./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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-a4ecdab [2020-11-29 18:27:32,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:27:32,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:27:32,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:27:32,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:27:32,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:27:32,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:27:32,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:27:32,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:27:32,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:27:32,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:27:32,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:27:32,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:27:32,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:27:32,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:27:32,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:27:32,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:27:32,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:27:32,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:27:32,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:27:32,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:27:32,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:27:32,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:27:32,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:27:32,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:27:32,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:27:32,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:27:32,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:27:32,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:27:32,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:27:32,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:27:32,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:27:32,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:27:32,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:27:32,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:27:32,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:27:32,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:27:32,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:27:32,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:27:32,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:27:32,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:27:32,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-29 18:27:32,408 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:27:32,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:27:32,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:27:32,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:27:32,411 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:27:32,411 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 18:27:32,412 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 18:27:32,412 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 18:27:32,412 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 18:27:32,412 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 18:27:32,414 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 18:27:32,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:27:32,414 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:27:32,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:27:32,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:27:32,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 18:27:32,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 18:27:32,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 18:27:32,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:27:32,416 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 18:27:32,416 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:27:32,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 18:27:32,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:27:32,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:27:32,417 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 18:27:32,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:27:32,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:27:32,418 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:27:32,418 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 18:27:32,421 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 18:27:32,421 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_946b596c-f9a5-4076-b334-524bd9694866/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6c4332f1874752b59e29803328ba77ee4005585 [2020-11-29 18:27:32,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:27:32,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:27:32,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:27:32,702 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:27:32,703 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:27:32,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i [2020-11-29 18:27:32,781 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/data/6458fd4ac/d64341aba8a04f75b45a82ad99cb3854/FLAG51072024f [2020-11-29 18:27:33,263 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:27:33,263 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i [2020-11-29 18:27:33,281 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/data/6458fd4ac/d64341aba8a04f75b45a82ad99cb3854/FLAG51072024f [2020-11-29 18:27:33,625 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/data/6458fd4ac/d64341aba8a04f75b45a82ad99cb3854 [2020-11-29 18:27:33,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:27:33,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:27:33,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:27:33,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:27:33,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:27:33,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:27:33" (1/1) ... [2020-11-29 18:27:33,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787c9439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:27:33, skipping insertion in model container [2020-11-29 18:27:33,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:27:33" (1/1) ... [2020-11-29 18:27:33,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:27:33,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:27:34,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:27:34,015 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:27:34,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:27:34,119 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:27:34,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:27:34 WrapperNode [2020-11-29 18:27:34,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:27:34,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:27:34,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:27:34,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:27:34,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:27:34" (1/1) ... [2020-11-29 18:27:34,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:27:34" (1/1) ... [2020-11-29 18:27:34,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:27:34,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:27:34,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:27:34,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:27:34,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:27:34" (1/1) ... [2020-11-29 18:27:34,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:27:34" (1/1) ... [2020-11-29 18:27:34,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:27:34" (1/1) ... [2020-11-29 18:27:34,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:27:34" (1/1) ... [2020-11-29 18:27:34,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:27:34" (1/1) ... [2020-11-29 18:27:34,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:27:34" (1/1) ... [2020-11-29 18:27:34,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:27:34" (1/1) ... [2020-11-29 18:27:34,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:27:34,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:27:34,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:27:34,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:27:34,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:27:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 18:27:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 18:27:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:27:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 18:27:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:27:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:27:34,842 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:27:34,843 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-29 18:27:34,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:27:34 BoogieIcfgContainer [2020-11-29 18:27:34,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:27:34,845 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 18:27:34,845 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 18:27:34,850 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 18:27:34,851 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:27:34,851 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 06:27:33" (1/3) ... [2020-11-29 18:27:34,852 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75387158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:27:34, skipping insertion in model container [2020-11-29 18:27:34,852 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:27:34,853 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:27:34" (2/3) ... [2020-11-29 18:27:34,853 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75387158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:27:34, skipping insertion in model container [2020-11-29 18:27:34,853 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:27:34,853 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:27:34" (3/3) ... [2020-11-29 18:27:34,859 INFO L373 chiAutomizerObserver]: Analyzing ICFG a.06-alloca.i [2020-11-29 18:27:34,898 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 18:27:34,898 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 18:27:34,898 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 18:27:34,898 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:27:34,898 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:27:34,898 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 18:27:34,898 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:27:34,899 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 18:27:34,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2020-11-29 18:27:34,924 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2020-11-29 18:27:34,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:27:34,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:27:34,930 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-29 18:27:34,930 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:27:34,930 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 18:27:34,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2020-11-29 18:27:34,932 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2020-11-29 18:27:34,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:27:34,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:27:34,933 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-29 18:27:34,933 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:27:34,940 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 [2020-11-29 18:27:34,941 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~mem19;havoc test_fun_#t~mem7;havoc test_fun_#t~short14;havoc test_fun_#t~mem12;havoc test_fun_#t~short22;havoc test_fun_#t~short20;havoc test_fun_#t~short13;havoc test_fun_#t~mem16;havoc test_fun_#t~mem17;havoc test_fun_#t~mem6;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem21;havoc test_fun_#t~mem10;havoc test_fun_#t~mem15;havoc test_fun_#t~mem8;havoc test_fun_#t~mem11;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 [2020-11-29 18:27:34,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:34,947 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-29 18:27:34,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:34,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75540592] [2020-11-29 18:27:34,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:35,140 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:35,216 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:35,255 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:27:35,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:35,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1442805661, now seen corresponding path program 1 times [2020-11-29 18:27:35,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:35,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142645156] [2020-11-29 18:27:35,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:27:35,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:27:35,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142645156] [2020-11-29 18:27:35,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:27:35,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 18:27:35,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416208103] [2020-11-29 18:27:35,409 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 18:27:35,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:27:35,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:27:35,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:27:35,432 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 4 states. [2020-11-29 18:27:35,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:27:35,527 INFO L93 Difference]: Finished difference Result 27 states and 36 transitions. [2020-11-29 18:27:35,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:27:35,530 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2020-11-29 18:27:35,532 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2020-11-29 18:27:35,536 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 22 states and 30 transitions. [2020-11-29 18:27:35,537 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2020-11-29 18:27:35,540 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2020-11-29 18:27:35,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2020-11-29 18:27:35,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 18:27:35,542 INFO L691 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2020-11-29 18:27:35,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2020-11-29 18:27:35,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2020-11-29 18:27:35,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-29 18:27:35,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2020-11-29 18:27:35,571 INFO L714 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-11-29 18:27:35,572 INFO L594 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-11-29 18:27:35,572 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 18:27:35,573 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2020-11-29 18:27:35,576 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2020-11-29 18:27:35,576 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:27:35,576 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:27:35,578 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-29 18:27:35,578 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:27:35,578 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 [2020-11-29 18:27:35,579 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~mem19;havoc test_fun_#t~mem7;havoc test_fun_#t~short14;havoc test_fun_#t~mem12;havoc test_fun_#t~short22;havoc test_fun_#t~short20;havoc test_fun_#t~short13;havoc test_fun_#t~mem16;havoc test_fun_#t~mem17;havoc test_fun_#t~mem6;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem21;havoc test_fun_#t~mem10;havoc test_fun_#t~mem15;havoc test_fun_#t~mem8;havoc test_fun_#t~mem11;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 [2020-11-29 18:27:35,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:35,579 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2020-11-29 18:27:35,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:35,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783979269] [2020-11-29 18:27:35,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:35,641 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:35,688 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:35,699 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:27:35,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:35,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1500063963, now seen corresponding path program 1 times [2020-11-29 18:27:35,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:35,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762985983] [2020-11-29 18:27:35,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:35,717 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:35,735 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:35,748 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:27:35,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:35,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1876539869, now seen corresponding path program 1 times [2020-11-29 18:27:35,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:35,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585208243] [2020-11-29 18:27:35,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:35,793 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:35,822 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:35,830 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:27:36,504 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2020-11-29 18:27:37,390 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 103 [2020-11-29 18:27:37,674 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-11-29 18:27:37,691 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 18:27:37,695 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 18:27:37,695 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 18:27:37,695 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 18:27:37,695 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 18:27:37,695 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:37,695 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 18:27:37,696 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 18:27:37,696 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.06-alloca.i_Iteration2_Lasso [2020-11-29 18:27:37,696 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 18:27:37,696 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 18:27:37,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:37,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:38,662 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 91 [2020-11-29 18:27:38,896 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2020-11-29 18:27:38,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:39,807 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 18:27:39,812 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:39,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:39,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:39,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:39,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:39,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:39,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:39,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:39,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:39,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:27:39,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:39,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:39,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:39,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:39,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:39,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:39,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:39,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:39,898 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:39,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:39,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:39,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:39,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:39,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:39,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:39,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:39,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:39,935 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:39,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:39,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:39,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:39,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:39,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:39,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:39,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:39,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:39,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:39,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:39,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:39,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:39,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:39,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:39,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:39,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:39,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:39,994 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:40,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:40,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:40,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:40,048 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:40,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:40,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:40,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:40,077 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:40,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:40,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:40,114 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:40,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:40,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:40,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:40,152 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:40,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:40,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:40,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:40,179 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:40,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:40,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:40,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:40,215 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:40,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:40,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:40,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:40,267 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:40,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:40,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:40,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:40,300 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:40,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:40,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:40,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:40,329 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:40,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:40,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:40,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:40,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:40,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,391 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:40,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:40,399 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:40,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:40,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:40,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:40,436 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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) [2020-11-29 18:27:40,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:40,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:40,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:40,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:40,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:40,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:40,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:40,535 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:40,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:40,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:40,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:40,565 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:40,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:40,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:40,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:40,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:40,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:40,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:40,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:40,641 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:27:40,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:40,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:40,680 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:40,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:40,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:40,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:40,708 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:40,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:40,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:40,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:40,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:40,757 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 [2020-11-29 18:27:40,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:40,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:40,770 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:40,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:40,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:40,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:40,798 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:40,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:40,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:40,828 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:40,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:40,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:40,880 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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) [2020-11-29 18:27:40,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:40,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:40,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:40,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:40,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:40,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:40,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:40,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:40,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:40,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:40,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:41,014 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:41,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:41,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:41,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:41,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:41,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:41,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:41,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:41,067 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:41,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:41,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:41,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:41,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:41,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:41,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:41,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:41,096 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:41,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:41,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:41,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:41,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:41,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:41,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:41,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:41,126 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:27:41,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:41,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:41,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:41,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:41,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:41,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:41,159 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 [2020-11-29 18:27:41,166 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:41,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:41,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:41,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:41,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:41,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:41,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:41,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:41,234 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 18:27:41,494 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2020-11-29 18:27:41,494 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_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:27:41,502 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:41,507 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-29 18:27:41,507 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 18:27:41,508 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] [2020-11-29 18:27:41,854 INFO L297 tatePredicateManager]: 39 out of 42 supporting invariants were superfluous and have been removed [2020-11-29 18:27:41,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 18:27:41,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:27:41,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-29 18:27:41,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:27:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:27:42,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 21 conjunts are in the unsatisfiable core [2020-11-29 18:27:42,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:27:42,025 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:27:42,123 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:27:42,138 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:27:42,224 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:27:42,363 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:27:42,368 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:27:42,373 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:27:42,472 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:27:42,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:27:42,675 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 [2020-11-29 18:27:42,675 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 7 Second operand 9 states. [2020-11-29 18:27:43,416 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. [2020-11-29 18:27:43,419 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 [2020-11-29 18:27:43,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-11-29 18:27:43,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 47 transitions. [2020-11-29 18:27:43,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 47 transitions. Stem has 2 letters. Loop has 11 letters. [2020-11-29 18:27:43,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:27:43,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 47 transitions. Stem has 13 letters. Loop has 11 letters. [2020-11-29 18:27:43,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:27:43,424 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 47 transitions. Stem has 2 letters. Loop has 22 letters. [2020-11-29 18:27:43,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:27:43,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 89 states and 121 transitions. [2020-11-29 18:27:43,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2020-11-29 18:27:43,438 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 89 states to 61 states and 82 transitions. [2020-11-29 18:27:43,439 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 49 [2020-11-29 18:27:43,439 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2020-11-29 18:27:43,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 82 transitions. [2020-11-29 18:27:43,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 18:27:43,440 INFO L691 BuchiCegarLoop]: Abstraction has 61 states and 82 transitions. [2020-11-29 18:27:43,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 82 transitions. [2020-11-29 18:27:43,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 36. [2020-11-29 18:27:43,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-11-29 18:27:43,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 47 transitions. [2020-11-29 18:27:43,453 INFO L714 BuchiCegarLoop]: Abstraction has 36 states and 47 transitions. [2020-11-29 18:27:43,453 INFO L594 BuchiCegarLoop]: Abstraction has 36 states and 47 transitions. [2020-11-29 18:27:43,453 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 18:27:43,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 47 transitions. [2020-11-29 18:27:43,454 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2020-11-29 18:27:43,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:27:43,456 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:27:43,457 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-29 18:27:43,457 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:27:43,457 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 [2020-11-29 18:27:43,457 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~mem19;havoc test_fun_#t~mem7;havoc test_fun_#t~short14;havoc test_fun_#t~mem12;havoc test_fun_#t~short22;havoc test_fun_#t~short20;havoc test_fun_#t~short13;havoc test_fun_#t~mem16;havoc test_fun_#t~mem17;havoc test_fun_#t~mem6;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem21;havoc test_fun_#t~mem10;havoc test_fun_#t~mem15;havoc test_fun_#t~mem8;havoc test_fun_#t~mem11;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 [2020-11-29 18:27:43,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:43,458 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-11-29 18:27:43,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:43,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330714978] [2020-11-29 18:27:43,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:43,499 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:43,517 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:43,529 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:27:43,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:43,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1349788853, now seen corresponding path program 2 times [2020-11-29 18:27:43,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:43,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908067779] [2020-11-29 18:27:43,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:43,552 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:43,579 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:43,583 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:27:43,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:43,585 INFO L82 PathProgramCache]: Analyzing trace with hash 789615876, now seen corresponding path program 1 times [2020-11-29 18:27:43,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:43,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833145725] [2020-11-29 18:27:43,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:27:43,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:27:43,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833145725] [2020-11-29 18:27:43,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:27:43,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 18:27:43,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582723847] [2020-11-29 18:27:44,118 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 90 [2020-11-29 18:27:44,241 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-11-29 18:27:44,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:27:44,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:27:44,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:27:44,243 INFO L87 Difference]: Start difference. First operand 36 states and 47 transitions. cyclomatic complexity: 13 Second operand 4 states. [2020-11-29 18:27:44,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:27:44,293 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2020-11-29 18:27:44,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:27:44,293 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 62 transitions. [2020-11-29 18:27:44,294 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 26 [2020-11-29 18:27:44,295 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 62 transitions. [2020-11-29 18:27:44,295 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2020-11-29 18:27:44,295 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2020-11-29 18:27:44,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 62 transitions. [2020-11-29 18:27:44,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 18:27:44,295 INFO L691 BuchiCegarLoop]: Abstraction has 47 states and 62 transitions. [2020-11-29 18:27:44,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 62 transitions. [2020-11-29 18:27:44,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 38. [2020-11-29 18:27:44,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-11-29 18:27:44,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2020-11-29 18:27:44,298 INFO L714 BuchiCegarLoop]: Abstraction has 38 states and 49 transitions. [2020-11-29 18:27:44,298 INFO L594 BuchiCegarLoop]: Abstraction has 38 states and 49 transitions. [2020-11-29 18:27:44,298 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 18:27:44,298 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 49 transitions. [2020-11-29 18:27:44,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2020-11-29 18:27:44,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:27:44,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:27:44,299 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-29 18:27:44,299 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:27:44,299 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 [2020-11-29 18:27:44,299 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~mem19;havoc test_fun_#t~mem7;havoc test_fun_#t~short14;havoc test_fun_#t~mem12;havoc test_fun_#t~short22;havoc test_fun_#t~short20;havoc test_fun_#t~short13;havoc test_fun_#t~mem16;havoc test_fun_#t~mem17;havoc test_fun_#t~mem6;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem21;havoc test_fun_#t~mem10;havoc test_fun_#t~mem15;havoc test_fun_#t~mem8;havoc test_fun_#t~mem11;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 [2020-11-29 18:27:44,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:44,299 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 2 times [2020-11-29 18:27:44,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:44,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555177016] [2020-11-29 18:27:44,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:44,328 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:44,342 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:44,349 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:27:44,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:44,353 INFO L82 PathProgramCache]: Analyzing trace with hash 881756805, now seen corresponding path program 1 times [2020-11-29 18:27:44,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:44,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543827342] [2020-11-29 18:27:44,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:27:44,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:27:44,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543827342] [2020-11-29 18:27:44,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:27:44,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 18:27:44,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964823439] [2020-11-29 18:27:44,409 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 18:27:44,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:27:44,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:27:44,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:27:44,410 INFO L87 Difference]: Start difference. First operand 38 states and 49 transitions. cyclomatic complexity: 13 Second operand 4 states. [2020-11-29 18:27:44,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:27:44,454 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions. [2020-11-29 18:27:44,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:27:44,455 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 59 transitions. [2020-11-29 18:27:44,456 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2020-11-29 18:27:44,456 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 59 transitions. [2020-11-29 18:27:44,457 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2020-11-29 18:27:44,457 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2020-11-29 18:27:44,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 59 transitions. [2020-11-29 18:27:44,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 18:27:44,457 INFO L691 BuchiCegarLoop]: Abstraction has 46 states and 59 transitions. [2020-11-29 18:27:44,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 59 transitions. [2020-11-29 18:27:44,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 38. [2020-11-29 18:27:44,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-11-29 18:27:44,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2020-11-29 18:27:44,461 INFO L714 BuchiCegarLoop]: Abstraction has 38 states and 49 transitions. [2020-11-29 18:27:44,461 INFO L594 BuchiCegarLoop]: Abstraction has 38 states and 49 transitions. [2020-11-29 18:27:44,461 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-29 18:27:44,461 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 49 transitions. [2020-11-29 18:27:44,462 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 19 [2020-11-29 18:27:44,462 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:27:44,462 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:27:44,462 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-29 18:27:44,463 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:27:44,463 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 [2020-11-29 18:27:44,463 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~mem19;havoc test_fun_#t~mem7;havoc test_fun_#t~short14;havoc test_fun_#t~mem12;havoc test_fun_#t~short22;havoc test_fun_#t~short20;havoc test_fun_#t~short13;havoc test_fun_#t~mem16;havoc test_fun_#t~mem17;havoc test_fun_#t~mem6;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem21;havoc test_fun_#t~mem10;havoc test_fun_#t~mem15;havoc test_fun_#t~mem8;havoc test_fun_#t~mem11;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 [2020-11-29 18:27:44,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:44,463 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 3 times [2020-11-29 18:27:44,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:44,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615165437] [2020-11-29 18:27:44,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:44,500 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:44,512 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:44,525 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:27:44,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:44,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1691103431, now seen corresponding path program 1 times [2020-11-29 18:27:44,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:44,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904681946] [2020-11-29 18:27:44,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:44,547 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:44,573 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:44,580 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:27:44,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:44,581 INFO L82 PathProgramCache]: Analyzing trace with hash 369713216, now seen corresponding path program 1 times [2020-11-29 18:27:44,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:44,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293927227] [2020-11-29 18:27:44,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:44,622 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:44,657 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:44,663 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:27:45,179 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 91 [2020-11-29 18:27:45,916 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 111 [2020-11-29 18:27:46,137 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-11-29 18:27:46,141 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 18:27:46,141 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 18:27:46,141 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 18:27:46,141 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 18:27:46,141 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 18:27:46,141 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:46,141 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 18:27:46,141 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 18:27:46,141 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.06-alloca.i_Iteration5_Lasso [2020-11-29 18:27:46,141 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 18:27:46,141 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 18:27:46,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:46,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:46,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:46,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:46,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:46,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:46,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:46,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:46,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:46,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:46,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:46,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:46,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:46,750 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 90 [2020-11-29 18:27:47,000 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2020-11-29 18:27:47,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:47,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:47,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:47,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:47,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:47,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:47,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:47,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:47,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:47,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:47,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:47,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:47,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:47,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:47,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:47,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:47,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:47,786 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 18:27:47,786 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:27:47,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:47,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:47,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:47,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:47,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:47,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:47,828 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 [2020-11-29 18:27:47,833 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:47,861 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 [2020-11-29 18:27:47,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:47,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:47,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:47,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:47,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:47,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:47,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:47,864 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:47,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:47,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:47,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:47,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:47,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:47,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:47,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:47,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:47,888 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:47,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:47,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:47,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:47,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:47,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:47,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:47,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:47,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:47,914 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:47,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:47,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:47,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:47,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:47,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:47,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:47,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:47,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:47,951 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:47,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:47,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:47,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:47,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:47,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:47,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:47,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:47,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:47,981 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:48,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:48,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:48,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:48,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:48,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:48,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:48,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:48,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:48,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:48,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:48,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:48,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:48,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:48,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:48,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:48,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:48,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:48,054 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:48,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:48,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:48,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:48,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:48,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:48,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:48,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:48,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:48,079 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:48,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:48,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:48,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:48,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:48,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:48,105 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:48,105 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:48,114 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:27:48,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:48,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:48,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:48,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:48,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:48,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:48,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:48,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:48,157 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:48,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:48,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:48,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:48,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:48,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:48,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:48,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:48,202 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:48,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:48,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:48,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:48,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:48,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:48,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:48,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:48,255 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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) [2020-11-29 18:27:48,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:48,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:48,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:48,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:48,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:48,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:48,306 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 [2020-11-29 18:27:48,310 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:48,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:48,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:48,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:48,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:48,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:48,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:48,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:48,350 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:27:48,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:48,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:48,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:48,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:48,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:48,394 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:48,394 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 [2020-11-29 18:27:48,398 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:48,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:48,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:48,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:48,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:48,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:48,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:48,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:48,427 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:27:48,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:48,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:48,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:48,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:48,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:48,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:48,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:48,458 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:48,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:48,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:48,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:48,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:48,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:48,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:48,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:48,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:48,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:48,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:48,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:48,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:48,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:48,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:48,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:48,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:48,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:48,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:48,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:48,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:48,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:48,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:48,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:48,570 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:48,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:48,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:48,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:48,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:48,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:48,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:48,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:48,638 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 18:27:48,706 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2020-11-29 18:27:48,706 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_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:27:48,710 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 [2020-11-29 18:27:48,713 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 18:27:48,713 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 18:27:48,713 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 [] [2020-11-29 18:27:48,917 INFO L297 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2020-11-29 18:27:48,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 18:27:48,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:27:48,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:27:48,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:27:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:27:48,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 18:27:48,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:27:48,988 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:27:49,197 INFO L350 Elim1Store]: treesize reduction 20, result has 75.9 percent of original size [2020-11-29 18:27:49,197 INFO L384 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 [2020-11-29 18:27:49,201 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,202 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,204 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-11-29 18:27:49,206 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,207 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,209 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-29 18:27:49,212 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,213 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,215 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,216 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,220 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,221 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,224 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,224 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,228 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,229 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,231 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 18:27:49,233 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,234 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,236 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,237 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,241 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,242 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,271 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 [2020-11-29 18:27:49,339 INFO L350 Elim1Store]: treesize reduction 20, result has 75.9 percent of original size [2020-11-29 18:27:49,340 INFO L384 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 [2020-11-29 18:27:49,358 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,359 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,360 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-11-29 18:27:49,362 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,363 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,365 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 18:27:49,366 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,367 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,369 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,370 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,373 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,374 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,378 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,379 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,381 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-29 18:27:49,382 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,390 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,393 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,399 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,401 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,407 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,411 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:49,412 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:49,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:27:49,439 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 [2020-11-29 18:27:49,439 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 49 transitions. cyclomatic complexity: 13 Second operand 6 states. [2020-11-29 18:27:49,537 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. [2020-11-29 18:27:49,537 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 [2020-11-29 18:27:49,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-29 18:27:49,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 62 transitions. [2020-11-29 18:27:49,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 62 transitions. Stem has 4 letters. Loop has 13 letters. [2020-11-29 18:27:49,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:27:49,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 62 transitions. Stem has 17 letters. Loop has 13 letters. [2020-11-29 18:27:49,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:27:49,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 62 transitions. Stem has 4 letters. Loop has 26 letters. [2020-11-29 18:27:49,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:27:49,540 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 143 transitions. [2020-11-29 18:27:49,542 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2020-11-29 18:27:49,544 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 98 states and 130 transitions. [2020-11-29 18:27:49,544 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2020-11-29 18:27:49,544 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2020-11-29 18:27:49,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 130 transitions. [2020-11-29 18:27:49,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 18:27:49,544 INFO L691 BuchiCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-11-29 18:27:49,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 130 transitions. [2020-11-29 18:27:49,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 86. [2020-11-29 18:27:49,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-11-29 18:27:49,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 113 transitions. [2020-11-29 18:27:49,559 INFO L714 BuchiCegarLoop]: Abstraction has 86 states and 113 transitions. [2020-11-29 18:27:49,559 INFO L594 BuchiCegarLoop]: Abstraction has 86 states and 113 transitions. [2020-11-29 18:27:49,559 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-29 18:27:49,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 113 transitions. [2020-11-29 18:27:49,560 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 36 [2020-11-29 18:27:49,560 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:27:49,560 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:27:49,561 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-29 18:27:49,561 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:27:49,561 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 [2020-11-29 18:27:49,561 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~mem19;havoc test_fun_#t~mem7;havoc test_fun_#t~short14;havoc test_fun_#t~mem12;havoc test_fun_#t~short22;havoc test_fun_#t~short20;havoc test_fun_#t~short13;havoc test_fun_#t~mem16;havoc test_fun_#t~mem17;havoc test_fun_#t~mem6;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem21;havoc test_fun_#t~mem10;havoc test_fun_#t~mem15;havoc test_fun_#t~mem8;havoc test_fun_#t~mem11;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 [2020-11-29 18:27:49,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:49,562 INFO L82 PathProgramCache]: Analyzing trace with hash 28695846, now seen corresponding path program 1 times [2020-11-29 18:27:49,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:49,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773357431] [2020-11-29 18:27:49,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:49,586 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:49,603 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:49,606 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:27:49,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:49,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1912507281, now seen corresponding path program 1 times [2020-11-29 18:27:49,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:49,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623230108] [2020-11-29 18:27:49,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:27:49,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:27:49,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623230108] [2020-11-29 18:27:49,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:27:49,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 18:27:49,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791162235] [2020-11-29 18:27:49,650 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 18:27:49,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:27:49,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:27:49,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:27:49,651 INFO L87 Difference]: Start difference. First operand 86 states and 113 transitions. cyclomatic complexity: 31 Second operand 5 states. [2020-11-29 18:27:49,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:27:49,715 INFO L93 Difference]: Finished difference Result 108 states and 138 transitions. [2020-11-29 18:27:49,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 18:27:49,717 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 138 transitions. [2020-11-29 18:27:49,719 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2020-11-29 18:27:49,720 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 108 states and 138 transitions. [2020-11-29 18:27:49,720 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 61 [2020-11-29 18:27:49,721 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 61 [2020-11-29 18:27:49,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 108 states and 138 transitions. [2020-11-29 18:27:49,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 18:27:49,721 INFO L691 BuchiCegarLoop]: Abstraction has 108 states and 138 transitions. [2020-11-29 18:27:49,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states and 138 transitions. [2020-11-29 18:27:49,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 89. [2020-11-29 18:27:49,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-11-29 18:27:49,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2020-11-29 18:27:49,732 INFO L714 BuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2020-11-29 18:27:49,733 INFO L594 BuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2020-11-29 18:27:49,733 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-11-29 18:27:49,733 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 114 transitions. [2020-11-29 18:27:49,733 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2020-11-29 18:27:49,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:27:49,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:27:49,734 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-29 18:27:49,734 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:27:49,734 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 [2020-11-29 18:27:49,735 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~mem19;havoc test_fun_#t~mem7;havoc test_fun_#t~short14;havoc test_fun_#t~mem12;havoc test_fun_#t~short22;havoc test_fun_#t~short20;havoc test_fun_#t~short13;havoc test_fun_#t~mem16;havoc test_fun_#t~mem17;havoc test_fun_#t~mem6;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem21;havoc test_fun_#t~mem10;havoc test_fun_#t~mem15;havoc test_fun_#t~mem8;havoc test_fun_#t~mem11;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 [2020-11-29 18:27:49,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:49,735 INFO L82 PathProgramCache]: Analyzing trace with hash 28695846, now seen corresponding path program 2 times [2020-11-29 18:27:49,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:49,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107022857] [2020-11-29 18:27:49,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:49,759 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:49,780 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:49,783 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:27:49,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:49,784 INFO L82 PathProgramCache]: Analyzing trace with hash 72605717, now seen corresponding path program 1 times [2020-11-29 18:27:49,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:49,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333382748] [2020-11-29 18:27:49,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:27:49,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:27:49,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333382748] [2020-11-29 18:27:49,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:27:49,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 18:27:49,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676495231] [2020-11-29 18:27:49,811 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 18:27:49,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:27:49,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:27:49,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:27:49,811 INFO L87 Difference]: Start difference. First operand 89 states and 114 transitions. cyclomatic complexity: 29 Second operand 5 states. [2020-11-29 18:27:49,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:27:49,880 INFO L93 Difference]: Finished difference Result 120 states and 132 transitions. [2020-11-29 18:27:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 18:27:49,881 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 120 states and 132 transitions. [2020-11-29 18:27:49,882 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 26 [2020-11-29 18:27:49,883 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 120 states to 67 states and 75 transitions. [2020-11-29 18:27:49,883 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2020-11-29 18:27:49,883 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2020-11-29 18:27:49,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 75 transitions. [2020-11-29 18:27:49,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 18:27:49,884 INFO L691 BuchiCegarLoop]: Abstraction has 67 states and 75 transitions. [2020-11-29 18:27:49,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 75 transitions. [2020-11-29 18:27:49,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2020-11-29 18:27:49,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-11-29 18:27:49,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 73 transitions. [2020-11-29 18:27:49,888 INFO L714 BuchiCegarLoop]: Abstraction has 65 states and 73 transitions. [2020-11-29 18:27:49,889 INFO L594 BuchiCegarLoop]: Abstraction has 65 states and 73 transitions. [2020-11-29 18:27:49,889 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-11-29 18:27:49,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 73 transitions. [2020-11-29 18:27:49,889 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 24 [2020-11-29 18:27:49,890 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:27:49,890 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:27:49,890 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 18:27:49,890 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:27:49,890 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 [2020-11-29 18:27:49,891 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~mem19;havoc test_fun_#t~mem7;havoc test_fun_#t~short14;havoc test_fun_#t~mem12;havoc test_fun_#t~short22;havoc test_fun_#t~short20;havoc test_fun_#t~short13;havoc test_fun_#t~mem16;havoc test_fun_#t~mem17;havoc test_fun_#t~mem6;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem21;havoc test_fun_#t~mem10;havoc test_fun_#t~mem15;havoc test_fun_#t~mem8;havoc test_fun_#t~mem11;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 [2020-11-29 18:27:49,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:49,891 INFO L82 PathProgramCache]: Analyzing trace with hash 889569323, now seen corresponding path program 1 times [2020-11-29 18:27:49,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:49,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371603721] [2020-11-29 18:27:49,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:49,903 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:49,926 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:49,930 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:27:49,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:49,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1252443473, now seen corresponding path program 1 times [2020-11-29 18:27:49,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:49,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359263283] [2020-11-29 18:27:49,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:49,947 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:49,957 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:49,960 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:27:49,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:49,961 INFO L82 PathProgramCache]: Analyzing trace with hash -166818107, now seen corresponding path program 1 times [2020-11-29 18:27:49,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:49,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190245738] [2020-11-29 18:27:49,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:27:50,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:27:50,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190245738] [2020-11-29 18:27:50,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:27:50,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 18:27:50,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991055243] [2020-11-29 18:27:50,503 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 97 [2020-11-29 18:27:50,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:27:50,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:27:50,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:27:50,577 INFO L87 Difference]: Start difference. First operand 65 states and 73 transitions. cyclomatic complexity: 12 Second operand 5 states. [2020-11-29 18:27:50,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:27:50,628 INFO L93 Difference]: Finished difference Result 61 states and 67 transitions. [2020-11-29 18:27:50,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:27:50,630 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 67 transitions. [2020-11-29 18:27:50,631 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2020-11-29 18:27:50,631 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 30 states and 31 transitions. [2020-11-29 18:27:50,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2020-11-29 18:27:50,632 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-11-29 18:27:50,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 31 transitions. [2020-11-29 18:27:50,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 18:27:50,632 INFO L691 BuchiCegarLoop]: Abstraction has 30 states and 31 transitions. [2020-11-29 18:27:50,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 31 transitions. [2020-11-29 18:27:50,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2020-11-29 18:27:50,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-29 18:27:50,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2020-11-29 18:27:50,634 INFO L714 BuchiCegarLoop]: Abstraction has 29 states and 30 transitions. [2020-11-29 18:27:50,634 INFO L594 BuchiCegarLoop]: Abstraction has 29 states and 30 transitions. [2020-11-29 18:27:50,634 INFO L427 BuchiCegarLoop]: ======== Iteration 9============ [2020-11-29 18:27:50,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 30 transitions. [2020-11-29 18:27:50,635 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2020-11-29 18:27:50,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:27:50,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:27:50,635 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:27:50,636 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:27:50,636 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~mem19;havoc test_fun_#t~mem7;havoc test_fun_#t~short14;havoc test_fun_#t~mem12;havoc test_fun_#t~short22;havoc test_fun_#t~short20;havoc test_fun_#t~short13;havoc test_fun_#t~mem16;havoc test_fun_#t~mem17;havoc test_fun_#t~mem6;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem21;havoc test_fun_#t~mem10;havoc test_fun_#t~mem15;havoc test_fun_#t~mem8;havoc test_fun_#t~mem11;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 [2020-11-29 18:27:50,636 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~mem19;havoc test_fun_#t~mem7;havoc test_fun_#t~short14;havoc test_fun_#t~mem12;havoc test_fun_#t~short22;havoc test_fun_#t~short20;havoc test_fun_#t~short13;havoc test_fun_#t~mem16;havoc test_fun_#t~mem17;havoc test_fun_#t~mem6;havoc test_fun_#t~short9;havoc test_fun_#t~short18;havoc test_fun_#t~mem21;havoc test_fun_#t~mem10;havoc test_fun_#t~mem15;havoc test_fun_#t~mem8;havoc test_fun_#t~mem11;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 [2020-11-29 18:27:50,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:50,636 INFO L82 PathProgramCache]: Analyzing trace with hash -403715764, now seen corresponding path program 2 times [2020-11-29 18:27:50,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:50,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722354715] [2020-11-29 18:27:50,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:50,664 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:50,680 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:50,685 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:27:50,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:50,686 INFO L82 PathProgramCache]: Analyzing trace with hash 261564103, now seen corresponding path program 3 times [2020-11-29 18:27:50,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:50,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637517272] [2020-11-29 18:27:50,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:50,694 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:50,724 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:50,727 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:27:50,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:50,727 INFO L82 PathProgramCache]: Analyzing trace with hash -399822692, now seen corresponding path program 1 times [2020-11-29 18:27:50,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:27:50,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478918609] [2020-11-29 18:27:50,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:27:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:50,747 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:27:50,767 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:27:50,774 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:27:51,136 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 88 [2020-11-29 18:27:53,780 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 245 DAG size of output: 172 [2020-11-29 18:27:54,347 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-11-29 18:27:54,351 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 18:27:54,351 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 18:27:54,352 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 18:27:54,352 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 18:27:54,352 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 18:27:54,352 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:54,352 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 18:27:54,352 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 18:27:54,352 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.06-alloca.i_Iteration9_Lasso [2020-11-29 18:27:54,352 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 18:27:54,352 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 18:27:54,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:54,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:56,015 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 124 DAG size of output: 107 [2020-11-29 18:27:56,567 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2020-11-29 18:27:56,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:56,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:56,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:56,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:56,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:56,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:56,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:27:56,910 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2020-11-29 18:27:57,705 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-11-29 18:27:57,894 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-11-29 18:27:58,072 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 18:27:58,073 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:58,077 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 [2020-11-29 18:27:58,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:58,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:58,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:58,080 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:58,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:58,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:58,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:58,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:58,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:58,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:58,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:58,137 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:58,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,163 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:58,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:58,165 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:58,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:58,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:58,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:58,191 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:58,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:58,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:58,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:58,216 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:58,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:58,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:58,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:58,241 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:58,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,267 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:58,267 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:58,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:58,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:58,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:58,297 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:58,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:58,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:58,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:58,321 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:58,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:58,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:58,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:58,348 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:58,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:58,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,372 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:58,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:58,373 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:58,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:58,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:58,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:58,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:58,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:58,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:58,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:58,434 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:58,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:58,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:58,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:58,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:58,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:58,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:58,497 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:58,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:58,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:58,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:58,530 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:58,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:58,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:58,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:58,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:58,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:58,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:58,592 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:58,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:58,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:58,619 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/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 [2020-11-29 18:27:58,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:27:58,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:27:58,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:27:58,643 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:27:58,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:58,673 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:58,673 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:58,681 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:58,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:27:58,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:27:58,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:27:58,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:27:58,710 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:58,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:27:58,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:27:58,734 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-11-29 18:27:58,734 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 18:27:58,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:27:58,776 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2020-11-29 18:27:58,776 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-29 18:27:58,845 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 18:27:58,936 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-11-29 18:27:58,936 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_946b596c-f9a5-4076-b334-524bd9694866/bin/uautomizer/z3 Starting monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:27:58,939 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:27:58,947 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2020-11-29 18:27:58,948 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 18:27:58,948 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 [] [2020-11-29 18:27:59,164 INFO L297 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2020-11-29 18:27:59,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 18:27:59,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:27:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:27:59,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:27:59,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:27:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:27:59,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 18:27:59,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:27:59,229 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:27:59,257 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:27:59,384 INFO L350 Elim1Store]: treesize reduction 26, result has 68.7 percent of original size [2020-11-29 18:27:59,385 INFO L384 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 [2020-11-29 18:27:59,387 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:59,387 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:59,389 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-29 18:27:59,390 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:59,391 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:59,392 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-11-29 18:27:59,394 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:59,395 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:59,397 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:59,398 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:59,399 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:59,400 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:59,402 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:59,403 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:59,405 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:59,406 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:59,407 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-11-29 18:27:59,408 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:59,409 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:59,411 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:59,412 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:59,414 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:27:59,415 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-29 18:27:59,451 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 [2020-11-29 18:27:59,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:27:59,451 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 [2020-11-29 18:27:59,452 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 30 transitions. cyclomatic complexity: 3 Second operand 7 states. [2020-11-29 18:27:59,551 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. [2020-11-29 18:27:59,552 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 [2020-11-29 18:27:59,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-29 18:27:59,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2020-11-29 18:27:59,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 16 letters. Loop has 11 letters. [2020-11-29 18:27:59,553 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:27:59,553 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 27 letters. Loop has 11 letters. [2020-11-29 18:27:59,553 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:27:59,553 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 16 letters. Loop has 22 letters. [2020-11-29 18:27:59,554 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:27:59,554 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 55 transitions. [2020-11-29 18:27:59,556 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 18:27:59,556 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 0 states and 0 transitions. [2020-11-29 18:27:59,556 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 18:27:59,556 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 18:27:59,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 18:27:59,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 18:27:59,556 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:27:59,556 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:27:59,556 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:27:59,556 INFO L427 BuchiCegarLoop]: ======== Iteration 10============ [2020-11-29 18:27:59,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:27:59,556 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 18:27:59,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 18:27:59,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 06:27:59 BoogieIcfgContainer [2020-11-29 18:27:59,563 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 18:27:59,563 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:27:59,563 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:27:59,570 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:27:59,570 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:27:34" (3/4) ... [2020-11-29 18:27:59,573 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 18:27:59,573 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:27:59,574 INFO L168 Benchmark]: Toolchain (without parser) took 25944.25 ms. Allocated memory was 77.6 MB in the beginning and 285.2 MB in the end (delta: 207.6 MB). Free memory was 43.7 MB in the beginning and 126.3 MB in the end (delta: -82.6 MB). Peak memory consumption was 125.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:27:59,575 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 77.6 MB. Free memory was 50.3 MB in the beginning and 50.2 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:27:59,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.29 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 43.6 MB in the beginning and 62.2 MB in the end (delta: -18.7 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-11-29 18:27:59,578 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.41 ms. Allocated memory is still 94.4 MB. Free memory was 62.2 MB in the beginning and 60.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:27:59,579 INFO L168 Benchmark]: Boogie Preprocessor took 58.04 ms. Allocated memory is still 94.4 MB. Free memory was 60.2 MB in the beginning and 59.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:27:59,579 INFO L168 Benchmark]: RCFGBuilder took 585.60 ms. Allocated memory is still 94.4 MB. Free memory was 58.8 MB in the beginning and 63.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:27:59,579 INFO L168 Benchmark]: BuchiAutomizer took 24717.59 ms. Allocated memory was 94.4 MB in the beginning and 285.2 MB in the end (delta: 190.8 MB). Free memory was 63.4 MB in the beginning and 126.3 MB in the end (delta: -62.9 MB). Peak memory consumption was 128.9 MB. Max. memory is 16.1 GB. [2020-11-29 18:27:59,580 INFO L168 Benchmark]: Witness Printer took 10.13 ms. Allocated memory is still 285.2 MB. Free memory is still 126.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:27:59,583 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 77.6 MB. Free memory was 50.3 MB in the beginning and 50.2 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 476.29 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 43.6 MB in the beginning and 62.2 MB in the end (delta: -18.7 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.41 ms. Allocated memory is still 94.4 MB. Free memory was 62.2 MB in the beginning and 60.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.04 ms. Allocated memory is still 94.4 MB. Free memory was 60.2 MB in the beginning and 59.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 585.60 ms. Allocated memory is still 94.4 MB. Free memory was 58.8 MB in the beginning and 63.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 24717.59 ms. Allocated memory was 94.4 MB in the beginning and 285.2 MB in the end (delta: 190.8 MB). Free memory was 63.4 MB in the beginning and 126.3 MB in the end (delta: -62.9 MB). Peak memory consumption was 128.9 MB. Max. memory is 16.1 GB. * Witness Printer took 10.13 ms. Allocated memory is still 285.2 MB. Free memory is still 126.3 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 24.6s and 10 iterations. TraceHistogramMax:2. Analysis of lassos took 21.4s. Construction of modules took 0.5s. Büchi inclusion checks took 2.4s. 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, 0.5s Time LassoAnalysisResults: nont0 unkn0 SFLI4 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital1102 mio100 ax102 hnf99 lsp95 ukn41 mio100 lsp31 div100 bol103 ite100 ukn100 eq176 hnf89 smp92 dnf187 smp82 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 217ms 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...