./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcmp_mixed_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcmp_mixed_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 577a2eb90f91f4aea793f8d739939ae3b3095098d9dbb2adc1dcfe3938a7037f --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:31:55,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:31:55,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:31:55,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:31:55,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:31:55,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:31:55,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:31:55,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:31:55,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:31:55,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:31:55,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:31:55,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:31:55,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:31:55,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:31:55,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:31:55,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:31:55,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:31:55,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:31:55,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:31:55,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:31:55,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:31:55,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:31:55,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:31:55,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:31:55,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:31:55,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:31:55,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:31:55,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:31:55,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:31:55,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:31:55,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:31:55,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:31:55,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:31:55,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:31:55,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:31:55,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:31:55,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:31:55,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:31:55,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:31:55,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:31:55,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:31:55,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 17:31:55,342 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:31:55,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:31:55,343 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:31:55,343 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:31:55,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:31:55,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:31:55,344 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:31:55,345 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 17:31:55,345 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 17:31:55,345 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 17:31:55,345 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 17:31:55,345 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 17:31:55,345 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 17:31:55,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:31:55,346 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 17:31:55,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:31:55,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:31:55,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 17:31:55,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 17:31:55,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 17:31:55,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:31:55,347 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 17:31:55,347 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:31:55,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 17:31:55,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:31:55,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:31:55,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:31:55,348 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:31:55,348 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:31:55,349 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 17:31:55,349 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_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 577a2eb90f91f4aea793f8d739939ae3b3095098d9dbb2adc1dcfe3938a7037f [2021-12-06 17:31:55,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:31:55,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:31:55,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:31:55,545 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:31:55,546 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:31:55,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-15/cstrcmp_mixed_alloca.i [2021-12-06 17:31:55,593 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/data/b828decd5/4fd3bd98013c43dea3818e7754c4617a/FLAG53d501c51 [2021-12-06 17:31:56,004 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:31:56,005 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/sv-benchmarks/c/termination-15/cstrcmp_mixed_alloca.i [2021-12-06 17:31:56,012 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/data/b828decd5/4fd3bd98013c43dea3818e7754c4617a/FLAG53d501c51 [2021-12-06 17:31:56,022 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/data/b828decd5/4fd3bd98013c43dea3818e7754c4617a [2021-12-06 17:31:56,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:31:56,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:31:56,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:31:56,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:31:56,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:31:56,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:31:56" (1/1) ... [2021-12-06 17:31:56,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5ebbd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:31:56, skipping insertion in model container [2021-12-06 17:31:56,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:31:56" (1/1) ... [2021-12-06 17:31:56,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:31:56,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:31:56,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:31:56,263 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:31:56,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:31:56,312 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:31:56,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:31:56 WrapperNode [2021-12-06 17:31:56,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:31:56,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:31:56,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:31:56,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:31:56,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:31:56" (1/1) ... [2021-12-06 17:31:56,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:31:56" (1/1) ... [2021-12-06 17:31:56,343 INFO L137 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2021-12-06 17:31:56,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:31:56,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:31:56,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:31:56,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:31:56,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:31:56" (1/1) ... [2021-12-06 17:31:56,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:31:56" (1/1) ... [2021-12-06 17:31:56,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:31:56" (1/1) ... [2021-12-06 17:31:56,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:31:56" (1/1) ... [2021-12-06 17:31:56,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:31:56" (1/1) ... [2021-12-06 17:31:56,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:31:56" (1/1) ... [2021-12-06 17:31:56,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:31:56" (1/1) ... [2021-12-06 17:31:56,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:31:56,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:31:56,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:31:56,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:31:56,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:31:56" (1/1) ... [2021-12-06 17:31:56,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:56,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:56,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:56,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 17:31:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 17:31:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 17:31:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 17:31:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:31:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:31:56,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:31:56,470 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:31:56,471 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:31:56,575 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:31:56,579 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:31:56,579 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 17:31:56,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:31:56 BoogieIcfgContainer [2021-12-06 17:31:56,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:31:56,581 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 17:31:56,581 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 17:31:56,583 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 17:31:56,584 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:31:56,584 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 05:31:56" (1/3) ... [2021-12-06 17:31:56,585 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ba46c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 05:31:56, skipping insertion in model container [2021-12-06 17:31:56,585 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:31:56,585 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:31:56" (2/3) ... [2021-12-06 17:31:56,585 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ba46c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 05:31:56, skipping insertion in model container [2021-12-06 17:31:56,585 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:31:56,585 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:31:56" (3/3) ... [2021-12-06 17:31:56,586 INFO L388 chiAutomizerObserver]: Analyzing ICFG cstrcmp_mixed_alloca.i [2021-12-06 17:31:56,621 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 17:31:56,621 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 17:31:56,621 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 17:31:56,622 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 17:31:56,622 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 17:31:56,622 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 17:31:56,622 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 17:31:56,622 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 17:31:56,636 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:31:56,653 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 17:31:56,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:31:56,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:31:56,657 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 17:31:56,657 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 17:31:56,657 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 17:31:56,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:31:56,662 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 17:31:56,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:31:56,662 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:31:56,662 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 17:31:56,662 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 17:31:56,667 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet214#1, main_#t~nondet215#1, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~malloc217#1.base, main_#t~malloc217#1.offset, main_#t~ret218#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~nondet214#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet215#1;havoc main_#t~nondet215#1; 11#L378true assume !(main_~length1~0#1 < 1); 14#L378-2true assume !(main_~length2~0#1 < 1); 12#L381-1true call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call main_#t~malloc217#1.base, main_#t~malloc217#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc217#1.base, main_#t~malloc217#1.offset;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, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcmp } true;cstrcmp_#in~s1#1.base, cstrcmp_#in~s1#1.offset, cstrcmp_#in~s2#1.base, cstrcmp_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcmp_#res#1;havoc cstrcmp_#t~post209#1.base, cstrcmp_#t~post209#1.offset, cstrcmp_#t~post210#1.base, cstrcmp_#t~post210#1.offset, cstrcmp_#t~mem205#1, cstrcmp_#t~mem206#1, cstrcmp_#t~mem207#1, cstrcmp_#t~short208#1, cstrcmp_#t~mem211#1, cstrcmp_#t~mem212#1, cstrcmp_#t~ite213#1, cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset, cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset, cstrcmp_~uc1~0#1, cstrcmp_~uc2~0#1;cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset := cstrcmp_#in~s1#1.base, cstrcmp_#in~s1#1.offset;cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset := cstrcmp_#in~s2#1.base, cstrcmp_#in~s2#1.offset;havoc cstrcmp_~uc1~0#1;havoc cstrcmp_~uc2~0#1; 7#L367-5true [2021-12-06 17:31:56,668 INFO L793 eck$LassoCheckResult]: Loop: 7#L367-5true call cstrcmp_#t~mem205#1 := read~int(cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset, 1);cstrcmp_#t~short208#1 := 0 != cstrcmp_#t~mem205#1; 15#L367-1true assume cstrcmp_#t~short208#1;call cstrcmp_#t~mem206#1 := read~int(cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset, 1);call cstrcmp_#t~mem207#1 := read~int(cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset, 1);cstrcmp_#t~short208#1 := cstrcmp_#t~mem206#1 == cstrcmp_#t~mem207#1; 3#L367-3true assume !!cstrcmp_#t~short208#1;havoc cstrcmp_#t~mem205#1;havoc cstrcmp_#t~mem206#1;havoc cstrcmp_#t~mem207#1;havoc cstrcmp_#t~short208#1;cstrcmp_#t~post209#1.base, cstrcmp_#t~post209#1.offset := cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset;cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset := cstrcmp_#t~post209#1.base, 1 + cstrcmp_#t~post209#1.offset;havoc cstrcmp_#t~post209#1.base, cstrcmp_#t~post209#1.offset;cstrcmp_#t~post210#1.base, cstrcmp_#t~post210#1.offset := cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset;cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset := cstrcmp_#t~post210#1.base, cstrcmp_#t~post210#1.offset - 1;havoc cstrcmp_#t~post210#1.base, cstrcmp_#t~post210#1.offset; 7#L367-5true [2021-12-06 17:31:56,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:31:56,672 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-12-06 17:31:56,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:31:56,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503607045] [2021-12-06 17:31:56,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:31:56,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:31:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:31:56,778 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:31:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:31:56,818 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:31:56,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:31:56,820 INFO L85 PathProgramCache]: Analyzing trace with hash 49755, now seen corresponding path program 1 times [2021-12-06 17:31:56,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:31:56,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40038476] [2021-12-06 17:31:56,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:31:56,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:31:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:31:56,834 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:31:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:31:56,844 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:31:56,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:31:56,846 INFO L85 PathProgramCache]: Analyzing trace with hash 180429558, now seen corresponding path program 1 times [2021-12-06 17:31:56,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:31:56,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574969204] [2021-12-06 17:31:56,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:31:56,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:31:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:31:56,886 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:31:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:31:56,914 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:31:57,448 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:31:57,449 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:31:57,449 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:31:57,449 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:31:57,449 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 17:31:57,449 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:57,449 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:31:57,449 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:31:57,449 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcmp_mixed_alloca.i_Iteration1_Lasso [2021-12-06 17:31:57,450 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:31:57,450 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:31:57,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:57,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:31:58,042 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:31:58,045 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 17:31:58,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,047 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 17:31:58,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:31:58,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:31:58,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:31:58,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 17:31:58,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,080 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 17:31:58,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:31:58,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:31:58,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:31:58,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 17:31:58,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,109 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 17:31:58,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:31:58,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:31:58,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:31:58,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-06 17:31:58,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,139 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 17:31:58,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:31:58,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:31:58,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 17:31:58,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,172 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 17:31:58,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:31:58,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:31:58,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:31:58,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 17:31:58,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,202 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 17:31:58,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:31:58,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:31:58,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 17:31:58,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,234 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 17:31:58,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:31:58,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:31:58,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:31:58,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 17:31:58,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,264 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 17:31:58,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:31:58,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:31:58,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:31:58,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 17:31:58,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,293 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 17:31:58,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:31:58,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:31:58,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:31:58,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 17:31:58,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,322 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 17:31:58,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:31:58,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:31:58,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:31:58,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 17:31:58,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,352 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 17:31:58,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:31:58,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:31:58,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:31:58,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-06 17:31:58,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,382 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 17:31:58,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:31:58,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:31:58,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:31:58,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 17:31:58,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,411 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 17:31:58,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:31:58,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:31:58,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:31:58,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 17:31:58,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,440 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 17:31:58,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:31:58,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:31:58,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:31:58,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 17:31:58,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,468 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 17:31:58,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:31:58,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:31:58,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:31:58,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 17:31:58,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,508 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 17:31:58,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:31:58,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:31:58,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:31:58,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 17:31:58,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,536 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 17:31:58,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:31:58,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:31:58,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:31:58,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 17:31:58,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,565 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 17:31:58,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:31:58,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:31:58,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 17:31:58,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,597 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 17:31:58,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,612 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:31:58,612 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:31:58,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 17:31:58,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,640 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 17:31:58,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:31:58,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:31:58,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-06 17:31:58,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,671 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 17:31:58,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:31:58,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:31:58,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-06 17:31:58,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,714 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 17:31:58,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:31:58,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:31:58,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 17:31:58,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,746 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 17:31:58,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:31:58,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,754 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 17:31:58,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,755 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 17:31:58,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:31:58,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 17:31:58,776 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,776 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 17:31:58,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:31:58,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:31:58,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:31:58,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 17:31:58,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,813 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 17:31:58,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:31:58,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:31:58,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:31:58,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:31:58,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:31:58,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:31:58,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:31:58,848 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 17:31:58,910 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2021-12-06 17:31:58,910 INFO L444 ModelExtractionUtils]: 26 out of 46 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-12-06 17:31:58,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:31:58,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:31:58,913 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:31:58,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 17:31:58,914 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 17:31:58,924 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 17:31:58,924 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 17:31:58,925 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcmp_~s2#1.offset) = 2*ULTIMATE.start_cstrcmp_~s2#1.offset + 1 Supporting invariants [] [2021-12-06 17:31:58,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 17:31:58,993 INFO L297 tatePredicateManager]: 17 out of 17 supporting invariants were superfluous and have been removed [2021-12-06 17:31:59,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:31:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:31:59,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 17:31:59,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:31:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:31:59,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:31:59,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:31:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:31:59,100 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-06 17:31:59,102 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:31:59,135 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 52 transitions. Complement of second has 7 states. [2021-12-06 17:31:59,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 17:31:59,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:31:59,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2021-12-06 17:31:59,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 3 letters. [2021-12-06 17:31:59,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:31:59,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 8 letters. Loop has 3 letters. [2021-12-06 17:31:59,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:31:59,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 6 letters. [2021-12-06 17:31:59,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:31:59,142 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 52 transitions. [2021-12-06 17:31:59,144 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 17:31:59,147 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 15 states and 20 transitions. [2021-12-06 17:31:59,147 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-06 17:31:59,148 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-12-06 17:31:59,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2021-12-06 17:31:59,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 17:31:59,148 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-12-06 17:31:59,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2021-12-06 17:31:59,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-12-06 17:31:59,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:31:59,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2021-12-06 17:31:59,165 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-12-06 17:31:59,165 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-12-06 17:31:59,165 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 17:31:59,165 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2021-12-06 17:31:59,166 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 17:31:59,166 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:31:59,166 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:31:59,166 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 17:31:59,166 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 17:31:59,167 INFO L791 eck$LassoCheckResult]: Stem: 177#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 178#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet214#1, main_#t~nondet215#1, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~malloc217#1.base, main_#t~malloc217#1.offset, main_#t~ret218#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~nondet214#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet215#1;havoc main_#t~nondet215#1; 179#L378 assume !(main_~length1~0#1 < 1); 180#L378-2 assume !(main_~length2~0#1 < 1); 183#L381-1 call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call main_#t~malloc217#1.base, main_#t~malloc217#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc217#1.base, main_#t~malloc217#1.offset;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, 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrcmp } true;cstrcmp_#in~s1#1.base, cstrcmp_#in~s1#1.offset, cstrcmp_#in~s2#1.base, cstrcmp_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcmp_#res#1;havoc cstrcmp_#t~post209#1.base, cstrcmp_#t~post209#1.offset, cstrcmp_#t~post210#1.base, cstrcmp_#t~post210#1.offset, cstrcmp_#t~mem205#1, cstrcmp_#t~mem206#1, cstrcmp_#t~mem207#1, cstrcmp_#t~short208#1, cstrcmp_#t~mem211#1, cstrcmp_#t~mem212#1, cstrcmp_#t~ite213#1, cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset, cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset, cstrcmp_~uc1~0#1, cstrcmp_~uc2~0#1;cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset := cstrcmp_#in~s1#1.base, cstrcmp_#in~s1#1.offset;cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset := cstrcmp_#in~s2#1.base, cstrcmp_#in~s2#1.offset;havoc cstrcmp_~uc1~0#1;havoc cstrcmp_~uc2~0#1; 184#L367-5 call cstrcmp_#t~mem205#1 := read~int(cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset, 1);cstrcmp_#t~short208#1 := 0 != cstrcmp_#t~mem205#1; 181#L367-1 [2021-12-06 17:31:59,167 INFO L793 eck$LassoCheckResult]: Loop: 181#L367-1 assume !cstrcmp_#t~short208#1; 173#L367-3 assume !!cstrcmp_#t~short208#1;havoc cstrcmp_#t~mem205#1;havoc cstrcmp_#t~mem206#1;havoc cstrcmp_#t~mem207#1;havoc cstrcmp_#t~short208#1;cstrcmp_#t~post209#1.base, cstrcmp_#t~post209#1.offset := cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset;cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset := cstrcmp_#t~post209#1.base, 1 + cstrcmp_#t~post209#1.offset;havoc cstrcmp_#t~post209#1.base, cstrcmp_#t~post209#1.offset;cstrcmp_#t~post210#1.base, cstrcmp_#t~post210#1.offset := cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset;cstrcmp_~s2#1.base, cstrcmp_~s2#1.offset := cstrcmp_#t~post210#1.base, cstrcmp_#t~post210#1.offset - 1;havoc cstrcmp_#t~post210#1.base, cstrcmp_#t~post210#1.offset; 174#L367-5 call cstrcmp_#t~mem205#1 := read~int(cstrcmp_~s1#1.base, cstrcmp_~s1#1.offset, 1);cstrcmp_#t~short208#1 := 0 != cstrcmp_#t~mem205#1; 181#L367-1 [2021-12-06 17:31:59,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:31:59,167 INFO L85 PathProgramCache]: Analyzing trace with hash 889572238, now seen corresponding path program 1 times [2021-12-06 17:31:59,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:31:59,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801664839] [2021-12-06 17:31:59,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:31:59,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:31:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:31:59,187 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:31:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:31:59,204 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:31:59,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:31:59,205 INFO L85 PathProgramCache]: Analyzing trace with hash 54797, now seen corresponding path program 1 times [2021-12-06 17:31:59,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:31:59,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003385353] [2021-12-06 17:31:59,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:31:59,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:31:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:31:59,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:31:59,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:31:59,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003385353] [2021-12-06 17:31:59,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003385353] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:31:59,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:31:59,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:31:59,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959073731] [2021-12-06 17:31:59,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:31:59,226 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 17:31:59,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:31:59,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:31:59,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:31:59,229 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:31:59,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:31:59,238 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2021-12-06 17:31:59,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:31:59,239 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2021-12-06 17:31:59,239 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 17:31:59,239 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2021-12-06 17:31:59,240 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 17:31:59,240 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 17:31:59,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 17:31:59,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:31:59,240 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:31:59,240 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:31:59,240 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:31:59,240 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 17:31:59,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 17:31:59,240 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 17:31:59,240 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 17:31:59,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 05:31:59 BoogieIcfgContainer [2021-12-06 17:31:59,245 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 17:31:59,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:31:59,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:31:59,246 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:31:59,246 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:31:56" (3/4) ... [2021-12-06 17:31:59,248 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 17:31:59,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:31:59,249 INFO L158 Benchmark]: Toolchain (without parser) took 3223.92ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 68.5MB in the beginning and 68.0MB in the end (delta: 503.1kB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2021-12-06 17:31:59,249 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 73.4MB. Free memory is still 35.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:31:59,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.90ms. Allocated memory is still 102.8MB. Free memory was 68.3MB in the beginning and 70.0MB in the end (delta: -1.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 17:31:59,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.98ms. Allocated memory is still 102.8MB. Free memory was 70.0MB in the beginning and 68.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:31:59,250 INFO L158 Benchmark]: Boogie Preprocessor took 16.12ms. Allocated memory is still 102.8MB. Free memory was 68.0MB in the beginning and 66.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:31:59,251 INFO L158 Benchmark]: RCFGBuilder took 220.04ms. Allocated memory is still 102.8MB. Free memory was 66.6MB in the beginning and 56.0MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 17:31:59,251 INFO L158 Benchmark]: BuchiAutomizer took 2664.15ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 56.0MB in the beginning and 68.8MB in the end (delta: -12.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-12-06 17:31:59,251 INFO L158 Benchmark]: Witness Printer took 2.56ms. Allocated memory is still 123.7MB. Free memory was 68.8MB in the beginning and 68.0MB in the end (delta: 792.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:31:59,254 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 73.4MB. Free memory is still 35.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.90ms. Allocated memory is still 102.8MB. Free memory was 68.3MB in the beginning and 70.0MB in the end (delta: -1.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.98ms. Allocated memory is still 102.8MB. Free memory was 70.0MB in the beginning and 68.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.12ms. Allocated memory is still 102.8MB. Free memory was 68.0MB in the beginning and 66.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 220.04ms. Allocated memory is still 102.8MB. Free memory was 66.6MB in the beginning and 56.0MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2664.15ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 56.0MB in the beginning and 68.8MB in the end (delta: -12.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Witness Printer took 2.56ms. Allocated memory is still 123.7MB. Free memory was 68.8MB in the beginning and 68.0MB in the end (delta: 792.5kB). Peak memory consumption was 2.1MB. 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * s2 + 1 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 27 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital209 mio100 ax100 hnf100 lsp97 ukn93 mio100 lsp48 div100 bol100 ite100 ukn100 eq190 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 17:31:59,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 17:31:59,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5fa62b-fe66-4947-aa0c-b0d1ed781e5d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE