./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer --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 b60d0a2361544de13d982747fad9d912bc87905e 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............................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:59:25,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:59:25,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:59:25,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:59:25,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:59:25,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:59:25,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:59:25,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:59:25,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:59:25,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:59:25,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:59:25,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:59:25,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:59:25,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:59:25,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:59:25,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:59:25,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:59:25,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:59:25,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:59:25,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:59:25,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:59:25,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:59:25,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:59:25,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:59:25,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:59:25,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:59:25,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:59:25,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:59:25,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:59:25,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:59:25,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:59:25,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:59:25,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:59:25,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:59:25,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:59:25,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:59:25,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:59:25,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:59:25,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:59:25,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:59:25,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:59:25,389 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 02:59:25,428 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:59:25,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:59:25,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:59:25,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:59:25,430 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:59:25,431 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 02:59:25,431 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 02:59:25,431 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 02:59:25,431 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 02:59:25,431 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 02:59:25,432 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 02:59:25,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:59:25,433 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:59:25,433 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 02:59:25,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:59:25,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:59:25,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:59:25,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 02:59:25,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 02:59:25,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 02:59:25,435 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:59:25,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:59:25,435 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 02:59:25,435 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:59:25,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 02:59:25,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:59:25,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:59:25,436 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 02:59:25,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:59:25,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:59:25,438 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:59:25,438 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 02:59:25,439 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 02:59:25,440 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-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b60d0a2361544de13d982747fad9d912bc87905e [2020-11-28 02:59:25,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:59:25,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:59:25,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:59:25,789 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:59:25,791 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:59:25,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c [2020-11-28 02:59:25,872 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/data/3d709d311/ceb2cfd576fa4dae93a0d67a73e484ed/FLAGb988c1bc0 [2020-11-28 02:59:26,304 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:59:26,305 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c [2020-11-28 02:59:26,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/data/3d709d311/ceb2cfd576fa4dae93a0d67a73e484ed/FLAGb988c1bc0 [2020-11-28 02:59:26,703 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/data/3d709d311/ceb2cfd576fa4dae93a0d67a73e484ed [2020-11-28 02:59:26,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:59:26,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:59:26,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:26,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:59:26,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:59:26,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:26" (1/1) ... [2020-11-28 02:59:26,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b157045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:26, skipping insertion in model container [2020-11-28 02:59:26,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:26" (1/1) ... [2020-11-28 02:59:26,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:59:26,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:59:27,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:27,030 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:59:27,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:27,103 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:59:27,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:27 WrapperNode [2020-11-28 02:59:27,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:27,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:27,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:59:27,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:59:27,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:27" (1/1) ... [2020-11-28 02:59:27,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:27" (1/1) ... [2020-11-28 02:59:27,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:27,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:59:27,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:59:27,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:59:27,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:27" (1/1) ... [2020-11-28 02:59:27,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:27" (1/1) ... [2020-11-28 02:59:27,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:27" (1/1) ... [2020-11-28 02:59:27,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:27" (1/1) ... [2020-11-28 02:59:27,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:27" (1/1) ... [2020-11-28 02:59:27,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:27" (1/1) ... [2020-11-28 02:59:27,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:27" (1/1) ... [2020-11-28 02:59:27,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:59:27,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:59:27,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:59:27,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:59:27,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:59:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:59:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:59:27,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:59:28,042 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:59:28,043 INFO L298 CfgBuilder]: Removed 50 assume(true) statements. [2020-11-28 02:59:28,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:28 BoogieIcfgContainer [2020-11-28 02:59:28,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:59:28,048 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 02:59:28,048 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 02:59:28,051 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 02:59:28,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:59:28,052 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:59:26" (1/3) ... [2020-11-28 02:59:28,054 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@207f48e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:59:28, skipping insertion in model container [2020-11-28 02:59:28,055 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:59:28,055 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:27" (2/3) ... [2020-11-28 02:59:28,056 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@207f48e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:59:28, skipping insertion in model container [2020-11-28 02:59:28,056 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:59:28,056 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:28" (3/3) ... [2020-11-28 02:59:28,063 INFO L373 chiAutomizerObserver]: Analyzing ICFG pc_sfifo_1.cil-1.c [2020-11-28 02:59:28,126 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 02:59:28,127 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 02:59:28,127 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 02:59:28,127 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:59:28,127 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:59:28,127 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 02:59:28,128 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:59:28,128 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 02:59:28,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2020-11-28 02:59:28,168 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 69 [2020-11-28 02:59:28,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:59:28,169 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:59:28,175 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-28 02:59:28,175 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:28,175 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 02:59:28,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2020-11-28 02:59:28,185 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 69 [2020-11-28 02:59:28,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:59:28,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:59:28,186 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-28 02:59:28,186 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:28,191 INFO L794 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 9#L-1true havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 34#L348true havoc start_simulation_#t~ret14, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 25#L198true assume !(1 == ~p_dw_i~0);~p_dw_st~0 := 2; 41#L198-2true assume !(1 == ~c_dr_i~0);~c_dr_st~0 := 2; 38#L315-1true [2020-11-28 02:59:28,192 INFO L796 eck$LassoCheckResult]: Loop: 38#L315-1true assume !false; 54#L316true start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret10, eval_#t~nondet11, eval_#t~nondet12, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 30#L264true assume false; 75#L280true havoc stop_simulation_#res;havoc stop_simulation_#t~ret13, stop_simulation_~tmp~2, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~2;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 35#L216-1true assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 58#L228-1true exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 80#L229-1true stop_simulation_#t~ret13 := exists_runnable_thread_#res;stop_simulation_~tmp~2 := stop_simulation_#t~ret13;havoc stop_simulation_#t~ret13; 45#L294true assume 0 != stop_simulation_~tmp~2;stop_simulation_~__retres2~0 := 0; 56#L301true stop_simulation_#res := stop_simulation_~__retres2~0; 77#L302true start_simulation_#t~ret14 := stop_simulation_#res;start_simulation_~tmp~3 := start_simulation_#t~ret14;havoc start_simulation_#t~ret14; 26#L322true assume !(0 != start_simulation_~tmp~3); 38#L315-1true [2020-11-28 02:59:28,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:28,200 INFO L82 PathProgramCache]: Analyzing trace with hash 28692871, now seen corresponding path program 1 times [2020-11-28 02:59:28,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:28,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135932541] [2020-11-28 02:59:28,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:28,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:28,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135932541] [2020-11-28 02:59:28,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:28,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:59:28,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597829256] [2020-11-28 02:59:28,423 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 02:59:28,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:28,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1998802738, now seen corresponding path program 1 times [2020-11-28 02:59:28,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:28,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947590603] [2020-11-28 02:59:28,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:28,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947590603] [2020-11-28 02:59:28,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:28,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:28,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662952646] [2020-11-28 02:59:28,464 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 02:59:28,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:28,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:28,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:28,482 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 3 states. [2020-11-28 02:59:28,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:28,510 INFO L93 Difference]: Finished difference Result 75 states and 103 transitions. [2020-11-28 02:59:28,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:28,512 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 103 transitions. [2020-11-28 02:59:28,522 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2020-11-28 02:59:28,530 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 68 states and 96 transitions. [2020-11-28 02:59:28,531 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2020-11-28 02:59:28,532 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2020-11-28 02:59:28,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 96 transitions. [2020-11-28 02:59:28,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 02:59:28,535 INFO L691 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2020-11-28 02:59:28,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 96 transitions. [2020-11-28 02:59:28,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-11-28 02:59:28,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-11-28 02:59:28,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2020-11-28 02:59:28,591 INFO L714 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2020-11-28 02:59:28,591 INFO L594 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2020-11-28 02:59:28,591 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 02:59:28,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 96 transitions. [2020-11-28 02:59:28,593 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2020-11-28 02:59:28,593 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:59:28,593 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:59:28,594 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-28 02:59:28,594 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:28,594 INFO L794 eck$LassoCheckResult]: Stem: 201#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 170#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 171#L348 havoc start_simulation_#t~ret14, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 191#L198 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 192#L198-2 assume !(1 == ~c_dr_i~0);~c_dr_st~0 := 2; 194#L315-1 [2020-11-28 02:59:28,594 INFO L796 eck$LassoCheckResult]: Loop: 194#L315-1 assume !false; 206#L316 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret10, eval_#t~nondet11, eval_#t~nondet12, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 187#L264 assume !false; 200#L240 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 203#L216 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 196#L228 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 224#L229 eval_#t~ret10 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret10;havoc eval_#t~ret10; 225#L244 assume !(0 != eval_~tmp___1~0); 229#L280 havoc stop_simulation_#res;havoc stop_simulation_#t~ret13, stop_simulation_~tmp~2, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~2;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 202#L216-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 190#L228-1 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 223#L229-1 stop_simulation_#t~ret13 := exists_runnable_thread_#res;stop_simulation_~tmp~2 := stop_simulation_#t~ret13;havoc stop_simulation_#t~ret13; 212#L294 assume 0 != stop_simulation_~tmp~2;stop_simulation_~__retres2~0 := 0; 213#L301 stop_simulation_#res := stop_simulation_~__retres2~0; 222#L302 start_simulation_#t~ret14 := stop_simulation_#res;start_simulation_~tmp~3 := start_simulation_#t~ret14;havoc start_simulation_#t~ret14; 193#L322 assume !(0 != start_simulation_~tmp~3); 194#L315-1 [2020-11-28 02:59:28,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:28,595 INFO L82 PathProgramCache]: Analyzing trace with hash 28692809, now seen corresponding path program 1 times [2020-11-28 02:59:28,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:28,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843232658] [2020-11-28 02:59:28,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:28,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:28,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843232658] [2020-11-28 02:59:28,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:28,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:28,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16823556] [2020-11-28 02:59:28,642 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 02:59:28,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:28,643 INFO L82 PathProgramCache]: Analyzing trace with hash -2072654239, now seen corresponding path program 1 times [2020-11-28 02:59:28,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:28,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260557777] [2020-11-28 02:59:28,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:28,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:28,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260557777] [2020-11-28 02:59:28,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:28,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:59:28,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542086284] [2020-11-28 02:59:28,695 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 02:59:28,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:28,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:28,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:28,696 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. cyclomatic complexity: 29 Second operand 3 states. [2020-11-28 02:59:28,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:28,717 INFO L93 Difference]: Finished difference Result 68 states and 95 transitions. [2020-11-28 02:59:28,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:28,718 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 95 transitions. [2020-11-28 02:59:28,722 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2020-11-28 02:59:28,725 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 68 states and 95 transitions. [2020-11-28 02:59:28,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2020-11-28 02:59:28,728 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2020-11-28 02:59:28,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 95 transitions. [2020-11-28 02:59:28,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 02:59:28,730 INFO L691 BuchiCegarLoop]: Abstraction has 68 states and 95 transitions. [2020-11-28 02:59:28,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 95 transitions. [2020-11-28 02:59:28,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-11-28 02:59:28,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-11-28 02:59:28,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 95 transitions. [2020-11-28 02:59:28,740 INFO L714 BuchiCegarLoop]: Abstraction has 68 states and 95 transitions. [2020-11-28 02:59:28,740 INFO L594 BuchiCegarLoop]: Abstraction has 68 states and 95 transitions. [2020-11-28 02:59:28,740 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 02:59:28,740 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 95 transitions. [2020-11-28 02:59:28,741 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2020-11-28 02:59:28,742 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:59:28,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:59:28,743 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-28 02:59:28,743 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:28,744 INFO L794 eck$LassoCheckResult]: Stem: 346#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 315#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 316#L348 havoc start_simulation_#t~ret14, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 336#L198 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 337#L198-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 339#L315-1 [2020-11-28 02:59:28,744 INFO L796 eck$LassoCheckResult]: Loop: 339#L315-1 assume !false; 352#L316 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret10, eval_#t~nondet11, eval_#t~nondet12, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 332#L264 assume !false; 345#L240 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 348#L216 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 341#L228 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 369#L229 eval_#t~ret10 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret10;havoc eval_#t~ret10; 370#L244 assume !(0 != eval_~tmp___1~0); 374#L280 havoc stop_simulation_#res;havoc stop_simulation_#t~ret13, stop_simulation_~tmp~2, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~2;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 347#L216-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 335#L228-1 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 368#L229-1 stop_simulation_#t~ret13 := exists_runnable_thread_#res;stop_simulation_~tmp~2 := stop_simulation_#t~ret13;havoc stop_simulation_#t~ret13; 357#L294 assume 0 != stop_simulation_~tmp~2;stop_simulation_~__retres2~0 := 0; 358#L301 stop_simulation_#res := stop_simulation_~__retres2~0; 366#L302 start_simulation_#t~ret14 := stop_simulation_#res;start_simulation_~tmp~3 := start_simulation_#t~ret14;havoc start_simulation_#t~ret14; 338#L322 assume !(0 != start_simulation_~tmp~3); 339#L315-1 [2020-11-28 02:59:28,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:28,745 INFO L82 PathProgramCache]: Analyzing trace with hash 28692807, now seen corresponding path program 1 times [2020-11-28 02:59:28,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:28,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926579613] [2020-11-28 02:59:28,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:28,766 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:28,806 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:28,833 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:59:28,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:28,835 INFO L82 PathProgramCache]: Analyzing trace with hash -2072654239, now seen corresponding path program 2 times [2020-11-28 02:59:28,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:28,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917355424] [2020-11-28 02:59:28,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:28,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:28,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917355424] [2020-11-28 02:59:28,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:28,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:59:28,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555637570] [2020-11-28 02:59:28,924 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 02:59:28,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:28,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:59:28,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:59:28,925 INFO L87 Difference]: Start difference. First operand 68 states and 95 transitions. cyclomatic complexity: 28 Second operand 5 states. [2020-11-28 02:59:29,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:29,074 INFO L93 Difference]: Finished difference Result 134 states and 185 transitions. [2020-11-28 02:59:29,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 02:59:29,077 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 134 states and 185 transitions. [2020-11-28 02:59:29,079 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 129 [2020-11-28 02:59:29,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 134 states to 134 states and 185 transitions. [2020-11-28 02:59:29,083 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 134 [2020-11-28 02:59:29,084 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 134 [2020-11-28 02:59:29,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 134 states and 185 transitions. [2020-11-28 02:59:29,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 02:59:29,088 INFO L691 BuchiCegarLoop]: Abstraction has 134 states and 185 transitions. [2020-11-28 02:59:29,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states and 185 transitions. [2020-11-28 02:59:29,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 71. [2020-11-28 02:59:29,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-28 02:59:29,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 98 transitions. [2020-11-28 02:59:29,100 INFO L714 BuchiCegarLoop]: Abstraction has 71 states and 98 transitions. [2020-11-28 02:59:29,100 INFO L594 BuchiCegarLoop]: Abstraction has 71 states and 98 transitions. [2020-11-28 02:59:29,100 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-28 02:59:29,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 98 transitions. [2020-11-28 02:59:29,101 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2020-11-28 02:59:29,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:59:29,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:59:29,103 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-28 02:59:29,103 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:29,104 INFO L794 eck$LassoCheckResult]: Stem: 565#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 533#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 534#L348 havoc start_simulation_#t~ret14, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 554#L198 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 555#L198-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 557#L315-1 [2020-11-28 02:59:29,104 INFO L796 eck$LassoCheckResult]: Loop: 557#L315-1 assume !false; 570#L316 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret10, eval_#t~nondet11, eval_#t~nondet12, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 550#L264 assume !false; 564#L240 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 567#L216 assume !(0 == ~p_dw_st~0); 558#L220 assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2 := 0; 559#L228 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 595#L229 eval_#t~ret10 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret10;havoc eval_#t~ret10; 594#L244 assume !(0 != eval_~tmp___1~0); 593#L280 havoc stop_simulation_#res;havoc stop_simulation_#t~ret13, stop_simulation_~tmp~2, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~2;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 566#L216-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 553#L228-1 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 587#L229-1 stop_simulation_#t~ret13 := exists_runnable_thread_#res;stop_simulation_~tmp~2 := stop_simulation_#t~ret13;havoc stop_simulation_#t~ret13; 576#L294 assume 0 != stop_simulation_~tmp~2;stop_simulation_~__retres2~0 := 0; 577#L301 stop_simulation_#res := stop_simulation_~__retres2~0; 585#L302 start_simulation_#t~ret14 := stop_simulation_#res;start_simulation_~tmp~3 := start_simulation_#t~ret14;havoc start_simulation_#t~ret14; 556#L322 assume !(0 != start_simulation_~tmp~3); 557#L315-1 [2020-11-28 02:59:29,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:29,105 INFO L82 PathProgramCache]: Analyzing trace with hash 28692807, now seen corresponding path program 2 times [2020-11-28 02:59:29,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:29,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841113224] [2020-11-28 02:59:29,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:29,137 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:29,150 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:29,157 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:59:29,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:29,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1214312452, now seen corresponding path program 1 times [2020-11-28 02:59:29,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:29,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397823400] [2020-11-28 02:59:29,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:29,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:29,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397823400] [2020-11-28 02:59:29,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:29,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:59:29,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207380117] [2020-11-28 02:59:29,181 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 02:59:29,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:29,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:29,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:29,182 INFO L87 Difference]: Start difference. First operand 71 states and 98 transitions. cyclomatic complexity: 28 Second operand 3 states. [2020-11-28 02:59:29,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:29,229 INFO L93 Difference]: Finished difference Result 116 states and 156 transitions. [2020-11-28 02:59:29,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:29,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 116 states and 156 transitions. [2020-11-28 02:59:29,231 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 109 [2020-11-28 02:59:29,233 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 116 states to 116 states and 156 transitions. [2020-11-28 02:59:29,233 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2020-11-28 02:59:29,233 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2020-11-28 02:59:29,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 156 transitions. [2020-11-28 02:59:29,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 02:59:29,235 INFO L691 BuchiCegarLoop]: Abstraction has 116 states and 156 transitions. [2020-11-28 02:59:29,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 156 transitions. [2020-11-28 02:59:29,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 99. [2020-11-28 02:59:29,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-11-28 02:59:29,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 132 transitions. [2020-11-28 02:59:29,243 INFO L714 BuchiCegarLoop]: Abstraction has 99 states and 132 transitions. [2020-11-28 02:59:29,243 INFO L594 BuchiCegarLoop]: Abstraction has 99 states and 132 transitions. [2020-11-28 02:59:29,243 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-28 02:59:29,244 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 132 transitions. [2020-11-28 02:59:29,244 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2020-11-28 02:59:29,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:59:29,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:59:29,246 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:29,246 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:29,246 INFO L794 eck$LassoCheckResult]: Stem: 758#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 726#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 727#L348 havoc start_simulation_#t~ret14, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 747#L198 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 748#L198-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 766#L315-1 assume !false; 800#L316 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret10, eval_#t~nondet11, eval_#t~nondet12, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 797#L264 [2020-11-28 02:59:29,247 INFO L796 eck$LassoCheckResult]: Loop: 797#L264 assume !false; 795#L240 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 793#L216 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 792#L228 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 791#L229 eval_#t~ret10 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret10;havoc eval_#t~ret10; 788#L244 assume 0 != eval_~tmp___1~0; 789#L244-1 assume !(0 == ~p_dw_st~0); 761#L249 assume 0 == ~c_dr_st~0;eval_~tmp___0~1 := eval_#t~nondet12;havoc eval_#t~nondet12; 764#L268 assume 0 != eval_~tmp___0~1;~c_dr_st~0 := 1;havoc do_read_c_~a~0;havoc do_read_c_~a~0; 776#L141 assume !(0 == ~c_dr_pc~0); 768#L144 assume 1 == ~c_dr_pc~0; 769#L145 do_read_c_~a~0 := ~a_t~0; 744#L154-1 do_read_c_~a~0 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1;havoc immediate_notify_threads_#t~ret7, immediate_notify_threads_#t~ret8, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 765#L34-3 assume !(1 == ~p_dw_pc~0); 755#L34-5 is_do_write_p_triggered_~__retres1~0 := 0; 756#L45-1 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 777#L46-1 immediate_notify_threads_#t~ret7 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret7;havoc immediate_notify_threads_#t~ret7; 786#L76-3 assume 0 != immediate_notify_threads_~tmp~0;~p_dw_st~0 := 0; 787#L76-5 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 810#L53-3 assume !(1 == ~c_dr_pc~0); 808#L53-5 is_do_read_c_triggered_~__retres1~1 := 0; 807#L64-1 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 806#L65-1 immediate_notify_threads_#t~ret8 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret8;havoc immediate_notify_threads_#t~ret8; 805#L84-3 assume 0 != immediate_notify_threads_~tmp___0~0;~c_dr_st~0 := 0; 804#L84-5 ~q_read_ev~0 := 2; 803#L174 assume ~p_last_write~0 == ~c_last_read~0; 802#L175 assume ~p_num_write~0 == ~c_num_read~0; 801#L12-2 assume !false; 798#L153 assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 1;~a_t~0 := do_read_c_~a~0; 797#L264 [2020-11-28 02:59:29,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:29,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1803984585, now seen corresponding path program 1 times [2020-11-28 02:59:29,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:29,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427947154] [2020-11-28 02:59:29,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:29,266 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:29,274 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:29,292 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:59:29,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:29,293 INFO L82 PathProgramCache]: Analyzing trace with hash -2084554387, now seen corresponding path program 1 times [2020-11-28 02:59:29,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:29,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387120532] [2020-11-28 02:59:29,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:29,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387120532] [2020-11-28 02:59:29,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:29,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:59:29,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460133924] [2020-11-28 02:59:29,315 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 02:59:29,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:29,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:29,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:29,316 INFO L87 Difference]: Start difference. First operand 99 states and 132 transitions. cyclomatic complexity: 34 Second operand 3 states. [2020-11-28 02:59:29,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:29,366 INFO L93 Difference]: Finished difference Result 116 states and 154 transitions. [2020-11-28 02:59:29,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:29,368 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 116 states and 154 transitions. [2020-11-28 02:59:29,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 109 [2020-11-28 02:59:29,370 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 116 states to 116 states and 154 transitions. [2020-11-28 02:59:29,370 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2020-11-28 02:59:29,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2020-11-28 02:59:29,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 154 transitions. [2020-11-28 02:59:29,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 02:59:29,371 INFO L691 BuchiCegarLoop]: Abstraction has 116 states and 154 transitions. [2020-11-28 02:59:29,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 154 transitions. [2020-11-28 02:59:29,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 99. [2020-11-28 02:59:29,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-11-28 02:59:29,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 130 transitions. [2020-11-28 02:59:29,380 INFO L714 BuchiCegarLoop]: Abstraction has 99 states and 130 transitions. [2020-11-28 02:59:29,380 INFO L594 BuchiCegarLoop]: Abstraction has 99 states and 130 transitions. [2020-11-28 02:59:29,381 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-28 02:59:29,381 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 130 transitions. [2020-11-28 02:59:29,382 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2020-11-28 02:59:29,382 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:59:29,382 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:59:29,383 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:29,383 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:29,384 INFO L794 eck$LassoCheckResult]: Stem: 979#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 947#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 948#L348 havoc start_simulation_#t~ret14, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 968#L198 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 969#L198-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 985#L315-1 assume !false; 986#L316 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret10, eval_#t~nondet11, eval_#t~nondet12, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 964#L264 [2020-11-28 02:59:29,384 INFO L796 eck$LassoCheckResult]: Loop: 964#L264 assume !false; 978#L240 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 981#L216 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 982#L228 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 1018#L229 eval_#t~ret10 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret10;havoc eval_#t~ret10; 1017#L244 assume 0 != eval_~tmp___1~0; 1015#L244-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet11;havoc eval_#t~nondet11; 975#L253 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet9; 961#L98 assume 0 == ~p_dw_pc~0; 945#L109-1 assume !false; 959#L110 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 983#L249 assume 0 == ~c_dr_st~0;eval_~tmp___0~1 := eval_#t~nondet12;havoc eval_#t~nondet12; 988#L268 assume 0 != eval_~tmp___0~1;~c_dr_st~0 := 1;havoc do_read_c_~a~0;havoc do_read_c_~a~0; 1001#L141 assume !(0 == ~c_dr_pc~0); 992#L144 assume 1 == ~c_dr_pc~0; 993#L145 do_read_c_~a~0 := ~a_t~0; 989#L154-1 do_read_c_~a~0 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1;havoc immediate_notify_threads_#t~ret7, immediate_notify_threads_#t~ret8, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 990#L34-3 assume !(1 == ~p_dw_pc~0); 976#L34-5 is_do_write_p_triggered_~__retres1~0 := 0; 977#L45-1 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 1002#L46-1 immediate_notify_threads_#t~ret7 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret7;havoc immediate_notify_threads_#t~ret7; 1011#L76-3 assume 0 != immediate_notify_threads_~tmp~0;~p_dw_st~0 := 0; 1009#L76-5 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 997#L53-3 assume 1 == ~c_dr_pc~0; 951#L54-1 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1 := 1; 952#L64-1 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 954#L65-1 immediate_notify_threads_#t~ret8 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret8;havoc immediate_notify_threads_#t~ret8; 943#L84-3 assume 0 != immediate_notify_threads_~tmp___0~0;~c_dr_st~0 := 0; 939#L84-5 ~q_read_ev~0 := 2; 940#L174 assume ~p_last_write~0 == ~c_last_read~0; 941#L175 assume ~p_num_write~0 == ~c_num_read~0; 942#L12-2 assume !false; 963#L153 assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 1;~a_t~0 := do_read_c_~a~0; 964#L264 [2020-11-28 02:59:29,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:29,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1803984585, now seen corresponding path program 2 times [2020-11-28 02:59:29,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:29,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424715890] [2020-11-28 02:59:29,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:29,404 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:29,411 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:29,416 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:59:29,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:29,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1845744473, now seen corresponding path program 1 times [2020-11-28 02:59:29,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:29,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178884565] [2020-11-28 02:59:29,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:29,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:29,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178884565] [2020-11-28 02:59:29,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:29,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:59:29,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849191689] [2020-11-28 02:59:29,440 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 02:59:29,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:29,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:29,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:29,441 INFO L87 Difference]: Start difference. First operand 99 states and 130 transitions. cyclomatic complexity: 32 Second operand 3 states. [2020-11-28 02:59:29,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:29,516 INFO L93 Difference]: Finished difference Result 125 states and 159 transitions. [2020-11-28 02:59:29,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:29,517 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 159 transitions. [2020-11-28 02:59:29,518 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2020-11-28 02:59:29,519 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 125 states and 159 transitions. [2020-11-28 02:59:29,520 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2020-11-28 02:59:29,520 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2020-11-28 02:59:29,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 159 transitions. [2020-11-28 02:59:29,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 02:59:29,521 INFO L691 BuchiCegarLoop]: Abstraction has 125 states and 159 transitions. [2020-11-28 02:59:29,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 159 transitions. [2020-11-28 02:59:29,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-11-28 02:59:29,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-11-28 02:59:29,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 159 transitions. [2020-11-28 02:59:29,539 INFO L714 BuchiCegarLoop]: Abstraction has 125 states and 159 transitions. [2020-11-28 02:59:29,539 INFO L594 BuchiCegarLoop]: Abstraction has 125 states and 159 transitions. [2020-11-28 02:59:29,539 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-11-28 02:59:29,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 159 transitions. [2020-11-28 02:59:29,541 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2020-11-28 02:59:29,541 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:59:29,541 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:59:29,542 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:29,542 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:29,543 INFO L794 eck$LassoCheckResult]: Stem: 1210#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 1178#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 1179#L348 havoc start_simulation_#t~ret14, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 1199#L198 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 1200#L198-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 1216#L315-1 assume !false; 1217#L316 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret10, eval_#t~nondet11, eval_#t~nondet12, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 1233#L264 assume !false; 1293#L240 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 1292#L216 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 1291#L228 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 1290#L229 eval_#t~ret10 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret10;havoc eval_#t~ret10; 1289#L244 assume 0 != eval_~tmp___1~0; 1288#L244-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet11;havoc eval_#t~nondet11; 1287#L253 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet9; 1276#L98 assume 0 == ~p_dw_pc~0; 1275#L109-1 [2020-11-28 02:59:29,544 INFO L796 eck$LassoCheckResult]: Loop: 1275#L109-1 assume !false; 1274#L110 assume !(0 == ~q_free~0); 1273#L111 ~q_buf_0~0 := do_write_p_#t~nondet9;havoc do_write_p_#t~nondet9;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret7, immediate_notify_threads_#t~ret8, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 1272#L34 assume !(1 == ~p_dw_pc~0); 1229#L34-2 is_do_write_p_triggered_~__retres1~0 := 0; 1230#L45 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 1235#L46 immediate_notify_threads_#t~ret7 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret7;havoc immediate_notify_threads_#t~ret7; 1191#L76 assume 0 != immediate_notify_threads_~tmp~0;~p_dw_st~0 := 0; 1180#L76-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 1181#L53 assume 1 == ~c_dr_pc~0; 1186#L54 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1 := 1; 1187#L64 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 1189#L65 immediate_notify_threads_#t~ret8 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret8;havoc immediate_notify_threads_#t~ret8; 1176#L84 assume 0 != immediate_notify_threads_~tmp___0~0;~c_dr_st~0 := 0; 1177#L84-2 ~q_write_ev~0 := 2; 1275#L109-1 [2020-11-28 02:59:29,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:29,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1783039958, now seen corresponding path program 1 times [2020-11-28 02:59:29,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:29,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598531083] [2020-11-28 02:59:29,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:29,556 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:29,570 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:29,580 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:59:29,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:29,584 INFO L82 PathProgramCache]: Analyzing trace with hash -268918169, now seen corresponding path program 1 times [2020-11-28 02:59:29,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:29,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588469243] [2020-11-28 02:59:29,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:29,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:29,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588469243] [2020-11-28 02:59:29,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:29,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:59:29,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540359868] [2020-11-28 02:59:29,653 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 02:59:29,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:29,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:59:29,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:59:29,654 INFO L87 Difference]: Start difference. First operand 125 states and 159 transitions. cyclomatic complexity: 36 Second operand 5 states. [2020-11-28 02:59:29,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:29,774 INFO L93 Difference]: Finished difference Result 275 states and 346 transitions. [2020-11-28 02:59:29,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:59:29,777 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 275 states and 346 transitions. [2020-11-28 02:59:29,780 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 255 [2020-11-28 02:59:29,782 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 275 states to 275 states and 346 transitions. [2020-11-28 02:59:29,783 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 275 [2020-11-28 02:59:29,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 275 [2020-11-28 02:59:29,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 275 states and 346 transitions. [2020-11-28 02:59:29,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 02:59:29,796 INFO L691 BuchiCegarLoop]: Abstraction has 275 states and 346 transitions. [2020-11-28 02:59:29,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states and 346 transitions. [2020-11-28 02:59:29,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 134. [2020-11-28 02:59:29,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-11-28 02:59:29,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 167 transitions. [2020-11-28 02:59:29,803 INFO L714 BuchiCegarLoop]: Abstraction has 134 states and 167 transitions. [2020-11-28 02:59:29,803 INFO L594 BuchiCegarLoop]: Abstraction has 134 states and 167 transitions. [2020-11-28 02:59:29,803 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-11-28 02:59:29,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states and 167 transitions. [2020-11-28 02:59:29,809 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 117 [2020-11-28 02:59:29,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:59:29,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:59:29,810 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:29,810 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:29,811 INFO L794 eck$LassoCheckResult]: Stem: 1622#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 1590#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 1591#L348 havoc start_simulation_#t~ret14, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 1611#L198 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 1612#L198-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 1632#L315-1 assume !false; 1688#L316 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret10, eval_#t~nondet11, eval_#t~nondet12, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 1686#L264 assume !false; 1684#L240 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 1682#L216 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 1680#L228 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 1677#L229 eval_#t~ret10 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret10;havoc eval_#t~ret10; 1675#L244 assume 0 != eval_~tmp___1~0; 1673#L244-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet11;havoc eval_#t~nondet11; 1671#L253 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet9; 1668#L98 assume 0 == ~p_dw_pc~0; 1667#L109-1 [2020-11-28 02:59:29,811 INFO L796 eck$LassoCheckResult]: Loop: 1667#L109-1 assume !false; 1666#L110 assume !(0 == ~q_free~0); 1665#L111 ~q_buf_0~0 := do_write_p_#t~nondet9;havoc do_write_p_#t~nondet9;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret7, immediate_notify_threads_#t~ret8, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 1663#L34 assume !(1 == ~p_dw_pc~0); 1664#L34-2 is_do_write_p_triggered_~__retres1~0 := 0; 1689#L45 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 1687#L46 immediate_notify_threads_#t~ret7 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret7;havoc immediate_notify_threads_#t~ret7; 1685#L76 assume !(0 != immediate_notify_threads_~tmp~0); 1683#L76-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 1681#L53 assume !(1 == ~c_dr_pc~0); 1678#L53-2 is_do_read_c_triggered_~__retres1~1 := 0; 1676#L64 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 1674#L65 immediate_notify_threads_#t~ret8 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret8;havoc immediate_notify_threads_#t~ret8; 1672#L84 assume 0 != immediate_notify_threads_~tmp___0~0;~c_dr_st~0 := 0; 1670#L84-2 ~q_write_ev~0 := 2; 1667#L109-1 [2020-11-28 02:59:29,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:29,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1783039958, now seen corresponding path program 2 times [2020-11-28 02:59:29,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:29,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111294973] [2020-11-28 02:59:29,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:29,819 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:29,845 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:29,850 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:59:29,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:29,850 INFO L82 PathProgramCache]: Analyzing trace with hash -872319612, now seen corresponding path program 1 times [2020-11-28 02:59:29,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:29,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610612744] [2020-11-28 02:59:29,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:29,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:29,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610612744] [2020-11-28 02:59:29,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:29,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:59:29,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330447021] [2020-11-28 02:59:29,925 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 02:59:29,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:29,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:59:29,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:59:29,926 INFO L87 Difference]: Start difference. First operand 134 states and 167 transitions. cyclomatic complexity: 35 Second operand 5 states. [2020-11-28 02:59:30,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:30,042 INFO L93 Difference]: Finished difference Result 296 states and 360 transitions. [2020-11-28 02:59:30,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:59:30,043 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 296 states and 360 transitions. [2020-11-28 02:59:30,045 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 279 [2020-11-28 02:59:30,048 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 296 states to 296 states and 360 transitions. [2020-11-28 02:59:30,048 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 296 [2020-11-28 02:59:30,049 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 296 [2020-11-28 02:59:30,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 296 states and 360 transitions. [2020-11-28 02:59:30,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 02:59:30,049 INFO L691 BuchiCegarLoop]: Abstraction has 296 states and 360 transitions. [2020-11-28 02:59:30,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states and 360 transitions. [2020-11-28 02:59:30,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 146. [2020-11-28 02:59:30,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-11-28 02:59:30,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 179 transitions. [2020-11-28 02:59:30,057 INFO L714 BuchiCegarLoop]: Abstraction has 146 states and 179 transitions. [2020-11-28 02:59:30,057 INFO L594 BuchiCegarLoop]: Abstraction has 146 states and 179 transitions. [2020-11-28 02:59:30,057 INFO L427 BuchiCegarLoop]: ======== Iteration 9============ [2020-11-28 02:59:30,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 146 states and 179 transitions. [2020-11-28 02:59:30,058 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 129 [2020-11-28 02:59:30,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:59:30,058 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:59:30,059 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:30,059 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:30,059 INFO L794 eck$LassoCheckResult]: Stem: 2069#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 2035#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 2036#L348 havoc start_simulation_#t~ret14, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 2058#L198 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 2059#L198-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 2075#L315-1 assume !false; 2076#L316 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret10, eval_#t~nondet11, eval_#t~nondet12, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 2098#L264 assume !false; 2161#L240 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 2160#L216 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 2159#L228 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 2158#L229 eval_#t~ret10 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret10;havoc eval_#t~ret10; 2157#L244 assume 0 != eval_~tmp___1~0; 2156#L244-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet11;havoc eval_#t~nondet11; 2155#L253 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet9; 2153#L98 assume 0 == ~p_dw_pc~0; 2152#L109-1 [2020-11-28 02:59:30,059 INFO L796 eck$LassoCheckResult]: Loop: 2152#L109-1 assume !false; 2151#L110 assume !(0 == ~q_free~0); 2150#L111 ~q_buf_0~0 := do_write_p_#t~nondet9;havoc do_write_p_#t~nondet9;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret7, immediate_notify_threads_#t~ret8, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 2148#L34 assume !(1 == ~p_dw_pc~0); 2149#L34-2 is_do_write_p_triggered_~__retres1~0 := 0; 2170#L45 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 2169#L46 immediate_notify_threads_#t~ret7 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret7;havoc immediate_notify_threads_#t~ret7; 2168#L76 assume !(0 != immediate_notify_threads_~tmp~0); 2037#L76-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 2038#L53 assume 1 == ~c_dr_pc~0; 2043#L54 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1 := 1; 2044#L64 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 2046#L65 immediate_notify_threads_#t~ret8 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret8;havoc immediate_notify_threads_#t~ret8; 2047#L84 assume 0 != immediate_notify_threads_~tmp___0~0;~c_dr_st~0 := 0; 2034#L84-2 ~q_write_ev~0 := 2; 2152#L109-1 [2020-11-28 02:59:30,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:30,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1783039958, now seen corresponding path program 3 times [2020-11-28 02:59:30,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:30,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589454278] [2020-11-28 02:59:30,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:30,070 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:30,076 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:30,086 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:59:30,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:30,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1078264795, now seen corresponding path program 1 times [2020-11-28 02:59:30,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:30,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982952961] [2020-11-28 02:59:30,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:30,097 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:30,103 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:30,108 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:59:30,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:30,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1917816028, now seen corresponding path program 1 times [2020-11-28 02:59:30,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:30,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340273651] [2020-11-28 02:59:30,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:30,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:30,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340273651] [2020-11-28 02:59:30,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:30,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 02:59:30,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519997232] [2020-11-28 02:59:30,336 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-11-28 02:59:30,415 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 02:59:30,415 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 02:59:30,415 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 02:59:30,415 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 02:59:30,415 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 02:59:30,416 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:30,416 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 02:59:30,416 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 02:59:30,416 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration9_Loop [2020-11-28 02:59:30,417 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 02:59:30,420 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 02:59:30,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,750 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 02:59:30,751 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:30,760 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:59:30,760 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:30,771 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 02:59:30,772 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_is_do_read_c_triggered_#res=1, ULTIMATE.start_immediate_notify_threads_~tmp___0~0=1, ULTIMATE.start_is_do_read_c_triggered_~__retres1~1=1} Honda state: {ULTIMATE.start_is_do_read_c_triggered_#res=1, ULTIMATE.start_immediate_notify_threads_~tmp___0~0=1, ULTIMATE.start_is_do_read_c_triggered_~__retres1~1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:30,814 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:59:30,814 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:30,860 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 02:59:30,860 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:30,906 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 02:59:30,909 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 02:59:30,909 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 02:59:30,909 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 02:59:30,909 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 02:59:30,909 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 02:59:30,909 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:30,909 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 02:59:30,909 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 02:59:30,909 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration9_Loop [2020-11-28 02:59:30,909 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 02:59:30,909 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 02:59:30,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:30,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:31,362 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 02:59:31,366 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:31,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:31,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:31,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:31,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:31,417 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:31,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:31,420 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:31,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:31,425 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:31,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:31,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:31,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:31,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:31,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:31,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:31,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:31,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:31,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:31,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:31,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:31,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:31,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:31,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:31,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:31,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:31,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:31,524 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:31,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:31,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:31,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:31,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:31,566 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:31,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:31,567 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:31,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:31,570 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:31,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:31,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:31,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:31,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:31,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:31,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:31,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:31,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:31,620 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:31,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:31,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:31,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:31,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:31,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:31,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:31,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:31,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:31,674 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:31,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:31,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:31,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:31,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:31,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:31,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:31,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:31,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:31,731 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:31,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:31,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:31,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:31,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:31,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:31,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:31,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:31,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:31,785 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:31,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:31,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:31,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:31,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:31,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:31,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:31,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:31,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:31,832 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:31,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:31,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:31,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:31,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:31,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:31,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:31,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:31,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:31,866 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:31,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:31,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:31,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:31,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:31,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:31,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:31,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:31,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:31,901 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:59:31,924 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:31,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:31,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:31,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:31,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:31,933 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:31,933 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:31,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:31,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:31,947 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:31,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:32,000 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:32,002 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:32,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:32,036 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:32,037 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:32,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:32,040 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,074 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:32,074 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:32,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:32,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:32,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:32,107 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:32,108 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:32,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:32,116 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:32,143 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:32,144 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:32,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:32,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:32,174 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:32,180 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:32,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:32,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:32,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:32,229 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:32,231 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:32,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:32,234 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:32,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:32,283 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:32,285 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:32,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,288 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:32,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:32,328 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:32,329 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:32,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,332 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:32,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:32,380 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:32,384 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:32,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,387 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:59:32,418 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,423 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:32,423 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:32,425 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:59:32,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:32,429 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:32,456 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:32,457 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:32,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:32,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:32,484 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:32,486 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:32,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:32,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,514 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:32,514 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:32,516 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:59:32,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:32,523 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:32,549 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:32,550 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:32,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:32,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:32,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:32,611 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,613 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:32,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:32,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:32,649 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:32,652 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:32,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:32,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:32,693 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:32,695 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:32,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:32,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:32,726 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:32,727 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:32,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:32,730 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:32,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,755 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:32,757 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:32,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:32,759 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:32,784 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:32,793 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:32,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:32,810 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:59:32,843 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:32,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,848 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:32,848 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:32,858 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-28 02:59:32,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,864 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:32,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:32,903 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:32,905 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:32,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,908 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:32,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:32,951 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:32,953 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:32,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:32,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:32,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:32,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:32,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:32,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:32,995 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:32,995 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:32,998 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-28 02:59:32,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,002 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:33,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:33,037 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:33,038 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:33,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:33,041 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:33,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:33,066 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:33,067 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:33,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:33,068 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:33,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:33,092 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:33,095 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:33,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:33,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:33,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:33,123 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:33,125 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:33,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:33,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:33,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:33,172 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:33,173 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:33,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:33,191 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:33,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:33,236 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:33,237 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:33,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:33,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:33,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:33,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:33,289 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:33,292 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:33,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,297 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:59:33,318 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,321 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:33,321 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:33,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,322 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:33,322 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:33,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:33,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:33,331 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,357 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:33,357 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:33,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:33,358 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:33,359 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:33,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:33,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,390 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:33,390 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:33,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:33,390 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:33,391 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:33,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:33,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,418 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:33,418 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:33,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,418 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:33,418 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:33,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:33,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:33,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,447 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:33,447 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:33,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:33,447 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:33,448 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:33,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:33,452 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,478 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:33,478 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:33,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:33,478 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:33,479 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:33,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:33,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,525 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:33,525 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:33,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:33,526 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:33,529 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:33,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:33,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,563 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:33,563 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:33,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:33,564 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:33,565 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:33,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:33,570 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:33,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,619 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:33,619 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:33,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:33,620 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:33,622 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:33,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:33,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:33,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,666 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:33,666 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:33,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:33,666 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:33,667 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:33,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,672 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,717 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:33,717 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:33,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:33,717 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:33,720 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:33,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:33,731 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:59:33,751 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:33,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,756 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:33,756 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:33,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,756 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:33,756 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:33,760 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:59:33,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:33,772 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:33,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,815 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:33,816 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:33,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:33,816 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:33,817 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:33,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,822 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,852 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:33,852 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:33,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:33,853 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:33,855 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:33,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:33,860 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:33,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,903 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:33,904 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:33,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,904 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:33,904 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:33,906 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:59:33,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:33,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:33,954 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:33,954 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:33,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:33,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:33,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:33,954 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:33,956 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:33,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:33,961 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:33,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,001 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,001 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:34,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:34,001 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:34,003 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:34,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,007 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:34,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,048 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,048 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:34,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:34,049 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:34,053 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:34,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,062 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:34,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,102 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,102 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:34,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:34,102 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:34,105 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:34,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,112 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:34,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,152 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,152 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:34,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:34,152 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:34,154 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:34,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:34,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,203 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,203 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:34,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:34,203 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:34,205 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:34,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,212 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:34,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,254 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,254 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:34,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:34,255 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:34,258 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:34,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,265 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:59:34,298 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:34,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,305 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,306 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:34,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,306 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:34,306 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:34,311 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-28 02:59:34,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,326 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:34,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,368 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,368 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:34,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:34,368 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:34,370 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:34,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,375 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:34,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,413 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,413 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:34,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:34,413 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:34,417 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:34,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:34,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,464 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,464 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:34,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,465 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:34,465 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:34,468 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-28 02:59:34,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,477 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:34,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,518 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,518 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:34,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:34,519 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:34,521 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:34,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,527 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:34,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,566 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,566 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:34,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:34,566 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:34,568 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:34,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,573 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:34,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,614 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,614 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:34,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:34,614 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,619 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:34,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:34,632 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:34,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,687 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,687 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:34,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:34,688 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:34,691 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:34,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,701 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:34,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,740 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,741 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:34,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:34,741 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:34,743 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:34,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:34,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,791 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,791 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:34,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:34,791 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:34,793 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:34,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,803 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:34,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,844 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,844 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:34,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:34,844 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:34,849 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:34,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,860 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:59:34,895 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:34,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,903 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,903 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:34,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,903 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:34,903 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:34,906 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:59:34,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,946 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,947 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:34,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:34,947 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:34,948 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:34,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:34,951 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:34,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:34,992 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:34,992 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:34,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:34,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:34,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:34,993 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:34,994 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:34,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:34,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:35,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:35,021 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:35,021 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:35,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:35,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:35,021 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:35,022 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:35,025 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:59:35,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:35,030 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:35,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:35,060 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:35,060 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:35,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:35,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:35,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:35,060 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:35,061 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:35,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:35,063 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:35,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:35,087 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:35,087 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:35,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:35,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:35,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:35,087 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:35,088 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:35,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:35,090 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:35,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:35,116 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:35,116 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:35,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:35,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:35,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:35,116 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:35,119 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:35,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:35,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:35,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:35,153 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:35,153 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:35,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:35,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:35,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:35,154 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:35,155 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:35,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:35,159 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:35,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:35,181 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:35,182 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:35,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:35,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:35,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:35,182 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:35,185 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:35,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:35,187 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:35,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:35,210 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:35,211 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:35,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:35,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:35,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:35,211 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:35,212 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:35,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:35,224 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:35,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:35,263 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:35,264 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:35,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:35,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:35,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:35,264 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:35,267 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:35,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:35,273 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:59:35,307 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:35,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:35,312 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:35,312 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:35,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:35,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:35,313 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:35,313 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:35,317 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:59:35,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:35,329 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:35,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:35,368 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:35,368 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:35,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:35,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:35,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:35,368 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:35,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:35,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:35,375 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:35,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:35,402 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:35,402 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:35,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:35,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:35,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:35,402 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:35,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:35,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:35,413 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:35,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:35,441 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:35,441 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:35,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:35,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:35,442 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:35,442 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:35,443 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:59:35,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:35,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:35,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:35,473 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:35,473 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:35,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:35,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:35,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:35,473 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:35,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:35,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:35,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:35,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:35,536 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:35,536 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:35,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:35,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:35,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:35,536 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:35,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:35,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:35,542 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:35,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:35,581 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:35,581 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:35,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:35,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:35,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:35,582 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:35,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:35,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:35,611 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:35,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:35,655 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:35,656 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:35,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:35,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:35,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:35,656 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:35,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:35,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:35,668 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:35,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:35,709 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:35,709 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:35,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:35,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:35,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:35,709 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:35,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:35,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:35,717 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:35,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:35,756 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:35,757 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:35,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:35,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:35,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:35,757 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:35,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:35,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:35,765 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:35,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:35,804 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:35,805 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:35,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:35,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:35,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:35,805 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:35,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:35,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:35,819 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:59:35,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:35,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 02:59:35,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:59:35,854 INFO L87 Difference]: Start difference. First operand 146 states and 179 transitions. cyclomatic complexity: 35 Second operand 7 states. [2020-11-28 02:59:36,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:36,004 INFO L93 Difference]: Finished difference Result 379 states and 450 transitions. [2020-11-28 02:59:36,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 02:59:36,005 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 379 states and 450 transitions. [2020-11-28 02:59:36,008 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 360 [2020-11-28 02:59:36,011 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 379 states to 379 states and 450 transitions. [2020-11-28 02:59:36,011 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 379 [2020-11-28 02:59:36,013 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 379 [2020-11-28 02:59:36,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 379 states and 450 transitions. [2020-11-28 02:59:36,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 02:59:36,014 INFO L691 BuchiCegarLoop]: Abstraction has 379 states and 450 transitions. [2020-11-28 02:59:36,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states and 450 transitions. [2020-11-28 02:59:36,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 273. [2020-11-28 02:59:36,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-11-28 02:59:36,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 328 transitions. [2020-11-28 02:59:36,031 INFO L714 BuchiCegarLoop]: Abstraction has 273 states and 328 transitions. [2020-11-28 02:59:36,031 INFO L594 BuchiCegarLoop]: Abstraction has 273 states and 328 transitions. [2020-11-28 02:59:36,031 INFO L427 BuchiCegarLoop]: ======== Iteration 10============ [2020-11-28 02:59:36,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 273 states and 328 transitions. [2020-11-28 02:59:36,033 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 255 [2020-11-28 02:59:36,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:59:36,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:59:36,034 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:36,035 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:36,036 INFO L794 eck$LassoCheckResult]: Stem: 2614#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 2579#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 2580#L348 havoc start_simulation_#t~ret14, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 2602#L198 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 2603#L198-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 2624#L315-1 assume !false; 2731#L316 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret10, eval_#t~nondet11, eval_#t~nondet12, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 2730#L264 assume !false; 2729#L240 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 2728#L216 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 2724#L228 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 2720#L229 eval_#t~ret10 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret10;havoc eval_#t~ret10; 2716#L244 assume 0 != eval_~tmp___1~0; 2712#L244-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet11;havoc eval_#t~nondet11; 2609#L253 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet9; 2595#L98 assume 0 == ~p_dw_pc~0; 2591#L109-1 [2020-11-28 02:59:36,037 INFO L796 eck$LassoCheckResult]: Loop: 2591#L109-1 assume !false; 2592#L110 assume !(0 == ~q_free~0); 2619#L111 ~q_buf_0~0 := do_write_p_#t~nondet9;havoc do_write_p_#t~nondet9;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret7, immediate_notify_threads_#t~ret8, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 2739#L34 assume !(1 == ~p_dw_pc~0); 2639#L34-2 is_do_write_p_triggered_~__retres1~0 := 0; 2640#L45 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 2646#L46 immediate_notify_threads_#t~ret7 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret7;havoc immediate_notify_threads_#t~ret7; 2593#L76 assume !(0 != immediate_notify_threads_~tmp~0); 2594#L76-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 2746#L53 assume !(1 == ~c_dr_pc~0); 2745#L53-2 is_do_read_c_triggered_~__retres1~1 := 0; 2657#L64 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 2590#L65 immediate_notify_threads_#t~ret8 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret8;havoc immediate_notify_threads_#t~ret8; 2577#L84 assume !(0 != immediate_notify_threads_~tmp___0~0); 2578#L84-2 ~q_write_ev~0 := 2; 2591#L109-1 [2020-11-28 02:59:36,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:36,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1783039958, now seen corresponding path program 4 times [2020-11-28 02:59:36,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:36,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601498545] [2020-11-28 02:59:36,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:36,053 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:36,059 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:36,073 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:59:36,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:36,074 INFO L82 PathProgramCache]: Analyzing trace with hash -872319550, now seen corresponding path program 1 times [2020-11-28 02:59:36,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:36,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748339101] [2020-11-28 02:59:36,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:36,083 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:36,086 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:36,089 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:59:36,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:36,091 INFO L82 PathProgramCache]: Analyzing trace with hash 2123761273, now seen corresponding path program 1 times [2020-11-28 02:59:36,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:36,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307350687] [2020-11-28 02:59:36,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:36,100 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:36,111 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:36,120 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:59:36,240 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 02:59:36,240 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 02:59:36,240 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 02:59:36,241 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 02:59:36,241 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 02:59:36,241 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:36,241 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 02:59:36,241 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 02:59:36,241 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration10_Loop [2020-11-28 02:59:36,241 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 02:59:36,241 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 02:59:36,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,464 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 02:59:36,464 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:36,470 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:59:36,470 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:36,477 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 02:59:36,477 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~q_buf_0~0=6, ~p_last_write~0=6, ULTIMATE.start_do_write_p_#t~nondet9=6} Honda state: {~q_buf_0~0=6, ~p_last_write~0=6, ULTIMATE.start_do_write_p_#t~nondet9=6} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:36,499 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:59:36,499 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:36,523 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 02:59:36,524 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 02:59:36,567 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 02:59:36,569 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 02:59:36,569 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 02:59:36,569 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 02:59:36,569 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 02:59:36,569 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 02:59:36,569 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:36,569 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 02:59:36,569 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 02:59:36,569 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration10_Loop [2020-11-28 02:59:36,569 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 02:59:36,569 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 02:59:36,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:36,904 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 02:59:36,904 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:36,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:36,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:36,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:36,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:36,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:36,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:36,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:36,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:36,916 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:36,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:36,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:36,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:36,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:36,939 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:36,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:36,940 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:36,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:36,950 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:36,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:36,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:36,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:36,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:36,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:36,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:36,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:36,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:36,974 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:36,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:36,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:36,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:36,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:36,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:36,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:36,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:36,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,028 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:37,064 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:37,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,065 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:37,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:37,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,106 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,129 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:37,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:37,130 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:37,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,131 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:37,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:37,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:37,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:37,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:37,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:37,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,221 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,245 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:37,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:37,246 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:37,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:59:37,267 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,271 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:37,271 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:37,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,272 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,299 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:37,299 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:37,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:37,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,303 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,327 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:37,327 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:37,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,328 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,351 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:37,353 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:37,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,378 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:37,378 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:37,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,380 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,403 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:37,404 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:37,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,406 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,428 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:37,428 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:37,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:37,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,431 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,453 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:37,454 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:37,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,456 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,478 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:37,479 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:37,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,509 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:37,510 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:37,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,511 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,535 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:37,535 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:37,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:37,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:59:37,557 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,562 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:37,562 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:37,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,564 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,587 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:37,587 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:37,589 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:59:37,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,592 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,614 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:37,615 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:37,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,616 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,640 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:37,642 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:37,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,644 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,667 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:37,668 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:37,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,670 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,692 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:37,694 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:37,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:37,721 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:37,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,759 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:37,759 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:37,760 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:59:37,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,763 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:37,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,801 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:37,802 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:37,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,805 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:37,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,847 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:37,848 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:37,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,851 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:37,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,888 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:37,890 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:37,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,894 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:37,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,930 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:37,930 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:37,932 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:59:37,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,935 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:59:37,969 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:37,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:37,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:37,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:37,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:37,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:37,974 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:37,975 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:37,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:37,978 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:38,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:38,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,016 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:38,016 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:38,020 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-28 02:59:38,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,025 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:38,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:38,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,063 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:38,063 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:38,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,066 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 143 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:38,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:38,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,104 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:38,107 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:38,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 143 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 144 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:38,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:38,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,158 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:38,160 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:38,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 144 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 145 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:38,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:38,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,206 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:38,208 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:38,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 145 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,212 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 146 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:38,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:38,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,250 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:38,250 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:38,251 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-28 02:59:38,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 146 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,256 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 147 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 147 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:38,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,293 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:38,294 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:38,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,297 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 148 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 148 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:38,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,320 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:38,321 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:38,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 149 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 149 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:38,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,346 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:38,348 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:38,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,352 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 150 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 150 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:38,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,376 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:38,376 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:38,378 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-28 02:59:38,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,384 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:59:38,418 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 151 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 151 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,430 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:38,431 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:38,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,431 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:38,431 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:38,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,433 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 152 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 152 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,455 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:38,455 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:38,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,455 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:38,455 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:38,457 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:38,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,462 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 153 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 153 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,486 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:38,486 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:38,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,486 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:38,487 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:38,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 154 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 154 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,513 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:38,513 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:38,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,513 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:38,515 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:38,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 155 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 155 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,540 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:38,540 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:38,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,541 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:38,541 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:38,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,544 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 156 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 156 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,566 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:38,567 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:38,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,567 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:38,568 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:38,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,574 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 157 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 157 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,596 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:38,597 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:38,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,597 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:38,597 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:38,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:38,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,602 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 158 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 158 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,625 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:38,625 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:38,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,626 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:38,626 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:38,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,636 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 159 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 159 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,658 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:38,658 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:38,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,658 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:38,659 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:38,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 160 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 160 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,683 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:38,683 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:38,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,683 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:38,684 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:59:38,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,695 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 161 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 161 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,720 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:38,720 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:38,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,720 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:38,720 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:59:38,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:38,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,724 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:59:38,743 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 162 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 162 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,747 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:38,747 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:38,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,748 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:38,748 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:38,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 163 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 163 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,773 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:38,773 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:38,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,773 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:38,773 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:38,775 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:59:38,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,782 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 164 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 164 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,804 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:38,804 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:38,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,804 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:38,805 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:38,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,832 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 165 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 165 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,887 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:38,887 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:38,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,888 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:38,891 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:38,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,900 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 166 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 166 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,933 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:38,933 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:38,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,933 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:38,934 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:38,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,938 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 167 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 167 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,960 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:38,960 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:38,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:38,961 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:38,962 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:38,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 168 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 168 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:38,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:38,988 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:38,988 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:38,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:38,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:38,988 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:38,988 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:38,989 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:59:38,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:38,993 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 169 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 169 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,015 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,015 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:39,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,016 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:39,017 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:39,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,021 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 170 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 170 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,043 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,043 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:39,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,044 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:39,044 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:39,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,047 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 171 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 171 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,078 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,079 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:39,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,079 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:39,081 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:39,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 172 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:39,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,137 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,137 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:59:39,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,137 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:39,137 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:39,139 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:59:39,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 172 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,145 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:59:39,178 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 173 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:39,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,183 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,183 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:39,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,183 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:39,185 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:39,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 173 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 174 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:39,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,235 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,235 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:39,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,236 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:39,236 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:39,240 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-28 02:59:39,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 174 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,254 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 175 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:39,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,293 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,293 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:39,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,293 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:39,295 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:39,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 175 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,300 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 176 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:39,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,339 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,339 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:39,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,339 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:39,343 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:39,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 176 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,352 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 177 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:39,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,395 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,395 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:39,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,396 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:39,398 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:39,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 177 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,404 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 178 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 178 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,428 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,428 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:39,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,428 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:39,431 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:39,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,436 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 179 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 179 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,459 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,459 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:39,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,459 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:39,459 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:39,461 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-28 02:59:39,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,470 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 180 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 180 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,493 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,493 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:39,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,493 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:39,494 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:39,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,501 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 181 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 181 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,524 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,524 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:39,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,524 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:39,526 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:39,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,530 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 182 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 182 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,554 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,554 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:39,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,554 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:39,556 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:59:39,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,562 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 183 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 183 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,586 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,586 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:39,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,586 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:39,586 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:59:39,588 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-28 02:59:39,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,594 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:59:39,614 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 184 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 184 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,617 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,617 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:39,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,617 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:39,618 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:39,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,620 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 185 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 185 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,646 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,646 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:39,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,646 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:39,647 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:39,648 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:59:39,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,656 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 186 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 186 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,678 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,678 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:39,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,679 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:39,679 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:39,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,684 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 187 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:39,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,709 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,709 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:39,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,709 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 187 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,711 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:39,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,715 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 188 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 188 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,738 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,738 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:39,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,738 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:39,739 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:39,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,742 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 189 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 189 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,765 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,765 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:39,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,766 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:39,767 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:39,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,770 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 190 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 190 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,793 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,793 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:39,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,794 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:39,794 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:39,795 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:59:39,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,798 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 191 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 191 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,831 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,831 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:39,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,832 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:39,832 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:39,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 192 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 192 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,871 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,871 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:39,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,872 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:39,872 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:39,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,875 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 193 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 193 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,898 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,898 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:39,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,899 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:39,900 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:59:39,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,904 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 194 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 194 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,927 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,928 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:59:39,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,928 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:39,928 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:59:39,929 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:59:39,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:59:39,952 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 195 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 195 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,955 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,955 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:39,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:39,956 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:39,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:39,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,960 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 196 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 196 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:39,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:39,983 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:39,983 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:39,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:39,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:39,983 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:39,983 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:39,986 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:59:39,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:39,994 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 197 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 197 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:40,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:40,018 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:40,019 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:40,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:40,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:40,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:40,019 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:40,020 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:40,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:40,023 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 198 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 198 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:40,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:40,046 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:40,047 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:40,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:40,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:40,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:40,047 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:40,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:40,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:40,057 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 199 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 199 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:40,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:40,081 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:40,081 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:40,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:40,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:40,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:40,081 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:40,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:40,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:40,096 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 200 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 200 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:40,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:40,137 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:40,137 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:40,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:40,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:40,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:40,138 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:40,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:40,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:40,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 201 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 201 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:40,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:40,168 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:40,168 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:40,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:40,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:40,169 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:40,169 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:40,170 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:59:40,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:40,175 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 202 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 202 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:40,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:40,200 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:40,200 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:40,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:40,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:40,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:40,200 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:40,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:40,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:40,212 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 203 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 203 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:40,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:40,236 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:40,236 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:40,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:40,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:40,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:40,236 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:40,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:40,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:40,241 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 204 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 204 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:40,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:40,264 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:40,264 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:40,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:40,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:40,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:40,265 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:40,267 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:40,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:40,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 205 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 205 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:40,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:40,297 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:59:40,298 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:59:40,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:40,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:40,298 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:40,298 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:59:40,300 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:59:40,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:40,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:59:40,764 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2020-11-28 02:59:40,960 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-28 02:59:40,961 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 02:59:40,962 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 02:59:40,962 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 02:59:40,962 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 02:59:40,962 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 02:59:40,962 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:40,962 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 02:59:40,962 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 02:59:40,962 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration10_Lasso [2020-11-28 02:59:40,962 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 02:59:40,962 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 02:59:40,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 02:59:41,760 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 02:59:41,761 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 206 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 206 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:41,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:41,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:41,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:41,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:41,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:41,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:41,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:41,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:41,766 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 207 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 207 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:41,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:41,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:41,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:41,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:41,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:41,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:41,789 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:41,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:41,790 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 208 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 208 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:41,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:41,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:41,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:59:41,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:41,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:41,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:41,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:59:41,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:59:41,813 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 209 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 209 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:41,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:41,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:41,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:41,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:41,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:41,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:41,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:59:41,860 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 210 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:41,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:41,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:41,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:41,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:59:41,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:41,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:59:41,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 210 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:41,903 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 211 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 211 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:41,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:59:41,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:59:41,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:59:41,931 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:59:41,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:59:41,935 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-11-28 02:59:41,935 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 02:59:41,943 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 02:59:41,974 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2020-11-28 02:59:41,975 INFO L444 ModelExtractionUtils]: 0 out of 11 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/z3 Starting monitored process 212 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:59:41,999 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 212 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:59:42,005 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2020-11-28 02:59:42,005 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 02:59:42,006 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~q_free~0) = 1*~q_free~0 Supporting invariants [1*~q_free~0 >= 0] [2020-11-28 02:59:42,081 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2020-11-28 02:59:42,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:42,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 02:59:42,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:59:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:42,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 02:59:42,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:59:42,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:42,277 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-11-28 02:59:42,278 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 273 states and 328 transitions. cyclomatic complexity: 59 Second operand 6 states. [2020-11-28 02:59:42,475 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 273 states and 328 transitions. cyclomatic complexity: 59. Second operand 6 states. Result 1301 states and 1581 transitions. Complement of second has 9 states. [2020-11-28 02:59:42,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 02:59:42,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-28 02:59:42,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 340 transitions. [2020-11-28 02:59:42,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 340 transitions. Stem has 16 letters. Loop has 15 letters. [2020-11-28 02:59:42,480 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 02:59:42,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 340 transitions. Stem has 31 letters. Loop has 15 letters. [2020-11-28 02:59:42,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 02:59:42,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 340 transitions. Stem has 16 letters. Loop has 30 letters. [2020-11-28 02:59:42,484 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 02:59:42,485 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1301 states and 1581 transitions. [2020-11-28 02:59:42,499 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 675 [2020-11-28 02:59:42,508 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1301 states to 1061 states and 1288 transitions. [2020-11-28 02:59:42,508 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 772 [2020-11-28 02:59:42,509 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 777 [2020-11-28 02:59:42,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1061 states and 1288 transitions. [2020-11-28 02:59:42,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 02:59:42,510 INFO L691 BuchiCegarLoop]: Abstraction has 1061 states and 1288 transitions. [2020-11-28 02:59:42,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states and 1288 transitions. [2020-11-28 02:59:42,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 787. [2020-11-28 02:59:42,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2020-11-28 02:59:42,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 956 transitions. [2020-11-28 02:59:42,527 INFO L714 BuchiCegarLoop]: Abstraction has 787 states and 956 transitions. [2020-11-28 02:59:42,527 INFO L594 BuchiCegarLoop]: Abstraction has 787 states and 956 transitions. [2020-11-28 02:59:42,527 INFO L427 BuchiCegarLoop]: ======== Iteration 11============ [2020-11-28 02:59:42,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 787 states and 956 transitions. [2020-11-28 02:59:42,531 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 446 [2020-11-28 02:59:42,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:59:42,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:59:42,532 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:42,532 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:42,538 INFO L794 eck$LassoCheckResult]: Stem: 4381#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 4319#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 4320#L348 havoc start_simulation_#t~ret14, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 4360#L198 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 4361#L198-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 4399#L315-1 assume !false; 4641#L316 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret10, eval_#t~nondet11, eval_#t~nondet12, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 4642#L264 assume !false; 4673#L240 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 4672#L216 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 4671#L228 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 4670#L229 eval_#t~ret10 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret10;havoc eval_#t~ret10; 4669#L244 assume 0 != eval_~tmp___1~0; 4624#L244-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet11;havoc eval_#t~nondet11; 4625#L253 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet9; 4661#L98 assume !(0 == ~p_dw_pc~0); 4447#L101 assume 1 == ~p_dw_pc~0; 4448#L111 [2020-11-28 02:59:42,538 INFO L796 eck$LassoCheckResult]: Loop: 4448#L111 ~q_buf_0~0 := do_write_p_#t~nondet9;havoc do_write_p_#t~nondet9;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret7, immediate_notify_threads_#t~ret8, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 5033#L34 assume 1 == ~p_dw_pc~0; 5032#L35 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0 := 1; 5031#L45 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 5030#L46 immediate_notify_threads_#t~ret7 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret7;havoc immediate_notify_threads_#t~ret7; 5029#L76 assume 0 != immediate_notify_threads_~tmp~0;~p_dw_st~0 := 0; 4342#L76-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 4461#L53 assume !(1 == ~c_dr_pc~0); 4462#L53-2 is_do_read_c_triggered_~__retres1~1 := 0; 4464#L64 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 4339#L65 immediate_notify_threads_#t~ret8 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret8;havoc immediate_notify_threads_#t~ret8; 4317#L84 assume !(0 != immediate_notify_threads_~tmp___0~0); 4313#L84-2 ~q_write_ev~0 := 2; 4314#L109-1 assume !false; 5043#L110 assume !(0 == ~q_free~0); 4448#L111 [2020-11-28 02:59:42,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:42,539 INFO L82 PathProgramCache]: Analyzing trace with hash 560336285, now seen corresponding path program 1 times [2020-11-28 02:59:42,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:42,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182658179] [2020-11-28 02:59:42,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:42,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:42,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182658179] [2020-11-28 02:59:42,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:42,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:59:42,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66401368] [2020-11-28 02:59:42,577 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 02:59:42,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:42,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1691430829, now seen corresponding path program 1 times [2020-11-28 02:59:42,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:42,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109749406] [2020-11-28 02:59:42,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:42,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:42,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109749406] [2020-11-28 02:59:42,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:42,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-28 02:59:42,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127295739] [2020-11-28 02:59:42,593 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 02:59:42,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:42,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:42,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:42,594 INFO L87 Difference]: Start difference. First operand 787 states and 956 transitions. cyclomatic complexity: 183 Second operand 3 states. [2020-11-28 02:59:42,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:42,614 INFO L93 Difference]: Finished difference Result 400 states and 477 transitions. [2020-11-28 02:59:42,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:42,614 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 400 states and 477 transitions. [2020-11-28 02:59:42,617 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 264 [2020-11-28 02:59:42,620 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 400 states to 343 states and 410 transitions. [2020-11-28 02:59:42,620 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 340 [2020-11-28 02:59:42,621 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 343 [2020-11-28 02:59:42,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 343 states and 410 transitions. [2020-11-28 02:59:42,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 02:59:42,622 INFO L691 BuchiCegarLoop]: Abstraction has 343 states and 410 transitions. [2020-11-28 02:59:42,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states and 410 transitions. [2020-11-28 02:59:42,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 279. [2020-11-28 02:59:42,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2020-11-28 02:59:42,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 337 transitions. [2020-11-28 02:59:42,628 INFO L714 BuchiCegarLoop]: Abstraction has 279 states and 337 transitions. [2020-11-28 02:59:42,628 INFO L594 BuchiCegarLoop]: Abstraction has 279 states and 337 transitions. [2020-11-28 02:59:42,628 INFO L427 BuchiCegarLoop]: ======== Iteration 12============ [2020-11-28 02:59:42,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 279 states and 337 transitions. [2020-11-28 02:59:42,630 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 237 [2020-11-28 02:59:42,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:59:42,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:59:42,631 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:42,631 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:42,631 INFO L794 eck$LassoCheckResult]: Stem: 5540#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 5506#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 5507#L348 havoc start_simulation_#t~ret14, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 5527#L198 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 5528#L198-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 5550#L315-1 assume !false; 5657#L316 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret10, eval_#t~nondet11, eval_#t~nondet12, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 5653#L264 assume !false; 5650#L240 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 5647#L216 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 5644#L228 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 5641#L229 eval_#t~ret10 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret10;havoc eval_#t~ret10; 5638#L244 assume 0 != eval_~tmp___1~0; 5609#L244-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet11;havoc eval_#t~nondet11; 5610#L253 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet9; 5520#L98 assume 0 == ~p_dw_pc~0; 5521#L109-1 assume !false; 5519#L110 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 5546#L249 [2020-11-28 02:59:42,632 INFO L796 eck$LassoCheckResult]: Loop: 5546#L249 assume !(0 == ~c_dr_st~0); 5538#L264 assume !false; 5539#L240 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 5542#L216 assume !(0 == ~p_dw_st~0); 5543#L220 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2 := 1; 5572#L228 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 5573#L229 eval_#t~ret10 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret10;havoc eval_#t~ret10; 5574#L244 assume 0 != eval_~tmp___1~0; 5581#L244-1 assume !(0 == ~p_dw_st~0); 5546#L249 [2020-11-28 02:59:42,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:42,632 INFO L82 PathProgramCache]: Analyzing trace with hash 190554158, now seen corresponding path program 1 times [2020-11-28 02:59:42,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:42,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791908705] [2020-11-28 02:59:42,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:42,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:42,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791908705] [2020-11-28 02:59:42,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:42,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:59:42,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422574636] [2020-11-28 02:59:42,679 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 02:59:42,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:42,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1940933996, now seen corresponding path program 1 times [2020-11-28 02:59:42,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:42,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678397839] [2020-11-28 02:59:42,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:42,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:42,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678397839] [2020-11-28 02:59:42,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:42,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:42,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368815572] [2020-11-28 02:59:42,688 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 02:59:42,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:42,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:42,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:42,689 INFO L87 Difference]: Start difference. First operand 279 states and 337 transitions. cyclomatic complexity: 60 Second operand 3 states. [2020-11-28 02:59:42,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:42,716 INFO L93 Difference]: Finished difference Result 374 states and 437 transitions. [2020-11-28 02:59:42,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:42,717 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 374 states and 437 transitions. [2020-11-28 02:59:42,720 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 318 [2020-11-28 02:59:42,725 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 374 states to 374 states and 437 transitions. [2020-11-28 02:59:42,726 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 374 [2020-11-28 02:59:42,726 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 374 [2020-11-28 02:59:42,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 374 states and 437 transitions. [2020-11-28 02:59:42,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 02:59:42,727 INFO L691 BuchiCegarLoop]: Abstraction has 374 states and 437 transitions. [2020-11-28 02:59:42,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states and 437 transitions. [2020-11-28 02:59:42,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 215. [2020-11-28 02:59:42,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-11-28 02:59:42,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 254 transitions. [2020-11-28 02:59:42,732 INFO L714 BuchiCegarLoop]: Abstraction has 215 states and 254 transitions. [2020-11-28 02:59:42,733 INFO L594 BuchiCegarLoop]: Abstraction has 215 states and 254 transitions. [2020-11-28 02:59:42,733 INFO L427 BuchiCegarLoop]: ======== Iteration 13============ [2020-11-28 02:59:42,733 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 254 transitions. [2020-11-28 02:59:42,734 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 166 [2020-11-28 02:59:42,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:59:42,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:59:42,736 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:42,736 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:42,737 INFO L794 eck$LassoCheckResult]: Stem: 6202#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 6169#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 6170#L348 havoc start_simulation_#t~ret14, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 6190#L198 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 6191#L198-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 6208#L315-1 assume !false; 6310#L316 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret10, eval_#t~nondet11, eval_#t~nondet12, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 6307#L264 assume !false; 6305#L240 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 6303#L216 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 6301#L228 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 6299#L229 eval_#t~ret10 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret10;havoc eval_#t~ret10; 6296#L244 assume 0 != eval_~tmp___1~0; 6293#L244-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet11;havoc eval_#t~nondet11; 6290#L253 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet9; 6183#L98 assume 0 == ~p_dw_pc~0; 6184#L109-1 assume !false; 6275#L110 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 6274#L249 [2020-11-28 02:59:42,737 INFO L796 eck$LassoCheckResult]: Loop: 6274#L249 assume 0 == ~c_dr_st~0;eval_~tmp___0~1 := eval_#t~nondet12;havoc eval_#t~nondet12; 6225#L268 assume !(0 != eval_~tmp___0~1); 6227#L264 assume !false; 6285#L240 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 6284#L216 assume !(0 == ~p_dw_st~0); 6283#L220 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2 := 1; 6281#L228 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 6279#L229 eval_#t~ret10 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret10;havoc eval_#t~ret10; 6277#L244 assume 0 != eval_~tmp___1~0; 6276#L244-1 assume !(0 == ~p_dw_st~0); 6274#L249 [2020-11-28 02:59:42,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:42,737 INFO L82 PathProgramCache]: Analyzing trace with hash 190554158, now seen corresponding path program 2 times [2020-11-28 02:59:42,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:42,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017248051] [2020-11-28 02:59:42,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:42,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:42,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017248051] [2020-11-28 02:59:42,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:42,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:59:42,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117252384] [2020-11-28 02:59:42,789 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 02:59:42,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:42,790 INFO L82 PathProgramCache]: Analyzing trace with hash 896628821, now seen corresponding path program 1 times [2020-11-28 02:59:42,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:42,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217709821] [2020-11-28 02:59:42,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:42,792 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:42,794 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:42,795 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:59:42,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:42,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 02:59:42,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:59:42,859 INFO L87 Difference]: Start difference. First operand 215 states and 254 transitions. cyclomatic complexity: 42 Second operand 7 states. [2020-11-28 02:59:42,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:42,959 INFO L93 Difference]: Finished difference Result 216 states and 248 transitions. [2020-11-28 02:59:42,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:59:42,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 216 states and 248 transitions. [2020-11-28 02:59:42,961 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 132 [2020-11-28 02:59:42,963 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 216 states to 215 states and 247 transitions. [2020-11-28 02:59:42,963 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 215 [2020-11-28 02:59:42,964 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 215 [2020-11-28 02:59:42,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 215 states and 247 transitions. [2020-11-28 02:59:42,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 02:59:42,964 INFO L691 BuchiCegarLoop]: Abstraction has 215 states and 247 transitions. [2020-11-28 02:59:42,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states and 247 transitions. [2020-11-28 02:59:42,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 176. [2020-11-28 02:59:42,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-11-28 02:59:42,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 206 transitions. [2020-11-28 02:59:42,969 INFO L714 BuchiCegarLoop]: Abstraction has 176 states and 206 transitions. [2020-11-28 02:59:42,969 INFO L594 BuchiCegarLoop]: Abstraction has 176 states and 206 transitions. [2020-11-28 02:59:42,969 INFO L427 BuchiCegarLoop]: ======== Iteration 14============ [2020-11-28 02:59:42,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 176 states and 206 transitions. [2020-11-28 02:59:42,970 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 103 [2020-11-28 02:59:42,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:59:42,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:59:42,972 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:42,972 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:42,974 INFO L794 eck$LassoCheckResult]: Stem: 6649#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 6617#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 6618#L348 havoc start_simulation_#t~ret14, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 6638#L198 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 6639#L198-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 6655#L315-1 assume !false; 6752#L316 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret10, eval_#t~nondet11, eval_#t~nondet12, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 6751#L264 assume !false; 6749#L240 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 6746#L216 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 6743#L228 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 6739#L229 eval_#t~ret10 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret10;havoc eval_#t~ret10; 6735#L244 assume 0 != eval_~tmp___1~0; 6731#L244-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet11;havoc eval_#t~nondet11; 6644#L253 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet9; 6631#L98 assume !(0 == ~p_dw_pc~0); 6633#L101 assume 1 == ~p_dw_pc~0; 6656#L111 ~q_buf_0~0 := do_write_p_#t~nondet9;havoc do_write_p_#t~nondet9;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret7, immediate_notify_threads_#t~ret8, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 6657#L34 assume 1 == ~p_dw_pc~0; 6676#L35 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0 := 1; 6692#L45 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 6724#L46 immediate_notify_threads_#t~ret7 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret7;havoc immediate_notify_threads_#t~ret7; 6723#L76 assume !(0 != immediate_notify_threads_~tmp~0); 6619#L76-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 6620#L53 assume !(1 == ~c_dr_pc~0); 6665#L53-2 is_do_read_c_triggered_~__retres1~1 := 0; 6666#L64 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 6628#L65 immediate_notify_threads_#t~ret8 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret8;havoc immediate_notify_threads_#t~ret8; 6615#L84 assume !(0 != immediate_notify_threads_~tmp___0~0); 6616#L84-2 ~q_write_ev~0 := 2; 6741#L109-1 assume !false; 6737#L110 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 6733#L249 [2020-11-28 02:59:42,974 INFO L796 eck$LassoCheckResult]: Loop: 6733#L249 assume 0 == ~c_dr_st~0;eval_~tmp___0~1 := eval_#t~nondet12;havoc eval_#t~nondet12; 6671#L268 assume !(0 != eval_~tmp___0~1); 6673#L264 assume !false; 6756#L240 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 6755#L216 assume !(0 == ~p_dw_st~0); 6754#L220 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2 := 1; 6753#L228 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 6681#L229 eval_#t~ret10 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret10;havoc eval_#t~ret10; 6682#L244 assume 0 != eval_~tmp___1~0; 6688#L244-1 assume !(0 == ~p_dw_st~0); 6733#L249 [2020-11-28 02:59:42,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:42,975 INFO L82 PathProgramCache]: Analyzing trace with hash -2034026126, now seen corresponding path program 1 times [2020-11-28 02:59:42,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:42,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559956685] [2020-11-28 02:59:42,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:43,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:43,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559956685] [2020-11-28 02:59:43,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:43,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:59:43,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970221145] [2020-11-28 02:59:43,008 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 02:59:43,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:43,009 INFO L82 PathProgramCache]: Analyzing trace with hash 896628821, now seen corresponding path program 2 times [2020-11-28 02:59:43,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:43,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312368800] [2020-11-28 02:59:43,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:43,013 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:43,015 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:43,017 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:59:43,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:43,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:43,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:43,074 INFO L87 Difference]: Start difference. First operand 176 states and 206 transitions. cyclomatic complexity: 33 Second operand 3 states. [2020-11-28 02:59:43,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:43,101 INFO L93 Difference]: Finished difference Result 169 states and 194 transitions. [2020-11-28 02:59:43,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:43,102 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 194 transitions. [2020-11-28 02:59:43,103 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 103 [2020-11-28 02:59:43,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 169 states and 194 transitions. [2020-11-28 02:59:43,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2020-11-28 02:59:43,105 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2020-11-28 02:59:43,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 194 transitions. [2020-11-28 02:59:43,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 02:59:43,106 INFO L691 BuchiCegarLoop]: Abstraction has 169 states and 194 transitions. [2020-11-28 02:59:43,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 194 transitions. [2020-11-28 02:59:43,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2020-11-28 02:59:43,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-11-28 02:59:43,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 194 transitions. [2020-11-28 02:59:43,109 INFO L714 BuchiCegarLoop]: Abstraction has 169 states and 194 transitions. [2020-11-28 02:59:43,109 INFO L594 BuchiCegarLoop]: Abstraction has 169 states and 194 transitions. [2020-11-28 02:59:43,109 INFO L427 BuchiCegarLoop]: ======== Iteration 15============ [2020-11-28 02:59:43,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states and 194 transitions. [2020-11-28 02:59:43,110 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 103 [2020-11-28 02:59:43,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:59:43,110 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:59:43,112 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:43,112 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:43,112 INFO L794 eck$LassoCheckResult]: Stem: 7000#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 6967#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 6968#L348 havoc start_simulation_#t~ret14, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 6988#L198 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 6989#L198-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 7009#L315-1 assume !false; 7098#L316 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret10, eval_#t~nondet11, eval_#t~nondet12, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 7094#L264 assume !false; 7037#L240 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 7002#L216 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 7003#L228 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 7117#L229 eval_#t~ret10 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret10;havoc eval_#t~ret10; 7115#L244 assume 0 != eval_~tmp___1~0; 7078#L244-1 assume 0 == ~p_dw_st~0;eval_~tmp~1 := eval_#t~nondet11;havoc eval_#t~nondet11; 7077#L253 assume 0 != eval_~tmp~1;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet9; 6982#L98 assume 0 == ~p_dw_pc~0; 6983#L109-1 assume !false; 7079#L110 assume !(0 == ~q_free~0); 7010#L111 ~q_buf_0~0 := do_write_p_#t~nondet9;havoc do_write_p_#t~nondet9;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1;havoc immediate_notify_threads_#t~ret7, immediate_notify_threads_#t~ret8, immediate_notify_threads_~tmp~0, immediate_notify_threads_~tmp___0~0;havoc immediate_notify_threads_~tmp~0;havoc immediate_notify_threads_~tmp___0~0;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 7011#L34 assume !(1 == ~p_dw_pc~0); 7023#L34-2 is_do_write_p_triggered_~__retres1~0 := 0; 7024#L45 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 7029#L46 immediate_notify_threads_#t~ret7 := is_do_write_p_triggered_#res;immediate_notify_threads_~tmp~0 := immediate_notify_threads_#t~ret7;havoc immediate_notify_threads_#t~ret7; 6981#L76 assume !(0 != immediate_notify_threads_~tmp~0); 6969#L76-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 6970#L53 assume !(1 == ~c_dr_pc~0); 7044#L53-2 is_do_read_c_triggered_~__retres1~1 := 0; 7127#L64 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 7126#L65 immediate_notify_threads_#t~ret8 := is_do_read_c_triggered_#res;immediate_notify_threads_~tmp___0~0 := immediate_notify_threads_#t~ret8;havoc immediate_notify_threads_#t~ret8; 7125#L84 assume !(0 != immediate_notify_threads_~tmp___0~0); 7124#L84-2 ~q_write_ev~0 := 2; 7123#L109-1 assume !false; 7004#L110 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 7005#L249 [2020-11-28 02:59:43,112 INFO L796 eck$LassoCheckResult]: Loop: 7005#L249 assume 0 == ~c_dr_st~0;eval_~tmp___0~1 := eval_#t~nondet12;havoc eval_#t~nondet12; 7025#L268 assume !(0 != eval_~tmp___0~1); 7027#L264 assume !false; 7121#L240 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 7120#L216 assume !(0 == ~p_dw_st~0); 7119#L220 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2 := 1; 7032#L228 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 7033#L229 eval_#t~ret10 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret10;havoc eval_#t~ret10; 7034#L244 assume 0 != eval_~tmp___1~0; 7041#L244-1 assume !(0 == ~p_dw_st~0); 7005#L249 [2020-11-28 02:59:43,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:43,113 INFO L82 PathProgramCache]: Analyzing trace with hash 825120445, now seen corresponding path program 1 times [2020-11-28 02:59:43,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:43,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119163456] [2020-11-28 02:59:43,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:43,123 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:43,129 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:43,137 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:59:43,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:43,138 INFO L82 PathProgramCache]: Analyzing trace with hash 896628821, now seen corresponding path program 3 times [2020-11-28 02:59:43,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:43,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152456481] [2020-11-28 02:59:43,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:43,146 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:43,148 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:43,149 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:59:43,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:43,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1897894929, now seen corresponding path program 1 times [2020-11-28 02:59:43,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:43,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740690509] [2020-11-28 02:59:43,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:43,158 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:59:43,166 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:59:43,178 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:59:43,919 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 150 [2020-11-28 02:59:44,086 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-11-28 02:59:44,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:59:44 BoogieIcfgContainer [2020-11-28 02:59:44,109 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 02:59:44,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:59:44,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:59:44,110 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:59:44,110 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:28" (3/4) ... [2020-11-28 02:59:44,113 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-28 02:59:44,158 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cb38465e-82c1-4e72-b35f-a24efdcc323d/bin/uautomizer/witness.graphml [2020-11-28 02:59:44,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:59:44,160 INFO L168 Benchmark]: Toolchain (without parser) took 17450.86 ms. Allocated memory was 86.0 MB in the beginning and 132.1 MB in the end (delta: 46.1 MB). Free memory was 53.6 MB in the beginning and 37.5 MB in the end (delta: 16.2 MB). Peak memory consumption was 61.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:44,160 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 86.0 MB. Free memory was 42.2 MB in the beginning and 42.1 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:44,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.32 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 53.4 MB in the beginning and 83.8 MB in the end (delta: -30.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:44,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.79 ms. Allocated memory is still 109.1 MB. Free memory was 83.8 MB in the beginning and 81.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:44,161 INFO L168 Benchmark]: Boogie Preprocessor took 52.61 ms. Allocated memory is still 109.1 MB. Free memory was 81.7 MB in the beginning and 80.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:44,162 INFO L168 Benchmark]: RCFGBuilder took 810.70 ms. Allocated memory is still 109.1 MB. Free memory was 80.2 MB in the beginning and 55.0 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:44,162 INFO L168 Benchmark]: BuchiAutomizer took 16061.46 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 55.0 MB in the beginning and 40.5 MB in the end (delta: 14.5 MB). Peak memory consumption was 54.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:44,163 INFO L168 Benchmark]: Witness Printer took 49.37 ms. Allocated memory is still 132.1 MB. Free memory was 40.5 MB in the beginning and 37.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:44,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 86.0 MB. Free memory was 42.2 MB in the beginning and 42.1 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 393.32 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 53.4 MB in the beginning and 83.8 MB in the end (delta: -30.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.79 ms. Allocated memory is still 109.1 MB. Free memory was 83.8 MB in the beginning and 81.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.61 ms. Allocated memory is still 109.1 MB. Free memory was 81.7 MB in the beginning and 80.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 810.70 ms. Allocated memory is still 109.1 MB. Free memory was 80.2 MB in the beginning and 55.0 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 16061.46 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 55.0 MB in the beginning and 40.5 MB in the end (delta: 14.5 MB). Peak memory consumption was 54.7 MB. Max. memory is 16.1 GB. * Witness Printer took 49.37 ms. Allocated memory is still 132.1 MB. Free memory was 40.5 MB in the beginning and 37.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 14 terminating modules (13 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function q_free and consists of 6 locations. 13 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 169 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.9s and 15 iterations. TraceHistogramMax:2. Analysis of lassos took 14.1s. Construction of modules took 0.5s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 11. Minimization of nondet autom 3. Automata minimization 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 1030 StatesRemovedByMinimization, 10 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 787 states and ocurred in iteration 10. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1817 SDtfs, 1938 SDslu, 2336 SDs, 0 SdLazy, 313 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time LassoAnalysisResults: nont1 unkn0 SFLI6 SFLT0 conc1 concLT0 SILN2 SILU0 SILI4 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital82 mio100 ax100 hnf100 lsp26 ukn89 mio100 lsp86 div100 bol100 ite100 ukn100 eq210 hnf86 smp100 dnf119 smp100 tf106 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 77ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 264]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=10309} State at position 1 is {p_last_write=10, c_dr_i=1, c_dr_pc=0, NULL=10310, a_t=0, NULL=0, \result=0, NULL=10309, \result=0, c_num_read=0, tmp=11, c_dr_st=0, kernel_st=1, q_read_ev=2, p_dw_i=1, tmp___1=1, tmp___0=0, q_write_ev=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e02575d=0, __retres1=1, NULL=10311, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29a00cf6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ea607cf=0, p_dw_pc=1, NULL=0, NULL=0, NULL=0, tmp=0, q_free=0, NULL=10312, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c2b11f2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@738cdf5b=0, __retres1=0, p_dw_st=2, \result=0, tmp___0=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3df6815=0, c_last_read=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ed7e23c=0, NULL=0, __retres1=0, q_buf_0=10, p_num_write=1, __retres1=0, \result=1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 239]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L16] int q_buf_0 ; [L17] int q_free ; [L18] int q_read_ev ; [L19] int q_write_ev ; [L20] int p_num_write ; [L21] int p_last_write ; [L22] int p_dw_st ; [L23] int p_dw_pc ; [L24] int p_dw_i ; [L25] int c_num_read ; [L26] int c_last_read ; [L27] int c_dr_st ; [L28] int c_dr_pc ; [L29] int c_dr_i ; [L136] static int a_t ; [L352] int __retres1 ; [L338] q_free = 1 [L339] q_write_ev = 2 [L340] q_read_ev = q_write_ev [L341] p_num_write = 0 [L342] p_dw_pc = 0 [L343] p_dw_i = 1 [L344] c_num_read = 0 [L345] c_dr_pc = 0 [L346] c_dr_i = 1 [L306] int kernel_st ; [L307] int tmp ; [L311] kernel_st = 0 [L198] COND TRUE (int )p_dw_i == 1 [L199] p_dw_st = 0 [L203] COND TRUE (int )c_dr_i == 1 [L204] c_dr_st = 0 [L315] COND TRUE 1 [L318] kernel_st = 1 [L233] int tmp ; [L234] int tmp___0 ; [L235] int tmp___1 ; [L239] COND TRUE 1 [L213] int __retres1 ; [L216] COND TRUE (int )p_dw_st == 0 [L217] __retres1 = 1 [L229] return (__retres1); [L242] tmp___1 = exists_runnable_thread() [L244] COND TRUE \read(tmp___1) [L249] COND TRUE (int )p_dw_st == 0 [L251] tmp = __VERIFIER_nondet_int() [L253] COND TRUE \read(tmp) [L255] p_dw_st = 1 [L98] COND TRUE (int )p_dw_pc == 0 [L109] COND TRUE 1 [L111] COND FALSE !((int )q_free == 0) [L121] q_buf_0 = __VERIFIER_nondet_int() [L122] p_last_write = q_buf_0 [L123] p_num_write += 1 [L124] q_free = 0 [L125] q_write_ev = 1 [L69] int tmp ; [L70] int tmp___0 ; [L31] int __retres1 ; [L34] COND FALSE !((int )p_dw_pc == 1) [L44] __retres1 = 0 [L46] return (__retres1); [L74] tmp = is_do_write_p_triggered() [L76] COND FALSE !(\read(tmp)) [L50] int __retres1 ; [L53] COND FALSE !((int )c_dr_pc == 1) [L63] __retres1 = 0 [L65] return (__retres1); [L82] tmp___0 = is_do_read_c_triggered() [L84] COND FALSE !(\read(tmp___0)) [L127] q_write_ev = 2 [L109] COND TRUE 1 [L111] COND TRUE (int )q_free == 0 [L112] p_dw_st = 2 [L113] p_dw_pc = 1 Loop: [L264] COND TRUE (int )c_dr_st == 0 [L266] tmp___0 = __VERIFIER_nondet_int() [L268] COND FALSE !(\read(tmp___0)) [L239] COND TRUE 1 [L213] int __retres1 ; [L216] COND FALSE !((int )p_dw_st == 0) [L220] COND TRUE (int )c_dr_st == 0 [L221] __retres1 = 1 [L229] return (__retres1); [L242] tmp___1 = exists_runnable_thread() [L244] COND TRUE \read(tmp___1) [L249] COND FALSE !((int )p_dw_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...