./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/max05-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/max05-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e48915cf0eaefe43320bbe59bf88f5c68b2f305d293e808fa6ece9112b5c238 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:35:10,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:35:10,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:35:10,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:35:10,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:35:10,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:35:10,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:35:10,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:35:10,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:35:10,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:35:10,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:35:10,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:35:10,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:35:10,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:35:10,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:35:10,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:35:10,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:35:10,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:35:10,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:35:10,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:35:10,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:35:10,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:35:10,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:35:10,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:35:10,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:35:10,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:35:10,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:35:10,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:35:10,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:35:10,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:35:10,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:35:10,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:35:10,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:35:10,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:35:10,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:35:10,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:35:10,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:35:10,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:35:10,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:35:10,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:35:10,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:35:10,668 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-13 17:35:10,699 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:35:10,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:35:10,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:35:10,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:35:10,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:35:10,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:35:10,702 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:35:10,702 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 17:35:10,703 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 17:35:10,703 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 17:35:10,703 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 17:35:10,703 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 17:35:10,704 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 17:35:10,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:35:10,704 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:35:10,705 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 17:35:10,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:35:10,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:35:10,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:35:10,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 17:35:10,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 17:35:10,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 17:35:10,706 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:35:10,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:35:10,707 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 17:35:10,707 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:35:10,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 17:35:10,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:35:10,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:35:10,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:35:10,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:35:10,709 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:35:10,710 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 17:35:10,710 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_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e48915cf0eaefe43320bbe59bf88f5c68b2f305d293e808fa6ece9112b5c238 [2021-11-13 17:35:11,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:35:11,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:35:11,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:35:11,087 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:35:11,088 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:35:11,090 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/reducercommutativity/max05-1.i [2021-11-13 17:35:11,170 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/data/3e4dcdb5d/259036589f1f40bfb06e37eadb1bc58f/FLAG53b58609f [2021-11-13 17:35:11,676 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:35:11,676 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/sv-benchmarks/c/reducercommutativity/max05-1.i [2021-11-13 17:35:11,683 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/data/3e4dcdb5d/259036589f1f40bfb06e37eadb1bc58f/FLAG53b58609f [2021-11-13 17:35:12,029 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/data/3e4dcdb5d/259036589f1f40bfb06e37eadb1bc58f [2021-11-13 17:35:12,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:35:12,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:35:12,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:35:12,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:35:12,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:35:12,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:35:12" (1/1) ... [2021-11-13 17:35:12,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cc942de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:35:12, skipping insertion in model container [2021-11-13 17:35:12,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:35:12" (1/1) ... [2021-11-13 17:35:12,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:35:12,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:35:12,284 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/sv-benchmarks/c/reducercommutativity/max05-1.i[1284,1297] [2021-11-13 17:35:12,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:35:12,295 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:35:12,330 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/sv-benchmarks/c/reducercommutativity/max05-1.i[1284,1297] [2021-11-13 17:35:12,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:35:12,359 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:35:12,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:35:12 WrapperNode [2021-11-13 17:35:12,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:35:12,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:35:12,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:35:12,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:35:12,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:35:12" (1/1) ... [2021-11-13 17:35:12,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:35:12" (1/1) ... [2021-11-13 17:35:12,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:35:12,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:35:12,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:35:12,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:35:12,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:35:12" (1/1) ... [2021-11-13 17:35:12,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:35:12" (1/1) ... [2021-11-13 17:35:12,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:35:12" (1/1) ... [2021-11-13 17:35:12,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:35:12" (1/1) ... [2021-11-13 17:35:12,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:35:12" (1/1) ... [2021-11-13 17:35:12,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:35:12" (1/1) ... [2021-11-13 17:35:12,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:35:12" (1/1) ... [2021-11-13 17:35:12,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:35:12,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:35:12,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:35:12,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:35:12,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:35:12" (1/1) ... [2021-11-13 17:35:12,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:12,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:12,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:12,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 17:35:12,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:35:12,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:35:12,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:35:12,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:35:12,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:35:12,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 17:35:12,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:35:12,886 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:35:12,886 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-13 17:35:12,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:35:12 BoogieIcfgContainer [2021-11-13 17:35:12,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:35:12,889 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 17:35:12,890 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 17:35:12,909 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 17:35:12,910 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 17:35:12,910 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 05:35:12" (1/3) ... [2021-11-13 17:35:12,912 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c01d126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 05:35:12, skipping insertion in model container [2021-11-13 17:35:12,912 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 17:35:12,912 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:35:12" (2/3) ... [2021-11-13 17:35:12,913 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c01d126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 05:35:12, skipping insertion in model container [2021-11-13 17:35:12,913 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 17:35:12,914 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:35:12" (3/3) ... [2021-11-13 17:35:12,915 INFO L388 chiAutomizerObserver]: Analyzing ICFG max05-1.i [2021-11-13 17:35:13,012 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 17:35:13,012 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 17:35:13,012 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 17:35:13,013 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 17:35:13,013 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 17:35:13,013 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 17:35:13,013 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 17:35:13,013 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 17:35:13,032 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:13,081 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 16 [2021-11-13 17:35:13,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:35:13,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:35:13,088 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-13 17:35:13,088 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:35:13,088 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-13 17:35:13,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:13,092 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 16 [2021-11-13 17:35:13,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:35:13,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:35:13,092 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-13 17:35:13,092 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:35:13,100 INFO L791 eck$LassoCheckResult]: Stem: 19#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~post7#1, main_~i~1#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~ret12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~post14#1, main_~i~2#1, main_#t~ret16#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 17#L34-3true [2021-11-13 17:35:13,100 INFO L793 eck$LassoCheckResult]: Loop: 17#L34-3true assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 11#L34-2true main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 17#L34-3true [2021-11-13 17:35:13,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:13,107 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-13 17:35:13,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:13,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242321510] [2021-11-13 17:35:13,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:13,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:13,221 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:35:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:13,262 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:35:13,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:13,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-11-13 17:35:13,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:13,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639194511] [2021-11-13 17:35:13,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:13,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:13,277 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:35:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:13,288 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:35:13,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:13,290 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-11-13 17:35:13,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:13,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129772096] [2021-11-13 17:35:13,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:13,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:13,317 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:35:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:13,367 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:35:13,943 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:35:13,943 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:35:13,944 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:35:13,944 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:35:13,944 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:35:13,944 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:13,944 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:35:13,945 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:35:13,945 INFO L133 ssoRankerPreferences]: Filename of dumped script: max05-1.i_Iteration1_Lasso [2021-11-13 17:35:13,946 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:35:13,946 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:35:13,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:13,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:13,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:13,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:14,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:14,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:14,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:14,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:14,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:14,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:14,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:14,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:14,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:14,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:14,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:14,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:14,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:14,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:14,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:14,480 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:35:14,486 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 17:35:14,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:14,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:14,494 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:14,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-13 17:35:14,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:14,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:14,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:14,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:14,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:14,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:14,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:14,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:14,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:14,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:14,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:14,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:14,574 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:14,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:14,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:14,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:14,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:14,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:14,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:14,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:14,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:14,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-13 17:35:14,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:14,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:14,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:14,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:14,652 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:14,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-13 17:35:14,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:14,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:14,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:14,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:14,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:14,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:14,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:14,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:14,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:14,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:14,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:14,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:14,715 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:14,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:14,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-13 17:35:14,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:14,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:14,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:14,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:14,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:14,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:14,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:14,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:14,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:14,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:14,805 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:14,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-13 17:35:14,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:14,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:14,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:14,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:14,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:14,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:14,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:14,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:14,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:14,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:14,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:14,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:14,874 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:14,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-13 17:35:14,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:14,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:14,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:14,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:14,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:14,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:14,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:14,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:14,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:14,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:14,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:14,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:14,914 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:14,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-13 17:35:14,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:14,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:14,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:14,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:14,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:14,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:14,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:14,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:14,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:14,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:14,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:14,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:14,963 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:14,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-13 17:35:14,965 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 [2021-11-13 17:35:14,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:14,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:14,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:14,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:14,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:14,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:14,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:15,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:15,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:15,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:15,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:15,033 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:15,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-13 17:35:15,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:15,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:15,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:15,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:15,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:15,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:15,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:15,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:15,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:15,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:15,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:15,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:15,071 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:15,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-13 17:35:15,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:15,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:15,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:15,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:15,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:15,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:15,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:15,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:15,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:15,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:15,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:15,142 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:15,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-13 17:35:15,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:15,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:15,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:15,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:15,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:15,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:15,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:15,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:15,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-11-13 17:35:15,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:15,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:15,207 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:15,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-13 17:35:15,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:15,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:15,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:15,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:15,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:15,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:15,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:15,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:15,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:15,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:15,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:15,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:15,239 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:15,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-13 17:35:15,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:15,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:15,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:15,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:15,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:15,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:15,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:15,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:15,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:15,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:15,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:15,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:15,294 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:15,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-13 17:35:15,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:15,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:15,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:15,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:15,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:15,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:15,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:15,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:15,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:15,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:15,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:15,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:15,359 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:15,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-13 17:35:15,362 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 [2021-11-13 17:35:15,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:15,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:15,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:15,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:15,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:15,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:15,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:15,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:15,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:15,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:15,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:15,404 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:15,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-13 17:35:15,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:15,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:15,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:15,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:15,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:15,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:15,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:15,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:15,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:15,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:15,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:15,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:15,445 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:15,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-13 17:35:15,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:15,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:15,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:15,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:15,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:15,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:15,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:15,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:15,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-11-13 17:35:15,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:15,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:15,507 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:15,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-13 17:35:15,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:15,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:15,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:15,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:15,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:15,519 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:15,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:15,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:15,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:15,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:15,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:15,549 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:15,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-13 17:35:15,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:15,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:15,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:15,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:15,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:15,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:15,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:15,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:15,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:15,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:15,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:15,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:15,584 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:15,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-13 17:35:15,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:15,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:15,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:15,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:15,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:15,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:15,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:15,633 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 17:35:15,673 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-11-13 17:35:15,673 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-11-13 17:35:15,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:15,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:15,678 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:15,718 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 17:35:15,737 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-13 17:35:15,737 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 17:35:15,737 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 9*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 8*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2021-11-13 17:35:15,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-13 17:35:15,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:15,804 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-11-13 17:35:15,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:15,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:35:15,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:35:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:15,899 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:35:15,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:35:15,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:35:15,964 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-13 17:35:15,966 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:16,082 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 84 states and 119 transitions. Complement of second has 8 states. [2021-11-13 17:35:16,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-13 17:35:16,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:16,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2021-11-13 17:35:16,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 2 letters. Loop has 2 letters. [2021-11-13 17:35:16,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:35:16,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-13 17:35:16,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:35:16,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 2 letters. Loop has 4 letters. [2021-11-13 17:35:16,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:35:16,093 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 119 transitions. [2021-11-13 17:35:16,100 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-11-13 17:35:16,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 25 states and 33 transitions. [2021-11-13 17:35:16,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-11-13 17:35:16,105 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-11-13 17:35:16,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 33 transitions. [2021-11-13 17:35:16,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:35:16,106 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-11-13 17:35:16,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 33 transitions. [2021-11-13 17:35:16,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-13 17:35:16,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:16,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2021-11-13 17:35:16,150 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-11-13 17:35:16,150 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-11-13 17:35:16,150 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-13 17:35:16,151 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2021-11-13 17:35:16,154 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-11-13 17:35:16,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:35:16,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:35:16,155 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-13 17:35:16,155 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-13 17:35:16,156 INFO L791 eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 188#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~post7#1, main_~i~1#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~ret12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~post14#1, main_~i~2#1, main_#t~ret16#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 196#L34-3 assume !(main_~i~1#1 < 5); 189#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem4#1, max_#t~ite6#1, max_#t~mem5#1, max_#t~post3#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 190#L20-3 [2021-11-13 17:35:16,156 INFO L793 eck$LassoCheckResult]: Loop: 190#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 203#L21 assume max_~ret~0#1 < max_#t~mem4#1;call max_#t~mem5#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite6#1 := max_#t~mem5#1; 204#L21-2 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 205#L20-2 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 190#L20-3 [2021-11-13 17:35:16,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:16,161 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2021-11-13 17:35:16,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:16,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:16,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206141022] [2021-11-13 17:35:16,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:16,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:16,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:35:16,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:35:16,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206141022] [2021-11-13 17:35:16,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206141022] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:35:16,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:35:16,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:35:16,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109392274] [2021-11-13 17:35:16,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:35:16,269 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:35:16,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:16,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 1 times [2021-11-13 17:35:16,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:16,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712939799] [2021-11-13 17:35:16,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:16,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:16,277 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:35:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:16,285 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:35:16,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:35:16,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:35:16,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:35:16,347 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:16,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:35:16,359 INFO L93 Difference]: Finished difference Result 26 states and 33 transitions. [2021-11-13 17:35:16,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:35:16,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 33 transitions. [2021-11-13 17:35:16,362 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-11-13 17:35:16,363 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 33 transitions. [2021-11-13 17:35:16,363 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-11-13 17:35:16,363 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-11-13 17:35:16,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 33 transitions. [2021-11-13 17:35:16,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:35:16,364 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-11-13 17:35:16,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 33 transitions. [2021-11-13 17:35:16,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2021-11-13 17:35:16,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.28) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:16,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2021-11-13 17:35:16,367 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-11-13 17:35:16,367 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-11-13 17:35:16,367 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-13 17:35:16,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2021-11-13 17:35:16,368 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-11-13 17:35:16,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:35:16,368 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:35:16,369 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-13 17:35:16,369 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-13 17:35:16,369 INFO L791 eck$LassoCheckResult]: Stem: 242#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 243#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~post7#1, main_~i~1#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~ret12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~post14#1, main_~i~2#1, main_#t~ret16#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 253#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 256#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 257#L34-3 assume !(main_~i~1#1 < 5); 246#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem4#1, max_#t~ite6#1, max_#t~mem5#1, max_#t~post3#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 247#L20-3 [2021-11-13 17:35:16,369 INFO L793 eck$LassoCheckResult]: Loop: 247#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 260#L21 assume max_~ret~0#1 < max_#t~mem4#1;call max_#t~mem5#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite6#1 := max_#t~mem5#1; 261#L21-2 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 262#L20-2 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 247#L20-3 [2021-11-13 17:35:16,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:16,370 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2021-11-13 17:35:16,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:16,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095087459] [2021-11-13 17:35:16,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:16,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:16,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:35:16,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:35:16,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095087459] [2021-11-13 17:35:16,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095087459] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:35:16,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848851095] [2021-11-13 17:35:16,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:16,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:35:16,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:16,405 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:35:16,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-13 17:35:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:16,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 17:35:16,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:35:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:35:16,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:35:16,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:35:16,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848851095] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:35:16,524 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:35:16,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-13 17:35:16,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781637102] [2021-11-13 17:35:16,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:35:16,525 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:35:16,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:16,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 2 times [2021-11-13 17:35:16,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:16,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128717520] [2021-11-13 17:35:16,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:16,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:16,542 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:35:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:16,557 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:35:16,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:35:16,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:35:16,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:35:16,622 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:16,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:35:16,675 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2021-11-13 17:35:16,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 17:35:16,678 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2021-11-13 17:35:16,681 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-11-13 17:35:16,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 38 transitions. [2021-11-13 17:35:16,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-11-13 17:35:16,682 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-11-13 17:35:16,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2021-11-13 17:35:16,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:35:16,683 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-11-13 17:35:16,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2021-11-13 17:35:16,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-11-13 17:35:16,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 30 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:16,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2021-11-13 17:35:16,694 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-11-13 17:35:16,694 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-11-13 17:35:16,694 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-13 17:35:16,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. [2021-11-13 17:35:16,695 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-11-13 17:35:16,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:35:16,695 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:35:16,696 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2021-11-13 17:35:16,696 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-13 17:35:16,696 INFO L791 eck$LassoCheckResult]: Stem: 340#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 341#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~post7#1, main_~i~1#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~ret12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~post14#1, main_~i~2#1, main_#t~ret16#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 349#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 352#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 353#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 361#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 366#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 365#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 364#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 363#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 362#L34-3 assume !(main_~i~1#1 < 5); 342#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem4#1, max_#t~ite6#1, max_#t~mem5#1, max_#t~post3#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 343#L20-3 [2021-11-13 17:35:16,696 INFO L793 eck$LassoCheckResult]: Loop: 343#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 357#L21 assume max_~ret~0#1 < max_#t~mem4#1;call max_#t~mem5#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite6#1 := max_#t~mem5#1; 358#L21-2 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 356#L20-2 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 343#L20-3 [2021-11-13 17:35:16,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:16,697 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2021-11-13 17:35:16,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:16,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869038573] [2021-11-13 17:35:16,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:16,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:16,808 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:35:16,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:35:16,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869038573] [2021-11-13 17:35:16,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869038573] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:35:16,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051409777] [2021-11-13 17:35:16,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 17:35:16,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:35:16,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:16,811 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:35:16,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-11-13 17:35:16,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 17:35:16,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 17:35:16,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:35:16,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:35:16,921 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:35:16,921 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:35:16,975 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:35:16,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051409777] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:35:16,976 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:35:16,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2021-11-13 17:35:16,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839717474] [2021-11-13 17:35:16,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:35:16,977 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:35:16,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:16,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 3 times [2021-11-13 17:35:16,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:16,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127523442] [2021-11-13 17:35:16,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:16,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:16,996 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:35:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:17,010 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:35:17,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:35:17,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 17:35:17,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:35:17,078 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:17,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:35:17,118 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2021-11-13 17:35:17,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:35:17,119 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 40 transitions. [2021-11-13 17:35:17,122 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-11-13 17:35:17,123 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 40 transitions. [2021-11-13 17:35:17,123 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-11-13 17:35:17,124 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-11-13 17:35:17,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 40 transitions. [2021-11-13 17:35:17,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:35:17,124 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-11-13 17:35:17,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 40 transitions. [2021-11-13 17:35:17,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-13 17:35:17,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 32 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:17,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2021-11-13 17:35:17,139 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-11-13 17:35:17,139 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-11-13 17:35:17,139 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-13 17:35:17,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 40 transitions. [2021-11-13 17:35:17,141 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-11-13 17:35:17,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:35:17,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:35:17,144 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2021-11-13 17:35:17,144 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-13 17:35:17,145 INFO L791 eck$LassoCheckResult]: Stem: 481#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 482#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~post7#1, main_~i~1#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~ret12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~post14#1, main_~i~2#1, main_#t~ret16#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 490#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 493#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 494#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 502#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 509#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 508#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 507#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 506#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 505#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 504#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 503#L34-3 assume !(main_~i~1#1 < 5); 483#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem4#1, max_#t~ite6#1, max_#t~mem5#1, max_#t~post3#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 484#L20-3 [2021-11-13 17:35:17,145 INFO L793 eck$LassoCheckResult]: Loop: 484#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 497#L21 assume max_~ret~0#1 < max_#t~mem4#1;call max_#t~mem5#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite6#1 := max_#t~mem5#1; 498#L21-2 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 499#L20-2 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 484#L20-3 [2021-11-13 17:35:17,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:17,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1745699051, now seen corresponding path program 3 times [2021-11-13 17:35:17,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:17,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267972597] [2021-11-13 17:35:17,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:17,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:17,187 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:35:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:17,227 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:35:17,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:17,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 4 times [2021-11-13 17:35:17,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:17,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604938745] [2021-11-13 17:35:17,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:17,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:17,241 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:35:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:17,255 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:35:17,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:17,258 INFO L85 PathProgramCache]: Analyzing trace with hash -743539014, now seen corresponding path program 1 times [2021-11-13 17:35:17,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:17,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415632307] [2021-11-13 17:35:17,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:17,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:17,288 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:35:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:17,312 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:35:18,977 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:35:18,977 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:35:18,978 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:35:18,978 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:35:18,978 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:35:18,978 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:18,978 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:35:18,978 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:35:18,978 INFO L133 ssoRankerPreferences]: Filename of dumped script: max05-1.i_Iteration5_Lasso [2021-11-13 17:35:18,978 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:35:18,978 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:35:18,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:18,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:18,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:18,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:19,549 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:35:19,557 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 17:35:19,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:19,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:19,563 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:19,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:19,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:19,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:19,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:19,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:19,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:19,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:19,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:19,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-13 17:35:19,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:19,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:19,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:19,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:19,638 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:19,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:19,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:19,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:19,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:19,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:19,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:19,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:19,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:19,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-13 17:35:19,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:19,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:19,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:19,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:19,701 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:19,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:19,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:19,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:19,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:19,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:19,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:19,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:19,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:19,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-13 17:35:19,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:19,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:19,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:19,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:19,763 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:19,770 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 [2021-11-13 17:35:19,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:19,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:19,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:19,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:19,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:19,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:19,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-13 17:35:19,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:19,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:19,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:19,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:19,838 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:19,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:19,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:19,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:19,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:19,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:19,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:19,852 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:19,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-13 17:35:19,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:19,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:19,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:19,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:19,907 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:19,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:19,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:19,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:19,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:19,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:19,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:19,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:19,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-13 17:35:19,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:19,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-13 17:35:19,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:19,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:19,970 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:19,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-13 17:35:19,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:19,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:19,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:19,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:19,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:19,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:19,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:19,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:19,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:19,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-11-13 17:35:19,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:19,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:20,000 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:20,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-13 17:35:20,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:20,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:20,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:20,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:20,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:20,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:20,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:20,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:20,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:20,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:20,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:20,053 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:20,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-13 17:35:20,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:20,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:20,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:20,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:20,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:20,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:20,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:20,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:20,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-11-13 17:35:20,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:20,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:20,089 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:20,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-13 17:35:20,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:20,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:20,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:20,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:20,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:20,098 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:20,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:20,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:20,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:20,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:20,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:20,124 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:20,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-13 17:35:20,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:20,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:20,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:20,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:20,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:20,134 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:20,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:20,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:20,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-13 17:35:20,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:20,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:20,173 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:20,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-13 17:35:20,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:20,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:20,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:20,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:20,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:20,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:20,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:20,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:20,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:20,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-11-13 17:35:20,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:20,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:20,207 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:20,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-13 17:35:20,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:20,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:20,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:20,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:20,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:20,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:20,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:20,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:20,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-13 17:35:20,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:20,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:20,258 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:20,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-13 17:35:20,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:20,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:20,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:20,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:20,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:20,270 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:20,270 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:20,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:20,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:20,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:20,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:20,330 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:20,332 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 [2021-11-13 17:35:20,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:20,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:20,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:20,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:20,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:20,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:20,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-13 17:35:20,365 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 17:35:20,393 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-11-13 17:35:20,393 INFO L444 ModelExtractionUtils]: 5 out of 25 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-11-13 17:35:20,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:20,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:20,396 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:20,403 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 17:35:20,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-13 17:35:20,415 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-13 17:35:20,415 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 17:35:20,415 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_max_~i~0#1, v_rep(select #length ULTIMATE.start_max_~x#1.base)_1) = -8*ULTIMATE.start_max_~i~0#1 + 9*v_rep(select #length ULTIMATE.start_max_~x#1.base)_1 Supporting invariants [] [2021-11-13 17:35:20,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:20,467 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-11-13 17:35:20,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:20,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:35:20,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:35:20,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:20,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:35:20,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:35:20,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:35:20,631 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-13 17:35:20,631 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:20,657 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) Result 39 states and 50 transitions. Complement of second has 7 states. [2021-11-13 17:35:20,658 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 [2021-11-13 17:35:20,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:20,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2021-11-13 17:35:20,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 14 letters. Loop has 4 letters. [2021-11-13 17:35:20,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:35:20,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 18 letters. Loop has 4 letters. [2021-11-13 17:35:20,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:35:20,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 14 letters. Loop has 8 letters. [2021-11-13 17:35:20,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:35:20,664 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2021-11-13 17:35:20,668 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-11-13 17:35:20,669 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 34 states and 42 transitions. [2021-11-13 17:35:20,670 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-11-13 17:35:20,670 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-11-13 17:35:20,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 42 transitions. [2021-11-13 17:35:20,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:35:20,672 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-11-13 17:35:20,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 42 transitions. [2021-11-13 17:35:20,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-11-13 17:35:20,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 33 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:20,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2021-11-13 17:35:20,678 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-11-13 17:35:20,678 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-11-13 17:35:20,678 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-13 17:35:20,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2021-11-13 17:35:20,680 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-11-13 17:35:20,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:35:20,680 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:35:20,681 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:35:20,681 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-13 17:35:20,682 INFO L791 eck$LassoCheckResult]: Stem: 675#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 676#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~post7#1, main_~i~1#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~ret12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~post14#1, main_~i~2#1, main_#t~ret16#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 684#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 687#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 688#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 697#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 704#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 703#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 702#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 701#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 700#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 699#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 698#L34-3 assume !(main_~i~1#1 < 5); 677#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem4#1, max_#t~ite6#1, max_#t~mem5#1, max_#t~post3#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 678#L20-3 assume !(max_~i~0#1 < 5); 685#L20-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 686#L23 main_#t~ret9#1 := max_#res#1;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem4#1, max_#t~ite6#1, max_#t~mem5#1, max_#t~post3#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 683#L20-8 [2021-11-13 17:35:20,682 INFO L793 eck$LassoCheckResult]: Loop: 683#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 671#L21-3 assume max_~ret~0#1 < max_#t~mem4#1;call max_#t~mem5#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite6#1 := max_#t~mem5#1; 672#L21-5 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 689#L20-7 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 683#L20-8 [2021-11-13 17:35:20,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:20,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1638581251, now seen corresponding path program 1 times [2021-11-13 17:35:20,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:20,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551845643] [2021-11-13 17:35:20,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:20,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-13 17:35:20,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:35:20,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551845643] [2021-11-13 17:35:20,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551845643] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:35:20,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:35:20,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:35:20,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622128476] [2021-11-13 17:35:20,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:35:20,730 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:35:20,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:20,730 INFO L85 PathProgramCache]: Analyzing trace with hash 2373478, now seen corresponding path program 1 times [2021-11-13 17:35:20,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:20,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633570875] [2021-11-13 17:35:20,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:20,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:20,735 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:35:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:20,740 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:35:20,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:35:20,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:35:20,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:35:20,792 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:20,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:35:20,827 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2021-11-13 17:35:20,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:35:20,828 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 55 transitions. [2021-11-13 17:35:20,829 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-11-13 17:35:20,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 55 transitions. [2021-11-13 17:35:20,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-11-13 17:35:20,830 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-11-13 17:35:20,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 55 transitions. [2021-11-13 17:35:20,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:35:20,831 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 55 transitions. [2021-11-13 17:35:20,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 55 transitions. [2021-11-13 17:35:20,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 35. [2021-11-13 17:35:20,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2) internal successors, (42), 34 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:20,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2021-11-13 17:35:20,834 INFO L704 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-11-13 17:35:20,834 INFO L587 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-11-13 17:35:20,834 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-13 17:35:20,834 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 42 transitions. [2021-11-13 17:35:20,835 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-11-13 17:35:20,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:35:20,835 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:35:20,836 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:35:20,836 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-13 17:35:20,836 INFO L791 eck$LassoCheckResult]: Stem: 758#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 759#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~post7#1, main_~i~1#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~ret12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~post14#1, main_~i~2#1, main_#t~ret16#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 769#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 772#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 773#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 783#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 790#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 789#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 788#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 787#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 786#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 785#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 784#L34-3 assume !(main_~i~1#1 < 5); 762#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem4#1, max_#t~ite6#1, max_#t~mem5#1, max_#t~post3#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 763#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 776#L21 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 778#L21-2 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 779#L20-2 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 777#L20-3 assume !(max_~i~0#1 < 5); 770#L20-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 771#L23 main_#t~ret9#1 := max_#res#1;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem4#1, max_#t~ite6#1, max_#t~mem5#1, max_#t~post3#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 768#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 756#L21-3 [2021-11-13 17:35:20,836 INFO L793 eck$LassoCheckResult]: Loop: 756#L21-3 assume max_~ret~0#1 < max_#t~mem4#1;call max_#t~mem5#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite6#1 := max_#t~mem5#1; 757#L21-5 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 774#L20-7 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 782#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 756#L21-3 [2021-11-13 17:35:20,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:20,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1336698829, now seen corresponding path program 1 times [2021-11-13 17:35:20,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:20,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672752873] [2021-11-13 17:35:20,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:20,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:20,879 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-13 17:35:20,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:35:20,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672752873] [2021-11-13 17:35:20,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672752873] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:35:20,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746356389] [2021-11-13 17:35:20,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:20,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:35:20,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:20,881 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:35:20,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2021-11-13 17:35:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:20,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 17:35:20,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:35:21,027 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-13 17:35:21,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:35:21,079 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-13 17:35:21,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746356389] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:35:21,080 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:35:21,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-13 17:35:21,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979928548] [2021-11-13 17:35:21,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:35:21,081 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:35:21,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:21,081 INFO L85 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 2 times [2021-11-13 17:35:21,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:21,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880203801] [2021-11-13 17:35:21,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:21,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:21,087 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:35:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:21,092 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:35:21,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:35:21,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:35:21,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:35:21,170 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:21,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:35:21,259 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions. [2021-11-13 17:35:21,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 17:35:21,261 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 88 transitions. [2021-11-13 17:35:21,262 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-11-13 17:35:21,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 72 states and 88 transitions. [2021-11-13 17:35:21,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2021-11-13 17:35:21,263 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2021-11-13 17:35:21,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 88 transitions. [2021-11-13 17:35:21,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:35:21,264 INFO L681 BuchiCegarLoop]: Abstraction has 72 states and 88 transitions. [2021-11-13 17:35:21,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 88 transitions. [2021-11-13 17:35:21,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 59. [2021-11-13 17:35:21,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 58 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:21,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 72 transitions. [2021-11-13 17:35:21,268 INFO L704 BuchiCegarLoop]: Abstraction has 59 states and 72 transitions. [2021-11-13 17:35:21,268 INFO L587 BuchiCegarLoop]: Abstraction has 59 states and 72 transitions. [2021-11-13 17:35:21,268 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-13 17:35:21,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 72 transitions. [2021-11-13 17:35:21,268 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-11-13 17:35:21,268 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:35:21,269 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:35:21,270 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:35:21,271 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-13 17:35:21,271 INFO L791 eck$LassoCheckResult]: Stem: 1001#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 1002#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~post7#1, main_~i~1#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~ret12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~post14#1, main_~i~2#1, main_#t~ret16#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1012#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 1015#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1016#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 1031#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1042#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 1040#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1038#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 1035#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1034#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 1033#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1032#L34-3 assume !(main_~i~1#1 < 5); 1005#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem4#1, max_#t~ite6#1, max_#t~mem5#1, max_#t~post3#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1006#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1020#L21 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1023#L21-2 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1051#L20-2 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1021#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1022#L21 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1026#L21-2 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1024#L20-2 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1025#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1049#L21 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1047#L21-2 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1044#L20-2 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1043#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1037#L21 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1041#L21-2 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1039#L20-2 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1036#L20-3 assume !(max_~i~0#1 < 5); 1013#L20-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 1014#L23 main_#t~ret9#1 := max_#res#1;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem4#1, max_#t~ite6#1, max_#t~mem5#1, max_#t~post3#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1011#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 999#L21-3 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1000#L21-5 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1029#L20-7 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1030#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1057#L21-3 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1017#L21-5 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1018#L20-7 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1056#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1055#L21-3 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1054#L21-5 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1053#L20-7 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1052#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1046#L21-3 [2021-11-13 17:35:21,271 INFO L793 eck$LassoCheckResult]: Loop: 1046#L21-3 assume max_~ret~0#1 < max_#t~mem4#1;call max_#t~mem5#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite6#1 := max_#t~mem5#1; 1050#L21-5 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1048#L20-7 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1045#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1046#L21-3 [2021-11-13 17:35:21,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:21,272 INFO L85 PathProgramCache]: Analyzing trace with hash 2023971731, now seen corresponding path program 1 times [2021-11-13 17:35:21,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:21,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23699376] [2021-11-13 17:35:21,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:21,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:21,379 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 17:35:21,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:35:21,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23699376] [2021-11-13 17:35:21,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23699376] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:35:21,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718561081] [2021-11-13 17:35:21,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:21,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:35:21,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:21,382 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:35:21,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2021-11-13 17:35:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:21,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:35:21,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:35:21,550 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 17:35:21,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:35:21,654 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 17:35:21,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718561081] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:35:21,655 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:35:21,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2021-11-13 17:35:21,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967056495] [2021-11-13 17:35:21,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:35:21,657 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:35:21,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:21,657 INFO L85 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 3 times [2021-11-13 17:35:21,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:21,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659447706] [2021-11-13 17:35:21,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:21,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:21,663 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:35:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:21,673 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:35:21,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:35:21,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 17:35:21,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:35:21,769 INFO L87 Difference]: Start difference. First operand 59 states and 72 transitions. cyclomatic complexity: 18 Second operand has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:21,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:35:21,876 INFO L93 Difference]: Finished difference Result 84 states and 103 transitions. [2021-11-13 17:35:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:35:21,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 103 transitions. [2021-11-13 17:35:21,878 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-11-13 17:35:21,879 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 84 states and 103 transitions. [2021-11-13 17:35:21,880 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 54 [2021-11-13 17:35:21,880 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2021-11-13 17:35:21,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 84 states and 103 transitions. [2021-11-13 17:35:21,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:35:21,881 INFO L681 BuchiCegarLoop]: Abstraction has 84 states and 103 transitions. [2021-11-13 17:35:21,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states and 103 transitions. [2021-11-13 17:35:21,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 67. [2021-11-13 17:35:21,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.2238805970149254) internal successors, (82), 66 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:21,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 82 transitions. [2021-11-13 17:35:21,885 INFO L704 BuchiCegarLoop]: Abstraction has 67 states and 82 transitions. [2021-11-13 17:35:21,885 INFO L587 BuchiCegarLoop]: Abstraction has 67 states and 82 transitions. [2021-11-13 17:35:21,885 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-13 17:35:21,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 82 transitions. [2021-11-13 17:35:21,886 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-11-13 17:35:21,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:35:21,886 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:35:21,887 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:35:21,888 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-13 17:35:21,888 INFO L791 eck$LassoCheckResult]: Stem: 1425#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 1426#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~post7#1, main_~i~1#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~ret12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~post14#1, main_~i~2#1, main_#t~ret16#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1437#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 1440#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1441#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 1452#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1463#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 1461#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1459#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 1456#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1455#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 1454#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1453#L34-3 assume !(main_~i~1#1 < 5); 1429#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem4#1, max_#t~ite6#1, max_#t~mem5#1, max_#t~post3#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1430#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1444#L21 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1447#L21-2 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1448#L20-2 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1445#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1446#L21 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1482#L21-2 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1480#L20-2 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1478#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1476#L21 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1474#L21-2 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1473#L20-2 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1471#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1469#L21 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1466#L21-2 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1465#L20-2 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1464#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1458#L21 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1462#L21-2 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1460#L20-2 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1457#L20-3 assume !(max_~i~0#1 < 5); 1438#L20-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 1439#L23 main_#t~ret9#1 := max_#res#1;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem4#1, max_#t~ite6#1, max_#t~mem5#1, max_#t~post3#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1449#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1423#L21-3 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1424#L21-5 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1442#L20-7 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1435#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1436#L21-3 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1489#L21-5 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1488#L20-7 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1487#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1486#L21-3 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1485#L21-5 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1484#L20-7 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1483#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1481#L21-3 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1479#L21-5 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1477#L20-7 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1475#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1468#L21-3 [2021-11-13 17:35:21,888 INFO L793 eck$LassoCheckResult]: Loop: 1468#L21-3 assume max_~ret~0#1 < max_#t~mem4#1;call max_#t~mem5#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite6#1 := max_#t~mem5#1; 1472#L21-5 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1470#L20-7 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1467#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1468#L21-3 [2021-11-13 17:35:21,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:21,889 INFO L85 PathProgramCache]: Analyzing trace with hash 669208243, now seen corresponding path program 2 times [2021-11-13 17:35:21,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:21,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055019381] [2021-11-13 17:35:21,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:21,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:21,978 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:35:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:22,072 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:35:22,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:22,073 INFO L85 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 4 times [2021-11-13 17:35:22,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:22,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304113379] [2021-11-13 17:35:22,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:22,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:22,079 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:35:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:22,085 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:35:22,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:22,086 INFO L85 PathProgramCache]: Analyzing trace with hash -746698386, now seen corresponding path program 1 times [2021-11-13 17:35:22,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:22,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423102755] [2021-11-13 17:35:22,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:22,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:22,182 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 28 proven. 17 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-13 17:35:22,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:35:22,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423102755] [2021-11-13 17:35:22,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423102755] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:35:22,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964095655] [2021-11-13 17:35:22,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:22,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:35:22,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:22,186 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:35:22,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2021-11-13 17:35:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:22,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 17:35:22,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:35:22,418 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-13 17:35:22,419 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:35:22,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964095655] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:35:22,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 17:35:22,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2021-11-13 17:35:22,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922283345] [2021-11-13 17:35:22,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:35:22,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:35:22,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 17:35:22,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:35:22,490 INFO L87 Difference]: Start difference. First operand 67 states and 82 transitions. cyclomatic complexity: 20 Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:22,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:35:22,630 INFO L93 Difference]: Finished difference Result 84 states and 100 transitions. [2021-11-13 17:35:22,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 17:35:22,631 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 100 transitions. [2021-11-13 17:35:22,632 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-13 17:35:22,633 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 62 states and 73 transitions. [2021-11-13 17:35:22,633 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-11-13 17:35:22,634 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2021-11-13 17:35:22,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 73 transitions. [2021-11-13 17:35:22,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:35:22,634 INFO L681 BuchiCegarLoop]: Abstraction has 62 states and 73 transitions. [2021-11-13 17:35:22,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 73 transitions. [2021-11-13 17:35:22,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2021-11-13 17:35:22,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.1774193548387097) internal successors, (73), 61 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:35:22,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 73 transitions. [2021-11-13 17:35:22,638 INFO L704 BuchiCegarLoop]: Abstraction has 62 states and 73 transitions. [2021-11-13 17:35:22,638 INFO L587 BuchiCegarLoop]: Abstraction has 62 states and 73 transitions. [2021-11-13 17:35:22,638 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-13 17:35:22,638 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 73 transitions. [2021-11-13 17:35:22,638 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-13 17:35:22,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:35:22,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:35:22,640 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:35:22,640 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:35:22,640 INFO L791 eck$LassoCheckResult]: Stem: 1761#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 1762#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~post7#1, main_~i~1#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~ret12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~post14#1, main_~i~2#1, main_#t~ret16#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1770#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 1773#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1774#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 1784#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1796#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 1794#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1792#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 1790#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1788#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet8#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet8#1; 1786#L34-2 main_#t~post7#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1785#L34-3 assume !(main_~i~1#1 < 5); 1765#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem4#1, max_#t~ite6#1, max_#t~mem5#1, max_#t~post3#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1766#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1776#L21 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1811#L21-2 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1779#L20-2 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1780#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1777#L21 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1778#L21-2 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1782#L20-2 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1808#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1806#L21 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1804#L21-2 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1802#L20-2 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1800#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1799#L21 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1798#L21-2 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1797#L20-2 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1795#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1793#L21 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1791#L21-2 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1789#L20-2 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1787#L20-3 assume !(max_~i~0#1 < 5); 1771#L20-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 1772#L23 main_#t~ret9#1 := max_#res#1;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem4#1, max_#t~ite6#1, max_#t~mem5#1, max_#t~post3#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1781#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1820#L21-3 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1819#L21-5 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1783#L20-7 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1769#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1759#L21-3 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1760#L21-5 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1775#L20-7 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1818#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1817#L21-3 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1816#L21-5 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1815#L20-7 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1814#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1813#L21-3 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1812#L21-5 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1810#L20-7 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1809#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem4#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1807#L21-3 assume !(max_~ret~0#1 < max_#t~mem4#1);max_#t~ite6#1 := max_~ret~0#1; 1805#L21-5 max_~ret~0#1 := max_#t~ite6#1;havoc max_#t~mem4#1;havoc max_#t~ite6#1;havoc max_#t~mem5#1; 1803#L20-7 max_#t~post3#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post3#1;havoc max_#t~post3#1; 1801#L20-8 assume !(max_~i~0#1 < 5); 1763#L20-9 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 1764#L23-1 main_#t~ret12#1 := max_#res#1;assume { :end_inline_max } true;main_~ret2~0#1 := main_#t~ret12#1;havoc main_#t~ret12#1;call main_#t~mem13#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem13#1;havoc main_#t~mem13#1;main_~i~2#1 := 0; 1768#L43-3 [2021-11-13 17:35:22,640 INFO L793 eck$LassoCheckResult]: Loop: 1768#L43-3 assume !!(main_~i~2#1 < 4);call main_#t~mem15#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int(main_#t~mem15#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem15#1; 1767#L43-2 main_#t~post14#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 1768#L43-3 [2021-11-13 17:35:22,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:22,641 INFO L85 PathProgramCache]: Analyzing trace with hash -260352212, now seen corresponding path program 1 times [2021-11-13 17:35:22,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:22,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820423346] [2021-11-13 17:35:22,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:22,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:22,675 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:35:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:22,724 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:35:22,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:22,725 INFO L85 PathProgramCache]: Analyzing trace with hash 3203, now seen corresponding path program 1 times [2021-11-13 17:35:22,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:22,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400853474] [2021-11-13 17:35:22,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:22,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:22,729 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:35:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:22,732 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:35:22,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:22,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1090370322, now seen corresponding path program 1 times [2021-11-13 17:35:22,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:22,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343567358] [2021-11-13 17:35:22,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:22,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:22,760 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:35:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:35:22,826 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:35:27,795 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:35:27,795 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:35:27,795 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:35:27,795 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:35:27,795 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:35:27,795 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:27,795 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:35:27,795 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:35:27,795 INFO L133 ssoRankerPreferences]: Filename of dumped script: max05-1.i_Iteration10_Lasso [2021-11-13 17:35:27,795 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:35:27,796 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:35:27,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:27,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:27,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:27,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:27,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:27,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:27,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:27,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:27,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:27,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:27,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:27,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:27,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:27,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:28,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:28,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:28,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:28,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:28,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:28,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:28,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:28,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:35:28,780 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:35:28,780 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 17:35:28,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:28,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:28,795 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:28,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:28,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:28,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:28,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:28,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:28,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:28,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:28,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:28,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-13 17:35:28,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:28,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:28,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:28,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:28,861 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:28,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:28,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:28,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:28,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:28,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:28,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:28,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:28,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-13 17:35:28,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:28,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:28,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:28,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:28,911 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:28,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-13 17:35:28,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:28,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:28,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:28,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:28,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:28,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:28,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:28,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:28,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:28,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:28,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:28,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:28,945 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:28,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:28,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:28,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:28,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:28,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:28,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:28,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:28,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:28,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:28,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-13 17:35:28,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-11-13 17:35:28,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:28,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:28,999 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:29,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,013 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:29,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:29,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-13 17:35:29,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:29,062 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,063 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-13 17:35:29,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:29,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:29,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:29,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:29,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,128 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-13 17:35:29,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:29,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:29,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:29,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,186 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,201 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:29,201 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:29,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-13 17:35:29,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:29,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,251 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:29,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:29,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:29,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-13 17:35:29,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:29,305 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,306 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-13 17:35:29,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:29,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:29,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-13 17:35:29,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,342 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-13 17:35:29,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:29,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:29,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:29,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-11-13 17:35:29,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,373 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-13 17:35:29,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:29,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:29,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:29,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:29,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,415 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-13 17:35:29,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:29,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:29,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:29,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,474 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-13 17:35:29,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:29,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:29,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-13 17:35:29,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,512 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-13 17:35:29,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:29,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:29,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-13 17:35:29,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,557 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-13 17:35:29,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:29,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:29,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-13 17:35:29,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,589 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-13 17:35:29,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:29,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:29,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-13 17:35:29,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,669 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-13 17:35:29,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,680 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:29,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:29,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-11-13 17:35:29,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,707 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-13 17:35:29,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:29,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:29,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:29,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:29,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,756 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-13 17:35:29,757 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 [2021-11-13 17:35:29,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:29,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:29,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:29,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:29,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,794 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:29,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:29,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-13 17:35:29,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:29,850 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,851 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:29,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:29,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-13 17:35:29,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-11-13 17:35:29,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,898 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-13 17:35:29,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,907 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:29,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:29,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-11-13 17:35:29,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,930 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-13 17:35:29,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:29,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:29,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:29,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-11-13 17:35:29,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:29,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:29,963 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:29,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-13 17:35:29,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:29,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:29,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:35:29,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:29,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:29,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:29,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:35:29,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:35:29,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:35:30,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:30,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:30,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:30,005 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:30,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-13 17:35:30,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:35:30,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:35:30,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:35:30,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:35:30,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:35:30,020 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:35:30,020 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:35:30,050 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 17:35:30,071 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-13 17:35:30,071 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-11-13 17:35:30,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:35:30,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:35:30,076 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:35:30,081 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 17:35:30,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-13 17:35:30,095 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-13 17:35:30,095 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 17:35:30,095 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~2#1) = -2*ULTIMATE.start_main_~i~2#1 + 7 Supporting invariants [] [2021-11-13 17:35:30,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-13 17:35:30,230 INFO L297 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2021-11-13 17:35:30,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:30,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:35:30,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:35:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:30,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:35:30,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:35:30,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:35:30,457 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-13 17:35:30,457 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 62 states and 73 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2021-11-13 17:35:30,467 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 62 states and 73 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) Result 64 states and 76 transitions. Complement of second has 4 states. [2021-11-13 17:35:30,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-13 17:35:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2021-11-13 17:35:30,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2021-11-13 17:35:30,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 60 letters. Loop has 2 letters. [2021-11-13 17:35:30,470 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:35:30,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 62 letters. Loop has 2 letters. [2021-11-13 17:35:30,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:35:30,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 60 letters. Loop has 4 letters. [2021-11-13 17:35:30,474 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:35:30,474 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 76 transitions. [2021-11-13 17:35:30,475 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-13 17:35:30,475 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 0 states and 0 transitions. [2021-11-13 17:35:30,475 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-13 17:35:30,475 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-13 17:35:30,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-13 17:35:30,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:35:30,476 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 17:35:30,476 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 17:35:30,476 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 17:35:30,476 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-11-13 17:35:30,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-13 17:35:30,476 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-13 17:35:30,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-13 17:35:30,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 05:35:30 BoogieIcfgContainer [2021-11-13 17:35:30,489 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-13 17:35:30,489 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 17:35:30,489 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 17:35:30,490 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 17:35:30,491 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:35:12" (3/4) ... [2021-11-13 17:35:30,494 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 17:35:30,495 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 17:35:30,496 INFO L158 Benchmark]: Toolchain (without parser) took 18462.33ms. Allocated memory was 121.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Free memory was 80.2MB in the beginning and 79.5MB in the end (delta: 671.4kB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2021-11-13 17:35:30,496 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:35:30,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.01ms. Allocated memory is still 121.6MB. Free memory was 79.9MB in the beginning and 95.3MB in the end (delta: -15.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 17:35:30,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.86ms. Allocated memory is still 121.6MB. Free memory was 95.3MB in the beginning and 93.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 17:35:30,498 INFO L158 Benchmark]: Boogie Preprocessor took 53.76ms. Allocated memory is still 121.6MB. Free memory was 93.7MB in the beginning and 92.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 17:35:30,498 INFO L158 Benchmark]: RCFGBuilder took 399.77ms. Allocated memory is still 121.6MB. Free memory was 92.1MB in the beginning and 79.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 17:35:30,499 INFO L158 Benchmark]: BuchiAutomizer took 17599.44ms. Allocated memory was 121.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Free memory was 79.0MB in the beginning and 79.5MB in the end (delta: -483.0kB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2021-11-13 17:35:30,499 INFO L158 Benchmark]: Witness Printer took 5.54ms. Allocated memory is still 153.1MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:35:30,501 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.01ms. Allocated memory is still 121.6MB. Free memory was 79.9MB in the beginning and 95.3MB in the end (delta: -15.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.86ms. Allocated memory is still 121.6MB. Free memory was 95.3MB in the beginning and 93.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.76ms. Allocated memory is still 121.6MB. Free memory was 93.7MB in the beginning and 92.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 399.77ms. Allocated memory is still 121.6MB. Free memory was 92.1MB in the beginning and 79.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 17599.44ms. Allocated memory was 121.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Free memory was 79.0MB in the beginning and 79.5MB in the end (delta: -483.0kB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * Witness Printer took 5.54ms. Allocated memory is still 153.1MB. Free memory is still 79.5MB. 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 10 terminating modules (7 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -8 * i + 9 * unknown-#length-unknown[x] and consists of 5 locations. One deterministic module has affine ranking function 9 * unknown-#length-unknown[x] + -8 * i and consists of 4 locations. One deterministic module has affine ranking function -2 * i + 7 and consists of 3 locations. 7 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 17.4s and 11 iterations. TraceHistogramMax:5. Analysis of lassos took 15.9s. Construction of modules took 0.3s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 10. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 41 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 67 states and ocurred in iteration 8. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 298 SdHoareTripleChecker+Valid, 459.08ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 295 mSDsluCounter, 720 SdHoareTripleChecker+Invalid, 354.15ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 471 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 376 IncrementalHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 249 mSDtfsCounter, 376 mSolverCounterSat, 20.52ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU6 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital263 mio100 ax100 hnf100 lsp94 ukn50 mio100 lsp44 div100 bol100 ite100 ukn100 eq160 hnf91 smp93 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-13 17:35:30,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:30,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2021-11-13 17:35:30,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2021-11-13 17:35:31,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2021-11-13 17:35:31,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:31,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-11-13 17:35:31,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a6458d-acee-4e50-b7a1-7f14b13e24e8/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE