,440 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 17:15:21,644 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 17:15:21,644 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 17:15:21,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:21,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:21,646 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:21,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-21 17:15:21,649 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 17:15:21,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:21,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:21,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:21,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:21,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:21,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:21,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:21,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:21,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-21 17:15:21,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:21,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:21,666 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:21,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-21 17:15:21,669 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 17:15:21,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:21,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:21,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:21,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:21,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:21,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:21,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:21,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:21,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:21,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:21,691 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:21,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-21 17:15:21,694 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 17:15:21,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:21,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:21,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:21,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:21,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:21,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:21,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:21,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:21,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-21 17:15:21,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:21,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:21,731 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:21,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-21 17:15:21,734 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 17:15:21,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:21,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:21,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:21,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:21,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:21,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:21,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:21,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:21,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-11-21 17:15:21,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:21,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:21,750 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:21,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 17:15:21,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-21 17:15:21,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:21,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:21,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:21,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:21,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:21,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:21,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:21,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-21 17:15:21,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:21,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:21,774 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:21,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-21 17:15:21,777 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 17:15:21,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:21,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:21,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:21,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:21,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:21,797 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:21,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:21,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-21 17:15:21,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:21,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:21,817 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:21,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-21 17:15:21,820 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 17:15:21,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:21,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:21,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:21,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:21,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:21,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:21,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:21,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-21 17:15:21,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:21,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:21,842 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:21,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-21 17:15:21,844 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 17:15:21,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:21,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:21,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:21,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:21,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:21,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:21,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:21,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:21,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:21,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:21,888 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:21,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-21 17:15:21,896 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 17:15:21,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:21,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:21,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:21,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:21,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:21,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:21,959 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 17:15:22,043 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2022-11-21 17:15:22,043 INFO L444 ModelExtractionUtils]: 17 out of 55 variables were initially zero. Simplification set additionally 35 variables to zero. [2022-11-21 17:15:22,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:22,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:22,048 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:22,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-21 17:15:22,051 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 17:15:22,062 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 17:15:22,062 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 17:15:22,062 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_4) = -1*ULTIMATE.start_cstrspn_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_4 Supporting invariants [] [2022-11-21 17:15:22,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-11-21 17:15:22,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:22,232 INFO L156 tatePredicateManager]: 25 out of 26 supporting invariants were superfluous and have been removed [2022-11-21 17:15:22,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:22,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 17:15:22,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:15:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:22,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 17:15:22,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:15:22,396 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 17:15:22,397 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-21 17:15:22,397 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 33 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 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 17:15:22,482 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 33 transitions. cyclomatic complexity: 11. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 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) Result 51 states and 61 transitions. Complement of second has 7 states. [2022-11-21 17:15:22,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 17:15:22,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 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 17:15:22,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2022-11-21 17:15:22,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-21 17:15:22,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:15:22,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 18 letters. Loop has 3 letters. [2022-11-21 17:15:22,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:15:22,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 15 letters. Loop has 6 letters. [2022-11-21 17:15:22,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:15:22,486 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 61 transitions. [2022-11-21 17:15:22,487 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-21 17:15:22,489 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 38 states and 46 transitions. [2022-11-21 17:15:22,490 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-21 17:15:22,490 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-21 17:15:22,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 46 transitions. [2022-11-21 17:15:22,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 17:15:22,490 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 46 transitions. [2022-11-21 17:15:22,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 46 transitions. [2022-11-21 17:15:22,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 32. [2022-11-21 17:15:22,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.21875) internal successors, (39), 31 states have internal predecessors, (39), 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 17:15:22,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2022-11-21 17:15:22,493 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 39 transitions. [2022-11-21 17:15:22,493 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2022-11-21 17:15:22,493 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-21 17:15:22,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 39 transitions. [2022-11-21 17:15:22,494 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-21 17:15:22,494 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 17:15:22,494 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 17:15:22,495 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:15:22,495 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 17:15:22,495 INFO L748 eck$LassoCheckResult]: Stem: 978#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 979#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 987#L532 assume !(main_~length1~0#1 < 1); 980#L532-2 assume !(main_~length2~0#1 < 1); 976#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 977#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 996#L541-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 997#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 988#L541-4 main_~i~1#1 := 0; 983#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 984#L546-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 985#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 986#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 989#L519-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 998#L519-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 993#L522-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 1007#L522-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 1005#L522-3 assume !cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1; 981#L522-6 call cstrspn_#t~mem9#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 982#L524 assume !(cstrspn_#t~mem9#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem9#1; 994#L519-3 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset; 995#L519-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 1000#L519-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 991#L522-5 [2022-11-21 17:15:22,495 INFO L750 eck$LassoCheckResult]: Loop: 991#L522-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 1001#L522-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 990#L522-3 assume !!cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1;cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post8#1.base, 1 + cstrspn_#t~post8#1.offset;havoc cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset; 991#L522-5 [2022-11-21 17:15:22,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:22,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1742810479, now seen corresponding path program 2 times [2022-11-21 17:15:22,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:22,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197359958] [2022-11-21 17:15:22,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:22,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:23,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 17:15:23,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:15:23,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197359958] [2022-11-21 17:15:23,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197359958] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:15:23,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072876416] [2022-11-21 17:15:23,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 17:15:23,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:15:23,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:23,110 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:15:23,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2022-11-21 17:15:23,213 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 17:15:23,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:15:23,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 46 conjunts are in the unsatisfiable core [2022-11-21 17:15:23,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:15:23,587 INFO L321 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2022-11-21 17:15:23,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 20 [2022-11-21 17:15:23,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-21 17:15:23,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:15:23,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:15:23,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2022-11-21 17:15:24,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:15:24,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072876416] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:15:24,121 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 17:15:24,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13, 11] total 27 [2022-11-21 17:15:24,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156277926] [2022-11-21 17:15:24,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 17:15:24,121 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 17:15:24,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:24,122 INFO L85 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 2 times [2022-11-21 17:15:24,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:24,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406935692] [2022-11-21 17:15:24,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:24,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:24,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:24,131 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:24,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:15:24,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-21 17:15:24,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=638, Unknown=0, NotChecked=0, Total=756 [2022-11-21 17:15:24,259 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. cyclomatic complexity: 12 Second operand has 28 states, 27 states have (on average 1.962962962962963) internal successors, (53), 28 states have internal predecessors, (53), 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 17:15:25,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:15:25,142 INFO L93 Difference]: Finished difference Result 70 states and 80 transitions. [2022-11-21 17:15:25,142 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 80 transitions. [2022-11-21 17:15:25,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-21 17:15:25,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 35 states and 42 transitions. [2022-11-21 17:15:25,144 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-21 17:15:25,144 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-21 17:15:25,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 42 transitions. [2022-11-21 17:15:25,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 17:15:25,144 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 42 transitions. [2022-11-21 17:15:25,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 42 transitions. [2022-11-21 17:15:25,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2022-11-21 17:15:25,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 33 states have internal predecessors, (41), 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 17:15:25,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2022-11-21 17:15:25,146 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 41 transitions. [2022-11-21 17:15:25,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-21 17:15:25,147 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 41 transitions. [2022-11-21 17:15:25,147 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-21 17:15:25,147 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 41 transitions. [2022-11-21 17:15:25,152 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-21 17:15:25,152 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 17:15:25,152 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 17:15:25,152 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:15:25,152 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 17:15:25,153 INFO L748 eck$LassoCheckResult]: Stem: 1271#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1272#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 1280#L532 assume !(main_~length1~0#1 < 1); 1273#L532-2 assume !(main_~length2~0#1 < 1); 1269#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 1270#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 1289#L541-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 1290#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 1291#L541-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 1300#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 1281#L541-4 main_~i~1#1 := 0; 1276#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 1277#L546-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 1278#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 1279#L546-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 1282#L519-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 1292#L519-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 1286#L522-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 1296#L522-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 1297#L522-3 assume !cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1; 1274#L522-6 call cstrspn_#t~mem9#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 1275#L524 assume !(cstrspn_#t~mem9#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem9#1; 1287#L519-3 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset; 1288#L519-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 1294#L519-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 1284#L522-5 [2022-11-21 17:15:25,153 INFO L750 eck$LassoCheckResult]: Loop: 1284#L522-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 1295#L522-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 1283#L522-3 assume !!cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1;cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post8#1.base, 1 + cstrspn_#t~post8#1.offset;havoc cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset; 1284#L522-5 [2022-11-21 17:15:25,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:25,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1365761455, now seen corresponding path program 3 times [2022-11-21 17:15:25,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:25,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413495640] [2022-11-21 17:15:25,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:25,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:25,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:25,230 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:25,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:25,236 INFO L85 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 3 times [2022-11-21 17:15:25,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:25,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078841203] [2022-11-21 17:15:25,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:25,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:25,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:25,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:25,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:25,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1174254192, now seen corresponding path program 1 times [2022-11-21 17:15:25,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:15:25,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927011910] [2022-11-21 17:15:25,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:15:25,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:15:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:25,294 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:15:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:15:25,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:15:29,907 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 17:15:29,908 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 17:15:29,908 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 17:15:29,908 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 17:15:29,908 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 17:15:29,908 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:29,908 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 17:15:29,908 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 17:15:29,908 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn-alloca-1.i_Iteration9_Lasso [2022-11-21 17:15:29,908 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 17:15:29,908 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 17:15:29,914 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 17:15:29,920 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 17:15:29,924 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 17:15:29,926 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 17:15:29,929 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 17:15:29,932 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 17:15:29,937 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 17:15:29,939 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 17:15:32,870 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 17:15:32,872 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 17:15:32,874 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 17:15:32,876 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 17:15:32,878 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 17:15:32,880 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 17:15:32,882 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 17:15:32,884 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 17:15:32,885 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 17:15:32,887 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 17:15:32,889 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 17:15:32,891 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 17:15:32,893 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 17:15:32,895 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 17:15:32,898 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 17:15:32,900 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 17:15:32,901 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 17:15:32,906 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 17:15:33,819 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-21 17:15:35,763 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 17:15:35,764 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 17:15:35,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:35,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:35,768 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:35,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-21 17:15:35,775 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 17:15:35,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:35,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:35,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:35,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:35,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:35,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:35,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:35,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:35,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:35,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:35,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:35,792 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:35,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-21 17:15:35,795 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 17:15:35,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:35,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:35,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:35,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:35,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:35,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:35,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:35,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:35,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:35,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:35,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:35,812 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:35,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-21 17:15:35,815 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 17:15:35,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:35,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:35,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:35,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:35,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:35,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:35,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:35,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:35,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:35,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:35,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:35,840 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:35,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-21 17:15:35,843 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 17:15:35,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:35,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:35,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:35,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:35,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:35,855 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:35,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:35,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:35,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:35,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:35,863 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:35,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-21 17:15:35,865 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 17:15:35,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:35,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:35,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:35,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:35,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:35,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:35,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:35,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-11-21 17:15:35,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:35,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:35,884 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:35,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-21 17:15:35,888 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 17:15:35,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:35,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:35,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:35,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:35,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:35,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:35,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:35,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:35,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:35,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:35,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:35,942 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:35,948 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 17:15:35,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-21 17:15:35,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:35,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 17:15:35,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:35,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:35,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:35,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 17:15:35,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 17:15:35,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:35,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:35,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:35,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:35,984 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:35,992 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 17:15:36,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-21 17:15:36,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:36,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:36,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:36,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:36,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:36,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:36,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:36,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:36,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:36,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:36,032 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:36,036 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 17:15:36,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:36,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:36,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:36,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:36,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-21 17:15:36,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:36,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:36,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:36,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:36,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:36,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:36,065 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:36,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-21 17:15:36,068 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 17:15:36,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:36,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 17:15:36,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:36,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:36,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 17:15:36,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:36,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:36,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-21 17:15:36,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:36,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:36,087 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:36,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-21 17:15:36,090 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 17:15:36,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:36,100 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-21 17:15:36,100 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2022-11-21 17:15:36,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:36,174 INFO L401 nArgumentSynthesizer]: We have 108 Motzkin's Theorem applications. [2022-11-21 17:15:36,175 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-11-21 17:15:36,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 17:15:36,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:36,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:36,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:36,376 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:36,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-21 17:15:36,378 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 17:15:36,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 17:15:36,393 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-21 17:15:36,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 17:15:36,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 17:15:36,418 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-21 17:15:36,418 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 17:15:36,460 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 17:15:36,717 INFO L443 ModelExtractionUtils]: Simplification made 47 calls to the SMT solver. [2022-11-21 17:15:36,717 INFO L444 ModelExtractionUtils]: 21 out of 64 variables were initially zero. Simplification set additionally 40 variables to zero. [2022-11-21 17:15:36,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:15:36,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:15:36,719 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:15:36,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-21 17:15:36,721 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 17:15:36,732 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-21 17:15:36,733 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 17:15:36,733 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_5, ULTIMATE.start_cstrspn_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_5 - 1*ULTIMATE.start_cstrspn_~s~0#1.offset Supporting invariants [] [2022-11-21 17:15:36,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-21 17:15:37,050 INFO L156 tatePredicateManager]: 45 out of 46 supporting invariants were superfluous and have been removed [2022-11-21 17:15:37,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:37,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 17:15:37,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:15:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:37,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 17:15:37,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:15:37,255 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 17:15:37,255 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-21 17:15:37,255 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:15:37,321 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 58 transitions. Complement of second has 7 states. [2022-11-21 17:15:37,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 17:15:37,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:15:37,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2022-11-21 17:15:37,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 25 letters. Loop has 3 letters. [2022-11-21 17:15:37,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:15:37,323 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-21 17:15:37,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:37,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 17:15:37,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:15:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:37,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 17:15:37,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:15:37,523 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 17:15:37,524 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-21 17:15:37,524 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:15:37,587 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 58 transitions. Complement of second has 7 states. [2022-11-21 17:15:37,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 17:15:37,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:15:37,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2022-11-21 17:15:37,589 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 25 letters. Loop has 3 letters. [2022-11-21 17:15:37,589 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:15:37,589 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-21 17:15:37,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:15:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:37,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 17:15:37,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:15:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:15:37,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 17:15:37,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:15:37,788 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 17:15:37,789 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-21 17:15:37,789 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:15:37,852 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 58 transitions. Complement of second has 6 states. [2022-11-21 17:15:37,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 17:15:37,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:15:37,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2022-11-21 17:15:37,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 25 letters. Loop has 3 letters. [2022-11-21 17:15:37,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:15:37,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 28 letters. Loop has 3 letters. [2022-11-21 17:15:37,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:15:37,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 25 letters. Loop has 6 letters. [2022-11-21 17:15:37,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 17:15:37,856 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 58 transitions. [2022-11-21 17:15:37,857 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 17:15:37,857 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 0 states and 0 transitions. [2022-11-21 17:15:37,857 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-21 17:15:37,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-21 17:15:37,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-21 17:15:37,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:15:37,857 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 17:15:37,858 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 17:15:37,858 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 17:15:37,858 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-21 17:15:37,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-21 17:15:37,858 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 17:15:37,858 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-21 17:15:37,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 05:15:37 BoogieIcfgContainer [2022-11-21 17:15:37,865 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 17:15:37,866 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:15:37,866 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:15:37,866 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:15:37,867 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:15:04" (3/4) ... [2022-11-21 17:15:37,869 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 17:15:37,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:15:37,870 INFO L158 Benchmark]: Toolchain (without parser) took 34204.55ms. Allocated memory was 174.1MB in the beginning and 325.1MB in the end (delta: 151.0MB). Free memory was 128.5MB in the beginning and 126.2MB in the end (delta: 2.2MB). Peak memory consumption was 154.0MB. Max. memory is 16.1GB. [2022-11-21 17:15:37,870 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 134.2MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:15:37,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.88ms. Allocated memory is still 174.1MB. Free memory was 128.0MB in the beginning and 111.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 17:15:37,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.16ms. Allocated memory is still 174.1MB. Free memory was 111.7MB in the beginning and 110.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:15:37,871 INFO L158 Benchmark]: Boogie Preprocessor took 61.46ms. Allocated memory is still 174.1MB. Free memory was 110.0MB in the beginning and 108.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:15:37,871 INFO L158 Benchmark]: RCFGBuilder took 596.43ms. Allocated memory is still 174.1MB. Free memory was 108.3MB in the beginning and 140.5MB in the end (delta: -32.2MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2022-11-21 17:15:37,872 INFO L158 Benchmark]: BuchiAutomizer took 32877.60ms. Allocated memory was 174.1MB in the beginning and 325.1MB in the end (delta: 151.0MB). Free memory was 140.5MB in the beginning and 127.3MB in the end (delta: 13.2MB). Peak memory consumption was 165.1MB. Max. memory is 16.1GB. [2022-11-21 17:15:37,872 INFO L158 Benchmark]: Witness Printer took 3.39ms. Allocated memory is still 325.1MB. Free memory was 127.3MB in the beginning and 126.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:15:37,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 134.2MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 577.88ms. Allocated memory is still 174.1MB. Free memory was 128.0MB in the beginning and 111.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.16ms. Allocated memory is still 174.1MB. Free memory was 111.7MB in the beginning and 110.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.46ms. Allocated memory is still 174.1MB. Free memory was 110.0MB in the beginning and 108.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 596.43ms. Allocated memory is still 174.1MB. Free memory was 108.3MB in the beginning and 140.5MB in the end (delta: -32.2MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 32877.60ms. Allocated memory was 174.1MB in the beginning and 325.1MB in the end (delta: 151.0MB). Free memory was 140.5MB in the beginning and 127.3MB in the end (delta: 13.2MB). Peak memory consumption was 165.1MB. Max. memory is 16.1GB. * Witness Printer took 3.39ms. Allocated memory is still 325.1MB. Free memory was 127.3MB in the beginning and 126.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (4 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function length2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[sc1] + -1 * sc1 and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s and consists of 5 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 28 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 32.8s and 10 iterations. TraceHistogramMax:2. Analysis of lassos took 29.7s. Construction of modules took 0.5s. Büchi inclusion checks took 2.3s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 13 StatesRemovedByMinimization, 5 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 [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 578 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 575 mSDsluCounter, 705 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 501 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 510 IncrementalHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 204 mSDtfsCounter, 510 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital314 mio100 ax108 hnf100 lsp104 ukn66 mio100 lsp52 div161 bol100 ite100 ukn100 eq163 hnf92 smp72 dnf237 smp66 tf100 neg98 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 283ms VariablesStem: 7 VariablesLoop: 6 DisjunctsStem: 2 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 108 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 17:15:37,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-11-21 17:15:38,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2022-11-21 17:15:38,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d96eae6-506b-45d0-845d-65fef153ae84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE