./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9e2ee8c77e7600963fc2d086d6a67558db7a0f7e2c16b0a6123902fd97149b36 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:02:23,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:02:23,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:02:23,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:02:23,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:02:23,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:02:23,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:02:23,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:02:23,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:02:23,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:02:23,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:02:23,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:02:23,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:02:23,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:02:23,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:02:23,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:02:23,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:02:23,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:02:23,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:02:23,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:02:23,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:02:23,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:02:23,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:02:23,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:02:23,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:02:23,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:02:23,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:02:23,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:02:23,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:02:23,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:02:23,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:02:23,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:02:23,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:02:23,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:02:23,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:02:23,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:02:23,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:02:23,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:02:23,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:02:23,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:02:23,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:02:23,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-07 01:02:23,225 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:02:23,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:02:23,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:02:23,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:02:23,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:02:23,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:02:23,227 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:02:23,227 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-07 01:02:23,228 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-07 01:02:23,228 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-07 01:02:23,228 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-07 01:02:23,228 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-07 01:02:23,228 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-07 01:02:23,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:02:23,228 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 01:02:23,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:02:23,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:02:23,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-07 01:02:23,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-07 01:02:23,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-07 01:02:23,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:02:23,229 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-07 01:02:23,229 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:02:23,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-07 01:02:23,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:02:23,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:02:23,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:02:23,230 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:02:23,230 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:02:23,231 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-07 01:02:23,231 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_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e2ee8c77e7600963fc2d086d6a67558db7a0f7e2c16b0a6123902fd97149b36 [2021-12-07 01:02:23,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:02:23,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:02:23,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:02:23,445 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:02:23,446 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:02:23,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca.i [2021-12-07 01:02:23,491 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/data/e57c254b8/f907e53e789e44159cda07a9011dd5c9/FLAG3d5af1352 [2021-12-07 01:02:23,970 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:02:23,970 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca.i [2021-12-07 01:02:23,979 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/data/e57c254b8/f907e53e789e44159cda07a9011dd5c9/FLAG3d5af1352 [2021-12-07 01:02:23,991 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/data/e57c254b8/f907e53e789e44159cda07a9011dd5c9 [2021-12-07 01:02:23,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:02:23,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:02:23,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:02:23,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:02:23,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:02:23,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:02:23" (1/1) ... [2021-12-07 01:02:23,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ad8e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:02:23, skipping insertion in model container [2021-12-07 01:02:23,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:02:23" (1/1) ... [2021-12-07 01:02:24,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:02:24,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:02:24,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:02:24,244 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:02:24,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:02:24,291 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:02:24,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:02:24 WrapperNode [2021-12-07 01:02:24,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:02:24,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:02:24,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:02:24,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:02:24,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:02:24" (1/1) ... [2021-12-07 01:02:24,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:02:24" (1/1) ... [2021-12-07 01:02:24,331 INFO L137 Inliner]: procedures = 109, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 71 [2021-12-07 01:02:24,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:02:24,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:02:24,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:02:24,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:02:24,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:02:24" (1/1) ... [2021-12-07 01:02:24,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:02:24" (1/1) ... [2021-12-07 01:02:24,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:02:24" (1/1) ... [2021-12-07 01:02:24,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:02:24" (1/1) ... [2021-12-07 01:02:24,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:02:24" (1/1) ... [2021-12-07 01:02:24,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:02:24" (1/1) ... [2021-12-07 01:02:24,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:02:24" (1/1) ... [2021-12-07 01:02:24,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:02:24,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:02:24,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:02:24,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:02:24,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:02:24" (1/1) ... [2021-12-07 01:02:24,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:24,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:02:24,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:02:24,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-07 01:02:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 01:02:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 01:02:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 01:02:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 01:02:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:02:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:02:24,491 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:02:24,492 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:02:24,621 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:02:24,626 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:02:24,627 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 01:02:24,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:02:24 BoogieIcfgContainer [2021-12-07 01:02:24,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:02:24,629 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-07 01:02:24,630 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-07 01:02:24,633 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-07 01:02:24,633 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 01:02:24,633 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 01:02:23" (1/3) ... [2021-12-07 01:02:24,634 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d8f1cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:02:24, skipping insertion in model container [2021-12-07 01:02:24,634 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 01:02:24,634 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:02:24" (2/3) ... [2021-12-07 01:02:24,635 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d8f1cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:02:24, skipping insertion in model container [2021-12-07 01:02:24,635 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 01:02:24,635 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:02:24" (3/3) ... [2021-12-07 01:02:24,636 INFO L388 chiAutomizerObserver]: Analyzing ICFG NoriSharma-2013FSE-Fig8-alloca.i [2021-12-07 01:02:24,677 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-07 01:02:24,677 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-07 01:02:24,677 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-07 01:02:24,677 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-07 01:02:24,677 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-07 01:02:24,677 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-07 01:02:24,677 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-07 01:02:24,677 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-07 01:02:24,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:24,703 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 01:02:24,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:02:24,703 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:02:24,707 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-07 01:02:24,708 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 01:02:24,708 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-07 01:02:24,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:24,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 01:02:24,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:02:24,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:02:24,709 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-07 01:02:24,710 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 01:02:24,715 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem12#1, main_#t~mem13#1, main_~u~0#1.base, main_~u~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~v~0#1.base, main_~v~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~w~0#1.base, main_~w~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~u~0#1.base, main_~u~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~v~0#1.base, main_~v~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~w~0#1.base, main_~w~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~u~0#1.base, main_~u~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem10#1, main_~v~0#1.base, main_~v~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~w~0#1.base, main_~w~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 8#L560-2true [2021-12-07 01:02:24,715 INFO L793 eck$LassoCheckResult]: Loop: 8#L560-2true call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 9#L558-1true assume !!(main_#t~mem12#1 >= main_#t~mem13#1);havoc main_#t~mem12#1;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem14#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4); 7#L560true assume !(main_#t~mem15#1 > 1);havoc main_#t~mem15#1;call main_#t~mem19#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(1 + main_#t~mem19#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem19#1; 8#L560-2true [2021-12-07 01:02:24,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:24,719 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-07 01:02:24,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:02:24,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471608764] [2021-12-07 01:02:24,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:02:24,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:02:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:02:24,953 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:02:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:02:25,015 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:02:25,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:25,017 INFO L85 PathProgramCache]: Analyzing trace with hash 36907, now seen corresponding path program 1 times [2021-12-07 01:02:25,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:02:25,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034324972] [2021-12-07 01:02:25,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:02:25,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:02:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:02:25,031 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:02:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:02:25,045 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:02:25,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:25,047 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2021-12-07 01:02:25,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:02:25,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870598960] [2021-12-07 01:02:25,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:02:25,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:02:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:02:25,158 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:02:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:02:25,189 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:02:27,693 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:02:27,694 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:02:27,694 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:02:27,694 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:02:27,694 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 01:02:27,694 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:27,694 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:02:27,695 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:02:27,695 INFO L133 ssoRankerPreferences]: Filename of dumped script: NoriSharma-2013FSE-Fig8-alloca.i_Iteration1_Lasso [2021-12-07 01:02:27,695 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:02:27,695 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:02:27,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:28,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:28,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:28,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:28,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:28,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:28,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:28,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:28,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:28,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:28,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:28,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:28,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:28,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:28,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:28,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:28,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:28,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:28,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:29,196 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:02:29,199 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 01:02:29,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:29,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:02:29,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:02:29,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-07 01:02:29,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:02:29,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:02:29,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:02:29,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:02:29,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:02:29,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:02:29,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:02:29,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:02:29,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:02:29,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:29,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:02:29,243 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:02:29,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-07 01:02:29,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:02:29,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:02:29,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:02:29,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:02:29,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:02:29,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:02:29,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:02:29,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:02:29,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-07 01:02:29,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:29,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:02:29,276 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:02:29,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-07 01:02:29,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:02:29,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:02:29,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:02:29,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:02:29,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:02:29,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:02:29,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:02:29,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:02:29,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-07 01:02:29,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:29,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:02:29,308 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:02:29,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-07 01:02:29,312 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 [2021-12-07 01:02:29,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:02:29,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:02:29,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:02:29,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:02:29,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:02:29,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:02:29,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:02:29,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-07 01:02:29,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:29,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:02:29,346 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:02:29,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-07 01:02:29,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:02:29,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:02:29,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:02:29,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:02:29,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:02:29,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:02:29,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:02:29,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:02:29,357 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 01:02:29,362 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-07 01:02:29,362 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-07 01:02:29,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:29,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:02:29,365 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:02:29,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-07 01:02:29,368 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 01:02:29,368 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-07 01:02:29,368 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 01:02:29,369 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1 - 2*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_1 + 1 Supporting invariants [] [2021-12-07 01:02:29,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-07 01:02:29,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-07 01:02:29,929 INFO L297 tatePredicateManager]: 107 out of 109 supporting invariants were superfluous and have been removed [2021-12-07 01:02:29,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:02:29,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 24 conjunts are in the unsatisfiable core [2021-12-07 01:02:29,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:02:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:02:30,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-07 01:02:30,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:02:30,096 INFO L354 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2021-12-07 01:02:30,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 61 [2021-12-07 01:02:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:02:30,357 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-07 01:02:30,358 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:30,426 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 32 transitions. Complement of second has 10 states. [2021-12-07 01:02:30,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-07 01:02:30,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:30,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2021-12-07 01:02:30,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 3 letters. [2021-12-07 01:02:30,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:02:30,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 3 letters. [2021-12-07 01:02:30,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:02:30,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 6 letters. [2021-12-07 01:02:30,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:02:30,434 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 32 transitions. [2021-12-07 01:02:30,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 01:02:30,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 11 states and 14 transitions. [2021-12-07 01:02:30,438 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-12-07 01:02:30,438 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-12-07 01:02:30,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2021-12-07 01:02:30,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 01:02:30,439 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-12-07 01:02:30,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2021-12-07 01:02:30,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-12-07 01:02:30,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:30,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2021-12-07 01:02:30,456 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-12-07 01:02:30,457 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-12-07 01:02:30,457 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-07 01:02:30,457 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2021-12-07 01:02:30,457 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 01:02:30,457 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:02:30,457 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:02:30,458 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-07 01:02:30,458 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 01:02:30,458 INFO L791 eck$LassoCheckResult]: Stem: 524#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 525#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem12#1, main_#t~mem13#1, main_~u~0#1.base, main_~u~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~v~0#1.base, main_~v~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~w~0#1.base, main_~w~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~u~0#1.base, main_~u~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~v~0#1.base, main_~v~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~w~0#1.base, main_~w~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~u~0#1.base, main_~u~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem10#1, main_~v~0#1.base, main_~v~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~w~0#1.base, main_~w~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 534#L560-2 call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 532#L558-1 assume !!(main_#t~mem12#1 >= main_#t~mem13#1);havoc main_#t~mem12#1;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem14#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4); 526#L560 assume main_#t~mem15#1 > 1;havoc main_#t~mem15#1;call main_#t~mem16#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem16#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem16#1;call main_#t~mem17#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem18#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem17#1 + main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem17#1;havoc main_#t~mem18#1; 527#L560-2 [2021-12-07 01:02:30,458 INFO L793 eck$LassoCheckResult]: Loop: 527#L560-2 call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 530#L558-1 assume !!(main_#t~mem12#1 >= main_#t~mem13#1);havoc main_#t~mem12#1;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem14#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4); 533#L560 assume !(main_#t~mem15#1 > 1);havoc main_#t~mem15#1;call main_#t~mem19#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(1 + main_#t~mem19#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem19#1; 527#L560-2 [2021-12-07 01:02:30,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:30,458 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2021-12-07 01:02:30,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:02:30,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534615419] [2021-12-07 01:02:30,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:02:30,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:02:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:02:30,535 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:02:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:02:30,561 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:02:30,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:30,562 INFO L85 PathProgramCache]: Analyzing trace with hash 36907, now seen corresponding path program 2 times [2021-12-07 01:02:30,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:02:30,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478788943] [2021-12-07 01:02:30,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:02:30,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:02:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:02:30,568 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:02:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:02:30,573 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:02:30,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:30,574 INFO L85 PathProgramCache]: Analyzing trace with hash 179493189, now seen corresponding path program 1 times [2021-12-07 01:02:30,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:02:30,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697073691] [2021-12-07 01:02:30,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:02:30,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:02:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:02:30,651 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:02:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:02:30,688 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:02:39,242 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:02:39,242 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:02:39,242 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:02:39,242 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:02:39,242 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 01:02:39,242 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:39,242 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:02:39,242 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:02:39,242 INFO L133 ssoRankerPreferences]: Filename of dumped script: NoriSharma-2013FSE-Fig8-alloca.i_Iteration2_Lasso [2021-12-07 01:02:39,242 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:02:39,242 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:02:39,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:39,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:39,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:39,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:39,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:39,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:39,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:39,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:39,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:39,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:41,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:41,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:41,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:41,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:41,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:41,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:41,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:41,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:41,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:41,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:41,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:02:41,767 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:02:41,767 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 01:02:41,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:41,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:02:41,768 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:02:41,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-07 01:02:41,770 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 [2021-12-07 01:02:41,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:02:41,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:02:41,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:02:41,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:02:41,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:02:41,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:02:41,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:02:41,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:02:41,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-07 01:02:41,797 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:41,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:02:41,798 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:02:41,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-07 01:02:41,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:02:41,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:02:41,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:02:41,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:02:41,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:02:41,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:02:41,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:02:41,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:02:41,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-07 01:02:41,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:41,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:02:41,829 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:02:41,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-07 01:02:41,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:02:41,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:02:41,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:02:41,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:02:41,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:02:41,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:02:41,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:02:41,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:02:41,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-07 01:02:41,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:41,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:02:41,860 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:02:41,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-07 01:02:41,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:02:41,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:02:41,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:02:41,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:02:41,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:02:41,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:02:41,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:02:41,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:02:41,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-07 01:02:41,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:41,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:02:41,891 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:02:41,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-07 01:02:41,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:02:41,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:02:41,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:02:41,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:02:41,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:02:41,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:02:41,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:02:41,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:02:41,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:02:41,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-07 01:02:41,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:41,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:02:41,921 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:02:41,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-07 01:02:41,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:02:41,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:02:41,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:02:41,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:02:41,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:02:41,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:02:41,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:02:41,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:02:41,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:02:41,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-07 01:02:41,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:41,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:02:41,964 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:02:41,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-07 01:02:41,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:02:41,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:02:41,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:02:41,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:02:41,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:02:41,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:02:41,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:02:41,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:02:41,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:02:41,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-07 01:02:41,992 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:41,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:02:41,993 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:02:41,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-07 01:02:41,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:02:42,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:02:42,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:02:42,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:02:42,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:02:42,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:02:42,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:02:42,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:02:42,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-07 01:02:42,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:42,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:02:42,027 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:02:42,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-07 01:02:42,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:02:42,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:02:42,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:02:42,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:02:42,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:02:42,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:02:42,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:02:42,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:02:42,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:02:42,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-07 01:02:42,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:42,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:02:42,055 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:02:42,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-07 01:02:42,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:02:42,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:02:42,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:02:42,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:02:42,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:02:42,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:02:42,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:02:42,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:02:42,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-07 01:02:42,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:42,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:02:42,085 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:02:42,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-07 01:02:42,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:02:42,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:02:42,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:02:42,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:02:42,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:02:42,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:02:42,099 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:02:42,108 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 01:02:42,120 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-07 01:02:42,120 INFO L444 ModelExtractionUtils]: 14 out of 22 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-12-07 01:02:42,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:02:42,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:02:42,121 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:02:42,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-07 01:02:42,122 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 01:02:42,131 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-07 01:02:42,131 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 01:02:42,131 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_2) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2 - 2*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_2 + 1 Supporting invariants [] [2021-12-07 01:02:42,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-07 01:02:42,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-07 01:02:42,725 INFO L297 tatePredicateManager]: 100 out of 102 supporting invariants were superfluous and have been removed [2021-12-07 01:02:42,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:02:42,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 27 conjunts are in the unsatisfiable core [2021-12-07 01:02:42,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:02:42,847 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-12-07 01:02:42,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 7916 treesize of output 7898 [2021-12-07 01:02:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:02:43,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-07 01:02:43,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:02:43,889 INFO L354 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2021-12-07 01:02:43,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 61 [2021-12-07 01:02:43,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:02:43,949 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-12-07 01:02:43,949 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:43,995 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 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 17 states and 22 transitions. Complement of second has 8 states. [2021-12-07 01:02:43,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-07 01:02:43,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:43,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2021-12-07 01:02:43,997 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 5 letters. Loop has 3 letters. [2021-12-07 01:02:43,997 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:02:43,997 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 8 letters. Loop has 3 letters. [2021-12-07 01:02:43,998 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:02:43,998 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 5 letters. Loop has 6 letters. [2021-12-07 01:02:43,998 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:02:43,998 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2021-12-07 01:02:43,999 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 01:02:43,999 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 22 transitions. [2021-12-07 01:02:44,000 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-12-07 01:02:44,000 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-07 01:02:44,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2021-12-07 01:02:44,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 01:02:44,000 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-12-07 01:02:44,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2021-12-07 01:02:44,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-12-07 01:02:44,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:02:44,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2021-12-07 01:02:44,002 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-12-07 01:02:44,002 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-12-07 01:02:44,002 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-07 01:02:44,002 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2021-12-07 01:02:44,003 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 01:02:44,003 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:02:44,003 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:02:44,003 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1] [2021-12-07 01:02:44,003 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 01:02:44,003 INFO L791 eck$LassoCheckResult]: Stem: 1016#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1017#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem12#1, main_#t~mem13#1, main_~u~0#1.base, main_~u~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~v~0#1.base, main_~v~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~w~0#1.base, main_~w~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~u~0#1.base, main_~u~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~v~0#1.base, main_~v~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~w~0#1.base, main_~w~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~u~0#1.base, main_~u~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem10#1, main_~v~0#1.base, main_~v~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~w~0#1.base, main_~w~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 1025#L560-2 call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 1028#L558-1 assume !!(main_#t~mem12#1 >= main_#t~mem13#1);havoc main_#t~mem12#1;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem14#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4); 1027#L560 assume main_#t~mem15#1 > 1;havoc main_#t~mem15#1;call main_#t~mem16#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem16#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem16#1;call main_#t~mem17#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem18#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem17#1 + main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem17#1;havoc main_#t~mem18#1; 1026#L560-2 call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 1024#L558-1 assume !!(main_#t~mem12#1 >= main_#t~mem13#1);havoc main_#t~mem12#1;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem14#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4); 1018#L560 assume main_#t~mem15#1 > 1;havoc main_#t~mem15#1;call main_#t~mem16#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem16#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem16#1;call main_#t~mem17#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem18#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem17#1 + main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem17#1;havoc main_#t~mem18#1; 1019#L560-2 [2021-12-07 01:02:44,003 INFO L793 eck$LassoCheckResult]: Loop: 1019#L560-2 call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 1022#L558-1 assume !!(main_#t~mem12#1 >= main_#t~mem13#1);havoc main_#t~mem12#1;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem14#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4); 1031#L560 assume !(main_#t~mem15#1 > 1);havoc main_#t~mem15#1;call main_#t~mem19#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(1 + main_#t~mem19#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem19#1; 1019#L560-2 [2021-12-07 01:02:44,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:44,004 INFO L85 PathProgramCache]: Analyzing trace with hash 179493187, now seen corresponding path program 2 times [2021-12-07 01:02:44,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:02:44,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903334354] [2021-12-07 01:02:44,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:02:44,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:02:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:02:44,060 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:02:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:02:44,088 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:02:44,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:44,088 INFO L85 PathProgramCache]: Analyzing trace with hash 36907, now seen corresponding path program 3 times [2021-12-07 01:02:44,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:02:44,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243313602] [2021-12-07 01:02:44,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:02:44,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:02:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:02:44,093 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:02:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:02:44,097 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:02:44,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:02:44,098 INFO L85 PathProgramCache]: Analyzing trace with hash 47257513, now seen corresponding path program 2 times [2021-12-07 01:02:44,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:02:44,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695952516] [2021-12-07 01:02:44,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:02:44,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:02:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:02:44,164 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:02:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:02:44,205 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:02:55,692 WARN L227 SmtUtils]: Spent 11.37s on a formula simplification. DAG size of input: 242 DAG size of output: 202 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-12-07 01:03:06,861 WARN L227 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 175 (called from [L 271] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-12-07 01:03:06,866 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:03:06,866 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:03:06,866 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:03:06,866 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:03:06,866 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 01:03:06,866 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:06,866 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:03:06,866 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:03:06,866 INFO L133 ssoRankerPreferences]: Filename of dumped script: NoriSharma-2013FSE-Fig8-alloca.i_Iteration3_Lasso [2021-12-07 01:03:06,866 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:03:06,866 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:03:06,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:06,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:06,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:06,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:12,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:12,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:12,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:12,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:12,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:12,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:12,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:12,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:12,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:12,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:12,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:12,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:12,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:12,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:12,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:12,632 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:03:12,632 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 01:03:12,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:12,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:12,632 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:12,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-07 01:03:12,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:12,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:12,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:03:12,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:12,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:12,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:12,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:03:12,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:03:12,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:12,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-07 01:03:12,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:12,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:12,666 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:12,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-07 01:03:12,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:12,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:12,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:12,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:12,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:12,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:12,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:12,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:12,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-07 01:03:12,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:12,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:12,696 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:12,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-07 01:03:12,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:12,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:12,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:03:12,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:12,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:12,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:12,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:03:12,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:03:12,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:12,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-07 01:03:12,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:12,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:12,724 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:12,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-07 01:03:12,726 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 [2021-12-07 01:03:12,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:12,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:12,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:12,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:12,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:12,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:12,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:12,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-07 01:03:12,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:12,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:12,756 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:12,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-07 01:03:12,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:12,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:12,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:12,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:12,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:12,765 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:12,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:12,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:12,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-07 01:03:12,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:12,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:12,787 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:12,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-07 01:03:12,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:12,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:12,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:12,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:12,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:12,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:12,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:12,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:12,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-07 01:03:12,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:12,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:12,818 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:12,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-07 01:03:12,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:12,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:12,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:12,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:12,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:12,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:12,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:12,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:12,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-07 01:03:12,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:12,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:12,849 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:12,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-07 01:03:12,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:12,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:12,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:12,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:12,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:12,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:12,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:12,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:12,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-07 01:03:12,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:12,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:12,883 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:12,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-07 01:03:12,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:12,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:12,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:12,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:12,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:12,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:12,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:12,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:12,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-07 01:03:12,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:12,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:12,913 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:12,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-07 01:03:12,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:12,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:12,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:12,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:12,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:12,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:12,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:12,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:12,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-07 01:03:12,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:12,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:12,945 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:12,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-07 01:03:12,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:12,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:12,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:12,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:12,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:12,955 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:12,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:12,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:12,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-07 01:03:12,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:12,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:12,977 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:12,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-07 01:03:12,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:12,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:12,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:12,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:12,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:12,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:12,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:13,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:13,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-07 01:03:13,031 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:13,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:13,032 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:13,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-07 01:03:13,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:13,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:13,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:13,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:13,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:13,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:13,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:13,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:13,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-07 01:03:13,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:13,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:13,062 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:13,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-07 01:03:13,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:13,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:13,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:13,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:13,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:13,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:13,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:13,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:13,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-07 01:03:13,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:13,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:13,094 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:13,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-07 01:03:13,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:13,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:13,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:13,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:13,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:13,105 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:13,105 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:13,114 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 01:03:13,123 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-07 01:03:13,123 INFO L444 ModelExtractionUtils]: 16 out of 22 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-12-07 01:03:13,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:13,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:13,124 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:13,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-07 01:03:13,152 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 01:03:13,160 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-07 01:03:13,160 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 01:03:13,160 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_3, v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_3) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_3 - 2*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_3 + 1 Supporting invariants [] [2021-12-07 01:03:13,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-07 01:03:13,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-07 01:03:13,895 INFO L297 tatePredicateManager]: 114 out of 116 supporting invariants were superfluous and have been removed [2021-12-07 01:03:13,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:03:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:13,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-07 01:03:13,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:03:13,988 INFO L354 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2021-12-07 01:03:13,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 381 treesize of output 381 [2021-12-07 01:03:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:14,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-07 01:03:14,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:03:14,183 INFO L354 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2021-12-07 01:03:14,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 61 [2021-12-07 01:03:14,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:03:14,251 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-12-07 01:03:14,251 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:14,310 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 8 states. [2021-12-07 01:03:14,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-07 01:03:14,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:14,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2021-12-07 01:03:14,311 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 8 letters. Loop has 3 letters. [2021-12-07 01:03:14,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:03:14,312 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-07 01:03:14,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:03:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:14,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 24 conjunts are in the unsatisfiable core [2021-12-07 01:03:14,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:03:14,381 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-07 01:03:14,381 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 1050 treesize of output 1016 [2021-12-07 01:03:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:14,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-07 01:03:14,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:03:14,547 INFO L354 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2021-12-07 01:03:14,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 61 [2021-12-07 01:03:14,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:03:14,610 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2021-12-07 01:03:14,611 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:14,655 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 8 states. [2021-12-07 01:03:14,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-07 01:03:14,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:14,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2021-12-07 01:03:14,656 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 8 letters. Loop has 3 letters. [2021-12-07 01:03:14,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:03:14,657 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-07 01:03:14,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:03:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:14,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 24 conjunts are in the unsatisfiable core [2021-12-07 01:03:14,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:03:14,728 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-07 01:03:14,728 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 109 treesize of output 105 [2021-12-07 01:03:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:14,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-07 01:03:14,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:03:14,851 INFO L354 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2021-12-07 01:03:14,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 61 [2021-12-07 01:03:14,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:03:14,919 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-12-07 01:03:14,919 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:14,980 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 32 transitions. Complement of second has 7 states. [2021-12-07 01:03:14,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-07 01:03:14,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:14,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2021-12-07 01:03:14,981 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 3 letters. [2021-12-07 01:03:14,981 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:03:14,981 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 11 letters. Loop has 3 letters. [2021-12-07 01:03:14,982 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:03:14,982 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 6 letters. [2021-12-07 01:03:14,982 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:03:14,982 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 32 transitions. [2021-12-07 01:03:14,984 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-07 01:03:14,985 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 20 states and 26 transitions. [2021-12-07 01:03:14,985 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-07 01:03:14,985 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-07 01:03:14,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2021-12-07 01:03:14,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 01:03:14,985 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-12-07 01:03:14,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2021-12-07 01:03:14,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 8. [2021-12-07 01:03:14,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:14,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2021-12-07 01:03:14,987 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-12-07 01:03:14,987 INFO L587 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-12-07 01:03:14,987 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-07 01:03:14,987 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2021-12-07 01:03:14,987 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-07 01:03:14,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:03:14,987 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:03:14,988 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-07 01:03:14,988 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 01:03:14,988 INFO L791 eck$LassoCheckResult]: Stem: 1724#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1725#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem12#1, main_#t~mem13#1, main_~u~0#1.base, main_~u~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~v~0#1.base, main_~v~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~w~0#1.base, main_~w~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~u~0#1.base, main_~u~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~v~0#1.base, main_~v~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~w~0#1.base, main_~w~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~u~0#1.base, main_~u~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem10#1, main_~v~0#1.base, main_~v~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~w~0#1.base, main_~w~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 1727#L560-2 [2021-12-07 01:03:14,988 INFO L793 eck$LassoCheckResult]: Loop: 1727#L560-2 call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 1731#L558-1 assume !!(main_#t~mem12#1 >= main_#t~mem13#1);havoc main_#t~mem12#1;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem14#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4); 1726#L560 assume main_#t~mem15#1 > 1;havoc main_#t~mem15#1;call main_#t~mem16#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem16#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem16#1;call main_#t~mem17#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem18#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem17#1 + main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem17#1;havoc main_#t~mem18#1; 1727#L560-2 [2021-12-07 01:03:14,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:03:14,988 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-12-07 01:03:14,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:03:14,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684437350] [2021-12-07 01:03:14,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:03:14,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:03:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:03:15,018 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:03:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:03:15,032 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:03:15,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:03:15,033 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 1 times [2021-12-07 01:03:15,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:03:15,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370173870] [2021-12-07 01:03:15,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:03:15,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:03:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:03:15,040 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:03:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:03:15,045 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:03:15,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:03:15,045 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 3 times [2021-12-07 01:03:15,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:03:15,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128587053] [2021-12-07 01:03:15,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:03:15,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:03:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:03:15,086 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:03:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:03:15,103 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:03:18,633 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:03:18,633 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:03:18,633 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:03:18,633 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:03:18,633 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 01:03:18,633 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:18,633 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:03:18,633 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:03:18,633 INFO L133 ssoRankerPreferences]: Filename of dumped script: NoriSharma-2013FSE-Fig8-alloca.i_Iteration4_Lasso [2021-12-07 01:03:18,633 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:03:18,633 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:03:18,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:18,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:18,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:18,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:18,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:18,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:18,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:18,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:18,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:18,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:18,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:18,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:18,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:18,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:18,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:18,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:18,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:18,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:18,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:18,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:19,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:03:20,214 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:03:20,215 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 01:03:20,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,215 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-07 01:03:20,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:20,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:20,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-07 01:03:20,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,247 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-07 01:03:20,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:03:20,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:03:20,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:03:20,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-07 01:03:20,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,275 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-07 01:03:20,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:03:20,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:03:20,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:03:20,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-07 01:03:20,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,303 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-07 01:03:20,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:03:20,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:03:20,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:03:20,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-07 01:03:20,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,331 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-07 01:03:20,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:20,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:20,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-07 01:03:20,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,361 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-07 01:03:20,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:03:20,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:03:20,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:03:20,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-07 01:03:20,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,389 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-07 01:03:20,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:20,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:20,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-07 01:03:20,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,420 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-07 01:03:20,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,430 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:20,430 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:20,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-07 01:03:20,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,451 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-07 01:03:20,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,461 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:20,461 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:20,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-07 01:03:20,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,482 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-07 01:03:20,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:03:20,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:03:20,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:03:20,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-07 01:03:20,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,510 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-07 01:03:20,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:03:20,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:03:20,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:03:20,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-12-07 01:03:20,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,538 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-07 01:03:20,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:03:20,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:03:20,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:03:20,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-12-07 01:03:20,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,566 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-07 01:03:20,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:03:20,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:03:20,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:03:20,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-12-07 01:03:20,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,594 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-07 01:03:20,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:03:20,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:03:20,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:03:20,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-07 01:03:20,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,621 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-07 01:03:20,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:03:20,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:03:20,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:03:20,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-07 01:03:20,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,649 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-07 01:03:20,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:20,659 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:20,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-07 01:03:20,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,680 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-07 01:03:20,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:20,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:20,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-07 01:03:20,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,710 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-07 01:03:20,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:03:20,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:03:20,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:03:20,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-07 01:03:20,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,738 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-07 01:03:20,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:03:20,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:03:20,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:03:20,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-07 01:03:20,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,766 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-07 01:03:20,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:20,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:20,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-07 01:03:20,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,796 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-07 01:03:20,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:03:20,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:03:20,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-12-07 01:03:20,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,827 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-07 01:03:20,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:03:20,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:03:20,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:03:20,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:03:20,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-07 01:03:20,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,855 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-07 01:03:20,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:03:20,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:03:20,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:03:20,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:03:20,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:03:20,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:03:20,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:03:20,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:03:20,866 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 01:03:20,869 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-07 01:03:20,870 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-07 01:03:20,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:03:20,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:20,870 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:03:20,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-07 01:03:20,871 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 01:03:20,871 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-07 01:03:20,871 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 01:03:20,871 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0#1.base) ULTIMATE.start_main_~z~0#1.offset)_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0#1.base) ULTIMATE.start_main_~z~0#1.offset)_4 Supporting invariants [] [2021-12-07 01:03:20,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-07 01:03:20,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-07 01:03:21,492 INFO L297 tatePredicateManager]: 113 out of 116 supporting invariants were superfluous and have been removed [2021-12-07 01:03:21,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:03:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:21,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-07 01:03:21,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:03:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:21,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-07 01:03:21,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:03:21,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-07 01:03:21,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:03:21,584 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-07 01:03:21,584 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:21,610 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 24 transitions. Complement of second has 7 states. [2021-12-07 01:03:21,611 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 [2021-12-07 01:03:21,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:21,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2021-12-07 01:03:21,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 5 transitions. Stem has 2 letters. Loop has 3 letters. [2021-12-07 01:03:21,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:03:21,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 5 transitions. Stem has 5 letters. Loop has 3 letters. [2021-12-07 01:03:21,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:03:21,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 5 transitions. Stem has 2 letters. Loop has 6 letters. [2021-12-07 01:03:21,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:03:21,612 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 24 transitions. [2021-12-07 01:03:21,613 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-07 01:03:21,613 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 14 states and 18 transitions. [2021-12-07 01:03:21,613 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-12-07 01:03:21,613 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-12-07 01:03:21,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 18 transitions. [2021-12-07 01:03:21,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-07 01:03:21,613 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2021-12-07 01:03:21,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 18 transitions. [2021-12-07 01:03:21,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2021-12-07 01:03:21,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:21,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2021-12-07 01:03:21,614 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-12-07 01:03:21,614 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-12-07 01:03:21,614 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-07 01:03:21,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2021-12-07 01:03:21,615 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-07 01:03:21,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:03:21,615 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:03:21,616 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2021-12-07 01:03:21,616 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 01:03:21,616 INFO L791 eck$LassoCheckResult]: Stem: 2258#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2259#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem12#1, main_#t~mem13#1, main_~u~0#1.base, main_~u~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~v~0#1.base, main_~v~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~w~0#1.base, main_~w~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~u~0#1.base, main_~u~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~v~0#1.base, main_~v~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~w~0#1.base, main_~w~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~u~0#1.base, main_~u~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem10#1, main_~v~0#1.base, main_~v~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~w~0#1.base, main_~w~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 2264#L560-2 call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 2265#L558-1 assume !!(main_#t~mem12#1 >= main_#t~mem13#1);havoc main_#t~mem12#1;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem14#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4); 2262#L560 assume !(main_#t~mem15#1 > 1);havoc main_#t~mem15#1;call main_#t~mem19#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(1 + main_#t~mem19#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem19#1; 2263#L560-2 call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 2268#L558-1 [2021-12-07 01:03:21,616 INFO L793 eck$LassoCheckResult]: Loop: 2268#L558-1 assume !!(main_#t~mem12#1 >= main_#t~mem13#1);havoc main_#t~mem12#1;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem14#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4); 2260#L560 assume main_#t~mem15#1 > 1;havoc main_#t~mem15#1;call main_#t~mem16#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem16#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem16#1;call main_#t~mem17#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem18#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem17#1 + main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem17#1;havoc main_#t~mem18#1; 2261#L560-2 call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 2268#L558-1 [2021-12-07 01:03:21,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:03:21,616 INFO L85 PathProgramCache]: Analyzing trace with hash 889571326, now seen corresponding path program 2 times [2021-12-07 01:03:21,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:03:21,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191514313] [2021-12-07 01:03:21,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:03:21,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:03:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:03:21,649 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:03:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:03:21,665 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:03:21,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:03:21,666 INFO L85 PathProgramCache]: Analyzing trace with hash 41795, now seen corresponding path program 2 times [2021-12-07 01:03:21,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:03:21,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304572589] [2021-12-07 01:03:21,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:03:21,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:03:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:03:21,672 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:03:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:03:21,676 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:03:21,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:03:21,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1271168550, now seen corresponding path program 3 times [2021-12-07 01:03:21,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:03:21,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443465359] [2021-12-07 01:03:21,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:03:21,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:03:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:03:21,794 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:03:21,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:03:21,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443465359] [2021-12-07 01:03:21,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443465359] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:03:21,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866413950] [2021-12-07 01:03:21,795 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-07 01:03:21,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:03:21,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:03:21,796 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:03:21,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2021-12-07 01:03:21,952 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-07 01:03:21,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 01:03:21,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-07 01:03:21,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:03:22,009 INFO L354 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2021-12-07 01:03:22,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 524613 treesize of output 521019 [2021-12-07 01:03:47,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-12-07 01:03:47,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 01:03:47,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-07 01:03:47,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:03:47,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:03:47,714 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1865 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_1865) |c_ULTIMATE.start_main_~z~0#1.base|) |c_ULTIMATE.start_main_~z~0#1.offset|) 1)) is different from false [2021-12-07 01:03:47,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 51 [2021-12-07 01:03:47,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2021-12-07 01:03:47,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2021-12-07 01:03:47,783 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2021-12-07 01:03:47,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866413950] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:03:47,783 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:03:47,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2021-12-07 01:03:47,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179769394] [2021-12-07 01:03:47,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:03:47,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:03:47,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 01:03:47,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=65, Unknown=1, NotChecked=16, Total=110 [2021-12-07 01:03:47,953 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:03:48,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:03:48,000 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2021-12-07 01:03:48,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:03:48,001 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. [2021-12-07 01:03:48,001 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 01:03:48,001 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2021-12-07 01:03:48,001 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-07 01:03:48,002 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-07 01:03:48,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-07 01:03:48,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:03:48,002 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:03:48,002 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:03:48,002 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:03:48,002 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-07 01:03:48,002 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-07 01:03:48,002 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 01:03:48,002 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-07 01:03:48,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 01:03:48 BoogieIcfgContainer [2021-12-07 01:03:48,006 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-07 01:03:48,007 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 01:03:48,007 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 01:03:48,007 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 01:03:48,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:02:24" (3/4) ... [2021-12-07 01:03:48,009 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 01:03:48,009 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 01:03:48,009 INFO L158 Benchmark]: Toolchain (without parser) took 84015.41ms. Allocated memory was 90.2MB in the beginning and 914.4MB in the end (delta: 824.2MB). Free memory was 53.2MB in the beginning and 581.5MB in the end (delta: -528.3MB). Peak memory consumption was 296.7MB. Max. memory is 16.1GB. [2021-12-07 01:03:48,010 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 90.2MB. Free memory was 70.5MB in the beginning and 70.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:03:48,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.05ms. Allocated memory is still 90.2MB. Free memory was 52.9MB in the beginning and 60.5MB in the end (delta: -7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 01:03:48,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.96ms. Allocated memory is still 90.2MB. Free memory was 60.5MB in the beginning and 58.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:03:48,010 INFO L158 Benchmark]: Boogie Preprocessor took 21.94ms. Allocated memory is still 90.2MB. Free memory was 58.8MB in the beginning and 57.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:03:48,011 INFO L158 Benchmark]: RCFGBuilder took 273.59ms. Allocated memory is still 90.2MB. Free memory was 57.4MB in the beginning and 44.5MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-07 01:03:48,011 INFO L158 Benchmark]: BuchiAutomizer took 83376.75ms. Allocated memory was 90.2MB in the beginning and 914.4MB in the end (delta: 824.2MB). Free memory was 44.1MB in the beginning and 581.5MB in the end (delta: -537.4MB). Peak memory consumption was 288.6MB. Max. memory is 16.1GB. [2021-12-07 01:03:48,011 INFO L158 Benchmark]: Witness Printer took 2.40ms. Allocated memory is still 914.4MB. Free memory is still 581.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:03:48,012 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 90.2MB. Free memory was 70.5MB in the beginning and 70.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.05ms. Allocated memory is still 90.2MB. Free memory was 52.9MB in the beginning and 60.5MB in the end (delta: -7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.96ms. Allocated memory is still 90.2MB. Free memory was 60.5MB in the beginning and 58.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.94ms. Allocated memory is still 90.2MB. Free memory was 58.8MB in the beginning and 57.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 273.59ms. Allocated memory is still 90.2MB. Free memory was 57.4MB in the beginning and 44.5MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 83376.75ms. Allocated memory was 90.2MB in the beginning and 914.4MB in the end (delta: 824.2MB). Free memory was 44.1MB in the beginning and 581.5MB in the end (delta: -537.4MB). Peak memory consumption was 288.6MB. Max. memory is 16.1GB. * Witness Printer took 2.40ms. Allocated memory is still 914.4MB. Free memory is still 581.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[x][x] + -2 * unknown-#memory_int-unknown[y][y] + 1 and consists of 6 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[x][x] + -2 * unknown-#memory_int-unknown[y][y] + 1 and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[z][z] and consists of 4 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[x][x] + -2 * unknown-#memory_int-unknown[y][y] + 1 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 83.3s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 80.2s. Construction of modules took 0.1s. Büchi inclusion checks took 2.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 10 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 17 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital28809 mio100 ax101 hnf100 lsp98 ukn20 mio100 lsp39 div100 bol100 ite100 ukn100 eq196 hnf87 smp97 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-07 01:03:48,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Ended with exit code 0 [2021-12-07 01:03:48,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de6d7d3d-961b-4cf2-a3ac-3e6ce67bf184/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE