./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 64bit --witnessprinter.graph.data.programhash e6c4332f1874752b59e29803328ba77ee4005585 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:45:27,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:45:27,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:45:27,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:45:27,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:45:27,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:45:27,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:45:27,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:45:27,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:45:27,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:45:27,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:45:27,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:45:27,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:45:27,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:45:27,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:45:27,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:45:27,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:45:27,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:45:27,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:45:27,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:45:27,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:45:27,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:45:27,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:45:27,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:45:27,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:45:27,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:45:27,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:45:27,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:45:27,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:45:27,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:45:27,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:45:27,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:45:27,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:45:27,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:45:27,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:45:27,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:45:27,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:45:27,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:45:27,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:45:27,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:45:27,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:45:27,335 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-12-01 15:45:27,365 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:45:27,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:45:27,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:45:27,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:45:27,367 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:45:27,368 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 15:45:27,368 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 15:45:27,368 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 15:45:27,369 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 15:45:27,369 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 15:45:27,369 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 15:45:27,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:45:27,370 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:45:27,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:45:27,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:45:27,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 15:45:27,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 15:45:27,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 15:45:27,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:45:27,372 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 15:45:27,372 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:45:27,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 15:45:27,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:45:27,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:45:27,373 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 15:45:27,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:45:27,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:45:27,374 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:45:27,374 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 15:45:27,375 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 15:45:27,376 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_285c2961-e2d6-4caa-8215-5318697b4d0c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6c4332f1874752b59e29803328ba77ee4005585 [2020-12-01 15:45:27,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:45:27,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:45:27,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:45:27,696 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:45:27,697 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:45:27,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i [2020-12-01 15:45:27,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/data/dd0812cf0/f18eb2adf04f48b697fad3b4fc9a99ed/FLAGbfbdc807a [2020-12-01 15:45:28,408 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:45:28,409 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i [2020-12-01 15:45:28,429 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/data/dd0812cf0/f18eb2adf04f48b697fad3b4fc9a99ed/FLAGbfbdc807a [2020-12-01 15:45:28,678 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/data/dd0812cf0/f18eb2adf04f48b697fad3b4fc9a99ed [2020-12-01 15:45:28,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:45:28,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:45:28,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:45:28,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:45:28,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:45:28,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:45:28" (1/1) ... [2020-12-01 15:45:28,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@391a179e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:28, skipping insertion in model container [2020-12-01 15:45:28,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:45:28" (1/1) ... [2020-12-01 15:45:28,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:45:28,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:45:29,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:45:29,098 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:45:29,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:45:29,225 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:45:29,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:29 WrapperNode [2020-12-01 15:45:29,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:45:29,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:45:29,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:45:29,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:45:29,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:29" (1/1) ... [2020-12-01 15:45:29,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:29" (1/1) ... [2020-12-01 15:45:29,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:45:29,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:45:29,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:45:29,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:45:29,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:29" (1/1) ... [2020-12-01 15:45:29,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:29" (1/1) ... [2020-12-01 15:45:29,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:29" (1/1) ... [2020-12-01 15:45:29,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:29" (1/1) ... [2020-12-01 15:45:29,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:29" (1/1) ... [2020-12-01 15:45:29,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:29" (1/1) ... [2020-12-01 15:45:29,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:29" (1/1) ... [2020-12-01 15:45:29,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:45:29,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:45:29,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:45:29,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:45:29,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 15:45:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 15:45:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:45:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:45:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:45:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:45:29,846 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:45:29,846 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 15:45:29,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:45:29 BoogieIcfgContainer [2020-12-01 15:45:29,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:45:29,849 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 15:45:29,850 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 15:45:29,853 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 15:45:29,854 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:45:29,855 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 03:45:28" (1/3) ... [2020-12-01 15:45:29,856 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@610b3092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:45:29, skipping insertion in model container [2020-12-01 15:45:29,856 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:45:29,857 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:29" (2/3) ... [2020-12-01 15:45:29,857 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@610b3092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:45:29, skipping insertion in model container [2020-12-01 15:45:29,857 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:45:29,858 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:45:29" (3/3) ... [2020-12-01 15:45:29,859 INFO L389 chiAutomizerObserver]: Analyzing ICFG a.06-alloca.i [2020-12-01 15:45:29,938 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 15:45:29,938 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 15:45:29,938 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 15:45:29,938 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:45:29,939 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:45:29,939 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 15:45:29,939 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:45:29,939 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 15:45:29,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2020-12-01 15:45:29,979 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2020-12-01 15:45:29,979 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:45:29,979 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:45:29,987 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-12-01 15:45:29,987 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:45:29,988 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 15:45:29,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2020-12-01 15:45:29,990 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2020-12-01 15:45:29,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:45:29,991 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:45:29,992 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-12-01 15:45:29,992 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:45:29,998 INFO L794 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet26, main_#t~nondet27, main_#t~nondet28;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem23, test_fun_#t~mem24, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~short13, test_fun_#t~short14, test_fun_#t~mem17, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~short18, test_fun_#t~mem19, test_fun_#t~short20, test_fun_#t~mem21, test_fun_#t~short22, test_fun_#t~mem25, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 4#L557-20true [2020-12-01 15:45:29,999 INFO L796 eck$LassoCheckResult]: Loop: 4#L557-20true call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 7#L557-1true assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647 - test_fun_#t~mem7; 10#L557-3true test_fun_#t~short14 := test_fun_#t~short9; 13#L557-4true assume test_fun_#t~short14; 3#L557-9true test_fun_#t~short18 := test_fun_#t~short14; 5#L557-10true assume !test_fun_#t~short18; 8#L557-12true test_fun_#t~short20 := test_fun_#t~short18; 9#L557-13true assume test_fun_#t~short20;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short20 := test_fun_#t~mem19 < 2147483647; 14#L557-15true test_fun_#t~short22 := test_fun_#t~short20; 16#L557-16true assume test_fun_#t~short22;call test_fun_#t~mem21 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short22 := test_fun_#t~mem21 < 2147483647; 20#L557-18true assume !!test_fun_#t~short22;havoc test_fun_#t~mem10;havoc test_fun_#t~short14;havoc test_fun_#t~mem19;havoc test_fun_#t~mem11;havoc test_fun_#t~short22;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem15;havoc test_fun_#t~mem16;havoc test_fun_#t~mem21;havoc test_fun_#t~mem8;havoc test_fun_#t~mem12;havoc test_fun_#t~short13;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem17;havoc test_fun_#t~short20;call test_fun_#t~mem23 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem23, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem23;call test_fun_#t~mem24 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem24, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem24; 4#L557-20true [2020-12-01 15:45:30,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:30,006 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-12-01 15:45:30,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:30,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668871565] [2020-12-01 15:45:30,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:30,189 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:30,243 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:30,272 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:45:30,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:30,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1442805661, now seen corresponding path program 1 times [2020-12-01 15:45:30,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:30,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414453404] [2020-12-01 15:45:30,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:45:30,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:45:30,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414453404] [2020-12-01 15:45:30,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:45:30,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:45:30,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994361271] [2020-12-01 15:45:30,406 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-12-01 15:45:30,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:45:30,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:45:30,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:45:30,432 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 4 states. [2020-12-01 15:45:30,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:45:30,529 INFO L93 Difference]: Finished difference Result 27 states and 36 transitions. [2020-12-01 15:45:30,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:45:30,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2020-12-01 15:45:30,534 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2020-12-01 15:45:30,539 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 22 states and 30 transitions. [2020-12-01 15:45:30,540 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2020-12-01 15:45:30,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2020-12-01 15:45:30,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2020-12-01 15:45:30,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 15:45:30,542 INFO L692 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2020-12-01 15:45:30,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2020-12-01 15:45:30,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2020-12-01 15:45:30,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-12-01 15:45:30,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2020-12-01 15:45:30,574 INFO L715 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-12-01 15:45:30,574 INFO L595 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-12-01 15:45:30,574 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-12-01 15:45:30,574 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2020-12-01 15:45:30,575 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2020-12-01 15:45:30,576 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:45:30,576 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:45:30,576 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-12-01 15:45:30,577 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:45:30,577 INFO L794 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 68#L-1 havoc main_#res;havoc main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet26, main_#t~nondet27, main_#t~nondet28;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem23, test_fun_#t~mem24, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~short13, test_fun_#t~short14, test_fun_#t~mem17, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~short18, test_fun_#t~mem19, test_fun_#t~short20, test_fun_#t~mem21, test_fun_#t~short22, test_fun_#t~mem25, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 61#L557-20 [2020-12-01 15:45:30,577 INFO L796 eck$LassoCheckResult]: Loop: 61#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 62#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647 - test_fun_#t~mem7; 64#L557-3 test_fun_#t~short14 := test_fun_#t~short9; 67#L557-4 assume test_fun_#t~short14; 59#L557-9 test_fun_#t~short18 := test_fun_#t~short14; 60#L557-10 assume test_fun_#t~short18;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem16 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short18 := test_fun_#t~mem17 > test_fun_#t~mem15 + test_fun_#t~mem16; 63#L557-12 test_fun_#t~short20 := test_fun_#t~short18; 65#L557-13 assume test_fun_#t~short20;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short20 := test_fun_#t~mem19 < 2147483647; 66#L557-15 test_fun_#t~short22 := test_fun_#t~short20; 70#L557-16 assume test_fun_#t~short22;call test_fun_#t~mem21 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short22 := test_fun_#t~mem21 < 2147483647; 72#L557-18 assume !!test_fun_#t~short22;havoc test_fun_#t~mem10;havoc test_fun_#t~short14;havoc test_fun_#t~mem19;havoc test_fun_#t~mem11;havoc test_fun_#t~short22;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem15;havoc test_fun_#t~mem16;havoc test_fun_#t~mem21;havoc test_fun_#t~mem8;havoc test_fun_#t~mem12;havoc test_fun_#t~short13;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem17;havoc test_fun_#t~short20;call test_fun_#t~mem23 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem23, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem23;call test_fun_#t~mem24 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem24, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem24; 61#L557-20 [2020-12-01 15:45:30,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:30,579 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2020-12-01 15:45:30,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:30,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256140456] [2020-12-01 15:45:30,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:30,621 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:30,687 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:30,695 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:45:30,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:30,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1500063963, now seen corresponding path program 1 times [2020-12-01 15:45:30,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:30,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96333330] [2020-12-01 15:45:30,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:30,724 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:30,744 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:30,752 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:45:30,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:30,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1876539869, now seen corresponding path program 1 times [2020-12-01 15:45:30,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:30,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881035367] [2020-12-01 15:45:30,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:30,851 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:30,906 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:30,920 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:45:31,533 WARN L197 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2020-12-01 15:45:31,706 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-12-01 15:45:32,464 WARN L197 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 103 [2020-12-01 15:45:32,759 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-12-01 15:45:32,776 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:45:32,777 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:45:32,777 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:45:32,777 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:45:32,778 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 15:45:32,785 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:32,785 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:45:32,786 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:45:32,786 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.06-alloca.i_Iteration2_Lasso [2020-12-01 15:45:32,786 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:45:32,788 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:45:32,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:32,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:33,736 WARN L197 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 91 [2020-12-01 15:45:33,936 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2020-12-01 15:45:33,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:34,761 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:45:34,767 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:34,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:34,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:34,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:34,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:34,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:34,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:34,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:34,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:34,809 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) [2020-12-01 15:45:34,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:34,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:34,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:34,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:34,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:34,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:34,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:34,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:34,881 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:34,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:34,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:34,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:34,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:34,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:34,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:34,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:34,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:34,949 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:34,975 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 [2020-12-01 15:45:34,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:34,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:34,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:34,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:34,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:34,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:34,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:34,982 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:35,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:35,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:35,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:35,013 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:35,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:35,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:35,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:35,049 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:35,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:35,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:35,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:35,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:35,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:35,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:35,116 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) [2020-12-01 15:45:35,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:35,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:35,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:35,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:35,149 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:35,173 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 [2020-12-01 15:45:35,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:35,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:35,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:35,180 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:35,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:35,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:35,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:35,233 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:35,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:35,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:35,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:35,286 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:35,314 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 [2020-12-01 15:45:35,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:35,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:35,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:35,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:35,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:35,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:35,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:35,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:35,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:35,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:35,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:35,383 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:35,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:35,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:35,433 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:35,456 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 [2020-12-01 15:45:35,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:35,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:35,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:35,460 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:35,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:35,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:35,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:35,519 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:35,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:35,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:35,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:35,574 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:35,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:35,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:35,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:35,609 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:35,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:35,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:35,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:35,637 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:35,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:35,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,663 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:35,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:35,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:35,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:35,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:35,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:35,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:35,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:35,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:35,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:35,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:35,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:35,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:35,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) [2020-12-01 15:45:35,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:35,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,778 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:35,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:35,805 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:35,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:35,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:35,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:35,837 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:35,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:35,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:35,868 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) [2020-12-01 15:45:35,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:35,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:35,905 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:35,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:35,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:35,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:35,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:35,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:35,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:35,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:35,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:36,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:36,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:36,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:36,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:36,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:36,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:36,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:36,037 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) [2020-12-01 15:45:36,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:36,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:36,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:36,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:36,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:36,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:36,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:36,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:36,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:36,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:36,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:36,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:36,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:36,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:36,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:36,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:36,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:36,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:36,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:36,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:36,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:36,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:36,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:36,174 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) [2020-12-01 15:45:36,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:36,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:36,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:36,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:36,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:36,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:36,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:36,221 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:36,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:36,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:36,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:36,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:36,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:36,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:36,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:36,301 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 15:45:36,409 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2020-12-01 15:45:36,409 INFO L444 ModelExtractionUtils]: 15 out of 40 variables were initially zero. Simplification set additionally 20 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:36,489 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-12-01 15:45:36,520 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-12-01 15:45:36,520 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 15:45:36,521 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~x, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1) = 4294967293*ULTIMATE.start_test_fun_~x - 4294967294*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1 Supporting invariants [1*ULTIMATE.start_test_fun_~x - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 >= 0] [2020-12-01 15:45:36,913 INFO L297 tatePredicateManager]: 39 out of 42 supporting invariants were superfluous and have been removed [2020-12-01 15:45:36,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 15:45:36,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:45:37,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-01 15:45:37,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:45:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:45:37,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-01 15:45:37,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:45:37,110 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:45:37,183 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:45:37,193 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:45:37,256 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:45:37,379 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:45:37,389 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:45:37,397 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:45:37,465 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:45:37,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:45:37,589 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 8 loop predicates [2020-12-01 15:45:37,590 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 7 Second operand 9 states. [2020-12-01 15:45:38,249 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 7. Second operand 9 states. Result 89 states and 121 transitions. Complement of second has 17 states. [2020-12-01 15:45:38,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2020-12-01 15:45:38,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-12-01 15:45:38,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 47 transitions. [2020-12-01 15:45:38,256 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 47 transitions. Stem has 2 letters. Loop has 11 letters. [2020-12-01 15:45:38,257 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:45:38,257 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 47 transitions. Stem has 13 letters. Loop has 11 letters. [2020-12-01 15:45:38,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:45:38,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 47 transitions. Stem has 2 letters. Loop has 22 letters. [2020-12-01 15:45:38,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:45:38,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 89 states and 121 transitions. [2020-12-01 15:45:38,264 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2020-12-01 15:45:38,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 89 states to 61 states and 82 transitions. [2020-12-01 15:45:38,267 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 49 [2020-12-01 15:45:38,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2020-12-01 15:45:38,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 82 transitions. [2020-12-01 15:45:38,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 15:45:38,271 INFO L692 BuchiCegarLoop]: Abstraction has 61 states and 82 transitions. [2020-12-01 15:45:38,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 82 transitions. [2020-12-01 15:45:38,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 36. [2020-12-01 15:45:38,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-12-01 15:45:38,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 47 transitions. [2020-12-01 15:45:38,288 INFO L715 BuchiCegarLoop]: Abstraction has 36 states and 47 transitions. [2020-12-01 15:45:38,289 INFO L595 BuchiCegarLoop]: Abstraction has 36 states and 47 transitions. [2020-12-01 15:45:38,289 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-12-01 15:45:38,289 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 47 transitions. [2020-12-01 15:45:38,293 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2020-12-01 15:45:38,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:45:38,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:45:38,294 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-12-01 15:45:38,294 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:45:38,294 INFO L794 eck$LassoCheckResult]: Stem: 451#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 445#L-1 havoc main_#res;havoc main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet26, main_#t~nondet27, main_#t~nondet28;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem23, test_fun_#t~mem24, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~short13, test_fun_#t~short14, test_fun_#t~mem17, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~short18, test_fun_#t~mem19, test_fun_#t~short20, test_fun_#t~mem21, test_fun_#t~short22, test_fun_#t~mem25, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 446#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 432#L557-1 assume !test_fun_#t~short9; 436#L557-3 [2020-12-01 15:45:38,294 INFO L796 eck$LassoCheckResult]: Loop: 436#L557-3 test_fun_#t~short14 := test_fun_#t~short9; 443#L557-4 assume test_fun_#t~short14; 447#L557-9 test_fun_#t~short18 := test_fun_#t~short14; 433#L557-10 assume test_fun_#t~short18;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem16 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short18 := test_fun_#t~mem17 > test_fun_#t~mem15 + test_fun_#t~mem16; 434#L557-12 test_fun_#t~short20 := test_fun_#t~short18; 455#L557-13 assume test_fun_#t~short20;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short20 := test_fun_#t~mem19 < 2147483647; 441#L557-15 test_fun_#t~short22 := test_fun_#t~short20; 449#L557-16 assume test_fun_#t~short22;call test_fun_#t~mem21 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short22 := test_fun_#t~mem21 < 2147483647; 452#L557-18 assume !!test_fun_#t~short22;havoc test_fun_#t~mem10;havoc test_fun_#t~short14;havoc test_fun_#t~mem19;havoc test_fun_#t~mem11;havoc test_fun_#t~short22;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem15;havoc test_fun_#t~mem16;havoc test_fun_#t~mem21;havoc test_fun_#t~mem8;havoc test_fun_#t~mem12;havoc test_fun_#t~short13;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem17;havoc test_fun_#t~short20;call test_fun_#t~mem23 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem23, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem23;call test_fun_#t~mem24 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem24, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem24; 428#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 429#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647 - test_fun_#t~mem7; 436#L557-3 [2020-12-01 15:45:38,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:38,296 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-12-01 15:45:38,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:38,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698324717] [2020-12-01 15:45:38,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:38,346 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:38,373 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:38,378 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:45:38,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:38,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1349788853, now seen corresponding path program 2 times [2020-12-01 15:45:38,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:38,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269316107] [2020-12-01 15:45:38,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:38,414 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:38,443 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:38,447 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:45:38,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:38,448 INFO L82 PathProgramCache]: Analyzing trace with hash 789615876, now seen corresponding path program 1 times [2020-12-01 15:45:38,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:38,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668678302] [2020-12-01 15:45:38,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:45:38,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:45:38,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668678302] [2020-12-01 15:45:38,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:45:38,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:45:38,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410032480] [2020-12-01 15:45:39,053 WARN L197 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 90 [2020-12-01 15:45:39,182 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-12-01 15:45:39,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:45:39,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:45:39,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:45:39,184 INFO L87 Difference]: Start difference. First operand 36 states and 47 transitions. cyclomatic complexity: 13 Second operand 4 states. [2020-12-01 15:45:39,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:45:39,230 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2020-12-01 15:45:39,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 15:45:39,231 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 62 transitions. [2020-12-01 15:45:39,233 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 26 [2020-12-01 15:45:39,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 62 transitions. [2020-12-01 15:45:39,234 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2020-12-01 15:45:39,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2020-12-01 15:45:39,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 62 transitions. [2020-12-01 15:45:39,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 15:45:39,235 INFO L692 BuchiCegarLoop]: Abstraction has 47 states and 62 transitions. [2020-12-01 15:45:39,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 62 transitions. [2020-12-01 15:45:39,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 38. [2020-12-01 15:45:39,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-12-01 15:45:39,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2020-12-01 15:45:39,239 INFO L715 BuchiCegarLoop]: Abstraction has 38 states and 49 transitions. [2020-12-01 15:45:39,239 INFO L595 BuchiCegarLoop]: Abstraction has 38 states and 49 transitions. [2020-12-01 15:45:39,239 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-12-01 15:45:39,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 49 transitions. [2020-12-01 15:45:39,240 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2020-12-01 15:45:39,240 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:45:39,240 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:45:39,240 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-12-01 15:45:39,241 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:45:39,241 INFO L794 eck$LassoCheckResult]: Stem: 546#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 540#L-1 havoc main_#res;havoc main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet26, main_#t~nondet27, main_#t~nondet28;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem23, test_fun_#t~mem24, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~short13, test_fun_#t~short14, test_fun_#t~mem17, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~short18, test_fun_#t~mem19, test_fun_#t~short20, test_fun_#t~mem21, test_fun_#t~short22, test_fun_#t~mem25, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 541#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 525#L557-1 assume !test_fun_#t~short9; 531#L557-3 [2020-12-01 15:45:39,241 INFO L796 eck$LassoCheckResult]: Loop: 531#L557-3 test_fun_#t~short14 := test_fun_#t~short9; 542#L557-4 assume !test_fun_#t~short14;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short13 := test_fun_#t~mem10 < 0; 543#L557-6 assume test_fun_#t~short13;call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short13 := test_fun_#t~mem12 > -2147483648 - test_fun_#t~mem11; 549#L557-8 test_fun_#t~short14 := test_fun_#t~short13; 518#L557-9 test_fun_#t~short18 := test_fun_#t~short14; 519#L557-10 assume !test_fun_#t~short18; 528#L557-12 test_fun_#t~short20 := test_fun_#t~short18; 550#L557-13 assume test_fun_#t~short20;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short20 := test_fun_#t~mem19 < 2147483647; 536#L557-15 test_fun_#t~short22 := test_fun_#t~short20; 544#L557-16 assume test_fun_#t~short22;call test_fun_#t~mem21 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short22 := test_fun_#t~mem21 < 2147483647; 547#L557-18 assume !!test_fun_#t~short22;havoc test_fun_#t~mem10;havoc test_fun_#t~short14;havoc test_fun_#t~mem19;havoc test_fun_#t~mem11;havoc test_fun_#t~short22;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem15;havoc test_fun_#t~mem16;havoc test_fun_#t~mem21;havoc test_fun_#t~mem8;havoc test_fun_#t~mem12;havoc test_fun_#t~short13;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem17;havoc test_fun_#t~short20;call test_fun_#t~mem23 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem23, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem23;call test_fun_#t~mem24 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem24, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem24; 522#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 523#L557-1 assume !test_fun_#t~short9; 531#L557-3 [2020-12-01 15:45:39,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:39,242 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 2 times [2020-12-01 15:45:39,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:39,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488047747] [2020-12-01 15:45:39,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:39,259 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:39,270 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:39,275 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:45:39,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:39,280 INFO L82 PathProgramCache]: Analyzing trace with hash 881756805, now seen corresponding path program 1 times [2020-12-01 15:45:39,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:39,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773591995] [2020-12-01 15:45:39,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:45:39,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:45:39,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773591995] [2020-12-01 15:45:39,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:45:39,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:45:39,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873053850] [2020-12-01 15:45:39,304 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-12-01 15:45:39,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:45:39,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:45:39,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:45:39,305 INFO L87 Difference]: Start difference. First operand 38 states and 49 transitions. cyclomatic complexity: 13 Second operand 4 states. [2020-12-01 15:45:39,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:45:39,352 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions. [2020-12-01 15:45:39,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 15:45:39,353 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 59 transitions. [2020-12-01 15:45:39,354 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2020-12-01 15:45:39,355 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 59 transitions. [2020-12-01 15:45:39,355 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2020-12-01 15:45:39,355 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2020-12-01 15:45:39,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 59 transitions. [2020-12-01 15:45:39,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 15:45:39,356 INFO L692 BuchiCegarLoop]: Abstraction has 46 states and 59 transitions. [2020-12-01 15:45:39,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 59 transitions. [2020-12-01 15:45:39,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 38. [2020-12-01 15:45:39,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-12-01 15:45:39,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2020-12-01 15:45:39,361 INFO L715 BuchiCegarLoop]: Abstraction has 38 states and 49 transitions. [2020-12-01 15:45:39,361 INFO L595 BuchiCegarLoop]: Abstraction has 38 states and 49 transitions. [2020-12-01 15:45:39,361 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-12-01 15:45:39,361 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 49 transitions. [2020-12-01 15:45:39,362 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 19 [2020-12-01 15:45:39,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:45:39,362 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:45:39,362 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-12-01 15:45:39,363 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:45:39,363 INFO L794 eck$LassoCheckResult]: Stem: 638#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 632#L-1 havoc main_#res;havoc main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet26, main_#t~nondet27, main_#t~nondet28;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem23, test_fun_#t~mem24, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~short13, test_fun_#t~short14, test_fun_#t~mem17, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~short18, test_fun_#t~mem19, test_fun_#t~short20, test_fun_#t~mem21, test_fun_#t~short22, test_fun_#t~mem25, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 633#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 618#L557-1 assume !test_fun_#t~short9; 624#L557-3 [2020-12-01 15:45:39,363 INFO L796 eck$LassoCheckResult]: Loop: 624#L557-3 test_fun_#t~short14 := test_fun_#t~short9; 634#L557-4 assume !test_fun_#t~short14;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short13 := test_fun_#t~mem10 < 0; 635#L557-6 assume test_fun_#t~short13;call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short13 := test_fun_#t~mem12 > -2147483648 - test_fun_#t~mem11; 641#L557-8 test_fun_#t~short14 := test_fun_#t~short13; 642#L557-9 test_fun_#t~short18 := test_fun_#t~short14; 645#L557-10 assume test_fun_#t~short18;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem16 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short18 := test_fun_#t~mem17 > test_fun_#t~mem15 + test_fun_#t~mem16; 644#L557-12 test_fun_#t~short20 := test_fun_#t~short18; 643#L557-13 assume test_fun_#t~short20;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short20 := test_fun_#t~mem19 < 2147483647; 628#L557-15 test_fun_#t~short22 := test_fun_#t~short20; 636#L557-16 assume test_fun_#t~short22;call test_fun_#t~mem21 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short22 := test_fun_#t~mem21 < 2147483647; 639#L557-18 assume !!test_fun_#t~short22;havoc test_fun_#t~mem10;havoc test_fun_#t~short14;havoc test_fun_#t~mem19;havoc test_fun_#t~mem11;havoc test_fun_#t~short22;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem15;havoc test_fun_#t~mem16;havoc test_fun_#t~mem21;havoc test_fun_#t~mem8;havoc test_fun_#t~mem12;havoc test_fun_#t~short13;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem17;havoc test_fun_#t~short20;call test_fun_#t~mem23 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem23, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem23;call test_fun_#t~mem24 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem24, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem24; 615#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 616#L557-1 assume !test_fun_#t~short9; 624#L557-3 [2020-12-01 15:45:39,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:39,364 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 3 times [2020-12-01 15:45:39,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:39,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014388752] [2020-12-01 15:45:39,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:39,380 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:39,392 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:39,396 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:45:39,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:39,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1691103431, now seen corresponding path program 1 times [2020-12-01 15:45:39,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:39,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543730092] [2020-12-01 15:45:39,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:39,409 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:39,419 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:39,423 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:45:39,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:39,424 INFO L82 PathProgramCache]: Analyzing trace with hash 369713216, now seen corresponding path program 1 times [2020-12-01 15:45:39,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:39,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802664487] [2020-12-01 15:45:39,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:39,449 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:39,469 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:39,477 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:45:40,009 WARN L197 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 91 [2020-12-01 15:45:40,949 WARN L197 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 111 [2020-12-01 15:45:41,282 WARN L197 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-12-01 15:45:41,287 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:45:41,288 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:45:41,288 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:45:41,288 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:45:41,288 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 15:45:41,288 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:41,288 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:45:41,288 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:45:41,288 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.06-alloca.i_Iteration5_Lasso [2020-12-01 15:45:41,288 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:45:41,288 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:45:41,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:41,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:41,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:41,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:41,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:41,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:41,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:41,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:41,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:41,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:41,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:41,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:41,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:41,949 WARN L197 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 90 [2020-12-01 15:45:42,136 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2020-12-01 15:45:42,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:42,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:42,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:42,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:42,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:42,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:42,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:42,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:42,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:42,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:42,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:42,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:42,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:42,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:42,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:42,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:42,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:42,845 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:45:42,845 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) [2020-12-01 15:45:42,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:42,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:42,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:42,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:42,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:42,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:42,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:42,885 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:42,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:42,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:42,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:42,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:42,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:42,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:42,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:42,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:42,925 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:42,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:42,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:42,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:42,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:42,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:42,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:42,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:42,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:42,952 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:42,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:42,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:42,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:42,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:42,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:42,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:42,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:42,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:42,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:43,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:43,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:43,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:43,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:43,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:43,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:43,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:43,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:43,024 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:43,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:43,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:43,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:43,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:43,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:43,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:43,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:43,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:43,054 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:43,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:43,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:43,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:43,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:43,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:43,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:43,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:43,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:43,109 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:43,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:43,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:43,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:43,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:43,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:43,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:43,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:43,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:43,134 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:43,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:43,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:43,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:43,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:43,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:43,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:43,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:43,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:43,167 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:43,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:43,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:43,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:43,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:43,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:43,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:43,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:43,200 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:43,224 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 [2020-12-01 15:45:43,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:43,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:43,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:43,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:43,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:43,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:43,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:43,242 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) [2020-12-01 15:45:43,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:43,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:43,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:43,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:43,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:43,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:43,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:43,312 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:43,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:43,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:43,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:43,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:43,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:43,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:43,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:43,389 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) [2020-12-01 15:45:43,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:43,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:43,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:43,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:43,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:43,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:43,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:43,453 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:43,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:43,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:43,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:43,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:43,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:43,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:43,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:43,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) [2020-12-01 15:45:43,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:43,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:43,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:43,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:43,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:43,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:43,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:43,581 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) [2020-12-01 15:45:43,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:43,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:43,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:43,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:43,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:43,628 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:43,628 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:43,641 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) [2020-12-01 15:45:43,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:43,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:43,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:43,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:43,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:43,696 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:43,696 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:43,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) [2020-12-01 15:45:43,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:43,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:43,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:43,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:43,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:43,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:43,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:43,777 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:43,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:43,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:43,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:43,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:43,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:43,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:43,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:43,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) [2020-12-01 15:45:43,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:43,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:43,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:43,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:43,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:43,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:43,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:43,872 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:43,900 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 [2020-12-01 15:45:43,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:43,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:43,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:43,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:43,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:43,913 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:43,937 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 15:45:44,003 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2020-12-01 15:45:44,003 INFO L444 ModelExtractionUtils]: 15 out of 43 variables were initially zero. Simplification set additionally 26 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) [2020-12-01 15:45:44,013 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:44,061 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-12-01 15:45:44,061 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 15:45:44,061 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2 Supporting invariants [] [2020-12-01 15:45:44,290 INFO L297 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2020-12-01 15:45:44,291 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 15:45:44,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:45:44,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:45:44,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:45:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:45:44,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 15:45:44,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:45:44,365 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:45:44,517 INFO L348 Elim1Store]: treesize reduction 20, result has 75.9 percent of original size [2020-12-01 15:45:44,517 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 125 treesize of output 113 [2020-12-01 15:45:44,524 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 15:45:44,525 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-01 15:45:44,528 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 15:45:44,530 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-01 15:45:44,531 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 15:45:44,534 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 15:45:44,537 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 15:45:44,539 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-01 15:45:44,540 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 15:45:44,543 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 15:45:44,547 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-01 15:45:44,564 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_test_fun_~z_ref~0.offset Int) (|v_#memory_int_123| (Array Int (Array Int Int))) (ULTIMATE.start_test_fun_~z_ref~0.base Int)) (let ((.cse2 (select |v_#memory_int_123| c_ULTIMATE.start_test_fun_~y_ref~0.base))) (let ((.cse3 (select .cse2 c_ULTIMATE.start_test_fun_~y_ref~0.offset))) (and (= |c_#memory_int| (let ((.cse0 (store |v_#memory_int_123| c_ULTIMATE.start_test_fun_~y_ref~0.base (store .cse2 c_ULTIMATE.start_test_fun_~y_ref~0.offset (+ .cse3 1))))) (store .cse0 ULTIMATE.start_test_fun_~z_ref~0.base (let ((.cse1 (select .cse0 ULTIMATE.start_test_fun_~z_ref~0.base))) (store .cse1 ULTIMATE.start_test_fun_~z_ref~0.offset (+ (select .cse1 ULTIMATE.start_test_fun_~z_ref~0.offset) 1)))))) (< .cse3 0) (<= 0 (+ c_oldRank0 .cse3)))))) is different from true [2020-12-01 15:45:44,647 INFO L348 Elim1Store]: treesize reduction 20, result has 75.9 percent of original size [2020-12-01 15:45:44,647 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 125 treesize of output 113 [2020-12-01 15:45:44,660 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 15:45:44,662 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-01 15:45:44,665 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 15:45:44,667 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-01 15:45:44,670 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 15:45:44,675 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 15:45:44,679 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 15:45:44,682 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-01 15:45:44,683 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 15:45:44,684 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 15:45:44,687 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-01 15:45:44,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:45:44,695 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2020-12-01 15:45:44,695 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 49 transitions. cyclomatic complexity: 13 Second operand 6 states. [2020-12-01 15:45:44,794 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 49 transitions. cyclomatic complexity: 13. Second operand 6 states. Result 108 states and 143 transitions. Complement of second has 8 states. [2020-12-01 15:45:44,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-12-01 15:45:44,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-12-01 15:45:44,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 62 transitions. [2020-12-01 15:45:44,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 62 transitions. Stem has 4 letters. Loop has 13 letters. [2020-12-01 15:45:44,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:45:44,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 62 transitions. Stem has 17 letters. Loop has 13 letters. [2020-12-01 15:45:44,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:45:44,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 62 transitions. Stem has 4 letters. Loop has 26 letters. [2020-12-01 15:45:44,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:45:44,803 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 143 transitions. [2020-12-01 15:45:44,805 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2020-12-01 15:45:44,806 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 98 states and 130 transitions. [2020-12-01 15:45:44,806 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2020-12-01 15:45:44,807 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2020-12-01 15:45:44,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 130 transitions. [2020-12-01 15:45:44,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 15:45:44,807 INFO L692 BuchiCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-12-01 15:45:44,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 130 transitions. [2020-12-01 15:45:44,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 86. [2020-12-01 15:45:44,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-12-01 15:45:44,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 113 transitions. [2020-12-01 15:45:44,814 INFO L715 BuchiCegarLoop]: Abstraction has 86 states and 113 transitions. [2020-12-01 15:45:44,814 INFO L595 BuchiCegarLoop]: Abstraction has 86 states and 113 transitions. [2020-12-01 15:45:44,814 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-12-01 15:45:44,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 113 transitions. [2020-12-01 15:45:44,816 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 36 [2020-12-01 15:45:44,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:45:44,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:45:44,816 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-12-01 15:45:44,816 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:45:44,817 INFO L794 eck$LassoCheckResult]: Stem: 1019#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1011#L-1 havoc main_#res;havoc main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet26, main_#t~nondet27, main_#t~nondet28;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem23, test_fun_#t~mem24, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~short13, test_fun_#t~short14, test_fun_#t~mem17, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~short18, test_fun_#t~mem19, test_fun_#t~short20, test_fun_#t~mem21, test_fun_#t~short22, test_fun_#t~mem25, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 1012#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 991#L557-1 assume !test_fun_#t~short9; 1033#L557-3 test_fun_#t~short14 := test_fun_#t~short9; 1008#L557-4 [2020-12-01 15:45:44,817 INFO L796 eck$LassoCheckResult]: Loop: 1008#L557-4 assume !test_fun_#t~short14;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short13 := test_fun_#t~mem10 < 0; 1022#L557-6 assume !test_fun_#t~short13; 1023#L557-8 test_fun_#t~short14 := test_fun_#t~short13; 984#L557-9 test_fun_#t~short18 := test_fun_#t~short14; 985#L557-10 assume test_fun_#t~short18;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem16 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short18 := test_fun_#t~mem17 > test_fun_#t~mem15 + test_fun_#t~mem16; 994#L557-12 test_fun_#t~short20 := test_fun_#t~short18; 1061#L557-13 assume test_fun_#t~short20;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short20 := test_fun_#t~mem19 < 2147483647; 1005#L557-15 test_fun_#t~short22 := test_fun_#t~short20; 1017#L557-16 assume test_fun_#t~short22;call test_fun_#t~mem21 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short22 := test_fun_#t~mem21 < 2147483647; 1020#L557-18 assume !!test_fun_#t~short22;havoc test_fun_#t~mem10;havoc test_fun_#t~short14;havoc test_fun_#t~mem19;havoc test_fun_#t~mem11;havoc test_fun_#t~short22;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem15;havoc test_fun_#t~mem16;havoc test_fun_#t~mem21;havoc test_fun_#t~mem8;havoc test_fun_#t~mem12;havoc test_fun_#t~short13;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem17;havoc test_fun_#t~short20;call test_fun_#t~mem23 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem23, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem23;call test_fun_#t~mem24 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem24, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem24; 1027#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 996#L557-1 assume !test_fun_#t~short9; 998#L557-3 test_fun_#t~short14 := test_fun_#t~short9; 1008#L557-4 [2020-12-01 15:45:44,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:44,817 INFO L82 PathProgramCache]: Analyzing trace with hash 28695846, now seen corresponding path program 1 times [2020-12-01 15:45:44,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:44,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089557952] [2020-12-01 15:45:44,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:44,836 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:44,856 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:44,868 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:45:44,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:44,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1912507281, now seen corresponding path program 1 times [2020-12-01 15:45:44,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:44,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14692474] [2020-12-01 15:45:44,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:45:44,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:45:44,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14692474] [2020-12-01 15:45:44,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:45:44,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 15:45:44,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489710038] [2020-12-01 15:45:44,936 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-12-01 15:45:44,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:45:44,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:45:44,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:45:44,937 INFO L87 Difference]: Start difference. First operand 86 states and 113 transitions. cyclomatic complexity: 31 Second operand 5 states. [2020-12-01 15:45:45,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:45:45,001 INFO L93 Difference]: Finished difference Result 108 states and 138 transitions. [2020-12-01 15:45:45,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 15:45:45,002 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 138 transitions. [2020-12-01 15:45:45,004 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2020-12-01 15:45:45,006 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 108 states and 138 transitions. [2020-12-01 15:45:45,006 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 61 [2020-12-01 15:45:45,006 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 61 [2020-12-01 15:45:45,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 108 states and 138 transitions. [2020-12-01 15:45:45,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 15:45:45,007 INFO L692 BuchiCegarLoop]: Abstraction has 108 states and 138 transitions. [2020-12-01 15:45:45,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states and 138 transitions. [2020-12-01 15:45:45,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 89. [2020-12-01 15:45:45,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-12-01 15:45:45,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2020-12-01 15:45:45,015 INFO L715 BuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2020-12-01 15:45:45,015 INFO L595 BuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2020-12-01 15:45:45,016 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-12-01 15:45:45,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 114 transitions. [2020-12-01 15:45:45,017 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2020-12-01 15:45:45,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:45:45,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:45:45,018 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-12-01 15:45:45,018 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:45:45,018 INFO L794 eck$LassoCheckResult]: Stem: 1220#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1214#L-1 havoc main_#res;havoc main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet26, main_#t~nondet27, main_#t~nondet28;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem23, test_fun_#t~mem24, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~short13, test_fun_#t~short14, test_fun_#t~mem17, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~short18, test_fun_#t~mem19, test_fun_#t~short20, test_fun_#t~mem21, test_fun_#t~short22, test_fun_#t~mem25, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 1215#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 1232#L557-1 assume !test_fun_#t~short9; 1235#L557-3 test_fun_#t~short14 := test_fun_#t~short9; 1212#L557-4 [2020-12-01 15:45:45,018 INFO L796 eck$LassoCheckResult]: Loop: 1212#L557-4 assume !test_fun_#t~short14;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short13 := test_fun_#t~mem10 < 0; 1216#L557-6 assume !test_fun_#t~short13; 1223#L557-8 test_fun_#t~short14 := test_fun_#t~short13; 1270#L557-9 test_fun_#t~short18 := test_fun_#t~short14; 1268#L557-10 assume !test_fun_#t~short18; 1264#L557-12 test_fun_#t~short20 := test_fun_#t~short18; 1263#L557-13 assume !test_fun_#t~short20; 1259#L557-15 test_fun_#t~short22 := test_fun_#t~short20; 1256#L557-16 assume test_fun_#t~short22;call test_fun_#t~mem21 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short22 := test_fun_#t~mem21 < 2147483647; 1227#L557-18 assume !!test_fun_#t~short22;havoc test_fun_#t~mem10;havoc test_fun_#t~short14;havoc test_fun_#t~mem19;havoc test_fun_#t~mem11;havoc test_fun_#t~short22;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem15;havoc test_fun_#t~mem16;havoc test_fun_#t~mem21;havoc test_fun_#t~mem8;havoc test_fun_#t~mem12;havoc test_fun_#t~short13;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem17;havoc test_fun_#t~short20;call test_fun_#t~mem23 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem23, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem23;call test_fun_#t~mem24 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem24, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem24; 1228#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 1202#L557-1 assume !test_fun_#t~short9; 1204#L557-3 test_fun_#t~short14 := test_fun_#t~short9; 1212#L557-4 [2020-12-01 15:45:45,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:45,019 INFO L82 PathProgramCache]: Analyzing trace with hash 28695846, now seen corresponding path program 2 times [2020-12-01 15:45:45,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:45,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462284467] [2020-12-01 15:45:45,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:45,032 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:45,041 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:45,045 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:45:45,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:45,046 INFO L82 PathProgramCache]: Analyzing trace with hash 72605717, now seen corresponding path program 1 times [2020-12-01 15:45:45,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:45,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178195408] [2020-12-01 15:45:45,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:45:45,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:45:45,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178195408] [2020-12-01 15:45:45,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:45:45,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 15:45:45,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154500811] [2020-12-01 15:45:45,069 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-12-01 15:45:45,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:45:45,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:45:45,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:45:45,070 INFO L87 Difference]: Start difference. First operand 89 states and 114 transitions. cyclomatic complexity: 29 Second operand 5 states. [2020-12-01 15:45:45,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:45:45,125 INFO L93 Difference]: Finished difference Result 120 states and 132 transitions. [2020-12-01 15:45:45,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-01 15:45:45,126 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 120 states and 132 transitions. [2020-12-01 15:45:45,130 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 26 [2020-12-01 15:45:45,134 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 120 states to 67 states and 75 transitions. [2020-12-01 15:45:45,134 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2020-12-01 15:45:45,134 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2020-12-01 15:45:45,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 75 transitions. [2020-12-01 15:45:45,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 15:45:45,134 INFO L692 BuchiCegarLoop]: Abstraction has 67 states and 75 transitions. [2020-12-01 15:45:45,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 75 transitions. [2020-12-01 15:45:45,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2020-12-01 15:45:45,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-12-01 15:45:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 73 transitions. [2020-12-01 15:45:45,145 INFO L715 BuchiCegarLoop]: Abstraction has 65 states and 73 transitions. [2020-12-01 15:45:45,145 INFO L595 BuchiCegarLoop]: Abstraction has 65 states and 73 transitions. [2020-12-01 15:45:45,145 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-12-01 15:45:45,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 73 transitions. [2020-12-01 15:45:45,146 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 24 [2020-12-01 15:45:45,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:45:45,146 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:45:45,147 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-12-01 15:45:45,147 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:45:45,147 INFO L794 eck$LassoCheckResult]: Stem: 1444#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1436#L-1 havoc main_#res;havoc main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet26, main_#t~nondet27, main_#t~nondet28;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem23, test_fun_#t~mem24, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~short13, test_fun_#t~short14, test_fun_#t~mem17, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~short18, test_fun_#t~mem19, test_fun_#t~short20, test_fun_#t~mem21, test_fun_#t~short22, test_fun_#t~mem25, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 1437#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 1420#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647 - test_fun_#t~mem7; 1433#L557-3 test_fun_#t~short14 := test_fun_#t~short9; 1434#L557-4 assume !test_fun_#t~short14;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short13 := test_fun_#t~mem10 < 0; 1448#L557-6 [2020-12-01 15:45:45,147 INFO L796 eck$LassoCheckResult]: Loop: 1448#L557-6 assume test_fun_#t~short13;call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short13 := test_fun_#t~mem12 > -2147483648 - test_fun_#t~mem11; 1449#L557-8 test_fun_#t~short14 := test_fun_#t~short13; 1413#L557-9 test_fun_#t~short18 := test_fun_#t~short14; 1414#L557-10 assume test_fun_#t~short18;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem16 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short18 := test_fun_#t~mem17 > test_fun_#t~mem15 + test_fun_#t~mem16; 1422#L557-12 test_fun_#t~short20 := test_fun_#t~short18; 1429#L557-13 assume test_fun_#t~short20;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short20 := test_fun_#t~mem19 < 2147483647; 1430#L557-15 test_fun_#t~short22 := test_fun_#t~short20; 1445#L557-16 assume test_fun_#t~short22;call test_fun_#t~mem21 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short22 := test_fun_#t~mem21 < 2147483647; 1446#L557-18 assume !!test_fun_#t~short22;havoc test_fun_#t~mem10;havoc test_fun_#t~short14;havoc test_fun_#t~mem19;havoc test_fun_#t~mem11;havoc test_fun_#t~short22;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem15;havoc test_fun_#t~mem16;havoc test_fun_#t~mem21;havoc test_fun_#t~mem8;havoc test_fun_#t~mem12;havoc test_fun_#t~short13;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem17;havoc test_fun_#t~short20;call test_fun_#t~mem23 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem23, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem23;call test_fun_#t~mem24 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem24, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem24; 1461#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 1462#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647 - test_fun_#t~mem7; 1471#L557-3 test_fun_#t~short14 := test_fun_#t~short9; 1470#L557-4 assume !test_fun_#t~short14;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short13 := test_fun_#t~mem10 < 0; 1448#L557-6 [2020-12-01 15:45:45,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:45,148 INFO L82 PathProgramCache]: Analyzing trace with hash 889569323, now seen corresponding path program 1 times [2020-12-01 15:45:45,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:45,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262987942] [2020-12-01 15:45:45,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:45,163 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:45,189 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:45,193 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:45:45,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:45,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1252443473, now seen corresponding path program 1 times [2020-12-01 15:45:45,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:45,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181022006] [2020-12-01 15:45:45,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:45,213 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:45,223 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:45,232 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:45:45,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:45,234 INFO L82 PathProgramCache]: Analyzing trace with hash -166818107, now seen corresponding path program 1 times [2020-12-01 15:45:45,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:45,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602850382] [2020-12-01 15:45:45,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:45:45,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:45:45,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602850382] [2020-12-01 15:45:45,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:45:45,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 15:45:45,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797776885] [2020-12-01 15:45:45,799 WARN L197 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 97 [2020-12-01 15:45:45,922 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-12-01 15:45:45,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:45:45,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:45:45,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:45:45,924 INFO L87 Difference]: Start difference. First operand 65 states and 73 transitions. cyclomatic complexity: 12 Second operand 5 states. [2020-12-01 15:45:45,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:45:45,996 INFO L93 Difference]: Finished difference Result 61 states and 67 transitions. [2020-12-01 15:45:45,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 15:45:45,999 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 67 transitions. [2020-12-01 15:45:45,999 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2020-12-01 15:45:46,000 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 30 states and 31 transitions. [2020-12-01 15:45:46,000 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2020-12-01 15:45:46,000 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-12-01 15:45:46,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 31 transitions. [2020-12-01 15:45:46,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 15:45:46,001 INFO L692 BuchiCegarLoop]: Abstraction has 30 states and 31 transitions. [2020-12-01 15:45:46,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 31 transitions. [2020-12-01 15:45:46,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2020-12-01 15:45:46,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-01 15:45:46,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2020-12-01 15:45:46,003 INFO L715 BuchiCegarLoop]: Abstraction has 29 states and 30 transitions. [2020-12-01 15:45:46,003 INFO L595 BuchiCegarLoop]: Abstraction has 29 states and 30 transitions. [2020-12-01 15:45:46,003 INFO L427 BuchiCegarLoop]: ======== Iteration 9============ [2020-12-01 15:45:46,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 30 transitions. [2020-12-01 15:45:46,003 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2020-12-01 15:45:46,003 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:45:46,003 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:45:46,011 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:45:46,011 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:45:46,011 INFO L794 eck$LassoCheckResult]: Stem: 1575#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1569#L-1 havoc main_#res;havoc main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~ret29;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet26, main_#t~nondet27, main_#t~nondet28;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem23, test_fun_#t~mem24, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_#t~mem7, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~mem12, test_fun_#t~mem11, test_fun_#t~short13, test_fun_#t~short14, test_fun_#t~mem17, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~short18, test_fun_#t~mem19, test_fun_#t~short20, test_fun_#t~mem21, test_fun_#t~short22, test_fun_#t~mem25, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 1570#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 1561#L557-1 assume !test_fun_#t~short9; 1562#L557-3 test_fun_#t~short14 := test_fun_#t~short9; 1568#L557-4 assume !test_fun_#t~short14;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short13 := test_fun_#t~mem10 < 0; 1572#L557-6 assume test_fun_#t~short13;call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short13 := test_fun_#t~mem12 > -2147483648 - test_fun_#t~mem11; 1578#L557-8 test_fun_#t~short14 := test_fun_#t~short13; 1553#L557-9 test_fun_#t~short18 := test_fun_#t~short14; 1554#L557-10 assume test_fun_#t~short18;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem16 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short18 := test_fun_#t~mem17 > test_fun_#t~mem15 + test_fun_#t~mem16; 1560#L557-12 test_fun_#t~short20 := test_fun_#t~short18; 1565#L557-13 assume test_fun_#t~short20;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short20 := test_fun_#t~mem19 < 2147483647; 1567#L557-15 test_fun_#t~short22 := test_fun_#t~short20; 1574#L557-16 assume test_fun_#t~short22;call test_fun_#t~mem21 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short22 := test_fun_#t~mem21 < 2147483647; 1577#L557-18 assume !!test_fun_#t~short22;havoc test_fun_#t~mem10;havoc test_fun_#t~short14;havoc test_fun_#t~mem19;havoc test_fun_#t~mem11;havoc test_fun_#t~short22;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem15;havoc test_fun_#t~mem16;havoc test_fun_#t~mem21;havoc test_fun_#t~mem8;havoc test_fun_#t~mem12;havoc test_fun_#t~short13;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem17;havoc test_fun_#t~short20;call test_fun_#t~mem23 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem23, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem23;call test_fun_#t~mem24 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem24, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem24; 1557#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 1556#L557-1 [2020-12-01 15:45:46,011 INFO L796 eck$LassoCheckResult]: Loop: 1556#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647 - test_fun_#t~mem7; 1579#L557-3 test_fun_#t~short14 := test_fun_#t~short9; 1571#L557-4 assume test_fun_#t~short14; 1551#L557-9 test_fun_#t~short18 := test_fun_#t~short14; 1552#L557-10 assume test_fun_#t~short18;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem16 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short18 := test_fun_#t~mem17 > test_fun_#t~mem15 + test_fun_#t~mem16; 1559#L557-12 test_fun_#t~short20 := test_fun_#t~short18; 1564#L557-13 assume test_fun_#t~short20;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short20 := test_fun_#t~mem19 < 2147483647; 1566#L557-15 test_fun_#t~short22 := test_fun_#t~short20; 1573#L557-16 assume test_fun_#t~short22;call test_fun_#t~mem21 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short22 := test_fun_#t~mem21 < 2147483647; 1576#L557-18 assume !!test_fun_#t~short22;havoc test_fun_#t~mem10;havoc test_fun_#t~short14;havoc test_fun_#t~mem19;havoc test_fun_#t~mem11;havoc test_fun_#t~short22;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem15;havoc test_fun_#t~mem16;havoc test_fun_#t~mem21;havoc test_fun_#t~mem8;havoc test_fun_#t~mem12;havoc test_fun_#t~short13;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem17;havoc test_fun_#t~short20;call test_fun_#t~mem23 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem23, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem23;call test_fun_#t~mem24 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem24, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem24; 1555#L557-20 call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem6 >= 0; 1556#L557-1 [2020-12-01 15:45:46,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:46,012 INFO L82 PathProgramCache]: Analyzing trace with hash -403715764, now seen corresponding path program 2 times [2020-12-01 15:45:46,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:46,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732913088] [2020-12-01 15:45:46,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:46,046 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:46,083 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:46,097 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:45:46,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:46,099 INFO L82 PathProgramCache]: Analyzing trace with hash 261564103, now seen corresponding path program 3 times [2020-12-01 15:45:46,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:46,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702171367] [2020-12-01 15:45:46,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:46,123 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:46,130 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:46,133 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:45:46,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:46,134 INFO L82 PathProgramCache]: Analyzing trace with hash -399822692, now seen corresponding path program 1 times [2020-12-01 15:45:46,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:46,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714544489] [2020-12-01 15:45:46,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:46,172 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:45:46,208 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:45:46,219 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:45:46,622 WARN L197 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 88 [2020-12-01 15:45:49,428 WARN L197 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 245 DAG size of output: 172 [2020-12-01 15:45:50,143 WARN L197 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-12-01 15:45:50,147 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:45:50,147 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:45:50,148 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:45:50,148 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:45:50,148 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 15:45:50,148 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:50,148 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:45:50,148 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:45:50,148 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.06-alloca.i_Iteration9_Lasso [2020-12-01 15:45:50,148 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:45:50,149 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:45:50,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:50,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:51,751 WARN L197 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 124 DAG size of output: 107 [2020-12-01 15:45:52,285 WARN L197 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2020-12-01 15:45:52,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:52,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:52,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:52,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:52,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:52,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:52,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:45:52,606 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2020-12-01 15:45:52,825 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-12-01 15:45:53,405 WARN L197 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-12-01 15:45:53,597 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-12-01 15:45:53,753 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:45:53,753 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:53,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:53,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:53,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:53,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:53,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:53,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:53,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:53,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:53,761 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:53,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:53,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:53,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:53,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:53,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:53,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:53,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:53,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:53,788 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:53,818 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 [2020-12-01 15:45:53,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:53,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:53,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:53,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:53,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:53,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:53,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:53,821 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:53,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:53,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:53,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:53,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:53,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:53,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:53,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:53,850 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:45:53,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:53,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:53,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:53,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:53,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:53,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:53,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:53,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:53,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:53,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:53,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:53,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:53,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:53,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:53,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:53,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:53,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:53,905 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:53,929 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 [2020-12-01 15:45:53,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:53,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:53,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:53,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:53,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:53,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:53,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:53,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:53,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:53,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:53,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:53,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:53,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:53,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:53,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:53,963 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:53,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:53,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:53,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:53,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:53,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:53,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:53,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:54,002 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:54,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:54,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:54,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:54,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:54,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:54,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:54,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:54,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:54,030 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:54,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:54,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:54,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:54,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:54,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:54,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:54,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:54,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:54,056 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:54,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:54,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:54,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:54,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:54,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:54,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:54,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:54,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:54,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:54,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:54,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:54,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:54,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:54,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:54,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:54,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:54,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:54,110 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:45:54,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:54,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:54,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:54,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:54,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:54,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:54,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:54,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:54,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:54,268 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 [2020-12-01 15:45:54,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:54,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:54,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:54,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:54,270 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:54,270 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:54,273 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:54,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:54,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:54,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:54,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:54,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:54,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:54,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:54,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:54,300 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:54,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:54,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:54,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:54,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:54,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:54,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:54,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:54,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:54,327 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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 [2020-12-01 15:45:54,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:54,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:54,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:54,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:54,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:54,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:54,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:54,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:45:54,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:54,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:54,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:54,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:54,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:54,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:54,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:54,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:54,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:54,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:54,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:54,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:54,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:54,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:54,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:54,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:54,414 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:54,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:54,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:54,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:45:54,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:54,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:54,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:54,439 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:45:54,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:45:54,440 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:54,467 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 [2020-12-01 15:45:54,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:54,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:54,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:54,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:54,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:54,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:54,484 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:54,508 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 [2020-12-01 15:45:54,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:54,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:45:54,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:45:54,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:45:54,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:45:54,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:45:54,537 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/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) [2020-12-01 15:45:54,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:45:54,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:45:54,583 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-12-01 15:45:54,583 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-12-01 15:45:54,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:54,623 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2020-12-01 15:45:54,623 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-12-01 15:45:54,723 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 15:45:54,853 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-12-01 15:45:54,853 INFO L444 ModelExtractionUtils]: 36 out of 76 variables were initially zero. Simplification set additionally 37 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_285c2961-e2d6-4caa-8215-5318697b4d0c/bin/uautomizer/z3 Starting monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:45:54,855 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-12-01 15:45:54,859 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2020-12-01 15:45:54,859 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 15:45:54,859 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_3) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_3 + 4294967293 Supporting invariants [] [2020-12-01 15:45:55,048 INFO L297 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2020-12-01 15:45:55,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 15:45:55,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:45:55,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:45:55,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:45:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:45:55,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 15:45:55,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:45:55,140 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:45:55,173 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:45:55,321 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-12-01 15:45:55,322 INFO L348 Elim1Store]: treesize reduction 26, result has 68.7 percent of original size [2020-12-01 15:45:55,322 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 127 treesize of output 109 [2020-12-01 15:45:55,328 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 15:45:55,329 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-01 15:45:55,331 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-01 15:45:55,333 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-01 15:45:55,336 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-01 15:45:55,337 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 15:45:55,338 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-01 15:45:55,340 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-01 15:45:55,343 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-01 15:45:55,344 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-01 15:45:55,346 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-01 15:45:55,370 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_test_fun_~z_ref~0.offset Int) (|v_#memory_int_179| (Array Int (Array Int Int))) (ULTIMATE.start_test_fun_~z_ref~0.base Int)) (let ((.cse3 (select |v_#memory_int_179| c_ULTIMATE.start_test_fun_~y_ref~0.base))) (let ((.cse0 (select .cse3 c_ULTIMATE.start_test_fun_~y_ref~0.offset))) (and (< .cse0 2147483647) (= |c_#memory_int| (let ((.cse1 (store |v_#memory_int_179| c_ULTIMATE.start_test_fun_~y_ref~0.base (store .cse3 c_ULTIMATE.start_test_fun_~y_ref~0.offset (+ .cse0 1))))) (store .cse1 ULTIMATE.start_test_fun_~z_ref~0.base (let ((.cse2 (select .cse1 ULTIMATE.start_test_fun_~z_ref~0.base))) (store .cse2 ULTIMATE.start_test_fun_~z_ref~0.offset (+ (select .cse2 ULTIMATE.start_test_fun_~z_ref~0.offset) 1)))))) (<= 4294967293 (+ (* 2 .cse0) c_oldRank0)))))) is different from true [2020-12-01 15:45:55,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:45:55,371 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2020-12-01 15:45:55,371 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 30 transitions. cyclomatic complexity: 3 Second operand 7 states. [2020-12-01 15:45:55,463 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 30 transitions. cyclomatic complexity: 3. Second operand 7 states. Result 52 states and 55 transitions. Complement of second has 10 states. [2020-12-01 15:45:55,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2020-12-01 15:45:55,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-12-01 15:45:55,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2020-12-01 15:45:55,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 16 letters. Loop has 11 letters. [2020-12-01 15:45:55,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:45:55,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 27 letters. Loop has 11 letters. [2020-12-01 15:45:55,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:45:55,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 16 letters. Loop has 22 letters. [2020-12-01 15:45:55,466 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:45:55,466 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 55 transitions. [2020-12-01 15:45:55,467 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:45:55,468 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 0 states and 0 transitions. [2020-12-01 15:45:55,468 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-12-01 15:45:55,468 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-12-01 15:45:55,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-12-01 15:45:55,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 15:45:55,468 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:45:55,468 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:45:55,468 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:45:55,468 INFO L427 BuchiCegarLoop]: ======== Iteration 10============ [2020-12-01 15:45:55,468 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:45:55,468 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:45:55,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-12-01 15:45:55,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 03:45:55 BoogieIcfgContainer [2020-12-01 15:45:55,474 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-12-01 15:45:55,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:45:55,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:45:55,475 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:45:55,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:45:29" (3/4) ... [2020-12-01 15:45:55,480 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 15:45:55,480 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:45:55,481 INFO L168 Benchmark]: Toolchain (without parser) took 26796.60 ms. Allocated memory was 86.0 MB in the beginning and 283.1 MB in the end (delta: 197.1 MB). Free memory was 52.4 MB in the beginning and 159.7 MB in the end (delta: -107.3 MB). Peak memory consumption was 89.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:45:55,481 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 86.0 MB. Free memory was 59.0 MB in the beginning and 58.9 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:45:55,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.83 ms. Allocated memory is still 86.0 MB. Free memory was 52.3 MB in the beginning and 54.2 MB in the end (delta: -1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:45:55,482 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.64 ms. Allocated memory is still 86.0 MB. Free memory was 54.2 MB in the beginning and 52.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:45:55,483 INFO L168 Benchmark]: Boogie Preprocessor took 29.58 ms. Allocated memory is still 86.0 MB. Free memory was 52.1 MB in the beginning and 50.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:45:55,483 INFO L168 Benchmark]: RCFGBuilder took 531.24 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 50.7 MB in the beginning and 80.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:45:55,484 INFO L168 Benchmark]: BuchiAutomizer took 25624.97 ms. Allocated memory was 104.9 MB in the beginning and 283.1 MB in the end (delta: 178.3 MB). Free memory was 80.4 MB in the beginning and 159.7 MB in the end (delta: -79.3 MB). Peak memory consumption was 99.0 MB. Max. memory is 16.1 GB. [2020-12-01 15:45:55,484 INFO L168 Benchmark]: Witness Printer took 5.14 ms. Allocated memory is still 283.1 MB. Free memory is still 159.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:45:55,486 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 86.0 MB. Free memory was 59.0 MB in the beginning and 58.9 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 540.83 ms. Allocated memory is still 86.0 MB. Free memory was 52.3 MB in the beginning and 54.2 MB in the end (delta: -1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.64 ms. Allocated memory is still 86.0 MB. Free memory was 54.2 MB in the beginning and 52.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.58 ms. Allocated memory is still 86.0 MB. Free memory was 52.1 MB in the beginning and 50.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 531.24 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 50.7 MB in the beginning and 80.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 25624.97 ms. Allocated memory was 104.9 MB in the beginning and 283.1 MB in the end (delta: 178.3 MB). Free memory was 80.4 MB in the beginning and 159.7 MB in the end (delta: -79.3 MB). Peak memory consumption was 99.0 MB. Max. memory is 16.1 GB. * Witness Printer took 5.14 ms. Allocated memory is still 283.1 MB. Free memory is still 159.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (6 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 4294967293 * x + -4294967294 * unknown-#memory_int-unknown[z_ref][z_ref] and consists of 9 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[y_ref][y_ref] and consists of 5 locations. One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[y_ref][y_ref] + 4294967293 and consists of 6 locations. 6 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 25.5s and 10 iterations. TraceHistogramMax:2. Analysis of lassos took 22.6s. Construction of modules took 0.4s. Büchi inclusion checks took 2.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 81 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 89 states and ocurred in iteration 6. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 189 SDtfs, 243 SDslu, 292 SDs, 0 SdLazy, 287 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time LassoAnalysisResults: nont0 unkn0 SFLI4 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital1100 mio100 ax102 hnf100 lsp95 ukn41 mio100 lsp31 div100 bol103 ite100 ukn100 eq176 hnf89 smp92 dnf187 smp82 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 286ms VariablesStem: 14 VariablesLoop: 9 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...