./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.17-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.17-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 93cff60adb183fef3af5f3af7541e684acb33c49f5e09dc255d0e19d271c8517 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:19:32,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:19:32,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:19:32,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:19:32,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:19:32,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:19:32,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:19:32,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:19:32,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:19:32,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:19:32,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:19:32,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:19:32,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:19:32,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:19:32,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:19:32,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:19:32,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:19:32,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:19:32,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:19:32,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:19:32,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:19:32,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:19:32,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:19:32,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:19:32,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:19:32,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:19:32,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:19:32,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:19:32,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:19:32,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:19:32,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:19:32,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:19:32,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:19:32,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:19:32,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:19:32,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:19:32,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:19:32,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:19:32,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:19:32,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:19:32,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:19:32,256 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 09:19:32,291 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:19:32,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:19:32,292 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:19:32,292 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:19:32,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:19:32,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:19:32,294 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:19:32,294 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:19:32,295 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:19:32,295 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:19:32,295 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:19:32,295 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:19:32,295 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:19:32,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:19:32,296 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:19:32,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:19:32,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:19:32,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:19:32,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:19:32,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:19:32,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:19:32,297 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:19:32,297 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:19:32,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:19:32,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:19:32,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:19:32,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:19:32,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:19:32,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:19:32,304 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:19:32,306 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_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93cff60adb183fef3af5f3af7541e684acb33c49f5e09dc255d0e19d271c8517 [2021-10-28 09:19:32,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:19:32,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:19:32,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:19:32,693 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:19:32,694 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:19:32,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-memory-alloca/b.17-alloca.i [2021-10-28 09:19:32,800 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/data/fb7c55f3e/30716141fd2f40d88be0f46493c7f1c1/FLAGbdc96e6cb [2021-10-28 09:19:33,459 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:19:33,460 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/sv-benchmarks/c/termination-memory-alloca/b.17-alloca.i [2021-10-28 09:19:33,483 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/data/fb7c55f3e/30716141fd2f40d88be0f46493c7f1c1/FLAGbdc96e6cb [2021-10-28 09:19:33,741 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/data/fb7c55f3e/30716141fd2f40d88be0f46493c7f1c1 [2021-10-28 09:19:33,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:19:33,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:19:33,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:19:33,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:19:33,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:19:33,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:19:33" (1/1) ... [2021-10-28 09:19:33,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff00ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:33, skipping insertion in model container [2021-10-28 09:19:33,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:19:33" (1/1) ... [2021-10-28 09:19:33,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:19:33,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:19:34,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:19:34,232 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:19:34,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:19:34,329 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:19:34,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:34 WrapperNode [2021-10-28 09:19:34,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:19:34,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:19:34,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:19:34,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:19:34,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:34" (1/1) ... [2021-10-28 09:19:34,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:34" (1/1) ... [2021-10-28 09:19:34,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:19:34,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:19:34,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:19:34,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:19:34,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:34" (1/1) ... [2021-10-28 09:19:34,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:34" (1/1) ... [2021-10-28 09:19:34,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:34" (1/1) ... [2021-10-28 09:19:34,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:34" (1/1) ... [2021-10-28 09:19:34,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:34" (1/1) ... [2021-10-28 09:19:34,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:34" (1/1) ... [2021-10-28 09:19:34,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:34" (1/1) ... [2021-10-28 09:19:34,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:19:34,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:19:34,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:19:34,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:19:34,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:34" (1/1) ... [2021-10-28 09:19:34,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:34,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:34,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:34,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:19:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:19:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:19:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:19:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:19:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:19:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:19:34,887 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:19:34,888 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-28 09:19:34,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:19:34 BoogieIcfgContainer [2021-10-28 09:19:34,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:19:34,906 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:19:34,906 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:19:34,911 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:19:34,912 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:19:34,912 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:19:33" (1/3) ... [2021-10-28 09:19:34,914 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ce7f3f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:19:34, skipping insertion in model container [2021-10-28 09:19:34,914 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:19:34,914 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:19:34" (2/3) ... [2021-10-28 09:19:34,915 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ce7f3f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:19:34, skipping insertion in model container [2021-10-28 09:19:34,915 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:19:34,916 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:19:34" (3/3) ... [2021-10-28 09:19:34,917 INFO L389 chiAutomizerObserver]: Analyzing ICFG b.17-alloca.i [2021-10-28 09:19:34,976 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:19:34,976 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:19:34,976 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:19:34,976 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:19:34,977 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:19:34,977 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:19:34,977 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:19:34,977 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:19:35,004 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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) [2021-10-28 09:19:35,027 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:19:35,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:19:35,028 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:19:35,035 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:19:35,035 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:19:35,035 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:19:35,036 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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) [2021-10-28 09:19:35,037 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:19:35,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:19:35,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:19:35,038 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:19:35,038 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:19:35,047 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet13, main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem10, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 9#L557-3true [2021-10-28 09:19:35,047 INFO L793 eck$LassoCheckResult]: Loop: 9#L557-3true call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 10#L557-1true assume !!(test_fun_#t~mem6 > test_fun_#t~mem7);havoc test_fun_#t~mem6;havoc test_fun_#t~mem7; 5#L558-3true assume !true; 12#L558-4true call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 9#L557-3true [2021-10-28 09:19:35,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:35,055 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 09:19:35,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:35,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122367288] [2021-10-28 09:19:35,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:35,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:35,265 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:19:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:35,331 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:19:35,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:35,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1144360, now seen corresponding path program 1 times [2021-10-28 09:19:35,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:35,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663208987] [2021-10-28 09:19:35,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:35,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:19:35,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:19:35,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:19:35,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663208987] [2021-10-28 09:19:35,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663208987] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:19:35,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:19:35,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:19:35,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314811376] [2021-10-28 09:19:35,406 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:19:35,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:19:35,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:19:35,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:19:35,430 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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) [2021-10-28 09:19:35,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:19:35,441 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2021-10-28 09:19:35,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:19:35,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2021-10-28 09:19:35,446 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:19:35,450 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 7 states and 8 transitions. [2021-10-28 09:19:35,451 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-10-28 09:19:35,452 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-10-28 09:19:35,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2021-10-28 09:19:35,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:19:35,455 INFO L681 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2021-10-28 09:19:35,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2021-10-28 09:19:35,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-10-28 09:19:35,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:19:35,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2021-10-28 09:19:35,490 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2021-10-28 09:19:35,490 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2021-10-28 09:19:35,491 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:19:35,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2021-10-28 09:19:35,493 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:19:35,493 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:19:35,494 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:19:35,494 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:19:35,494 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:19:35,495 INFO L791 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 33#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet13, main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem10, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 37#L557-3 [2021-10-28 09:19:35,495 INFO L793 eck$LassoCheckResult]: Loop: 37#L557-3 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 38#L557-1 assume !!(test_fun_#t~mem6 > test_fun_#t~mem7);havoc test_fun_#t~mem6;havoc test_fun_#t~mem7; 34#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 35#L558-1 assume !(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9; 36#L558-4 call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 37#L557-3 [2021-10-28 09:19:35,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:35,499 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-10-28 09:19:35,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:35,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729454066] [2021-10-28 09:19:35,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:35,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:35,588 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:19:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:35,652 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:19:35,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:35,654 INFO L85 PathProgramCache]: Analyzing trace with hash 35468273, now seen corresponding path program 1 times [2021-10-28 09:19:35,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:35,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330953935] [2021-10-28 09:19:35,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:35,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:35,676 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:19:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:35,696 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:19:35,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:35,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907759, now seen corresponding path program 1 times [2021-10-28 09:19:35,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:35,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592790598] [2021-10-28 09:19:35,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:35,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:35,786 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:19:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:35,868 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:19:37,539 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:19:37,539 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:19:37,540 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:19:37,540 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:19:37,540 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:19:37,540 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:37,541 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:19:37,541 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:19:37,541 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.17-alloca.i_Iteration2_Lasso [2021-10-28 09:19:37,541 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:19:37,542 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:19:37,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:37,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:37,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:37,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:37,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:37,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:37,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:37,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:37,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:37,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:37,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:37,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:38,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:38,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:38,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:38,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:38,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:39,142 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:19:39,147 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:19:39,149 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:39,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:39,159 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:39,166 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 [2021-10-28 09:19:39,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:39,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:19:39,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:39,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:39,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:39,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:19:39,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:19:39,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:19:39,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:39,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:39,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:39,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:39,226 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:39,254 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 [2021-10-28 09:19:39,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:39,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:19:39,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:39,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:39,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:39,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:19:39,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:19:39,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:19:39,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:39,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:39,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:39,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:39,311 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:39,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:19:39,316 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 [2021-10-28 09:19:39,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:39,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:39,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:39,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:39,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:39,330 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:39,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:39,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:39,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:39,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:39,378 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:39,385 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 [2021-10-28 09:19:39,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:39,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:39,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:39,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:39,404 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:39,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:39,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:19:39,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:39,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:39,459 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:39,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:39,461 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:39,470 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 [2021-10-28 09:19:39,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:39,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:39,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:39,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:39,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:39,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:39,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:19:39,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:39,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:39,515 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:39,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:39,516 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:39,521 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 [2021-10-28 09:19:39,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:39,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:39,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:39,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:39,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:39,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:39,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:19:39,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:39,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:39,590 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:39,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:39,592 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:39,602 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 [2021-10-28 09:19:39,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:39,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:19:39,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:39,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:39,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:39,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:19:39,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:19:39,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:19:39,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:39,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:39,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:39,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:39,676 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:39,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:19:39,679 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 [2021-10-28 09:19:39,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:39,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:19:39,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:39,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:39,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:39,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:19:39,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:19:39,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:39,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:39,722 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:39,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:39,723 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:39,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:19:39,726 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 [2021-10-28 09:19:39,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:39,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:19:39,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:39,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:39,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:39,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:19:39,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:19:39,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:39,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:39,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:39,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:39,779 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:39,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:19:39,781 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 [2021-10-28 09:19:39,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:39,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:19:39,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:39,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:39,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:39,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:19:39,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:19:39,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:39,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:39,818 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:39,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:39,820 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:39,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:19:39,823 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 [2021-10-28 09:19:39,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:39,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:39,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:39,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:39,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:39,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:39,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:39,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-10-28 09:19:39,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:39,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:39,887 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:39,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:19:39,889 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 [2021-10-28 09:19:39,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:39,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:39,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:39,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:39,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:39,902 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:39,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:39,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:39,950 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:39,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:39,951 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:39,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:19:39,953 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 [2021-10-28 09:19:39,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:39,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:39,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:39,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:39,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:39,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:39,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:40,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:40,026 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:40,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:40,027 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:40,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:19:40,030 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 [2021-10-28 09:19:40,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:40,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:40,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:40,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:40,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:40,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:40,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:40,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:40,115 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:40,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:40,116 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:40,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:19:40,118 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 [2021-10-28 09:19:40,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:40,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:40,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:40,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:40,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:40,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:40,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:40,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:40,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:40,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:40,177 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:40,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:19:40,179 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 [2021-10-28 09:19:40,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:40,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:40,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:40,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:40,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:40,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:40,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:40,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:40,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:40,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:40,220 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:40,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:19:40,222 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 [2021-10-28 09:19:40,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:40,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:40,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:40,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:40,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:40,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:40,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:40,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-10-28 09:19:40,264 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:40,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:40,265 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:40,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:19:40,272 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 [2021-10-28 09:19:40,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:40,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:40,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:40,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:40,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:40,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:40,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:40,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:40,365 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:40,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:40,367 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:40,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:19:40,374 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 [2021-10-28 09:19:40,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:40,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:40,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:40,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:40,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:40,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:40,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:40,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:40,433 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:40,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:40,434 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:40,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:19:40,450 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 [2021-10-28 09:19:40,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:40,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:40,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:40,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:40,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:40,466 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:40,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:40,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:40,521 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:40,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:40,522 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:40,529 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 [2021-10-28 09:19:40,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:40,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:40,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:40,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:40,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:19:40,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:40,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:40,580 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:19:40,611 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-28 09:19:40,611 INFO L444 ModelExtractionUtils]: 34 out of 40 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-28 09:19:40,613 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:40,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:40,631 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:40,634 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:19:40,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:19:40,658 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:19:40,658 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:19:40,659 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2021-10-28 09:19:40,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:41,011 INFO L297 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2021-10-28 09:19:41,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:19:41,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:19:41,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:19:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:19:41,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 09:19:41,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:19:41,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:19:41,423 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2021-10-28 09:19:41,424 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:19:41,604 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 20 transitions. Complement of second has 11 states. [2021-10-28 09:19:41,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2021-10-28 09:19:41,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:19:41,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2021-10-28 09:19:41,608 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 7 transitions. Stem has 2 letters. Loop has 5 letters. [2021-10-28 09:19:41,609 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:19:41,609 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 7 transitions. Stem has 7 letters. Loop has 5 letters. [2021-10-28 09:19:41,609 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:19:41,609 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 7 transitions. Stem has 2 letters. Loop has 10 letters. [2021-10-28 09:19:41,610 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:19:41,614 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2021-10-28 09:19:41,618 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:19:41,619 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 16 states and 19 transitions. [2021-10-28 09:19:41,619 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-28 09:19:41,620 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-28 09:19:41,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2021-10-28 09:19:41,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:19:41,620 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-10-28 09:19:41,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2021-10-28 09:19:41,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-28 09:19:41,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 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) [2021-10-28 09:19:41,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-10-28 09:19:41,625 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-10-28 09:19:41,625 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-10-28 09:19:41,625 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:19:41,625 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2021-10-28 09:19:41,627 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:19:41,627 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:19:41,627 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:19:41,628 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:19:41,628 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:19:41,628 INFO L791 eck$LassoCheckResult]: Stem: 260#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 261#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet13, main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem10, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 268#L557-3 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 270#L557-1 assume !!(test_fun_#t~mem6 > test_fun_#t~mem7);havoc test_fun_#t~mem6;havoc test_fun_#t~mem7; 262#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 263#L558-1 assume !!(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem10 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem10; 266#L558-3 [2021-10-28 09:19:41,628 INFO L793 eck$LassoCheckResult]: Loop: 266#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 274#L558-1 assume !!(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem10 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem10; 266#L558-3 [2021-10-28 09:19:41,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:41,630 INFO L85 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2021-10-28 09:19:41,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:41,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080602994] [2021-10-28 09:19:41,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:41,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:41,700 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:19:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:41,768 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:19:41,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:41,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1510, now seen corresponding path program 1 times [2021-10-28 09:19:41,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:41,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113853634] [2021-10-28 09:19:41,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:41,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:41,789 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:19:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:41,796 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:19:41,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:41,800 INFO L85 PathProgramCache]: Analyzing trace with hash 179567346, now seen corresponding path program 2 times [2021-10-28 09:19:41,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:41,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381360934] [2021-10-28 09:19:41,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:41,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:41,837 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:19:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:41,891 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:19:41,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:44,289 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:19:44,289 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:19:44,290 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:19:44,290 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:19:44,290 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:19:44,290 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:44,290 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:19:44,290 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:19:44,290 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.17-alloca.i_Iteration3_Lasso [2021-10-28 09:19:44,290 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:19:44,290 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:19:44,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:44,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:44,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:44,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:45,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:45,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:45,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:45,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:45,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:45,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:45,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:45,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:45,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:45,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:45,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:45,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:45,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:45,829 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:19:45,830 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:19:45,830 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:45,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:45,834 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:45,837 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 [2021-10-28 09:19:45,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:45,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:19:45,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:45,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:45,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:45,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:19:45,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:19:45,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:19:45,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:45,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:45,898 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:45,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:45,901 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:45,905 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 [2021-10-28 09:19:45,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:45,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:19:45,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:45,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:45,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:45,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:19:45,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:19:45,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:19:45,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:45,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-28 09:19:45,943 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:45,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:45,944 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:45,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:19:45,947 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 [2021-10-28 09:19:45,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:45,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:45,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:45,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:45,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:45,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:45,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:45,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-28 09:19:45,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:45,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:45,986 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:45,987 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 [2021-10-28 09:19:45,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:19:45,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:45,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:45,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:45,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:45,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:45,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:46,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:46,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:46,038 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:46,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:46,039 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:46,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:19:46,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 09:19:46,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:46,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:46,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:46,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:46,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:46,070 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:46,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:46,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:46,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:46,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:46,136 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:46,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 09:19:46,144 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 [2021-10-28 09:19:46,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:46,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:46,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:46,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:46,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:46,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:46,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:46,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:46,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:46,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:46,208 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:46,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 09:19:46,210 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 [2021-10-28 09:19:46,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:46,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:46,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:46,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:46,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:46,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:46,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:46,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:46,262 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:46,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:46,264 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:46,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:19:46,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 09:19:46,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:46,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:46,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:46,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:46,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:46,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:46,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:46,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-28 09:19:46,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:46,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:46,309 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:46,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 09:19:46,312 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 [2021-10-28 09:19:46,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:46,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:46,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:46,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:46,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:46,324 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:46,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:46,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:46,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:46,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:46,354 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:46,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 09:19:46,356 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 [2021-10-28 09:19:46,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:46,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:46,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:46,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:46,366 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:46,366 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:46,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:46,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:46,434 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:46,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:46,445 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:46,447 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 [2021-10-28 09:19:46,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:46,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:46,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:46,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:46,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 09:19:46,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:46,470 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:46,492 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:19:46,516 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 09:19:46,516 INFO L444 ModelExtractionUtils]: 34 out of 40 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-28 09:19:46,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:46,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:46,519 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:46,525 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:19:46,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 09:19:46,557 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:19:46,557 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:19:46,557 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_2 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2 Supporting invariants [] [2021-10-28 09:19:46,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:46,819 INFO L297 tatePredicateManager]: 40 out of 40 supporting invariants were superfluous and have been removed [2021-10-28 09:19:46,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:19:46,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:19:46,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:19:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:19:46,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:19:46,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:19:46,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:19:46,945 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 [2021-10-28 09:19:46,945 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:19:46,976 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 27 transitions. Complement of second has 7 states. [2021-10-28 09:19:46,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:19:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:19:46,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2021-10-28 09:19:46,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-28 09:19:46,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:19:46,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 8 letters. Loop has 2 letters. [2021-10-28 09:19:46,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:19:46,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-28 09:19:46,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:19:46,981 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2021-10-28 09:19:46,987 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:19:46,989 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 21 states and 26 transitions. [2021-10-28 09:19:46,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 09:19:46,990 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 09:19:46,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. [2021-10-28 09:19:46,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:19:46,990 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-10-28 09:19:46,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. [2021-10-28 09:19:46,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2021-10-28 09:19:46,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:19:46,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-10-28 09:19:46,997 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-10-28 09:19:46,997 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-10-28 09:19:46,997 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:19:46,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2021-10-28 09:19:46,998 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:19:46,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:19:46,999 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:19:47,000 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2021-10-28 09:19:47,000 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:19:47,000 INFO L791 eck$LassoCheckResult]: Stem: 506#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 507#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet13, main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem10, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 520#L557-3 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 519#L557-1 assume !!(test_fun_#t~mem6 > test_fun_#t~mem7);havoc test_fun_#t~mem6;havoc test_fun_#t~mem7; 525#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 513#L558-1 assume !!(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem10 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem10; 514#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 512#L558-1 assume !(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9; 522#L558-4 [2021-10-28 09:19:47,001 INFO L793 eck$LassoCheckResult]: Loop: 522#L558-4 call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 515#L557-3 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 516#L557-1 assume !!(test_fun_#t~mem6 > test_fun_#t~mem7);havoc test_fun_#t~mem6;havoc test_fun_#t~mem7; 508#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 509#L558-1 assume !(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9; 522#L558-4 [2021-10-28 09:19:47,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:47,001 INFO L85 PathProgramCache]: Analyzing trace with hash 179567344, now seen corresponding path program 1 times [2021-10-28 09:19:47,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:47,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29206661] [2021-10-28 09:19:47,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:47,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:47,058 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:19:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:47,112 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:19:47,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:47,113 INFO L85 PathProgramCache]: Analyzing trace with hash 52861313, now seen corresponding path program 2 times [2021-10-28 09:19:47,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:47,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058842514] [2021-10-28 09:19:47,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:47,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:47,134 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:19:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:47,152 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:19:47,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:47,153 INFO L85 PathProgramCache]: Analyzing trace with hash -474670094, now seen corresponding path program 1 times [2021-10-28 09:19:47,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:47,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668954988] [2021-10-28 09:19:47,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:47,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:47,214 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:19:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:47,282 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:19:48,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:49,917 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:19:49,917 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:19:49,917 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:19:49,917 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:19:49,917 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:19:49,917 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:49,917 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:19:49,917 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:19:49,917 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.17-alloca.i_Iteration4_Lasso [2021-10-28 09:19:49,918 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:19:49,918 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:19:49,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:49,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:49,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:49,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:49,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:49,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:49,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:50,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:50,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:50,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:50,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:50,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:50,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:50,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:50,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:50,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:50,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:19:51,468 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:19:51,468 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:19:51,469 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:51,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:51,474 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:51,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 09:19:51,476 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 [2021-10-28 09:19:51,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:51,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:19:51,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:51,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:51,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:51,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:19:51,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:19:51,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:51,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:51,513 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:51,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:51,514 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:51,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 09:19:51,517 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 [2021-10-28 09:19:51,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:51,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:51,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:51,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:51,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:51,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:51,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:51,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-28 09:19:51,554 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:51,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:51,555 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:51,558 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 [2021-10-28 09:19:51,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:51,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:19:51,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:51,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:51,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:51,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:19:51,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:19:51,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 09:19:51,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:51,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:51,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:51,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:51,601 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:51,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 09:19:51,603 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 [2021-10-28 09:19:51,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:51,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:19:51,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:51,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:51,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:51,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:19:51,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:19:51,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:51,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-28 09:19:51,638 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:51,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:51,639 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:51,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 09:19:51,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:19:51,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:51,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:19:51,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:51,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:51,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:51,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:19:51,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:19:51,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:51,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-28 09:19:51,677 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:51,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:51,677 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:51,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 09:19:51,689 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 [2021-10-28 09:19:51,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:51,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:51,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:51,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:51,700 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:51,700 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:51,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:51,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-28 09:19:51,727 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:51,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:51,729 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:51,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 09:19:51,730 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 [2021-10-28 09:19:51,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:51,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:51,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:51,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:51,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:51,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:51,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:51,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-28 09:19:51,768 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:51,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:51,769 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:51,770 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 [2021-10-28 09:19:51,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 09:19:51,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:51,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:51,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:51,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:51,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:51,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:51,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:51,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-28 09:19:51,807 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:51,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:51,808 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:51,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 09:19:51,809 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 [2021-10-28 09:19:51,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:51,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:51,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:51,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:51,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:51,818 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:51,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:19:51,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:51,843 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:51,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:51,844 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:51,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 09:19:51,848 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 [2021-10-28 09:19:51,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:19:51,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:19:51,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:19:51,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:19:51,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:19:51,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:19:51,892 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:19:51,921 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-10-28 09:19:51,921 INFO L444 ModelExtractionUtils]: 12 out of 40 variables were initially zero. Simplification set additionally 25 variables to zero. [2021-10-28 09:19:51,921 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:19:51,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:51,929 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:19:51,930 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:19:51,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 09:19:51,961 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:19:51,961 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:19:51,961 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_3, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_3 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_3 Supporting invariants [] [2021-10-28 09:19:51,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:52,170 INFO L297 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2021-10-28 09:19:52,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:19:52,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:19:52,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:19:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:19:52,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 09:19:52,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:19:52,304 INFO L354 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2021-10-28 09:19:52,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 42 [2021-10-28 09:19:52,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:19:52,643 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2021-10-28 09:19:52,643 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:19:52,815 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 59 states and 71 transitions. Complement of second has 13 states. [2021-10-28 09:19:52,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2021-10-28 09:19:52,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:19:52,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 16 transitions. [2021-10-28 09:19:52,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 8 letters. Loop has 5 letters. [2021-10-28 09:19:52,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:19:52,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 13 letters. Loop has 5 letters. [2021-10-28 09:19:52,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:19:52,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 8 letters. Loop has 10 letters. [2021-10-28 09:19:52,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:19:52,818 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 71 transitions. [2021-10-28 09:19:52,821 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-28 09:19:52,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 55 states and 67 transitions. [2021-10-28 09:19:52,822 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-10-28 09:19:52,823 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-28 09:19:52,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 67 transitions. [2021-10-28 09:19:52,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:19:52,823 INFO L681 BuchiCegarLoop]: Abstraction has 55 states and 67 transitions. [2021-10-28 09:19:52,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 67 transitions. [2021-10-28 09:19:52,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2021-10-28 09:19:52,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.25) internal successors, (60), 47 states have internal predecessors, (60), 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) [2021-10-28 09:19:52,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 60 transitions. [2021-10-28 09:19:52,830 INFO L704 BuchiCegarLoop]: Abstraction has 48 states and 60 transitions. [2021-10-28 09:19:52,830 INFO L587 BuchiCegarLoop]: Abstraction has 48 states and 60 transitions. [2021-10-28 09:19:52,830 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 09:19:52,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 60 transitions. [2021-10-28 09:19:52,832 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-28 09:19:52,832 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:19:52,832 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:19:52,833 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:19:52,833 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1] [2021-10-28 09:19:52,833 INFO L791 eck$LassoCheckResult]: Stem: 825#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 826#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet13, main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem10, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 838#L557-3 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 852#L557-1 assume !!(test_fun_#t~mem6 > test_fun_#t~mem7);havoc test_fun_#t~mem6;havoc test_fun_#t~mem7; 851#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 850#L558-1 assume !!(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem10 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem10; 847#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 846#L558-1 assume !(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9; 845#L558-4 call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 843#L557-3 [2021-10-28 09:19:52,834 INFO L793 eck$LassoCheckResult]: Loop: 843#L557-3 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 868#L557-1 assume !!(test_fun_#t~mem6 > test_fun_#t~mem7);havoc test_fun_#t~mem6;havoc test_fun_#t~mem7; 867#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 831#L558-1 assume !!(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem10 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem10; 832#L558-3 call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 871#L558-1 assume !(test_fun_#t~mem8 > test_fun_#t~mem9);havoc test_fun_#t~mem8;havoc test_fun_#t~mem9; 842#L558-4 call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11; 843#L557-3 [2021-10-28 09:19:52,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:52,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1271620394, now seen corresponding path program 2 times [2021-10-28 09:19:52,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:52,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361805536] [2021-10-28 09:19:52,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:52,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:52,855 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:19:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:52,881 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:19:52,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:52,882 INFO L85 PathProgramCache]: Analyzing trace with hash -274676436, now seen corresponding path program 1 times [2021-10-28 09:19:52,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:52,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109843333] [2021-10-28 09:19:52,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:52,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:52,934 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:19:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:19:52,945 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:19:52,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:19:52,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1864355357, now seen corresponding path program 3 times [2021-10-28 09:19:52,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:19:52,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021538257] [2021-10-28 09:19:52,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:19:52,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:19:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:19:52,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:53,251 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 09:19:53,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:19:53,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021538257] [2021-10-28 09:19:53,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021538257] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:19:53,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101272338] [2021-10-28 09:19:53,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 09:19:53,253 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:19:53,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:19:53,254 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:19:53,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2021-10-28 09:19:53,378 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-10-28 09:19:53,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:19:53,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-28 09:19:53,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:19:53,424 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-28 09:19:53,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-10-28 09:19:53,637 INFO L354 Elim1Store]: treesize reduction 26, result has 43.5 percent of original size [2021-10-28 09:19:53,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 39 [2021-10-28 09:19:53,980 INFO L354 Elim1Store]: treesize reduction 16, result has 51.5 percent of original size [2021-10-28 09:19:53,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 33 [2021-10-28 09:19:54,041 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 09:19:54,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101272338] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:19:54,042 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:19:54,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2021-10-28 09:19:54,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133007738] [2021-10-28 09:19:54,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:19:54,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-28 09:19:54,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-10-28 09:19:54,272 INFO L87 Difference]: Start difference. First operand 48 states and 60 transitions. cyclomatic complexity: 18 Second operand has 15 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 15 states have internal predecessors, (28), 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) [2021-10-28 09:19:58,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:19:58,267 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2021-10-28 09:19:58,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:19:58,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 41 transitions. [2021-10-28 09:19:58,269 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:19:58,270 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2021-10-28 09:19:58,270 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:19:58,270 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:19:58,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:19:58,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:19:58,270 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:19:58,270 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:19:58,270 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:19:58,270 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 09:19:58,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:19:58,271 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:19:58,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:19:58,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:19:58 BoogieIcfgContainer [2021-10-28 09:19:58,280 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:19:58,280 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:19:58,281 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:19:58,281 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:19:58,282 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:19:34" (3/4) ... [2021-10-28 09:19:58,286 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:19:58,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:19:58,287 INFO L168 Benchmark]: Toolchain (without parser) took 24540.57 ms. Allocated memory was 86.0 MB in the beginning and 163.6 MB in the end (delta: 77.6 MB). Free memory was 46.2 MB in the beginning and 107.8 MB in the end (delta: -61.6 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:19:58,288 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory is still 63.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:19:58,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.86 ms. Allocated memory is still 86.0 MB. Free memory was 66.7 MB in the beginning and 58.5 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:19:58,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.28 ms. Allocated memory is still 86.0 MB. Free memory was 58.3 MB in the beginning and 56.5 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:19:58,290 INFO L168 Benchmark]: Boogie Preprocessor took 32.91 ms. Allocated memory is still 86.0 MB. Free memory was 56.5 MB in the beginning and 55.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:19:58,291 INFO L168 Benchmark]: RCFGBuilder took 469.82 ms. Allocated memory is still 86.0 MB. Free memory was 55.2 MB in the beginning and 44.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:19:58,292 INFO L168 Benchmark]: BuchiAutomizer took 23374.20 ms. Allocated memory was 86.0 MB in the beginning and 163.6 MB in the end (delta: 77.6 MB). Free memory was 44.2 MB in the beginning and 107.8 MB in the end (delta: -63.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:19:58,292 INFO L168 Benchmark]: Witness Printer took 5.78 ms. Allocated memory is still 163.6 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:19:58,295 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 86.0 MB. Free memory is still 63.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 564.86 ms. Allocated memory is still 86.0 MB. Free memory was 66.7 MB in the beginning and 58.5 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.28 ms. Allocated memory is still 86.0 MB. Free memory was 58.3 MB in the beginning and 56.5 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.91 ms. Allocated memory is still 86.0 MB. Free memory was 56.5 MB in the beginning and 55.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 469.82 ms. Allocated memory is still 86.0 MB. Free memory was 55.2 MB in the beginning and 44.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 23374.20 ms. Allocated memory was 86.0 MB in the beginning and 163.6 MB in the end (delta: 77.6 MB). Free memory was 44.2 MB in the beginning and 107.8 MB in the end (delta: -63.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.78 ms. Allocated memory is still 163.6 MB. Free memory is still 107.8 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 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[y_ref][y_ref] + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[z_ref][z_ref] + unknown-#memory_int-unknown[y_ref][y_ref] and consists of 4 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[y_ref][y_ref] + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 7 locations. 2 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 23.3s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 17.6s. Construction of modules took 2.1s. Büchi inclusion checks took 3.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 48 states and ocurred in iteration 4. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 33 SDtfs, 27 SDslu, 22 SDs, 0 SdLazy, 139 SolverSat, 29 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 2.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital884 mio100 ax102 hnf100 lsp96 ukn32 mio100 lsp34 div100 bol100 ite100 ukn100 eq186 hnf88 smp95 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:19:58,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2021-10-28 09:19:58,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89c65402-18c7-4b1c-81a6-960e534c95b2/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...