./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 03931b69e9073178e54f20b91a2b2a66154a89c69758aa4d312927278c5c0104 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:48:20,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:48:20,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:48:20,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:48:20,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:48:20,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:48:20,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:48:20,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:48:20,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:48:20,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:48:20,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:48:20,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:48:20,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:48:20,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:48:20,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:48:20,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:48:20,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:48:20,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:48:20,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:48:20,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:48:20,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:48:20,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:48:20,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:48:20,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:48:20,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:48:20,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:48:20,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:48:20,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:48:20,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:48:20,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:48:20,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:48:20,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:48:20,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:48:20,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:48:20,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:48:20,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:48:20,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:48:20,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:48:20,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:48:20,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:48:20,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:48:20,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-09 09:48:20,348 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:48:20,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:48:20,349 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:48:20,349 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:48:20,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:48:20,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:48:20,351 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:48:20,352 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 09:48:20,352 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 09:48:20,352 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 09:48:20,353 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 09:48:20,353 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 09:48:20,353 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 09:48:20,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:48:20,354 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:48:20,355 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 09:48:20,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:48:20,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:48:20,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:48:20,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 09:48:20,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 09:48:20,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 09:48:20,357 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:48:20,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:48:20,358 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 09:48:20,358 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:48:20,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 09:48:20,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:48:20,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:48:20,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:48:20,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:48:20,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:48:20,362 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 09:48:20,362 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_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03931b69e9073178e54f20b91a2b2a66154a89c69758aa4d312927278c5c0104 [2021-11-09 09:48:20,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:48:20,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:48:20,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:48:20,630 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:48:20,631 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:48:20,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i [2021-11-09 09:48:20,720 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/data/ce1ac2070/517ca0214e5d4cb782919167ccf57db7/FLAGd7e9db158 [2021-11-09 09:48:21,223 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:48:21,224 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/sv-benchmarks/c/array-industry-pattern/array_shadowinit.i [2021-11-09 09:48:21,234 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/data/ce1ac2070/517ca0214e5d4cb782919167ccf57db7/FLAGd7e9db158 [2021-11-09 09:48:21,587 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/data/ce1ac2070/517ca0214e5d4cb782919167ccf57db7 [2021-11-09 09:48:21,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:48:21,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:48:21,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:48:21,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:48:21,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:48:21,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:48:21" (1/1) ... [2021-11-09 09:48:21,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10af5db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:48:21, skipping insertion in model container [2021-11-09 09:48:21,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:48:21" (1/1) ... [2021-11-09 09:48:21,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:48:21,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:48:21,811 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/sv-benchmarks/c/array-industry-pattern/array_shadowinit.i[809,822] [2021-11-09 09:48:21,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:48:21,839 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:48:21,861 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/sv-benchmarks/c/array-industry-pattern/array_shadowinit.i[809,822] [2021-11-09 09:48:21,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:48:21,893 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:48:21,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:48:21 WrapperNode [2021-11-09 09:48:21,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:48:21,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:48:21,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:48:21,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:48:21,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:48:21" (1/1) ... [2021-11-09 09:48:21,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:48:21" (1/1) ... [2021-11-09 09:48:21,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:48:21,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:48:21,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:48:21,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:48:21,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:48:21" (1/1) ... [2021-11-09 09:48:21,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:48:21" (1/1) ... [2021-11-09 09:48:21,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:48:21" (1/1) ... [2021-11-09 09:48:21,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:48:21" (1/1) ... [2021-11-09 09:48:21,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:48:21" (1/1) ... [2021-11-09 09:48:21,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:48:21" (1/1) ... [2021-11-09 09:48:21,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:48:21" (1/1) ... [2021-11-09 09:48:21,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:48:21,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:48:21,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:48:21,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:48:21,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:48:21" (1/1) ... [2021-11-09 09:48:21,992 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:22,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:48:22,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:48:22,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 09:48:22,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 09:48:22,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:48:22,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 09:48:22,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:48:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:48:22,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 09:48:22,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 09:48:22,276 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:48:22,276 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-09 09:48:22,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:48:22 BoogieIcfgContainer [2021-11-09 09:48:22,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:48:22,279 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 09:48:22,279 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 09:48:22,289 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 09:48:22,290 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:48:22,290 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 09:48:21" (1/3) ... [2021-11-09 09:48:22,292 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b4617f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 09:48:22, skipping insertion in model container [2021-11-09 09:48:22,297 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:48:22,297 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:48:21" (2/3) ... [2021-11-09 09:48:22,298 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b4617f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 09:48:22, skipping insertion in model container [2021-11-09 09:48:22,298 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:48:22,298 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:48:22" (3/3) ... [2021-11-09 09:48:22,300 INFO L389 chiAutomizerObserver]: Analyzing ICFG array_shadowinit.i [2021-11-09 09:48:22,377 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 09:48:22,377 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 09:48:22,378 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 09:48:22,378 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 09:48:22,378 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 09:48:22,378 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 09:48:22,378 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 09:48:22,378 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 09:48:22,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) 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) [2021-11-09 09:48:22,429 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-11-09 09:48:22,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:48:22,433 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:48:22,439 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-09 09:48:22,439 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-09 09:48:22,440 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 09:48:22,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) 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) [2021-11-09 09:48:22,443 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-11-09 09:48:22,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:48:22,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:48:22,445 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-09 09:48:22,445 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-09 09:48:22,452 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(19);~N~0 := 0; 6#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~mem4, main_~i~0, main_~k~0, main_~#a~0.base, main_~#a~0.offset;~N~0 := main_#t~nondet3;havoc main_#t~nondet3; 7#L18true assume ~N~0 > 0;havoc main_~i~0;havoc main_~k~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(4 * ~N~0);main_~i~0 := 0;main_~k~0 := 0; 12#L23-2true [2021-11-09 09:48:22,453 INFO L793 eck$LassoCheckResult]: Loop: 12#L23-2true assume !!(main_~i~0 < ~N~0);call write~int(main_~k~0, main_~#a~0.base, main_~#a~0.offset + 4 * main_~k~0, 4);main_~i~0 := 1 + main_~i~0;main_~k~0 := 1 + main_~k~0; 12#L23-2true [2021-11-09 09:48:22,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:48:22,458 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-11-09 09:48:22,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:48:22,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437587050] [2021-11-09 09:48:22,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:48:22,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:48:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:48:22,582 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:48:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:48:22,631 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:48:22,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:48:22,635 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times [2021-11-09 09:48:22,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:48:22,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304821650] [2021-11-09 09:48:22,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:48:22,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:48:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:48:22,655 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:48:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:48:22,674 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:48:22,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:48:22,685 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2021-11-09 09:48:22,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:48:22,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492582849] [2021-11-09 09:48:22,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:48:22,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:48:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:48:22,738 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:48:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:48:22,773 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:48:23,313 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:48:23,314 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:48:23,314 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:48:23,314 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:48:23,314 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 09:48:23,315 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:23,315 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:48:23,315 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:48:23,315 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_shadowinit.i_Iteration1_Lasso [2021-11-09 09:48:23,315 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:48:23,315 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:48:23,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:48:23,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:48:23,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:48:23,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:48:23,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:48:23,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:48:23,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:48:23,814 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:48:23,819 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 09:48:23,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:23,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:48:23,828 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:48:23,840 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 [2021-11-09 09:48:23,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-09 09:48:23,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:48:23,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:48:23,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:48:23,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:48:23,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:48:23,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:48:23,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:48:23,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-09 09:48:23,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:23,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:48:23,911 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:48:23,920 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 [2021-11-09 09:48:23,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:48:23,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:48:23,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:48:23,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:48:23,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:48:23,937 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:48:23,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-09 09:48:23,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:48:23,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-09 09:48:23,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:23,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:48:23,993 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:48:23,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-09 09:48:23,995 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 [2021-11-09 09:48:24,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:48:24,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:48:24,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:48:24,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:48:24,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:48:24,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:48:24,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:48:24,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-09 09:48:24,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:24,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:48:24,058 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:48:24,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-09 09:48:24,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:48:24,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:48:24,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:48:24,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:48:24,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:48:24,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:48:24,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:48:24,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:48:24,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-09 09:48:24,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:24,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:48:24,140 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:48:24,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-09 09:48:24,142 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 [2021-11-09 09:48:24,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:48:24,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:48:24,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:48:24,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:48:24,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:48:24,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:48:24,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:48:24,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-09 09:48:24,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:24,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:48:24,224 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:48:24,232 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 [2021-11-09 09:48:24,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:48:24,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:48:24,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:48:24,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:48:24,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:48:24,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:48:24,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:48:24,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-09 09:48:24,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:48:24,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-09 09:48:24,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:24,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:48:24,297 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:48:24,303 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 [2021-11-09 09:48:24,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:48:24,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:48:24,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:48:24,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:48:24,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-09 09:48:24,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:48:24,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:48:24,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:48:24,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-09 09:48:24,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:24,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:48:24,345 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:48:24,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-09 09:48:24,347 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 [2021-11-09 09:48:24,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:48:24,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:48:24,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:48:24,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:48:24,360 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:48:24,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:48:24,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:48:24,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-09 09:48:24,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:24,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:48:24,413 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:48:24,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-09 09:48:24,423 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 [2021-11-09 09:48:24,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:48:24,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:48:24,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:48:24,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:48:24,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:48:24,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:48:24,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:48:24,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-09 09:48:24,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:24,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:48:24,501 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:48:24,512 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 [2021-11-09 09:48:24,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:48:24,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:48:24,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:48:24,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:48:24,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:48:24,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:48:24,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-09 09:48:24,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:48:24,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-09 09:48:24,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:24,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:48:24,563 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:48:24,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-09 09:48:24,565 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 [2021-11-09 09:48:24,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:48:24,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:48:24,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:48:24,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:48:24,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:48:24,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:48:24,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:48:24,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-09 09:48:24,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:24,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:48:24,632 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:48:24,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-09 09:48:24,634 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 [2021-11-09 09:48:24,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:48:24,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:48:24,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:48:24,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:48:24,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:48:24,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:48:24,674 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 09:48:24,706 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-11-09 09:48:24,706 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-11-09 09:48:24,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:24,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:48:24,718 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:48:24,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-09 09:48:24,733 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 09:48:24,761 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-09 09:48:24,762 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 09:48:24,762 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0, v_rep(select #length ULTIMATE.start_main_~#a~0.base)_1) = -4*ULTIMATE.start_main_~k~0 + 1*v_rep(select #length ULTIMATE.start_main_~#a~0.base)_1 Supporting invariants [1*ULTIMATE.start_main_~#a~0.offset >= 0] [2021-11-09 09:48:24,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-09 09:48:24,865 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-11-09 09:48:24,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:48:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:48:24,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-09 09:48:24,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:48:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:48:24,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-09 09:48:24,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:48:24,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:48:24,984 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-11-09 09:48:25,008 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.4615384615384615) 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) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:48:25,070 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.4615384615384615) 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). Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 45 transitions. Complement of second has 6 states. [2021-11-09 09:48:25,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-09 09:48:25,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:48:25,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2021-11-09 09:48:25,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 3 letters. Loop has 1 letters. [2021-11-09 09:48:25,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:48:25,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 4 letters. Loop has 1 letters. [2021-11-09 09:48:25,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:48:25,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 3 letters. Loop has 2 letters. [2021-11-09 09:48:25,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:48:25,078 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2021-11-09 09:48:25,081 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-09 09:48:25,086 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 9 states and 11 transitions. [2021-11-09 09:48:25,087 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-11-09 09:48:25,087 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-11-09 09:48:25,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2021-11-09 09:48:25,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:48:25,088 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-09 09:48:25,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2021-11-09 09:48:25,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-09 09:48:25,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:48:25,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-11-09 09:48:25,110 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-09 09:48:25,110 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-09 09:48:25,110 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-09 09:48:25,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2021-11-09 09:48:25,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-09 09:48:25,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:48:25,111 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:48:25,111 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-09 09:48:25,111 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-09 09:48:25,111 INFO L791 eck$LassoCheckResult]: Stem: 126#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(19);~N~0 := 0; 127#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~mem4, main_~i~0, main_~k~0, main_~#a~0.base, main_~#a~0.offset;~N~0 := main_#t~nondet3;havoc main_#t~nondet3; 122#L18 assume ~N~0 > 0;havoc main_~i~0;havoc main_~k~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(4 * ~N~0);main_~i~0 := 0;main_~k~0 := 0; 123#L23-2 assume !(main_~i~0 < ~N~0); 128#L23-3 main_~i~0 := 0; 130#L29-2 [2021-11-09 09:48:25,112 INFO L793 eck$LassoCheckResult]: Loop: 130#L29-2 assume !!(main_~i~0 < ~N~0);call main_#t~mem4 := read~int(main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem4 == main_~i~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 124#L13 assume !(0 == __VERIFIER_assert_~cond); 125#L13-3 havoc main_#t~mem4;main_~i~0 := 1 + main_~i~0; 130#L29-2 [2021-11-09 09:48:25,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:48:25,113 INFO L85 PathProgramCache]: Analyzing trace with hash 28693928, now seen corresponding path program 1 times [2021-11-09 09:48:25,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:48:25,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410805743] [2021-11-09 09:48:25,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:48:25,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:48:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:48:25,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:48:25,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:48:25,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410805743] [2021-11-09 09:48:25,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410805743] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:48:25,165 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:48:25,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:48:25,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52180504] [2021-11-09 09:48:25,168 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 09:48:25,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:48:25,169 INFO L85 PathProgramCache]: Analyzing trace with hash 56828, now seen corresponding path program 1 times [2021-11-09 09:48:25,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:48:25,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454782687] [2021-11-09 09:48:25,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:48:25,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:48:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:48:25,178 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:48:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:48:25,196 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:48:25,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:48:25,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:48:25,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:48:25,304 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-11-09 09:48:25,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:48:25,323 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2021-11-09 09:48:25,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:48:25,324 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2021-11-09 09:48:25,325 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-09 09:48:25,325 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 10 transitions. [2021-11-09 09:48:25,326 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-11-09 09:48:25,326 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-11-09 09:48:25,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2021-11-09 09:48:25,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:48:25,327 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-11-09 09:48:25,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2021-11-09 09:48:25,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-09 09:48:25,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:48:25,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2021-11-09 09:48:25,329 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-11-09 09:48:25,330 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-11-09 09:48:25,330 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-09 09:48:25,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2021-11-09 09:48:25,333 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-09 09:48:25,333 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:48:25,333 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:48:25,333 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-09 09:48:25,333 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-09 09:48:25,334 INFO L791 eck$LassoCheckResult]: Stem: 150#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(19);~N~0 := 0; 151#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~mem4, main_~i~0, main_~k~0, main_~#a~0.base, main_~#a~0.offset;~N~0 := main_#t~nondet3;havoc main_#t~nondet3; 146#L18 assume ~N~0 > 0;havoc main_~i~0;havoc main_~k~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(4 * ~N~0);main_~i~0 := 0;main_~k~0 := 0; 147#L23-2 assume !!(main_~i~0 < ~N~0);call write~int(main_~k~0, main_~#a~0.base, main_~#a~0.offset + 4 * main_~k~0, 4);main_~i~0 := 1 + main_~i~0;main_~k~0 := 1 + main_~k~0; 152#L23-2 assume !(main_~i~0 < ~N~0); 153#L23-3 main_~i~0 := 0; 154#L29-2 [2021-11-09 09:48:25,334 INFO L793 eck$LassoCheckResult]: Loop: 154#L29-2 assume !!(main_~i~0 < ~N~0);call main_#t~mem4 := read~int(main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem4 == main_~i~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 148#L13 assume !(0 == __VERIFIER_assert_~cond); 149#L13-3 havoc main_#t~mem4;main_~i~0 := 1 + main_~i~0; 154#L29-2 [2021-11-09 09:48:25,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:48:25,335 INFO L85 PathProgramCache]: Analyzing trace with hash 889513522, now seen corresponding path program 1 times [2021-11-09 09:48:25,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:48:25,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288110084] [2021-11-09 09:48:25,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:48:25,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:48:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:48:25,373 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:48:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:48:25,410 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:48:25,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:48:25,410 INFO L85 PathProgramCache]: Analyzing trace with hash 56828, now seen corresponding path program 2 times [2021-11-09 09:48:25,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:48:25,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311035556] [2021-11-09 09:48:25,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:48:25,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:48:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:48:25,429 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:48:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:48:25,438 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:48:25,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:48:25,438 INFO L85 PathProgramCache]: Analyzing trace with hash -450855381, now seen corresponding path program 1 times [2021-11-09 09:48:25,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:48:25,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073359973] [2021-11-09 09:48:25,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:48:25,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:48:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:48:25,483 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:48:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:48:25,506 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:48:25,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-09 09:48:26,050 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:48:26,051 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:48:26,051 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:48:26,051 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:48:26,051 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 09:48:26,051 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:26,051 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:48:26,051 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:48:26,051 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_shadowinit.i_Iteration3_Lasso [2021-11-09 09:48:26,052 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:48:26,052 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:48:26,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:48:26,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:48:26,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:48:26,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:48:26,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:48:26,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:48:26,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:48:26,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:48:26,461 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:48:26,462 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 09:48:26,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:26,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:48:26,464 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:48:26,467 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 [2021-11-09 09:48:26,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:48:26,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:48:26,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:48:26,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:48:26,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:48:26,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:48:26,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:48:26,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-09 09:48:26,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:48:26,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-09 09:48:26,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:26,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:48:26,529 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:48:26,535 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 [2021-11-09 09:48:26,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:48:26,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:48:26,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:48:26,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:48:26,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:48:26,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:48:26,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:48:26,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-09 09:48:26,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:48:26,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-09 09:48:26,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:26,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:48:26,601 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:48:26,607 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 [2021-11-09 09:48:26,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:48:26,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:48:26,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:48:26,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:48:26,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:48:26,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:48:26,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-09 09:48:26,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:48:26,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-09 09:48:26,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:26,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:48:26,676 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:48:26,681 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 [2021-11-09 09:48:26,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:48:26,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:48:26,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:48:26,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:48:26,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:48:26,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:48:26,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-09 09:48:26,721 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 09:48:26,758 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-11-09 09:48:26,759 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-11-09 09:48:26,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:48:26,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:48:26,761 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:48:26,766 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 09:48:26,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-09 09:48:26,781 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-09 09:48:26,781 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 09:48:26,781 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~#a~0.offset, ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#a~0.base)_2) = -1*ULTIMATE.start_main_~#a~0.offset - 4*ULTIMATE.start_main_~i~0 + 2*v_rep(select #length ULTIMATE.start_main_~#a~0.base)_2 Supporting invariants [] [2021-11-09 09:48:26,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-09 09:48:26,842 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2021-11-09 09:48:26,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:48:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:48:26,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 09:48:26,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:48:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:48:26,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-09 09:48:26,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:48:26,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-09 09:48:26,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:48:26,985 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 [2021-11-09 09:48:26,985 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:48:27,000 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 14 transitions. Complement of second has 4 states. [2021-11-09 09:48:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-09 09:48:27,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:48:27,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2021-11-09 09:48:27,002 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 3 letters. [2021-11-09 09:48:27,002 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:48:27,002 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 3 letters. [2021-11-09 09:48:27,003 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:48:27,003 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 6 letters. [2021-11-09 09:48:27,003 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:48:27,003 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2021-11-09 09:48:27,007 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 09:48:27,008 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2021-11-09 09:48:27,008 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-09 09:48:27,008 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-09 09:48:27,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-09 09:48:27,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:48:27,009 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:48:27,009 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:48:27,010 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:48:27,010 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-09 09:48:27,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-09 09:48:27,016 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 09:48:27,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-09 09:48:27,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 09:48:27 BoogieIcfgContainer [2021-11-09 09:48:27,022 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-09 09:48:27,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 09:48:27,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 09:48:27,023 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 09:48:27,023 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:48:22" (3/4) ... [2021-11-09 09:48:27,027 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 09:48:27,027 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 09:48:27,029 INFO L168 Benchmark]: Toolchain (without parser) took 5436.19 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 71.8 MB in the beginning and 100.6 MB in the end (delta: -28.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:48:27,029 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 104.9 MB. Free memory was 56.9 MB in the beginning and 56.9 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:48:27,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.30 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 71.5 MB in the beginning and 109.4 MB in the end (delta: -37.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:48:27,035 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.46 ms. Allocated memory is still 134.2 MB. Free memory was 109.4 MB in the beginning and 108.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:48:27,036 INFO L168 Benchmark]: Boogie Preprocessor took 44.65 ms. Allocated memory is still 134.2 MB. Free memory was 108.0 MB in the beginning and 106.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:48:27,036 INFO L168 Benchmark]: RCFGBuilder took 295.13 ms. Allocated memory is still 134.2 MB. Free memory was 106.6 MB in the beginning and 96.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 09:48:27,037 INFO L168 Benchmark]: BuchiAutomizer took 4743.03 ms. Allocated memory is still 134.2 MB. Free memory was 96.7 MB in the beginning and 100.6 MB in the end (delta: -4.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:48:27,037 INFO L168 Benchmark]: Witness Printer took 4.05 ms. Allocated memory is still 134.2 MB. Free memory is still 100.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:48:27,049 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 104.9 MB. Free memory was 56.9 MB in the beginning and 56.9 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 298.30 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 71.5 MB in the beginning and 109.4 MB in the end (delta: -37.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.46 ms. Allocated memory is still 134.2 MB. Free memory was 109.4 MB in the beginning and 108.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.65 ms. Allocated memory is still 134.2 MB. Free memory was 108.0 MB in the beginning and 106.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 295.13 ms. Allocated memory is still 134.2 MB. Free memory was 106.6 MB in the beginning and 96.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4743.03 ms. Allocated memory is still 134.2 MB. Free memory was 96.7 MB in the beginning and 100.6 MB in the end (delta: -4.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.05 ms. Allocated memory is still 134.2 MB. Free memory is still 100.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[a] + -4 * k and consists of 4 locations. One deterministic module has affine ranking function -1 * a + -4 * i + 2 * unknown-#length-unknown[a] and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 9 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 28 SDtfs, 19 SDslu, 8 SDs, 0 SdLazy, 17 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital176 mio100 ax100 hnf99 lsp93 ukn62 mio100 lsp59 div100 bol100 ite100 ukn100 eq171 hnf93 smp100 dnf100 smp100 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 50ms VariablesStem: 1 VariablesLoop: 1 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! [2021-11-09 09:48:27,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec947e0d-8bc0-46c8-8faa-f427b70fef8b/bin/uautomizer-IVEQpCNsaX/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