./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_abbdf661-edfb-42bd-b7f8-f1a71ede3782/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:33,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:51:33,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:51:33,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:51:33,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:51:33,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:51:33,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:51:33,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:51:33,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:51:33,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:51:33,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:51:33,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:51:33,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:51:33,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:51:33,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:51:33,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:51:33,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:51:33,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:51:33,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:51:34,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:51:34,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:51:34,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:51:34,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:51:34,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:51:34,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:51:34,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:51:34,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:51:34,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:51:34,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:51:34,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:51:34,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:51:34,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:51:34,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:51:34,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:51:34,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:51:34,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:51:34,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:51:34,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:51:34,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:51:34,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:51:34,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:51:34,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 19:51:34,080 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:51:34,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:51:34,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:51:34,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:51:34,084 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:51:34,084 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 19:51:34,084 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 19:51:34,084 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 19:51:34,085 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 19:51:34,085 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 19:51:34,086 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 19:51:34,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:51:34,087 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:51:34,087 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 19:51:34,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:51:34,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:51:34,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:51:34,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 19:51:34,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 19:51:34,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 19:51:34,089 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:51:34,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:51:34,089 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 19:51:34,089 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:51:34,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 19:51:34,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:51:34,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:51:34,090 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 19:51:34,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:51:34,091 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:51:34,091 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:51:34,091 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 19:51:34,092 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 19:51:34,093 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_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b60d0a2361544de13d982747fad9d912bc87905e [2020-11-29 19:51:34,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:51:34,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:51:34,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:51:34,438 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:51:34,439 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:51:34,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/bin/uautomizer/../../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c [2020-11-29 19:51:34,540 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/bin/uautomizer/data/2ada30743/6eae3194dd3a40f5a71721916021a36c/FLAGf905a6533 [2020-11-29 19:51:35,042 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:51:35,042 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c [2020-11-29 19:51:35,052 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/bin/uautomizer/data/2ada30743/6eae3194dd3a40f5a71721916021a36c/FLAGf905a6533 [2020-11-29 19:51:35,373 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/bin/uautomizer/data/2ada30743/6eae3194dd3a40f5a71721916021a36c [2020-11-29 19:51:35,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:51:35,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:51:35,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:51:35,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:51:35,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:51:35,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:51:35" (1/1) ... [2020-11-29 19:51:35,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56faf34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:51:35, skipping insertion in model container [2020-11-29 19:51:35,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:51:35" (1/1) ... [2020-11-29 19:51:35,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:51:35,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:51:35,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:51:35,667 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:51:35,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:51:35,725 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:51:35,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:51:35 WrapperNode [2020-11-29 19:51:35,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:51:35,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:51:35,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:51:35,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:51:35,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:51:35" (1/1) ... [2020-11-29 19:51:35,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:51:35" (1/1) ... [2020-11-29 19:51:35,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:51:35,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:51:35,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:51:35,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:51:35,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:51:35" (1/1) ... [2020-11-29 19:51:35,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:51:35" (1/1) ... [2020-11-29 19:51:35,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:51:35" (1/1) ... [2020-11-29 19:51:35,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:51:35" (1/1) ... [2020-11-29 19:51:35,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:51:35" (1/1) ... [2020-11-29 19:51:35,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:51:35" (1/1) ... [2020-11-29 19:51:35,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:51:35" (1/1) ... [2020-11-29 19:51:35,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:51:35,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:51:35,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:51:35,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:51:35,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:51:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:51:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:51:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:51:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:51:36,452 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:51:36,453 INFO L298 CfgBuilder]: Removed 50 assume(true) statements. [2020-11-29 19:51:36,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:51:36 BoogieIcfgContainer [2020-11-29 19:51:36,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:51:36,457 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 19:51:36,457 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 19:51:36,461 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 19:51:36,462 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:51:36,463 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 07:51:35" (1/3) ... [2020-11-29 19:51:36,466 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11254340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:51:36, skipping insertion in model container [2020-11-29 19:51:36,466 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:51:36,467 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:51:35" (2/3) ... [2020-11-29 19:51:36,467 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11254340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:51:36, skipping insertion in model container [2020-11-29 19:51:36,467 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:51:36,467 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:51:36" (3/3) ... [2020-11-29 19:51:36,470 INFO L373 chiAutomizerObserver]: Analyzing ICFG pc_sfifo_1.cil-1.c [2020-11-29 19:51:36,549 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 19:51:36,549 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 19:51:36,550 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 19:51:36,550 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:51:36,550 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:51:36,550 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 19:51:36,550 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:51:36,550 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 19:51:36,573 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2020-11-29 19:51:36,612 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 69 [2020-11-29 19:51:36,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:51:36,612 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:51:36,632 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-29 19:51:36,632 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:36,633 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 19:51:36,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2020-11-29 19:51:36,663 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 69 [2020-11-29 19:51:36,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:51:36,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:51:36,668 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-29 19:51:36,669 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:36,677 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 [2020-11-29 19:51:36,680 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 [2020-11-29 19:51:36,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:36,688 INFO L82 PathProgramCache]: Analyzing trace with hash 28692871, now seen corresponding path program 1 times [2020-11-29 19:51:36,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:36,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657040849] [2020-11-29 19:51:36,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:36,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:36,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657040849] [2020-11-29 19:51:36,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:51:36,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:51:36,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417366821] [2020-11-29 19:51:36,919 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 19:51:36,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:36,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1998802738, now seen corresponding path program 1 times [2020-11-29 19:51:36,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:36,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179905174] [2020-11-29 19:51:36,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:36,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:36,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179905174] [2020-11-29 19:51:36,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:51:36,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:51:36,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849812453] [2020-11-29 19:51:36,931 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 19:51:36,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:51:36,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:51:36,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:51:36,950 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 3 states. [2020-11-29 19:51:36,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:51:36,983 INFO L93 Difference]: Finished difference Result 75 states and 103 transitions. [2020-11-29 19:51:36,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:51:36,985 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 103 transitions. [2020-11-29 19:51:36,988 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2020-11-29 19:51:36,994 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 68 states and 96 transitions. [2020-11-29 19:51:36,995 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2020-11-29 19:51:36,995 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2020-11-29 19:51:36,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 96 transitions. [2020-11-29 19:51:36,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:51:36,997 INFO L691 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2020-11-29 19:51:37,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 96 transitions. [2020-11-29 19:51:37,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-11-29 19:51:37,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-11-29 19:51:37,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2020-11-29 19:51:37,028 INFO L714 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2020-11-29 19:51:37,029 INFO L594 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2020-11-29 19:51:37,029 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 19:51:37,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 96 transitions. [2020-11-29 19:51:37,031 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2020-11-29 19:51:37,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:51:37,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:51:37,032 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-29 19:51:37,032 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:37,032 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 [2020-11-29 19:51:37,032 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 [2020-11-29 19:51:37,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:37,033 INFO L82 PathProgramCache]: Analyzing trace with hash 28692809, now seen corresponding path program 1 times [2020-11-29 19:51:37,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:37,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385961609] [2020-11-29 19:51:37,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:37,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:37,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385961609] [2020-11-29 19:51:37,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:51:37,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:51:37,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437834955] [2020-11-29 19:51:37,086 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 19:51:37,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:37,087 INFO L82 PathProgramCache]: Analyzing trace with hash -2072654239, now seen corresponding path program 1 times [2020-11-29 19:51:37,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:37,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229124717] [2020-11-29 19:51:37,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:37,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:37,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229124717] [2020-11-29 19:51:37,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:51:37,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:51:37,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661879823] [2020-11-29 19:51:37,143 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 19:51:37,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:51:37,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:51:37,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:51:37,145 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. cyclomatic complexity: 29 Second operand 3 states. [2020-11-29 19:51:37,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:51:37,163 INFO L93 Difference]: Finished difference Result 68 states and 95 transitions. [2020-11-29 19:51:37,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:51:37,164 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 95 transitions. [2020-11-29 19:51:37,166 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2020-11-29 19:51:37,168 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 68 states and 95 transitions. [2020-11-29 19:51:37,168 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2020-11-29 19:51:37,169 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2020-11-29 19:51:37,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 95 transitions. [2020-11-29 19:51:37,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:51:37,170 INFO L691 BuchiCegarLoop]: Abstraction has 68 states and 95 transitions. [2020-11-29 19:51:37,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 95 transitions. [2020-11-29 19:51:37,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-11-29 19:51:37,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-11-29 19:51:37,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 95 transitions. [2020-11-29 19:51:37,176 INFO L714 BuchiCegarLoop]: Abstraction has 68 states and 95 transitions. [2020-11-29 19:51:37,176 INFO L594 BuchiCegarLoop]: Abstraction has 68 states and 95 transitions. [2020-11-29 19:51:37,176 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 19:51:37,176 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 95 transitions. [2020-11-29 19:51:37,178 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 63 [2020-11-29 19:51:37,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:51:37,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:51:37,179 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-29 19:51:37,179 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:37,179 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 [2020-11-29 19:51:37,179 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 [2020-11-29 19:51:37,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:37,184 INFO L82 PathProgramCache]: Analyzing trace with hash 28692807, now seen corresponding path program 1 times [2020-11-29 19:51:37,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:37,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993021863] [2020-11-29 19:51:37,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:37,217 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:37,251 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:37,278 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:51:37,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:37,279 INFO L82 PathProgramCache]: Analyzing trace with hash -2072654239, now seen corresponding path program 2 times [2020-11-29 19:51:37,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:37,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623880190] [2020-11-29 19:51:37,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:37,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:37,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623880190] [2020-11-29 19:51:37,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:51:37,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:51:37,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823468943] [2020-11-29 19:51:37,323 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 19:51:37,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:51:37,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:51:37,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:51:37,325 INFO L87 Difference]: Start difference. First operand 68 states and 95 transitions. cyclomatic complexity: 28 Second operand 5 states. [2020-11-29 19:51:37,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:51:37,481 INFO L93 Difference]: Finished difference Result 134 states and 185 transitions. [2020-11-29 19:51:37,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 19:51:37,482 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 134 states and 185 transitions. [2020-11-29 19:51:37,485 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 129 [2020-11-29 19:51:37,487 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 134 states to 134 states and 185 transitions. [2020-11-29 19:51:37,487 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 134 [2020-11-29 19:51:37,488 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 134 [2020-11-29 19:51:37,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 134 states and 185 transitions. [2020-11-29 19:51:37,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:51:37,490 INFO L691 BuchiCegarLoop]: Abstraction has 134 states and 185 transitions. [2020-11-29 19:51:37,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states and 185 transitions. [2020-11-29 19:51:37,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 71. [2020-11-29 19:51:37,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-29 19:51:37,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 98 transitions. [2020-11-29 19:51:37,503 INFO L714 BuchiCegarLoop]: Abstraction has 71 states and 98 transitions. [2020-11-29 19:51:37,503 INFO L594 BuchiCegarLoop]: Abstraction has 71 states and 98 transitions. [2020-11-29 19:51:37,503 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 19:51:37,504 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 98 transitions. [2020-11-29 19:51:37,505 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2020-11-29 19:51:37,507 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:51:37,507 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:51:37,508 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-29 19:51:37,508 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:37,509 INFO L794 eck$LassoCheckResult]: Stem: 565#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 533#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 534#L348 havoc start_simulation_#t~ret14, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 554#L198 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 555#L198-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 557#L315-1 [2020-11-29 19:51:37,509 INFO L796 eck$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 [2020-11-29 19:51:37,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:37,510 INFO L82 PathProgramCache]: Analyzing trace with hash 28692807, now seen corresponding path program 2 times [2020-11-29 19:51:37,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:37,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835915562] [2020-11-29 19:51:37,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:37,526 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:37,538 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:37,545 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:51:37,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:37,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1214312452, now seen corresponding path program 1 times [2020-11-29 19:51:37,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:37,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7651003] [2020-11-29 19:51:37,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:37,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:37,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7651003] [2020-11-29 19:51:37,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:51:37,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:51:37,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177381065] [2020-11-29 19:51:37,569 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 19:51:37,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:51:37,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:51:37,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:51:37,570 INFO L87 Difference]: Start difference. First operand 71 states and 98 transitions. cyclomatic complexity: 28 Second operand 3 states. [2020-11-29 19:51:37,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:51:37,621 INFO L93 Difference]: Finished difference Result 116 states and 156 transitions. [2020-11-29 19:51:37,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:51:37,625 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 116 states and 156 transitions. [2020-11-29 19:51:37,627 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 109 [2020-11-29 19:51:37,628 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 116 states to 116 states and 156 transitions. [2020-11-29 19:51:37,628 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2020-11-29 19:51:37,629 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2020-11-29 19:51:37,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 156 transitions. [2020-11-29 19:51:37,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:51:37,630 INFO L691 BuchiCegarLoop]: Abstraction has 116 states and 156 transitions. [2020-11-29 19:51:37,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 156 transitions. [2020-11-29 19:51:37,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 99. [2020-11-29 19:51:37,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-11-29 19:51:37,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 132 transitions. [2020-11-29 19:51:37,638 INFO L714 BuchiCegarLoop]: Abstraction has 99 states and 132 transitions. [2020-11-29 19:51:37,638 INFO L594 BuchiCegarLoop]: Abstraction has 99 states and 132 transitions. [2020-11-29 19:51:37,638 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-29 19:51:37,638 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 132 transitions. [2020-11-29 19:51:37,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2020-11-29 19:51:37,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:51:37,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:51:37,641 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:37,641 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] [2020-11-29 19:51:37,641 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 [2020-11-29 19:51:37,642 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 [2020-11-29 19:51:37,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:37,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1803984585, now seen corresponding path program 1 times [2020-11-29 19:51:37,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:37,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401127935] [2020-11-29 19:51:37,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:37,654 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:37,665 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:37,672 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:51:37,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:37,673 INFO L82 PathProgramCache]: Analyzing trace with hash -2084554387, now seen corresponding path program 1 times [2020-11-29 19:51:37,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:37,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898768706] [2020-11-29 19:51:37,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:37,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:37,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898768706] [2020-11-29 19:51:37,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:51:37,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:51:37,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067275502] [2020-11-29 19:51:37,694 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 19:51:37,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:51:37,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:51:37,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:51:37,695 INFO L87 Difference]: Start difference. First operand 99 states and 132 transitions. cyclomatic complexity: 34 Second operand 3 states. [2020-11-29 19:51:37,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:51:37,736 INFO L93 Difference]: Finished difference Result 116 states and 154 transitions. [2020-11-29 19:51:37,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:51:37,736 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 116 states and 154 transitions. [2020-11-29 19:51:37,738 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 109 [2020-11-29 19:51:37,739 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 116 states to 116 states and 154 transitions. [2020-11-29 19:51:37,740 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2020-11-29 19:51:37,740 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2020-11-29 19:51:37,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 154 transitions. [2020-11-29 19:51:37,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:51:37,741 INFO L691 BuchiCegarLoop]: Abstraction has 116 states and 154 transitions. [2020-11-29 19:51:37,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 154 transitions. [2020-11-29 19:51:37,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 99. [2020-11-29 19:51:37,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-11-29 19:51:37,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 130 transitions. [2020-11-29 19:51:37,748 INFO L714 BuchiCegarLoop]: Abstraction has 99 states and 130 transitions. [2020-11-29 19:51:37,748 INFO L594 BuchiCegarLoop]: Abstraction has 99 states and 130 transitions. [2020-11-29 19:51:37,748 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-29 19:51:37,748 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 130 transitions. [2020-11-29 19:51:37,749 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2020-11-29 19:51:37,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:51:37,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:51:37,751 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:37,751 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] [2020-11-29 19:51:37,751 INFO L794 eck$LassoCheckResult]: Stem: 979#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 947#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 948#L348 havoc start_simulation_#t~ret14, start_simulation_~kernel_st~0, start_simulation_~tmp~3;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~3;start_simulation_~kernel_st~0 := 0; 968#L198 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 969#L198-2 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 985#L315-1 assume !false; 986#L316 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret10, eval_#t~nondet11, eval_#t~nondet12, eval_~tmp~1, eval_~tmp___0~1, eval_~tmp___1~0;havoc eval_~tmp~1;havoc eval_~tmp___0~1;havoc eval_~tmp___1~0; 964#L264 [2020-11-29 19:51:37,751 INFO L796 eck$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 [2020-11-29 19:51:37,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:37,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1803984585, now seen corresponding path program 2 times [2020-11-29 19:51:37,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:37,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375627509] [2020-11-29 19:51:37,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:37,773 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:37,792 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:37,805 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:51:37,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:37,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1845744473, now seen corresponding path program 1 times [2020-11-29 19:51:37,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:37,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419371218] [2020-11-29 19:51:37,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:37,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:37,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419371218] [2020-11-29 19:51:37,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:51:37,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:51:37,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981284534] [2020-11-29 19:51:37,833 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 19:51:37,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:51:37,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:51:37,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:51:37,834 INFO L87 Difference]: Start difference. First operand 99 states and 130 transitions. cyclomatic complexity: 32 Second operand 3 states. [2020-11-29 19:51:37,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:51:37,872 INFO L93 Difference]: Finished difference Result 125 states and 159 transitions. [2020-11-29 19:51:37,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:51:37,872 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 159 transitions. [2020-11-29 19:51:37,874 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2020-11-29 19:51:37,875 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 125 states and 159 transitions. [2020-11-29 19:51:37,876 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2020-11-29 19:51:37,876 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2020-11-29 19:51:37,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 159 transitions. [2020-11-29 19:51:37,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:51:37,877 INFO L691 BuchiCegarLoop]: Abstraction has 125 states and 159 transitions. [2020-11-29 19:51:37,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 159 transitions. [2020-11-29 19:51:37,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-11-29 19:51:37,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-11-29 19:51:37,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 159 transitions. [2020-11-29 19:51:37,883 INFO L714 BuchiCegarLoop]: Abstraction has 125 states and 159 transitions. [2020-11-29 19:51:37,883 INFO L594 BuchiCegarLoop]: Abstraction has 125 states and 159 transitions. [2020-11-29 19:51:37,885 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-11-29 19:51:37,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 159 transitions. [2020-11-29 19:51:37,886 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2020-11-29 19:51:37,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:51:37,886 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:51:37,887 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:37,887 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:37,887 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 [2020-11-29 19:51:37,888 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 [2020-11-29 19:51:37,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:37,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1783039958, now seen corresponding path program 1 times [2020-11-29 19:51:37,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:37,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228279085] [2020-11-29 19:51:37,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:37,898 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:37,907 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:37,913 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:51:37,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:37,914 INFO L82 PathProgramCache]: Analyzing trace with hash -268918169, now seen corresponding path program 1 times [2020-11-29 19:51:37,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:37,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748724112] [2020-11-29 19:51:37,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:38,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:38,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748724112] [2020-11-29 19:51:38,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:51:38,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:51:38,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445185669] [2020-11-29 19:51:38,014 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 19:51:38,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:51:38,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:51:38,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:51:38,015 INFO L87 Difference]: Start difference. First operand 125 states and 159 transitions. cyclomatic complexity: 36 Second operand 5 states. [2020-11-29 19:51:38,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:51:38,118 INFO L93 Difference]: Finished difference Result 275 states and 346 transitions. [2020-11-29 19:51:38,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:51:38,119 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 275 states and 346 transitions. [2020-11-29 19:51:38,122 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 255 [2020-11-29 19:51:38,132 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 275 states to 275 states and 346 transitions. [2020-11-29 19:51:38,132 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 275 [2020-11-29 19:51:38,133 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 275 [2020-11-29 19:51:38,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 275 states and 346 transitions. [2020-11-29 19:51:38,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:51:38,138 INFO L691 BuchiCegarLoop]: Abstraction has 275 states and 346 transitions. [2020-11-29 19:51:38,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states and 346 transitions. [2020-11-29 19:51:38,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 134. [2020-11-29 19:51:38,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-11-29 19:51:38,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 167 transitions. [2020-11-29 19:51:38,155 INFO L714 BuchiCegarLoop]: Abstraction has 134 states and 167 transitions. [2020-11-29 19:51:38,156 INFO L594 BuchiCegarLoop]: Abstraction has 134 states and 167 transitions. [2020-11-29 19:51:38,156 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-11-29 19:51:38,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states and 167 transitions. [2020-11-29 19:51:38,157 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 117 [2020-11-29 19:51:38,158 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:51:38,158 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:51:38,159 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:38,160 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:38,161 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 [2020-11-29 19:51:38,161 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 [2020-11-29 19:51:38,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:38,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1783039958, now seen corresponding path program 2 times [2020-11-29 19:51:38,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:38,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185941645] [2020-11-29 19:51:38,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:38,177 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:38,190 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:38,201 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:51:38,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:38,208 INFO L82 PathProgramCache]: Analyzing trace with hash -872319612, now seen corresponding path program 1 times [2020-11-29 19:51:38,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:38,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347854209] [2020-11-29 19:51:38,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:38,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:38,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347854209] [2020-11-29 19:51:38,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:51:38,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:51:38,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044408073] [2020-11-29 19:51:38,273 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 19:51:38,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:51:38,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:51:38,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:51:38,274 INFO L87 Difference]: Start difference. First operand 134 states and 167 transitions. cyclomatic complexity: 35 Second operand 5 states. [2020-11-29 19:51:38,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:51:38,356 INFO L93 Difference]: Finished difference Result 296 states and 360 transitions. [2020-11-29 19:51:38,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:51:38,357 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 296 states and 360 transitions. [2020-11-29 19:51:38,359 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 279 [2020-11-29 19:51:38,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 296 states to 296 states and 360 transitions. [2020-11-29 19:51:38,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 296 [2020-11-29 19:51:38,364 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 296 [2020-11-29 19:51:38,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 296 states and 360 transitions. [2020-11-29 19:51:38,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:51:38,365 INFO L691 BuchiCegarLoop]: Abstraction has 296 states and 360 transitions. [2020-11-29 19:51:38,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states and 360 transitions. [2020-11-29 19:51:38,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 146. [2020-11-29 19:51:38,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-11-29 19:51:38,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 179 transitions. [2020-11-29 19:51:38,385 INFO L714 BuchiCegarLoop]: Abstraction has 146 states and 179 transitions. [2020-11-29 19:51:38,387 INFO L594 BuchiCegarLoop]: Abstraction has 146 states and 179 transitions. [2020-11-29 19:51:38,387 INFO L427 BuchiCegarLoop]: ======== Iteration 9============ [2020-11-29 19:51:38,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 146 states and 179 transitions. [2020-11-29 19:51:38,389 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 129 [2020-11-29 19:51:38,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:51:38,389 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:51:38,389 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:38,391 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:38,391 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 [2020-11-29 19:51:38,391 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 [2020-11-29 19:51:38,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:38,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1783039958, now seen corresponding path program 3 times [2020-11-29 19:51:38,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:38,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638561310] [2020-11-29 19:51:38,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:38,408 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:38,417 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:38,427 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:51:38,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:38,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1078264795, now seen corresponding path program 1 times [2020-11-29 19:51:38,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:38,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402639709] [2020-11-29 19:51:38,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:38,442 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:38,450 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:38,462 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:51:38,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:38,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1917816028, now seen corresponding path program 1 times [2020-11-29 19:51:38,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:38,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934897335] [2020-11-29 19:51:38,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:38,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:38,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934897335] [2020-11-29 19:51:38,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:51:38,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-29 19:51:38,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416737963] [2020-11-29 19:51:38,746 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 19:51:38,746 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 19:51:38,747 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 19:51:38,747 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 19:51:38,747 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 19:51:38,747 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:38,747 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 19:51:38,747 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 19:51:38,748 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration9_Loop [2020-11-29 19:51:38,748 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 19:51:38,748 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 19:51:38,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:38,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:38,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:38,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:38,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:38,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:38,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:38,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:38,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:38,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:38,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:39,067 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 19:51:39,070 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:39,087 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 19:51:39,087 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 19:51:39,114 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 19:51:39,115 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: [] Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:39,241 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 19:51:39,241 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_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:39,285 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 19:51:39,285 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 19:51:39,331 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 19:51:39,333 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 19:51:39,333 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 19:51:39,333 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 19:51:39,333 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 19:51:39,333 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 19:51:39,333 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:39,333 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 19:51:39,333 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 19:51:39,333 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration9_Loop [2020-11-29 19:51:39,333 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 19:51:39,333 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 19:51:39,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:39,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:39,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:39,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:39,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:39,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:39,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:39,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:39,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:39,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:39,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:39,664 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 19:51:39,668 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:39,676 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 [2020-11-29 19:51:39,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:39,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:39,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:39,679 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:39,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:39,682 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:39,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:39,686 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:39,727 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 [2020-11-29 19:51:39,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:39,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:39,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:39,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:39,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:39,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:39,730 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 [2020-11-29 19:51:39,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:39,776 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 [2020-11-29 19:51:39,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:39,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:39,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:39,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:39,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:39,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:39,780 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 [2020-11-29 19:51:39,782 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:39,823 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 [2020-11-29 19:51:39,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:39,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:39,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:39,825 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:39,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:39,827 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:39,827 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 [2020-11-29 19:51:39,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:39,870 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 [2020-11-29 19:51:39,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:39,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:39,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:39,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:39,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:39,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:39,874 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 [2020-11-29 19:51:39,876 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:39,924 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 [2020-11-29 19:51:39,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:39,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:39,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:39,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:39,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:39,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:39,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:39,928 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:39,967 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 [2020-11-29 19:51:39,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:39,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:39,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:39,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:39,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:39,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:39,973 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 [2020-11-29 19:51:39,980 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:40,020 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 [2020-11-29 19:51:40,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:40,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:40,024 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 [2020-11-29 19:51:40,028 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:40,069 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 [2020-11-29 19:51:40,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:40,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:40,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:40,076 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:40,121 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 [2020-11-29 19:51:40,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:40,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:40,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,127 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:40,173 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 [2020-11-29 19:51:40,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:40,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:40,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:40,182 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 19:51:40,205 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:40,208 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 [2020-11-29 19:51:40,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,210 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:40,210 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:40,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:40,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,220 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:40,264 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 [2020-11-29 19:51:40,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,267 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:40,268 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:40,268 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 [2020-11-29 19:51:40,270 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:40,309 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 [2020-11-29 19:51:40,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,312 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:40,313 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:40,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,315 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:40,340 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 [2020-11-29 19:51:40,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,342 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:40,342 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:40,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:40,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,348 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:40,385 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 [2020-11-29 19:51:40,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,387 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:40,387 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:40,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,389 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:40,414 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 [2020-11-29 19:51:40,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,416 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:40,417 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:40,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,439 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:40,467 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 [2020-11-29 19:51:40,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,469 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:40,474 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:40,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:40,525 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 [2020-11-29 19:51:40,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,528 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:40,532 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:40,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:40,566 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 [2020-11-29 19:51:40,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,568 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:40,569 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:40,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:40,593 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:40,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,595 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:40,596 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:40,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:40,620 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 [2020-11-29 19:51:40,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,623 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:40,625 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:40,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,627 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 19:51:40,648 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:40,650 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:40,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,652 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:40,652 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:40,655 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-29 19:51:40,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,660 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:40,686 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 [2020-11-29 19:51:40,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,688 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:40,689 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:40,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,695 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:40,717 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 [2020-11-29 19:51:40,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,719 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:40,720 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:40,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,724 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:40,746 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 [2020-11-29 19:51:40,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,749 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:40,749 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:40,750 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-29 19:51:40,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,752 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:40,776 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 [2020-11-29 19:51:40,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,787 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:40,789 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:40,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,795 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:40,819 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 [2020-11-29 19:51:40,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,821 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:40,822 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:40,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,823 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:40,845 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 Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:40,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,848 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:40,850 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:40,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,853 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:40,875 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 [2020-11-29 19:51:40,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,877 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:40,884 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:40,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,887 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:40,913 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 [2020-11-29 19:51:40,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,916 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:40,917 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:40,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,920 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:40,942 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 [2020-11-29 19:51:40,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,944 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:40,946 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:40,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,948 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:40,971 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 [2020-11-29 19:51:40,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:40,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:40,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:40,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:40,975 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:40,979 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:40,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:40,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 19:51:41,028 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:41,031 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 [2020-11-29 19:51:41,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:41,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,034 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:41,034 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:41,038 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-29 19:51:41,038 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 [2020-11-29 19:51:41,045 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:41,081 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 [2020-11-29 19:51:41,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:41,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:41,084 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:41,085 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:41,085 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 [2020-11-29 19:51:41,088 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:41,128 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 [2020-11-29 19:51:41,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:41,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:41,130 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:41,132 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:41,132 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 [2020-11-29 19:51:41,136 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:41,173 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 [2020-11-29 19:51:41,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:41,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,176 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:41,176 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:41,177 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-29 19:51:41,178 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 [2020-11-29 19:51:41,181 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:41,217 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 [2020-11-29 19:51:41,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:41,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:41,220 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:41,221 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:41,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:41,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:41,261 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 [2020-11-29 19:51:41,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:41,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:41,264 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:41,265 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:41,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:41,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:41,305 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 [2020-11-29 19:51:41,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:41,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:41,309 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:41,312 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:41,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:41,318 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:41,355 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 [2020-11-29 19:51:41,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:41,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:41,359 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:41,361 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:41,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:41,371 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:41,413 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 [2020-11-29 19:51:41,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:41,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:41,415 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:41,417 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:41,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:41,420 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:41,456 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 [2020-11-29 19:51:41,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:41,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:41,458 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:41,460 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:41,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:41,463 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:41,502 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 [2020-11-29 19:51:41,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:41,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:41,505 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:41,509 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:41,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:41,513 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 19:51:41,546 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:41,550 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 [2020-11-29 19:51:41,551 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:41,552 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:41,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,552 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:41,552 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:41,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:41,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:41,564 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:41,592 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 [2020-11-29 19:51:41,594 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:41,595 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:41,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:41,595 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:41,596 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:41,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:41,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:41,625 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 [2020-11-29 19:51:41,626 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:41,626 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:41,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:41,626 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:41,627 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:41,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:41,642 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:41,671 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 [2020-11-29 19:51:41,673 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:41,673 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:41,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,673 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:41,673 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:41,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:41,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:41,680 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:41,716 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 [2020-11-29 19:51:41,718 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:41,718 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:41,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:41,718 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:41,719 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:41,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:41,722 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:41,759 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 [2020-11-29 19:51:41,761 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:41,762 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:41,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:41,762 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:41,763 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:41,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:41,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:41,813 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 [2020-11-29 19:51:41,815 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:41,815 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:41,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:41,815 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:41,817 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:41,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:41,823 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:41,872 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 [2020-11-29 19:51:41,875 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:41,875 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:41,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:41,876 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:41,877 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:41,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:41,882 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:41,920 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 [2020-11-29 19:51:41,922 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:41,922 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:41,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:41,923 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:41,924 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:41,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:41,929 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:41,966 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 [2020-11-29 19:51:41,968 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:41,968 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:41,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:41,969 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:41,970 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:41,970 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 [2020-11-29 19:51:41,973 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:41,994 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 [2020-11-29 19:51:41,996 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:41,996 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:41,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:41,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:41,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:41,996 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:41,998 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:41,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:42,040 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 19:51:42,074 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:42,081 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 [2020-11-29 19:51:42,084 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,084 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:42,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,084 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:42,084 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:42,087 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-29 19:51:42,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:42,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:42,135 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 [2020-11-29 19:51:42,138 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,138 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:42,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:42,138 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:42,140 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:42,140 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 [2020-11-29 19:51:42,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:42,188 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 [2020-11-29 19:51:42,191 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,191 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:42,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:42,191 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:42,193 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:42,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:42,198 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:42,236 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 [2020-11-29 19:51:42,238 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,239 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:42,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,239 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:42,239 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:42,241 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-29 19:51:42,242 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 [2020-11-29 19:51:42,249 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:42,286 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 [2020-11-29 19:51:42,288 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,288 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:42,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:42,289 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:42,290 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:42,290 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 [2020-11-29 19:51:42,295 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:42,332 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 [2020-11-29 19:51:42,335 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,335 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:42,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:42,335 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:42,337 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:42,337 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 [2020-11-29 19:51:42,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:42,380 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 [2020-11-29 19:51:42,383 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,383 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:42,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:42,383 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:42,387 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:42,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:42,395 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:42,417 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 [2020-11-29 19:51:42,420 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,420 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:42,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:42,420 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:42,422 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:42,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:42,428 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:42,458 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 [2020-11-29 19:51:42,460 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,460 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:42,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:42,460 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:42,462 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:42,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:42,489 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:42,518 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 [2020-11-29 19:51:42,520 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,520 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:42,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:42,520 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:42,522 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:42,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:42,528 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:42,558 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 [2020-11-29 19:51:42,560 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,560 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:42,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:42,560 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:42,563 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:42,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:42,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 19:51:42,589 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:42,591 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 [2020-11-29 19:51:42,594 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,594 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:42,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,594 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:42,594 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:42,600 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-29 19:51:42,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:42,616 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:42,657 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 [2020-11-29 19:51:42,659 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,660 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:42,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:42,660 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:42,662 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:42,662 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 [2020-11-29 19:51:42,667 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:42,704 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 [2020-11-29 19:51:42,707 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,707 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:42,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:42,708 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:42,710 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:42,710 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 [2020-11-29 19:51:42,717 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:42,754 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 Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:42,756 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,756 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:42,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,757 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:42,757 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:42,759 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-29 19:51:42,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:42,771 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:42,800 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 [2020-11-29 19:51:42,802 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,802 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:42,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:42,802 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:42,804 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:42,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:42,817 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:42,846 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 [2020-11-29 19:51:42,848 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,849 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:42,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:42,849 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:42,850 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:42,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:42,854 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:42,876 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 [2020-11-29 19:51:42,878 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,878 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:42,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:42,879 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:42,884 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:42,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:42,901 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:42,924 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 [2020-11-29 19:51:42,927 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,927 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:42,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:42,928 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:42,931 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:42,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:42,940 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:42,975 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 [2020-11-29 19:51:42,977 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:42,978 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:42,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:42,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:42,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:42,978 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:42,979 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:42,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:42,985 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:43,006 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 [2020-11-29 19:51:43,008 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,008 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:43,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:43,009 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:43,010 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:43,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:43,020 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:43,067 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 [2020-11-29 19:51:43,070 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,071 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:43,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:43,071 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:43,083 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:43,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:43,092 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 19:51:43,126 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:43,133 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 [2020-11-29 19:51:43,135 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,135 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:43,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,135 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:43,135 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:43,138 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-29 19:51:43,138 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 [2020-11-29 19:51:43,145 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:43,181 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 [2020-11-29 19:51:43,183 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,184 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:43,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:43,184 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:43,185 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:43,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:43,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:43,223 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 [2020-11-29 19:51:43,225 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,225 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:43,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:43,226 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:43,227 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:43,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:43,231 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:43,268 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 [2020-11-29 19:51:43,270 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,270 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:43,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,271 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:43,271 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:43,272 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-29 19:51:43,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:43,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:43,316 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 [2020-11-29 19:51:43,319 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,319 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:43,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:43,319 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:43,320 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:43,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:43,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:43,360 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 [2020-11-29 19:51:43,362 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,362 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:43,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:43,363 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:43,364 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:43,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:43,367 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:43,403 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 [2020-11-29 19:51:43,405 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,406 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:43,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:43,406 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:43,409 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:43,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:43,415 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:43,450 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 [2020-11-29 19:51:43,453 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,453 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:43,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:43,453 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:43,456 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:43,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:43,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:43,500 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 [2020-11-29 19:51:43,502 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,503 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:43,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:43,503 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:43,504 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:43,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:43,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:43,545 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 [2020-11-29 19:51:43,547 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,547 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:43,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:43,548 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:43,549 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:43,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:43,553 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:43,590 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 [2020-11-29 19:51:43,592 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,592 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:43,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:43,593 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:43,596 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:43,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:43,600 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 19:51:43,621 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:43,624 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 [2020-11-29 19:51:43,626 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,626 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:43,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,626 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:43,626 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:43,640 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-29 19:51:43,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:43,650 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:43,673 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 [2020-11-29 19:51:43,675 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,675 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:43,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:43,675 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:43,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:43,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:43,684 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:43,707 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 [2020-11-29 19:51:43,709 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,709 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:43,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:43,710 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:43,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:43,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:43,728 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:43,769 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 [2020-11-29 19:51:43,771 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,771 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:43,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,771 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:43,771 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:43,774 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-29 19:51:43,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:43,780 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:43,818 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 [2020-11-29 19:51:43,820 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,820 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:43,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:43,821 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:43,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:43,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:43,828 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:43,864 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 [2020-11-29 19:51:43,866 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,866 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:43,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:43,867 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:43,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:43,868 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 [2020-11-29 19:51:43,873 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:43,903 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 [2020-11-29 19:51:43,905 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,905 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:43,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:43,906 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:43,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:43,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:43,915 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:43,937 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 [2020-11-29 19:51:43,940 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,940 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:43,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:43,940 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:43,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:43,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:43,953 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:43,978 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 [2020-11-29 19:51:43,981 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:43,981 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:43,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:43,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:43,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:43,981 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:43,983 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:43,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:43,987 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:44,009 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 [2020-11-29 19:51:44,010 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:44,011 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:44,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:44,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:44,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:44,011 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:44,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:44,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:44,017 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:44,039 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 [2020-11-29 19:51:44,041 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:44,041 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:44,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:44,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:44,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:44,041 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:44,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:44,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:44,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 19:51:44,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:51:44,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 19:51:44,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:51:44,081 INFO L87 Difference]: Start difference. First operand 146 states and 179 transitions. cyclomatic complexity: 35 Second operand 7 states. [2020-11-29 19:51:44,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:51:44,236 INFO L93 Difference]: Finished difference Result 379 states and 450 transitions. [2020-11-29 19:51:44,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 19:51:44,237 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 379 states and 450 transitions. [2020-11-29 19:51:44,240 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 360 [2020-11-29 19:51:44,244 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 379 states to 379 states and 450 transitions. [2020-11-29 19:51:44,244 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 379 [2020-11-29 19:51:44,244 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 379 [2020-11-29 19:51:44,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 379 states and 450 transitions. [2020-11-29 19:51:44,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:51:44,245 INFO L691 BuchiCegarLoop]: Abstraction has 379 states and 450 transitions. [2020-11-29 19:51:44,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states and 450 transitions. [2020-11-29 19:51:44,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 273. [2020-11-29 19:51:44,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-11-29 19:51:44,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 328 transitions. [2020-11-29 19:51:44,254 INFO L714 BuchiCegarLoop]: Abstraction has 273 states and 328 transitions. [2020-11-29 19:51:44,254 INFO L594 BuchiCegarLoop]: Abstraction has 273 states and 328 transitions. [2020-11-29 19:51:44,254 INFO L427 BuchiCegarLoop]: ======== Iteration 10============ [2020-11-29 19:51:44,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 273 states and 328 transitions. [2020-11-29 19:51:44,256 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 255 [2020-11-29 19:51:44,256 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:51:44,256 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:51:44,257 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:44,257 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:44,257 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 [2020-11-29 19:51:44,257 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 [2020-11-29 19:51:44,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:44,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1783039958, now seen corresponding path program 4 times [2020-11-29 19:51:44,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:44,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851892429] [2020-11-29 19:51:44,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:44,266 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:44,272 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:44,276 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:51:44,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:44,276 INFO L82 PathProgramCache]: Analyzing trace with hash -872319550, now seen corresponding path program 1 times [2020-11-29 19:51:44,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:44,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141734624] [2020-11-29 19:51:44,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:44,280 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:44,283 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:44,285 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:51:44,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:44,286 INFO L82 PathProgramCache]: Analyzing trace with hash 2123761273, now seen corresponding path program 1 times [2020-11-29 19:51:44,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:44,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112134195] [2020-11-29 19:51:44,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:44,294 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:44,300 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:44,306 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:51:44,428 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 19:51:44,428 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 19:51:44,428 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 19:51:44,428 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 19:51:44,428 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 19:51:44,428 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:44,428 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 19:51:44,428 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 19:51:44,428 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration10_Loop [2020-11-29 19:51:44,429 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 19:51:44,429 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 19:51:44,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,684 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 19:51:44,684 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:44,690 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 19:51:44,690 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 19:51:44,695 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 19:51:44,695 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_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:44,716 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 19:51:44,716 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:44,743 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 19:51:44,743 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 19:51:44,782 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 19:51:44,785 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 19:51:44,785 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 19:51:44,786 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 19:51:44,786 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 19:51:44,786 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 19:51:44,786 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:44,786 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 19:51:44,786 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 19:51:44,786 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration10_Loop [2020-11-29 19:51:44,786 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 19:51:44,786 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 19:51:44,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:44,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:45,015 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 19:51:45,015 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:45,024 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 [2020-11-29 19:51:45,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:45,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:45,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:45,029 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:45,065 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 [2020-11-29 19:51:45,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,067 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:45,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:45,068 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:45,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:45,075 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:45,108 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 [2020-11-29 19:51:45,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:45,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:45,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:45,116 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,140 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 [2020-11-29 19:51:45,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:45,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:45,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,165 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 [2020-11-29 19:51:45,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:45,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:45,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,189 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 [2020-11-29 19:51:45,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:45,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:45,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,193 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,215 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 [2020-11-29 19:51:45,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,216 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:45,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:45,216 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:45,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,239 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 [2020-11-29 19:51:45,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:45,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:45,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,242 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,266 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 [2020-11-29 19:51:45,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:45,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:45,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,275 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:45,322 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 [2020-11-29 19:51:45,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:45,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:45,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:45,327 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,349 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 [2020-11-29 19:51:45,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,350 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:45,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:45,351 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:45,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,352 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 19:51:45,372 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,375 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 [2020-11-29 19:51:45,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,377 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:45,377 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:45,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,400 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 [2020-11-29 19:51:45,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,401 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:45,401 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:45,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:45,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,405 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,427 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 [2020-11-29 19:51:45,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,428 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:45,429 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:45,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,430 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,451 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 [2020-11-29 19:51:45,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,453 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:45,458 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:45,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,460 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,481 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 [2020-11-29 19:51:45,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,483 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:45,483 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:45,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,508 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 [2020-11-29 19:51:45,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,510 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:45,511 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:45,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,512 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,533 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 [2020-11-29 19:51:45,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,535 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:45,535 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:45,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:45,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,539 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,561 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 [2020-11-29 19:51:45,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,562 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:45,563 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:45,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,564 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,585 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 [2020-11-29 19:51:45,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,587 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:45,588 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:45,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,589 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,611 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 [2020-11-29 19:51:45,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,613 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:45,614 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:45,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,616 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,639 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 [2020-11-29 19:51:45,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,641 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:45,641 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:45,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:45,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,644 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 19:51:45,663 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,686 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 [2020-11-29 19:51:45,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,688 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:45,688 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:45,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,690 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,712 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 [2020-11-29 19:51:45,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,714 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:45,714 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:45,716 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-29 19:51:45,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,742 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 [2020-11-29 19:51:45,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,743 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:45,744 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:45,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,745 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,771 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 [2020-11-29 19:51:45,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,773 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:45,775 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:45,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,777 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,799 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 [2020-11-29 19:51:45,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,802 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:45,803 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:45,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,808 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:45,829 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 [2020-11-29 19:51:45,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,831 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:45,833 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:45,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,835 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:45,857 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 [2020-11-29 19:51:45,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,859 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:45,859 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:45,860 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-29 19:51:45,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:45,899 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 [2020-11-29 19:51:45,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,904 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:45,905 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:45,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,907 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:45,934 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 [2020-11-29 19:51:45,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,936 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:45,936 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:45,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,938 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:45,959 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 [2020-11-29 19:51:45,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:45,961 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:45,962 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:45,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,965 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:45,986 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 [2020-11-29 19:51:45,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:45,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:45,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:45,987 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:45,987 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:45,988 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-29 19:51:45,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:45,990 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 19:51:46,011 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:46,012 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 [2020-11-29 19:51:46,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:46,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,014 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:46,015 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:46,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,016 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:46,037 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 [2020-11-29 19:51:46,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:46,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,039 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:46,039 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:46,041 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-29 19:51:46,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,045 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:46,066 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 [2020-11-29 19:51:46,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:46,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,068 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:46,069 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:46,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,073 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 143 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:46,094 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 [2020-11-29 19:51:46,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:46,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,096 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:46,099 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:46,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 144 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:46,123 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 [2020-11-29 19:51:46,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:46,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,125 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:46,125 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:46,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,128 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 145 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:46,150 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 [2020-11-29 19:51:46,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:46,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,152 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:46,154 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:46,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 146 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:46,178 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 [2020-11-29 19:51:46,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:46,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,180 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:46,180 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:46,181 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-29 19:51:46,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,183 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,210 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 [2020-11-29 19:51:46,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:46,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,213 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:46,214 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:46,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,224 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,247 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 [2020-11-29 19:51:46,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:46,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,249 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:46,250 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:46,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,256 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,278 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 [2020-11-29 19:51:46,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:46,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,281 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:46,282 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:46,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,285 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,307 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 [2020-11-29 19:51:46,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:46,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,309 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:46,309 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:46,310 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-29 19:51:46,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,313 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 19:51:46,335 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,337 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 [2020-11-29 19:51:46,339 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,339 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:46,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,339 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:46,340 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:46,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,342 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,364 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 [2020-11-29 19:51:46,365 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,366 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:46,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,366 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:46,366 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:46,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:46,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,394 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 [2020-11-29 19:51:46,396 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,396 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:46,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,396 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:46,397 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:46,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,399 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,421 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 [2020-11-29 19:51:46,424 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,425 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:46,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,425 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:46,426 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:46,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,429 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,451 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 [2020-11-29 19:51:46,453 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,453 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:46,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,453 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:46,454 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:46,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,457 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,479 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 [2020-11-29 19:51:46,480 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,480 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:46,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,481 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:46,482 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:46,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,485 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,508 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 [2020-11-29 19:51:46,509 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,510 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:46,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,510 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:46,510 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:46,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:46,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,514 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,537 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 [2020-11-29 19:51:46,538 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,538 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:46,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,538 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:46,539 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:46,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,542 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,564 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 [2020-11-29 19:51:46,566 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,566 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:46,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,566 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:46,567 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:46,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,591 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 [2020-11-29 19:51:46,593 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,593 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:46,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,593 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:46,594 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-29 19:51:46,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,603 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,625 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 [2020-11-29 19:51:46,627 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,627 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:46,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,627 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:46,627 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-29 19:51:46,628 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:46,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,631 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 19:51:46,651 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,654 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 [2020-11-29 19:51:46,656 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,656 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:46,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,656 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:46,657 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:46,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,660 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,685 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 [2020-11-29 19:51:46,687 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,687 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:46,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,687 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:46,687 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:46,689 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-29 19:51:46,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,696 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,719 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 [2020-11-29 19:51:46,720 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,721 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:46,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,721 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:46,721 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:46,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,758 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 [2020-11-29 19:51:46,760 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,760 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:46,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,760 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:46,762 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:46,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,767 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,789 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 [2020-11-29 19:51:46,790 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,791 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:46,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,791 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:46,792 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:46,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,796 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,818 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 [2020-11-29 19:51:46,820 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,820 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:46,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,821 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:46,822 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:46,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,848 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:46,899 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 [2020-11-29 19:51:46,901 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,901 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:46,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,902 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:46,902 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:46,903 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-29 19:51:46,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,924 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 168 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,952 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 [2020-11-29 19:51:46,953 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,953 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:46,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,954 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:46,955 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:46,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,959 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:46,983 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 [2020-11-29 19:51:46,984 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:46,985 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:46,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:46,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:46,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:46,985 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:46,986 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:46,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:46,989 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:47,012 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 [2020-11-29 19:51:47,014 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,014 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:47,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:47,015 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:47,017 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:47,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:47,024 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:47,070 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 [2020-11-29 19:51:47,072 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,072 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-29 19:51:47,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,073 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:47,073 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:47,075 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-29 19:51:47,075 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 [2020-11-29 19:51:47,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 19:51:47,115 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:47,118 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 [2020-11-29 19:51:47,120 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,121 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:47,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:47,121 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:47,123 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:47,123 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 [2020-11-29 19:51:47,128 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:47,164 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 [2020-11-29 19:51:47,167 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,167 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:47,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,168 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:47,168 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:47,173 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-29 19:51:47,173 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 [2020-11-29 19:51:47,187 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:47,224 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 [2020-11-29 19:51:47,227 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,227 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:47,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:47,228 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:47,229 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:47,229 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 [2020-11-29 19:51:47,235 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:47,272 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 [2020-11-29 19:51:47,275 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,276 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:47,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:47,276 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:47,281 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:47,281 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 [2020-11-29 19:51:47,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:47,326 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 177 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:47,329 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,329 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:47,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:47,330 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:47,332 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:47,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:47,340 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:47,380 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 [2020-11-29 19:51:47,383 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,383 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:47,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:47,384 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:47,388 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:47,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 178 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:47,395 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:47,431 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 [2020-11-29 19:51:47,434 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,434 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:47,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,435 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:47,435 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:47,438 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-29 19:51:47,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 179 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:47,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:47,484 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 [2020-11-29 19:51:47,486 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,486 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:47,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:47,487 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:47,489 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:47,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 180 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:47,498 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:47,519 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 [2020-11-29 19:51:47,521 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,522 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:47,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:47,522 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:47,524 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:47,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:47,532 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:47,562 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 [2020-11-29 19:51:47,565 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,565 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:47,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:47,565 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:47,567 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-29 19:51:47,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:47,573 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:47,595 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 [2020-11-29 19:51:47,597 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,597 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:47,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,597 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:47,597 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-29 19:51:47,599 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-29 19:51:47,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:47,605 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 19:51:47,624 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:47,626 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 [2020-11-29 19:51:47,627 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,627 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:47,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:47,628 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:47,628 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:47,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:47,631 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:47,659 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 [2020-11-29 19:51:47,660 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,660 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:47,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,660 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:47,660 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:47,662 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-29 19:51:47,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:47,667 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:47,688 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 [2020-11-29 19:51:47,690 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,690 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:47,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:47,690 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:47,695 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:47,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:47,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 187 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:47,722 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 [2020-11-29 19:51:47,724 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,724 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:47,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:47,725 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:47,727 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:47,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:47,731 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:47,752 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 [2020-11-29 19:51:47,754 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,754 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:47,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:47,754 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:47,755 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:47,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:47,758 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:47,781 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 [2020-11-29 19:51:47,783 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,783 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:47,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:47,783 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:47,784 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:47,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:47,787 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:47,809 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 [2020-11-29 19:51:47,810 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,810 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:47,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,811 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:47,811 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:47,812 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-29 19:51:47,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:47,814 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:47,846 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 Waiting until toolchain timeout for monitored process 191 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:47,847 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,847 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:47,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:47,848 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:47,848 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:47,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:47,851 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:47,875 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 [2020-11-29 19:51:47,876 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,876 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:47,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:47,876 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:47,877 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:47,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:47,879 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:47,900 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 [2020-11-29 19:51:47,902 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,902 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:47,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:47,902 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:47,904 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:51:47,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:47,907 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:47,929 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 [2020-11-29 19:51:47,931 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,931 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-29 19:51:47,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,931 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:47,931 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-29 19:51:47,932 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-29 19:51:47,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:47,935 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 19:51:47,954 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:47,956 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 [2020-11-29 19:51:47,958 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,958 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:47,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:47,967 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:47,968 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:47,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:47,971 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:47,992 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 [2020-11-29 19:51:47,993 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:47,993 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:47,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:47,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:47,994 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:47,994 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:47,996 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-29 19:51:47,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:48,004 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:48,031 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 [2020-11-29 19:51:48,033 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:48,033 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:48,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:48,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:48,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:48,033 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:48,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:48,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:48,037 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:48,058 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 [2020-11-29 19:51:48,060 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:48,060 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:48,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:48,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:48,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:48,061 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:48,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:48,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:48,069 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:48,091 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 [2020-11-29 19:51:48,092 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:48,093 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:48,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:48,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:48,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:48,093 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:48,094 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:48,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:48,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:48,119 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 [2020-11-29 19:51:48,121 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:48,121 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:48,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:48,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:48,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:48,122 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:48,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:48,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:48,128 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:48,150 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 [2020-11-29 19:51:48,151 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:48,152 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:48,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:48,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:48,152 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:48,152 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:48,153 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-29 19:51:48,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:48,158 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:48,179 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 [2020-11-29 19:51:48,181 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:48,181 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:48,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:48,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:48,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:48,181 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:48,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:48,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:48,186 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:48,209 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 [2020-11-29 19:51:48,212 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:48,212 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:48,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:48,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:48,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:48,212 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:48,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:48,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:48,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:48,269 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 [2020-11-29 19:51:48,272 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:48,272 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:48,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:48,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:48,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:48,273 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:48,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:48,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 204 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:48,284 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:48,314 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 205 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:48,316 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-29 19:51:48,316 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-29 19:51:48,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:48,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:48,316 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:48,316 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-29 19:51:48,318 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-29 19:51:48,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:48,332 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-29 19:51:48,775 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2020-11-29 19:51:48,909 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-29 19:51:48,911 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 19:51:48,911 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 19:51:48,911 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 19:51:48,911 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 19:51:48,911 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 19:51:48,911 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:48,911 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 19:51:48,911 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 19:51:48,911 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_1.cil-1.c_Iteration10_Lasso [2020-11-29 19:51:48,911 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 19:51:48,912 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 19:51:48,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:48,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:48,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:48,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:48,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:48,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:48,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:48,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:48,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:48,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:48,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:48,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:48,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:51:49,609 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 19:51:49,609 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:49,620 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 [2020-11-29 19:51:49,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:49,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:49,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:49,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:49,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:49,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:49,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 206 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:49,625 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:49,657 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 [2020-11-29 19:51:49,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:49,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:49,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:49,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:49,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:49,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:49,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:49,660 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:49,681 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 [2020-11-29 19:51:49,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:49,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:51:49,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:49,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:49,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:49,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:51:49,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:51:49,690 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:49,711 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 [2020-11-29 19:51:49,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:49,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:49,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:49,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:49,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:49,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 19:51:49,742 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) Waiting until toolchain timeout for monitored process 210 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:51:49,764 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 [2020-11-29 19:51:49,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:49,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:49,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:51:49,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:49,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:51:49,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 19:51:49,769 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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 [2020-11-29 19:51:49,791 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 [2020-11-29 19:51:49,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:51:49,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:51:49,792 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:51:49,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:51:49,797 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-11-29 19:51:49,797 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-29 19:51:49,814 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 19:51:49,884 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2020-11-29 19:51:49,884 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_abbdf661-edfb-42bd-b7f8-f1a71ede3782/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) [2020-11-29 19:51:49,890 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 [2020-11-29 19:51:49,895 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2020-11-29 19:51:49,895 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 19:51:49,895 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~q_free~0) = 1*~q_free~0 Supporting invariants [1*~q_free~0 >= 0] [2020-11-29 19:51:49,957 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2020-11-29 19:51:49,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:50,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:51:50,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:51:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:50,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 19:51:50,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:51:50,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:50,168 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 [2020-11-29 19:51:50,169 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 273 states and 328 transitions. cyclomatic complexity: 59 Second operand 6 states. [2020-11-29 19:51:50,359 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. [2020-11-29 19:51:50,360 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 [2020-11-29 19:51:50,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-29 19:51:50,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 340 transitions. [2020-11-29 19:51:50,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 340 transitions. Stem has 16 letters. Loop has 15 letters. [2020-11-29 19:51:50,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:51:50,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 340 transitions. Stem has 31 letters. Loop has 15 letters. [2020-11-29 19:51:50,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:51:50,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 340 transitions. Stem has 16 letters. Loop has 30 letters. [2020-11-29 19:51:50,369 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:51:50,370 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1301 states and 1581 transitions. [2020-11-29 19:51:50,383 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 675 [2020-11-29 19:51:50,393 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1301 states to 1061 states and 1288 transitions. [2020-11-29 19:51:50,393 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 772 [2020-11-29 19:51:50,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 777 [2020-11-29 19:51:50,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1061 states and 1288 transitions. [2020-11-29 19:51:50,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 19:51:50,394 INFO L691 BuchiCegarLoop]: Abstraction has 1061 states and 1288 transitions. [2020-11-29 19:51:50,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states and 1288 transitions. [2020-11-29 19:51:50,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 787. [2020-11-29 19:51:50,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2020-11-29 19:51:50,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 956 transitions. [2020-11-29 19:51:50,413 INFO L714 BuchiCegarLoop]: Abstraction has 787 states and 956 transitions. [2020-11-29 19:51:50,414 INFO L594 BuchiCegarLoop]: Abstraction has 787 states and 956 transitions. [2020-11-29 19:51:50,414 INFO L427 BuchiCegarLoop]: ======== Iteration 11============ [2020-11-29 19:51:50,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 787 states and 956 transitions. [2020-11-29 19:51:50,419 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 446 [2020-11-29 19:51:50,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:51:50,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:51:50,420 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:50,420 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:50,426 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 [2020-11-29 19:51:50,426 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 [2020-11-29 19:51:50,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:50,427 INFO L82 PathProgramCache]: Analyzing trace with hash 560336285, now seen corresponding path program 1 times [2020-11-29 19:51:50,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:50,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151237034] [2020-11-29 19:51:50,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:50,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:50,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151237034] [2020-11-29 19:51:50,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:51:50,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:51:50,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716844123] [2020-11-29 19:51:50,464 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 19:51:50,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:50,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1691430829, now seen corresponding path program 1 times [2020-11-29 19:51:50,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:50,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420641917] [2020-11-29 19:51:50,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:50,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:50,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420641917] [2020-11-29 19:51:50,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:51:50,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-29 19:51:50,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074931170] [2020-11-29 19:51:50,485 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 19:51:50,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:51:50,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:51:50,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:51:50,485 INFO L87 Difference]: Start difference. First operand 787 states and 956 transitions. cyclomatic complexity: 183 Second operand 3 states. [2020-11-29 19:51:50,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:51:50,508 INFO L93 Difference]: Finished difference Result 400 states and 477 transitions. [2020-11-29 19:51:50,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:51:50,509 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 400 states and 477 transitions. [2020-11-29 19:51:50,513 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 264 [2020-11-29 19:51:50,516 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 400 states to 343 states and 410 transitions. [2020-11-29 19:51:50,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 340 [2020-11-29 19:51:50,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 343 [2020-11-29 19:51:50,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 343 states and 410 transitions. [2020-11-29 19:51:50,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 19:51:50,518 INFO L691 BuchiCegarLoop]: Abstraction has 343 states and 410 transitions. [2020-11-29 19:51:50,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states and 410 transitions. [2020-11-29 19:51:50,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 279. [2020-11-29 19:51:50,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2020-11-29 19:51:50,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 337 transitions. [2020-11-29 19:51:50,525 INFO L714 BuchiCegarLoop]: Abstraction has 279 states and 337 transitions. [2020-11-29 19:51:50,525 INFO L594 BuchiCegarLoop]: Abstraction has 279 states and 337 transitions. [2020-11-29 19:51:50,525 INFO L427 BuchiCegarLoop]: ======== Iteration 12============ [2020-11-29 19:51:50,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 279 states and 337 transitions. [2020-11-29 19:51:50,527 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 237 [2020-11-29 19:51:50,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:51:50,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:51:50,528 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:50,528 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:50,528 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 [2020-11-29 19:51:50,529 INFO L796 eck$LassoCheckResult]: Loop: 5546#L249 assume !(0 == ~c_dr_st~0); 5538#L264 assume !false; 5539#L240 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 5542#L216 assume !(0 == ~p_dw_st~0); 5543#L220 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2 := 1; 5572#L228 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 5573#L229 eval_#t~ret10 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret10;havoc eval_#t~ret10; 5574#L244 assume 0 != eval_~tmp___1~0; 5581#L244-1 assume !(0 == ~p_dw_st~0); 5546#L249 [2020-11-29 19:51:50,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:50,529 INFO L82 PathProgramCache]: Analyzing trace with hash 190554158, now seen corresponding path program 1 times [2020-11-29 19:51:50,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:50,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046081188] [2020-11-29 19:51:50,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:50,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:50,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046081188] [2020-11-29 19:51:50,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:51:50,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 19:51:50,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499304396] [2020-11-29 19:51:50,581 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 19:51:50,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:50,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1940933996, now seen corresponding path program 1 times [2020-11-29 19:51:50,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:50,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243243457] [2020-11-29 19:51:50,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:50,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:50,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243243457] [2020-11-29 19:51:50,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:51:50,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:51:50,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718409350] [2020-11-29 19:51:50,591 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 19:51:50,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:51:50,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:51:50,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:51:50,592 INFO L87 Difference]: Start difference. First operand 279 states and 337 transitions. cyclomatic complexity: 60 Second operand 3 states. [2020-11-29 19:51:50,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:51:50,618 INFO L93 Difference]: Finished difference Result 374 states and 437 transitions. [2020-11-29 19:51:50,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:51:50,619 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 374 states and 437 transitions. [2020-11-29 19:51:50,622 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 318 [2020-11-29 19:51:50,625 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 374 states to 374 states and 437 transitions. [2020-11-29 19:51:50,625 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 374 [2020-11-29 19:51:50,626 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 374 [2020-11-29 19:51:50,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 374 states and 437 transitions. [2020-11-29 19:51:50,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 19:51:50,626 INFO L691 BuchiCegarLoop]: Abstraction has 374 states and 437 transitions. [2020-11-29 19:51:50,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states and 437 transitions. [2020-11-29 19:51:50,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 215. [2020-11-29 19:51:50,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-11-29 19:51:50,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 254 transitions. [2020-11-29 19:51:50,633 INFO L714 BuchiCegarLoop]: Abstraction has 215 states and 254 transitions. [2020-11-29 19:51:50,633 INFO L594 BuchiCegarLoop]: Abstraction has 215 states and 254 transitions. [2020-11-29 19:51:50,633 INFO L427 BuchiCegarLoop]: ======== Iteration 13============ [2020-11-29 19:51:50,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 254 transitions. [2020-11-29 19:51:50,635 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 166 [2020-11-29 19:51:50,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:51:50,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:51:50,635 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:50,635 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:50,636 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 [2020-11-29 19:51:50,636 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 [2020-11-29 19:51:50,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:50,636 INFO L82 PathProgramCache]: Analyzing trace with hash 190554158, now seen corresponding path program 2 times [2020-11-29 19:51:50,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:50,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887385942] [2020-11-29 19:51:50,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:50,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:50,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887385942] [2020-11-29 19:51:50,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:51:50,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 19:51:50,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743319425] [2020-11-29 19:51:50,695 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 19:51:50,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:50,695 INFO L82 PathProgramCache]: Analyzing trace with hash 896628821, now seen corresponding path program 1 times [2020-11-29 19:51:50,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:50,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262456615] [2020-11-29 19:51:50,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:50,698 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:50,700 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:50,706 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:51:50,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:51:50,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 19:51:50,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:51:50,758 INFO L87 Difference]: Start difference. First operand 215 states and 254 transitions. cyclomatic complexity: 42 Second operand 7 states. [2020-11-29 19:51:50,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:51:50,880 INFO L93 Difference]: Finished difference Result 216 states and 248 transitions. [2020-11-29 19:51:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:51:50,881 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 216 states and 248 transitions. [2020-11-29 19:51:50,883 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 132 [2020-11-29 19:51:50,885 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 216 states to 215 states and 247 transitions. [2020-11-29 19:51:50,885 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 215 [2020-11-29 19:51:50,885 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 215 [2020-11-29 19:51:50,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 215 states and 247 transitions. [2020-11-29 19:51:50,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:51:50,886 INFO L691 BuchiCegarLoop]: Abstraction has 215 states and 247 transitions. [2020-11-29 19:51:50,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states and 247 transitions. [2020-11-29 19:51:50,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 176. [2020-11-29 19:51:50,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-11-29 19:51:50,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 206 transitions. [2020-11-29 19:51:50,890 INFO L714 BuchiCegarLoop]: Abstraction has 176 states and 206 transitions. [2020-11-29 19:51:50,890 INFO L594 BuchiCegarLoop]: Abstraction has 176 states and 206 transitions. [2020-11-29 19:51:50,891 INFO L427 BuchiCegarLoop]: ======== Iteration 14============ [2020-11-29 19:51:50,891 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 176 states and 206 transitions. [2020-11-29 19:51:50,892 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 103 [2020-11-29 19:51:50,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:51:50,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:51:50,893 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] [2020-11-29 19:51:50,894 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:50,894 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 [2020-11-29 19:51:50,894 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 [2020-11-29 19:51:50,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:50,894 INFO L82 PathProgramCache]: Analyzing trace with hash -2034026126, now seen corresponding path program 1 times [2020-11-29 19:51:50,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:50,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118071706] [2020-11-29 19:51:50,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:51:50,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:51:50,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118071706] [2020-11-29 19:51:50,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:51:50,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:51:50,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182150638] [2020-11-29 19:51:50,939 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 19:51:50,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:50,939 INFO L82 PathProgramCache]: Analyzing trace with hash 896628821, now seen corresponding path program 2 times [2020-11-29 19:51:50,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:50,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859380608] [2020-11-29 19:51:50,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:50,943 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:50,945 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:50,948 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:51:51,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:51:51,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:51:51,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:51:51,008 INFO L87 Difference]: Start difference. First operand 176 states and 206 transitions. cyclomatic complexity: 33 Second operand 3 states. [2020-11-29 19:51:51,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:51:51,031 INFO L93 Difference]: Finished difference Result 169 states and 194 transitions. [2020-11-29 19:51:51,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:51:51,032 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 194 transitions. [2020-11-29 19:51:51,033 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 103 [2020-11-29 19:51:51,035 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 169 states and 194 transitions. [2020-11-29 19:51:51,035 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2020-11-29 19:51:51,035 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2020-11-29 19:51:51,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 194 transitions. [2020-11-29 19:51:51,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:51:51,035 INFO L691 BuchiCegarLoop]: Abstraction has 169 states and 194 transitions. [2020-11-29 19:51:51,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 194 transitions. [2020-11-29 19:51:51,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2020-11-29 19:51:51,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-11-29 19:51:51,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 194 transitions. [2020-11-29 19:51:51,039 INFO L714 BuchiCegarLoop]: Abstraction has 169 states and 194 transitions. [2020-11-29 19:51:51,039 INFO L594 BuchiCegarLoop]: Abstraction has 169 states and 194 transitions. [2020-11-29 19:51:51,039 INFO L427 BuchiCegarLoop]: ======== Iteration 15============ [2020-11-29 19:51:51,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states and 194 transitions. [2020-11-29 19:51:51,040 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 103 [2020-11-29 19:51:51,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:51:51,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:51:51,043 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] [2020-11-29 19:51:51,043 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:51:51,043 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 [2020-11-29 19:51:51,043 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 [2020-11-29 19:51:51,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:51,044 INFO L82 PathProgramCache]: Analyzing trace with hash 825120445, now seen corresponding path program 1 times [2020-11-29 19:51:51,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:51,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771120183] [2020-11-29 19:51:51,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:51,054 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:51,060 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:51,071 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:51:51,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:51,072 INFO L82 PathProgramCache]: Analyzing trace with hash 896628821, now seen corresponding path program 3 times [2020-11-29 19:51:51,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:51,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79963416] [2020-11-29 19:51:51,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:51,080 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:51,082 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:51,084 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:51:51,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:51:51,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1897894929, now seen corresponding path program 1 times [2020-11-29 19:51:51,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:51:51,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277984095] [2020-11-29 19:51:51,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:51:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:51,093 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:51:51,101 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:51:51,115 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:51:51,970 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 150 [2020-11-29 19:51:52,120 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-11-29 19:51:52,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 07:51:52 BoogieIcfgContainer [2020-11-29 19:51:52,149 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 19:51:52,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:51:52,150 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:51:52,150 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:51:52,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:51:36" (3/4) ... [2020-11-29 19:51:52,153 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 19:51:52,196 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_abbdf661-edfb-42bd-b7f8-f1a71ede3782/bin/uautomizer/witness.graphml [2020-11-29 19:51:52,197 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:51:52,198 INFO L168 Benchmark]: Toolchain (without parser) took 16819.99 ms. Allocated memory was 88.1 MB in the beginning and 167.8 MB in the end (delta: 79.7 MB). Free memory was 55.4 MB in the beginning and 43.2 MB in the end (delta: 12.2 MB). Peak memory consumption was 90.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:51:52,198 INFO L168 Benchmark]: CDTParser took 0.88 ms. Allocated memory is still 88.1 MB. Free memory was 63.3 MB in the beginning and 63.3 MB in the end (delta: 24.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:51:52,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.42 ms. Allocated memory is still 88.1 MB. Free memory was 55.1 MB in the beginning and 64.8 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:51:52,199 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.93 ms. Allocated memory is still 88.1 MB. Free memory was 64.4 MB in the beginning and 62.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:51:52,199 INFO L168 Benchmark]: Boogie Preprocessor took 41.39 ms. Allocated memory is still 88.1 MB. Free memory was 62.7 MB in the beginning and 61.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:51:52,200 INFO L168 Benchmark]: RCFGBuilder took 635.59 ms. Allocated memory is still 88.1 MB. Free memory was 61.0 MB in the beginning and 35.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:51:52,206 INFO L168 Benchmark]: BuchiAutomizer took 15692.58 ms. Allocated memory was 88.1 MB in the beginning and 167.8 MB in the end (delta: 79.7 MB). Free memory was 35.4 MB in the beginning and 46.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:51:52,207 INFO L168 Benchmark]: Witness Printer took 46.95 ms. Allocated memory is still 167.8 MB. Free memory was 45.3 MB in the beginning and 43.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:51:52,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88 ms. Allocated memory is still 88.1 MB. Free memory was 63.3 MB in the beginning and 63.3 MB in the end (delta: 24.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 347.42 ms. Allocated memory is still 88.1 MB. Free memory was 55.1 MB in the beginning and 64.8 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.93 ms. Allocated memory is still 88.1 MB. Free memory was 64.4 MB in the beginning and 62.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.39 ms. Allocated memory is still 88.1 MB. Free memory was 62.7 MB in the beginning and 61.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 635.59 ms. Allocated memory is still 88.1 MB. Free memory was 61.0 MB in the beginning and 35.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 15692.58 ms. Allocated memory was 88.1 MB in the beginning and 167.8 MB in the end (delta: 79.7 MB). Free memory was 35.4 MB in the beginning and 46.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 16.1 GB. * Witness Printer took 46.95 ms. Allocated memory is still 167.8 MB. Free memory was 45.3 MB in the beginning and 43.2 MB in the end (delta: 2.1 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 15.5s and 15 iterations. TraceHistogramMax:2. Analysis of lassos took 13.7s. 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: 106ms 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=16016} State at position 1 is {p_last_write=10, c_dr_i=1, c_dr_pc=0, NULL=16019, a_t=0, NULL=0, \result=0, NULL=16016, \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@776e7e96=0, __retres1=1, NULL=16018, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16dc82e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d9eeed0=0, p_dw_pc=1, NULL=0, NULL=0, NULL=0, tmp=0, q_free=0, NULL=16017, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3cc47085=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ffb9ac7=0, __retres1=0, p_dw_st=2, \result=0, tmp___0=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b1c0fee=0, c_last_read=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@600289cd=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...