./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/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 72925b65ef321f719f00e79529e35268c3f3eaa3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 14:53:30,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 14:53:30,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 14:53:30,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 14:53:30,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 14:53:30,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 14:53:30,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 14:53:30,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 14:53:30,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 14:53:30,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 14:53:30,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 14:53:30,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 14:53:30,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 14:53:30,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 14:53:30,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 14:53:30,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 14:53:30,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 14:53:30,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 14:53:30,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 14:53:30,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 14:53:30,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 14:53:30,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 14:53:30,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 14:53:30,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 14:53:30,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 14:53:30,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 14:53:30,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 14:53:30,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 14:53:30,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 14:53:30,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 14:53:30,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 14:53:30,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 14:53:30,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 14:53:30,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 14:53:30,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 14:53:30,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 14:53:30,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 14:53:30,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 14:53:30,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 14:53:30,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 14:53:30,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 14:53:30,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-12-01 14:53:30,324 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 14:53:30,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 14:53:30,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 14:53:30,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 14:53:30,326 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 14:53:30,326 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 14:53:30,326 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 14:53:30,327 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 14:53:30,327 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 14:53:30,327 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 14:53:30,327 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 14:53:30,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 14:53:30,328 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 14:53:30,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 14:53:30,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 14:53:30,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 14:53:30,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 14:53:30,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 14:53:30,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 14:53:30,329 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 14:53:30,329 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 14:53:30,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 14:53:30,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 14:53:30,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 14:53:30,330 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 14:53:30,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 14:53:30,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 14:53:30,331 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 14:53:30,331 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 14:53:30,332 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 14:53:30,333 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_b6f032b1-5763-4936-87f0-370e8865a3b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72925b65ef321f719f00e79529e35268c3f3eaa3 [2020-12-01 14:53:30,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 14:53:30,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 14:53:30,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 14:53:30,664 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 14:53:30,665 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 14:53:30,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i [2020-12-01 14:53:30,748 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/data/619f9e3d1/29ee65efdb384b04a7459b89e00371b8/FLAGfd6dd2d84 [2020-12-01 14:53:31,365 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 14:53:31,365 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i [2020-12-01 14:53:31,381 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/data/619f9e3d1/29ee65efdb384b04a7459b89e00371b8/FLAGfd6dd2d84 [2020-12-01 14:53:31,672 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/data/619f9e3d1/29ee65efdb384b04a7459b89e00371b8 [2020-12-01 14:53:31,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 14:53:31,677 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 14:53:31,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 14:53:31,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 14:53:31,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 14:53:31,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:53:31" (1/1) ... [2020-12-01 14:53:31,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f1e379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:31, skipping insertion in model container [2020-12-01 14:53:31,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:53:31" (1/1) ... [2020-12-01 14:53:31,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 14:53:31,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 14:53:32,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:53:32,050 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 14:53:32,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:53:32,148 INFO L208 MainTranslator]: Completed translation [2020-12-01 14:53:32,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:32 WrapperNode [2020-12-01 14:53:32,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 14:53:32,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 14:53:32,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 14:53:32,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 14:53:32,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:32" (1/1) ... [2020-12-01 14:53:32,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:32" (1/1) ... [2020-12-01 14:53:32,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 14:53:32,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 14:53:32,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 14:53:32,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 14:53:32,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:32" (1/1) ... [2020-12-01 14:53:32,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:32" (1/1) ... [2020-12-01 14:53:32,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:32" (1/1) ... [2020-12-01 14:53:32,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:32" (1/1) ... [2020-12-01 14:53:32,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:32" (1/1) ... [2020-12-01 14:53:32,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:32" (1/1) ... [2020-12-01 14:53:32,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:32" (1/1) ... [2020-12-01 14:53:32,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 14:53:32,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 14:53:32,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 14:53:32,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 14:53:32,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 14:53:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 14:53:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 14:53:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 14:53:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 14:53:32,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 14:53:32,732 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 14:53:32,732 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 14:53:32,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:53:32 BoogieIcfgContainer [2020-12-01 14:53:32,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 14:53:32,736 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 14:53:32,736 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 14:53:32,740 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 14:53:32,741 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 14:53:32,741 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 02:53:31" (1/3) ... [2020-12-01 14:53:32,744 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a7f3e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 02:53:32, skipping insertion in model container [2020-12-01 14:53:32,744 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 14:53:32,744 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:53:32" (2/3) ... [2020-12-01 14:53:32,745 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a7f3e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 02:53:32, skipping insertion in model container [2020-12-01 14:53:32,745 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 14:53:32,745 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:53:32" (3/3) ... [2020-12-01 14:53:32,747 INFO L389 chiAutomizerObserver]: Analyzing ICFG b.13-alloca.i [2020-12-01 14:53:32,845 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 14:53:32,845 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 14:53:32,846 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 14:53:32,846 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 14:53:32,846 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 14:53:32,846 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 14:53:32,846 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 14:53:32,846 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 14:53:32,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-12-01 14:53:32,914 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-12-01 14:53:32,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:53:32,914 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:53:32,924 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-12-01 14:53:32,924 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-12-01 14:53:32,924 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 14:53:32,924 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-12-01 14:53:32,928 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-12-01 14:53:32,929 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:53:32,929 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:53:32,929 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-12-01 14:53:32,930 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-12-01 14:53:32,939 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;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~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, 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); 14#L561-2true [2020-12-01 14:53:32,940 INFO L796 eck$LassoCheckResult]: Loop: 14#L561-2true call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 8#L557-1true assume test_fun_#t~short10; 12#L557-3true assume !!test_fun_#t~short10;havoc test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 4#L558true assume test_fun_#t~mem11 > test_fun_#t~mem12;havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem13 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem13; 14#L561-2true [2020-12-01 14:53:32,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:32,962 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-12-01 14:53:32,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:32,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261557987] [2020-12-01 14:53:32,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:33,193 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:33,276 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:33,300 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:33,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:33,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 1 times [2020-12-01 14:53:33,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:33,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582397141] [2020-12-01 14:53:33,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:33,317 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:33,329 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:33,333 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:33,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:33,335 INFO L82 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2020-12-01 14:53:33,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:33,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282791193] [2020-12-01 14:53:33,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:33,438 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:33,503 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:33,512 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:33,720 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-12-01 14:53:34,589 WARN L197 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 100 [2020-12-01 14:53:34,957 WARN L197 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-12-01 14:53:34,989 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 14:53:34,990 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 14:53:34,990 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 14:53:34,998 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 14:53:34,998 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 14:53:34,998 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:34,999 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 14:53:34,999 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 14:53:34,999 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13-alloca.i_Iteration1_Lasso [2020-12-01 14:53:35,000 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 14:53:35,000 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 14:53:35,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:35,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:35,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:35,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:35,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:35,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:35,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:35,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:35,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:35,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:35,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:35,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:35,849 WARN L197 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89 [2020-12-01 14:53:36,012 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-12-01 14:53:36,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:36,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:36,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:36,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:36,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:36,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:36,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:36,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:36,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:36,798 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 14:53:36,803 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 14:53:36,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:36,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:36,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:36,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:36,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:36,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:36,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:36,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:36,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 14:53:36,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:36,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:36,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:36,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:36,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:36,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:36,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:36,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:36,908 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:36,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:36,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:36,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:36,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:36,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:36,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:36,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:36,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:36,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:36,990 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 [2020-12-01 14:53:36,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:36,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:36,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:36,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:36,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:36,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:36,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:37,019 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:37,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:37,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:37,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:37,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:37,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:37,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:37,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:37,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:37,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 14:53:37,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:37,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:37,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:37,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:37,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:37,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:37,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:37,167 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:37,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:37,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:37,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:37,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:37,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:37,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:37,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:37,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:37,207 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:37,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:37,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:37,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:37,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:37,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:37,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:37,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:37,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:37,237 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/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 [2020-12-01 14:53:37,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:37,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:37,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:37,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:37,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:37,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:37,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:37,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:37,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:37,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:37,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:37,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:37,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:37,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:37,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:37,335 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:37,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:37,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:37,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:37,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:37,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:37,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:37,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:37,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:37,383 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:37,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:37,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:37,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:37,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:37,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:37,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:37,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:37,435 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:37,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:37,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:37,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:37,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:37,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:37,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:37,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:37,498 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 14:53:37,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:37,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:37,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:37,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:37,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:37,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:37,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:37,562 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:37,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:37,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:37,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:37,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:37,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:37,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:37,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:37,627 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:37,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:37,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:37,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:37,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:37,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:37,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:37,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:37,685 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:37,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:37,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:37,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:37,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:37,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:37,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:37,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:37,743 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:37,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:37,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:37,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:37,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:37,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:37,769 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:37,769 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:37,801 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:37,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:37,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:37,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:37,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:37,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:37,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:37,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:37,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:37,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:37,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:37,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:37,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:37,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:37,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:37,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:37,916 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:37,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:37,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:37,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:37,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:37,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:37,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:37,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:37,979 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 14:53:38,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:38,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:38,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:38,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:38,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:38,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:38,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:38,039 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:38,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:38,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:38,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:38,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:38,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:38,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:38,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:38,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:38,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:38,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:38,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:38,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:38,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:38,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:38,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:38,153 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 14:53:38,204 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2020-12-01 14:53:38,204 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 14:53:38,225 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:38,243 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-12-01 14:53:38,244 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 14:53:38,244 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1, ULTIMATE.start_test_fun_~z) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 - 1*ULTIMATE.start_test_fun_~z Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1 - 1*ULTIMATE.start_test_fun_~z >= 0] [2020-12-01 14:53:38,567 INFO L297 tatePredicateManager]: 36 out of 37 supporting invariants were superfluous and have been removed [2020-12-01 14:53:38,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 14:53:38,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:53:38,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 14:53:38,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:53:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:53:38,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 14:53:38,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:53:38,730 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 14:53:38,749 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 14:53:38,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:53:38,853 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-12-01 14:53:38,855 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 4 states. [2020-12-01 14:53:39,067 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 4 states. Result 60 states and 78 transitions. Complement of second has 10 states. [2020-12-01 14:53:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-12-01 14:53:39,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-12-01 14:53:39,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 33 transitions. [2020-12-01 14:53:39,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 2 letters. Loop has 4 letters. [2020-12-01 14:53:39,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:53:39,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 6 letters. Loop has 4 letters. [2020-12-01 14:53:39,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:53:39,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 2 letters. Loop has 8 letters. [2020-12-01 14:53:39,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:53:39,075 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 78 transitions. [2020-12-01 14:53:39,079 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2020-12-01 14:53:39,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 30 states and 44 transitions. [2020-12-01 14:53:39,085 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2020-12-01 14:53:39,085 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2020-12-01 14:53:39,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 44 transitions. [2020-12-01 14:53:39,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 14:53:39,086 INFO L692 BuchiCegarLoop]: Abstraction has 30 states and 44 transitions. [2020-12-01 14:53:39,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 44 transitions. [2020-12-01 14:53:39,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2020-12-01 14:53:39,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-01 14:53:39,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 42 transitions. [2020-12-01 14:53:39,117 INFO L715 BuchiCegarLoop]: Abstraction has 29 states and 42 transitions. [2020-12-01 14:53:39,117 INFO L595 BuchiCegarLoop]: Abstraction has 29 states and 42 transitions. [2020-12-01 14:53:39,117 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-12-01 14:53:39,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 42 transitions. [2020-12-01 14:53:39,119 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2020-12-01 14:53:39,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:53:39,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:53:39,119 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-12-01 14:53:39,119 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-12-01 14:53:39,119 INFO L794 eck$LassoCheckResult]: Stem: 281#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 275#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;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~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, 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); 276#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 293#L557-1 [2020-12-01 14:53:39,120 INFO L796 eck$LassoCheckResult]: Loop: 293#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 290#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 291#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 286#L561 assume !(test_fun_#t~mem14 > test_fun_#t~mem15);havoc test_fun_#t~mem15;havoc test_fun_#t~mem14; 288#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 293#L557-1 [2020-12-01 14:53:39,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:39,120 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-12-01 14:53:39,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:39,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851885563] [2020-12-01 14:53:39,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:39,170 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:39,210 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:39,223 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:39,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:39,226 INFO L82 PathProgramCache]: Analyzing trace with hash 40270619, now seen corresponding path program 1 times [2020-12-01 14:53:39,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:39,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958413455] [2020-12-01 14:53:39,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:53:39,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:53:39,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958413455] [2020-12-01 14:53:39,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:53:39,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 14:53:39,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198505721] [2020-12-01 14:53:39,326 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-12-01 14:53:39,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:53:39,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 14:53:39,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:53:39,334 INFO L87 Difference]: Start difference. First operand 29 states and 42 transitions. cyclomatic complexity: 17 Second operand 5 states. [2020-12-01 14:53:39,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:53:39,405 INFO L93 Difference]: Finished difference Result 36 states and 48 transitions. [2020-12-01 14:53:39,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 14:53:39,406 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 48 transitions. [2020-12-01 14:53:39,419 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2020-12-01 14:53:39,423 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 32 states and 44 transitions. [2020-12-01 14:53:39,423 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2020-12-01 14:53:39,423 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2020-12-01 14:53:39,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 44 transitions. [2020-12-01 14:53:39,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 14:53:39,424 INFO L692 BuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2020-12-01 14:53:39,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 44 transitions. [2020-12-01 14:53:39,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 28. [2020-12-01 14:53:39,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-12-01 14:53:39,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 39 transitions. [2020-12-01 14:53:39,427 INFO L715 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2020-12-01 14:53:39,428 INFO L595 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2020-12-01 14:53:39,428 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-12-01 14:53:39,428 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 39 transitions. [2020-12-01 14:53:39,429 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2020-12-01 14:53:39,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:53:39,429 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:53:39,429 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-12-01 14:53:39,430 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-12-01 14:53:39,430 INFO L794 eck$LassoCheckResult]: Stem: 356#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 350#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;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~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, 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); 351#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 369#L557-1 assume test_fun_#t~short10; 374#L557-3 [2020-12-01 14:53:39,430 INFO L796 eck$LassoCheckResult]: Loop: 374#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 371#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 372#L561 assume !(test_fun_#t~mem14 > test_fun_#t~mem15);havoc test_fun_#t~mem15;havoc test_fun_#t~mem14; 377#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 376#L557-1 assume test_fun_#t~short10; 374#L557-3 [2020-12-01 14:53:39,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:39,430 INFO L82 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2020-12-01 14:53:39,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:39,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353234998] [2020-12-01 14:53:39,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:39,499 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:39,545 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:39,550 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:39,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:39,551 INFO L82 PathProgramCache]: Analyzing trace with hash 45964857, now seen corresponding path program 1 times [2020-12-01 14:53:39,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:39,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096198461] [2020-12-01 14:53:39,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:53:39,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:53:39,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096198461] [2020-12-01 14:53:39,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:53:39,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 14:53:39,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319943011] [2020-12-01 14:53:39,604 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-12-01 14:53:39,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:53:39,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 14:53:39,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:53:39,610 INFO L87 Difference]: Start difference. First operand 28 states and 39 transitions. cyclomatic complexity: 14 Second operand 5 states. [2020-12-01 14:53:39,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:53:39,699 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2020-12-01 14:53:39,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 14:53:39,700 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 40 transitions. [2020-12-01 14:53:39,703 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2020-12-01 14:53:39,705 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 27 states and 35 transitions. [2020-12-01 14:53:39,705 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2020-12-01 14:53:39,706 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2020-12-01 14:53:39,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2020-12-01 14:53:39,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 14:53:39,706 INFO L692 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-12-01 14:53:39,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2020-12-01 14:53:39,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 22. [2020-12-01 14:53:39,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-12-01 14:53:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 29 transitions. [2020-12-01 14:53:39,712 INFO L715 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2020-12-01 14:53:39,713 INFO L595 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2020-12-01 14:53:39,713 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-12-01 14:53:39,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 29 transitions. [2020-12-01 14:53:39,718 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2020-12-01 14:53:39,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:53:39,719 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:53:39,719 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-12-01 14:53:39,719 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-12-01 14:53:39,719 INFO L794 eck$LassoCheckResult]: Stem: 428#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 422#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;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~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, 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); 423#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 437#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 443#L557-3 [2020-12-01 14:53:39,720 INFO L796 eck$LassoCheckResult]: Loop: 443#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 439#L558 assume test_fun_#t~mem11 > test_fun_#t~mem12;havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem13 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem13; 434#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 442#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 443#L557-3 [2020-12-01 14:53:39,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:39,720 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-12-01 14:53:39,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:39,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873485437] [2020-12-01 14:53:39,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:39,760 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:39,792 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:39,797 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:39,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:39,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1480169, now seen corresponding path program 1 times [2020-12-01 14:53:39,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:39,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002660085] [2020-12-01 14:53:39,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:39,826 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:39,833 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:39,840 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:39,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:39,841 INFO L82 PathProgramCache]: Analyzing trace with hash 179595856, now seen corresponding path program 1 times [2020-12-01 14:53:39,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:39,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741802053] [2020-12-01 14:53:39,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:53:39,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:53:39,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741802053] [2020-12-01 14:53:39,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:53:39,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 14:53:39,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79770593] [2020-12-01 14:53:40,147 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2020-12-01 14:53:40,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:53:40,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 14:53:40,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:53:40,253 INFO L87 Difference]: Start difference. First operand 22 states and 29 transitions. cyclomatic complexity: 9 Second operand 5 states. [2020-12-01 14:53:40,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:53:40,313 INFO L93 Difference]: Finished difference Result 22 states and 28 transitions. [2020-12-01 14:53:40,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 14:53:40,314 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2020-12-01 14:53:40,314 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2020-12-01 14:53:40,316 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 28 transitions. [2020-12-01 14:53:40,316 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2020-12-01 14:53:40,316 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2020-12-01 14:53:40,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2020-12-01 14:53:40,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 14:53:40,316 INFO L692 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2020-12-01 14:53:40,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2020-12-01 14:53:40,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2020-12-01 14:53:40,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-12-01 14:53:40,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2020-12-01 14:53:40,321 INFO L715 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2020-12-01 14:53:40,321 INFO L595 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2020-12-01 14:53:40,321 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-12-01 14:53:40,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2020-12-01 14:53:40,321 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2020-12-01 14:53:40,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:53:40,322 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:53:40,322 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-12-01 14:53:40,322 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-12-01 14:53:40,322 INFO L794 eck$LassoCheckResult]: Stem: 484#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 478#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;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~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, 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); 479#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 493#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 486#L557-3 [2020-12-01 14:53:40,322 INFO L796 eck$LassoCheckResult]: Loop: 486#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 491#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 489#L561 assume test_fun_#t~mem14 > test_fun_#t~mem15;havoc test_fun_#t~mem15;havoc test_fun_#t~mem14;call test_fun_#t~mem16 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem16 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem16; 490#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 496#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 486#L557-3 [2020-12-01 14:53:40,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:40,323 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 2 times [2020-12-01 14:53:40,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:40,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350170146] [2020-12-01 14:53:40,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:40,340 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:40,355 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:40,364 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:40,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:40,365 INFO L82 PathProgramCache]: Analyzing trace with hash 45962937, now seen corresponding path program 1 times [2020-12-01 14:53:40,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:40,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705773252] [2020-12-01 14:53:40,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:40,395 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:40,410 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:40,422 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:40,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:40,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1272581938, now seen corresponding path program 1 times [2020-12-01 14:53:40,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:40,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018478627] [2020-12-01 14:53:40,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:40,464 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:40,493 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:40,500 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:40,758 WARN L197 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2020-12-01 14:53:41,755 WARN L197 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2020-12-01 14:53:42,112 WARN L197 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-12-01 14:53:42,116 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 14:53:42,116 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 14:53:42,116 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 14:53:42,116 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 14:53:42,116 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 14:53:42,116 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:42,117 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 14:53:42,117 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 14:53:42,117 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13-alloca.i_Iteration5_Lasso [2020-12-01 14:53:42,117 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 14:53:42,117 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 14:53:42,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:42,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:42,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:42,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:42,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:42,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:42,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:44,003 WARN L197 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 119 DAG size of output: 102 [2020-12-01 14:53:44,390 WARN L197 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2020-12-01 14:53:44,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:44,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:44,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:44,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:44,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:44,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:44,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:44,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:44,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:44,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:44,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:53:44,963 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2020-12-01 14:53:45,903 WARN L197 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-12-01 14:53:46,164 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-12-01 14:53:46,236 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 14:53:46,236 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/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 [2020-12-01 14:53:46,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:46,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:46,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:46,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:46,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:46,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:46,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:46,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:46,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:46,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:46,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:46,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:46,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:46,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:46,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:46,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:46,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:46,286 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:46,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:46,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:46,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:46,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:46,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:46,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:46,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:46,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:46,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/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 [2020-12-01 14:53:46,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:46,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:46,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:46,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:46,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:46,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:46,353 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:46,359 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:46,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:46,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:46,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:53:46,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:46,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:46,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:46,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:53:46,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:53:46,406 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:46,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:46,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:46,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:46,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:46,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:46,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:46,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:46,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 14:53:46,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:46,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:46,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:46,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:46,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:46,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:46,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:46,531 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:46,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:46,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:46,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:46,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:46,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:46,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:46,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:46,598 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:46,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:46,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:46,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:46,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:46,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:46,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:46,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:46,643 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/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) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:46,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:46,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:46,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:46,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:46,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:46,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:46,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:46,677 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:46,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:46,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:46,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:46,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:46,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:46,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:46,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:46,731 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:46,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:46,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:46,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:46,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:46,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:46,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:46,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:46,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/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) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:46,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:46,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:46,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:46,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:46,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:46,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:46,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:46,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:46,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:53:46,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:46,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:53:46,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:53:46,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:46,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:53:46,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:53:46,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 14:53:46,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:46,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:53:46,921 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-12-01 14:53:46,921 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-12-01 14:53:46,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:53:46,976 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2020-12-01 14:53:46,976 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-12-01 14:53:47,084 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 14:53:47,230 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-12-01 14:53:47,230 INFO L444 ModelExtractionUtils]: 51 out of 91 variables were initially zero. Simplification set additionally 37 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 14:53:47,233 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:53:47,237 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2020-12-01 14:53:47,237 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 14:53:47,237 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, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_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 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_2 Supporting invariants [] [2020-12-01 14:53:47,458 INFO L297 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2020-12-01 14:53:47,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 14:53:47,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 14:53:47,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:53:47,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 14:53:47,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:53:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:53:47,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 14:53:47,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:53:47,863 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-12-01 14:53:47,863 INFO L348 Elim1Store]: treesize reduction 12, result has 88.3 percent of original size [2020-12-01 14:53:47,864 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 111 [2020-12-01 14:53:47,878 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 14:53:47,881 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 14:53:47,883 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 14:53:47,896 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-01 14:53:47,901 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 14:53:47,913 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-01 14:53:47,923 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 14:53:48,024 INFO L625 ElimStorePlain]: treesize reduction 99, result has 36.9 percent of original size [2020-12-01 14:53:48,029 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 14:53:48,035 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-01 14:53:48,036 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:53, output treesize:58 [2020-12-01 14:53:48,039 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 14:53:48,103 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 14:53:48,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:53:48,192 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2020-12-01 14:53:48,192 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8 Second operand 5 states. [2020-12-01 14:53:48,265 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8. Second operand 5 states. Result 48 states and 62 transitions. Complement of second has 9 states. [2020-12-01 14:53:48,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-12-01 14:53:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-12-01 14:53:48,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2020-12-01 14:53:48,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 4 letters. Loop has 5 letters. [2020-12-01 14:53:48,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:53:48,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 9 letters. Loop has 5 letters. [2020-12-01 14:53:48,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:53:48,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 4 letters. Loop has 10 letters. [2020-12-01 14:53:48,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:53:48,272 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 62 transitions. [2020-12-01 14:53:48,276 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2020-12-01 14:53:48,279 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 41 states and 53 transitions. [2020-12-01 14:53:48,280 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2020-12-01 14:53:48,280 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2020-12-01 14:53:48,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 53 transitions. [2020-12-01 14:53:48,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 14:53:48,281 INFO L692 BuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2020-12-01 14:53:48,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 53 transitions. [2020-12-01 14:53:48,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-12-01 14:53:48,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-12-01 14:53:48,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 53 transitions. [2020-12-01 14:53:48,290 INFO L715 BuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2020-12-01 14:53:48,291 INFO L595 BuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2020-12-01 14:53:48,291 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-12-01 14:53:48,291 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 53 transitions. [2020-12-01 14:53:48,292 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2020-12-01 14:53:48,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:53:48,292 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:53:48,293 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-12-01 14:53:48,293 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-12-01 14:53:48,294 INFO L794 eck$LassoCheckResult]: Stem: 756#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 750#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;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~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, 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); 751#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 778#L557-1 assume test_fun_#t~short10; 786#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 784#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 782#L561 [2020-12-01 14:53:48,294 INFO L796 eck$LassoCheckResult]: Loop: 782#L561 assume test_fun_#t~mem14 > test_fun_#t~mem15;havoc test_fun_#t~mem15;havoc test_fun_#t~mem14;call test_fun_#t~mem16 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem16 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem16; 781#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 785#L557-1 assume test_fun_#t~short10; 783#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 780#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 782#L561 [2020-12-01 14:53:48,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:48,295 INFO L82 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 1 times [2020-12-01 14:53:48,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:48,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376527188] [2020-12-01 14:53:48,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:53:48,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:53:48,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376527188] [2020-12-01 14:53:48,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:53:48,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 14:53:48,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136695158] [2020-12-01 14:53:48,363 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-12-01 14:53:48,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:48,364 INFO L82 PathProgramCache]: Analyzing trace with hash 52859425, now seen corresponding path program 1 times [2020-12-01 14:53:48,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:48,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395253263] [2020-12-01 14:53:48,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:53:48,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:53:48,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395253263] [2020-12-01 14:53:48,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:53:48,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 14:53:48,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32351716] [2020-12-01 14:53:48,421 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-12-01 14:53:48,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:53:48,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 14:53:48,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:53:48,422 INFO L87 Difference]: Start difference. First operand 41 states and 53 transitions. cyclomatic complexity: 16 Second operand 5 states. [2020-12-01 14:53:48,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:53:48,484 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2020-12-01 14:53:48,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 14:53:48,485 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 32 transitions. [2020-12-01 14:53:48,487 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-12-01 14:53:48,488 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 24 states and 28 transitions. [2020-12-01 14:53:48,488 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2020-12-01 14:53:48,488 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2020-12-01 14:53:48,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 28 transitions. [2020-12-01 14:53:48,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 14:53:48,488 INFO L692 BuchiCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-12-01 14:53:48,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 28 transitions. [2020-12-01 14:53:48,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2020-12-01 14:53:48,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-12-01 14:53:48,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2020-12-01 14:53:48,491 INFO L715 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-12-01 14:53:48,491 INFO L595 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-12-01 14:53:48,491 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-12-01 14:53:48,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 26 transitions. [2020-12-01 14:53:48,493 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-12-01 14:53:48,493 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:53:48,493 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:53:48,494 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:53:48,494 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-12-01 14:53:48,494 INFO L794 eck$LassoCheckResult]: Stem: 838#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 832#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;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~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, 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); 833#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 853#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 851#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 848#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 844#L561 assume test_fun_#t~mem14 > test_fun_#t~mem15;havoc test_fun_#t~mem15;havoc test_fun_#t~mem14;call test_fun_#t~mem16 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem16 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem16; 845#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 839#L557-1 assume test_fun_#t~short10; 840#L557-3 [2020-12-01 14:53:48,494 INFO L796 eck$LassoCheckResult]: Loop: 840#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 834#L558 assume test_fun_#t~mem11 > test_fun_#t~mem12;havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem13 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem13; 835#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 846#L557-1 assume test_fun_#t~short10; 840#L557-3 [2020-12-01 14:53:48,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:48,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1272581936, now seen corresponding path program 1 times [2020-12-01 14:53:48,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:48,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982699050] [2020-12-01 14:53:48,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:53:48,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:53:48,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982699050] [2020-12-01 14:53:48,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760717119] [2020-12-01 14:53:48,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6f032b1-5763-4936-87f0-370e8865a3b4/bin/uautomizer/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 14:53:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:53:48,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 14:53:48,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:53:48,722 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 14:53:48,722 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2020-12-01 14:53:48,733 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 14:53:48,741 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 14:53:48,742 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-01 14:53:48,742 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:13 [2020-12-01 14:53:48,776 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 14:53:48,779 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 14:53:48,888 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2020-12-01 14:53:48,891 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 14:53:48,903 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 14:53:48,905 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 14:53:48,905 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:41, output treesize:16 [2020-12-01 14:53:48,935 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 14:53:48,939 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 14:53:48,942 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 14:53:48,947 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 14:53:48,949 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 14:53:48,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:53:48,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 14:53:48,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2020-12-01 14:53:48,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210245990] [2020-12-01 14:53:48,958 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-12-01 14:53:48,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:53:48,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1480167, now seen corresponding path program 2 times [2020-12-01 14:53:48,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:53:48,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355442741] [2020-12-01 14:53:48,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:53:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:48,979 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:53:48,986 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:53:48,989 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:53:49,097 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-12-01 14:53:49,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:53:49,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-01 14:53:49,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-12-01 14:53:49,144 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. cyclomatic complexity: 7 Second operand 11 states. [2020-12-01 14:53:49,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:53:49,238 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2020-12-01 14:53:49,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 14:53:49,239 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2020-12-01 14:53:49,240 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 14:53:49,240 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2020-12-01 14:53:49,241 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-12-01 14:53:49,241 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-12-01 14:53:49,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-12-01 14:53:49,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 14:53:49,241 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 14:53:49,241 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 14:53:49,242 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 14:53:49,242 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-12-01 14:53:49,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-12-01 14:53:49,242 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 14:53:49,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-12-01 14:53:49,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 02:53:49 BoogieIcfgContainer [2020-12-01 14:53:49,250 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-12-01 14:53:49,253 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 14:53:49,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 14:53:49,254 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 14:53:49,254 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:53:32" (3/4) ... [2020-12-01 14:53:49,265 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 14:53:49,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 14:53:49,266 INFO L168 Benchmark]: Toolchain (without parser) took 17589.22 ms. Allocated memory was 86.0 MB in the beginning and 226.5 MB in the end (delta: 140.5 MB). Free memory was 56.0 MB in the beginning and 78.3 MB in the end (delta: -22.3 MB). Peak memory consumption was 118.5 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:49,267 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 86.0 MB. Free memory is still 55.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:53:49,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 463.94 ms. Allocated memory is still 86.0 MB. Free memory was 55.7 MB in the beginning and 36.0 MB in the end (delta: 19.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:49,268 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.20 ms. Allocated memory is still 86.0 MB. Free memory was 36.0 MB in the beginning and 34.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:49,268 INFO L168 Benchmark]: Boogie Preprocessor took 28.82 ms. Allocated memory is still 86.0 MB. Free memory was 34.3 MB in the beginning and 33.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:49,269 INFO L168 Benchmark]: RCFGBuilder took 503.10 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 33.0 MB in the beginning and 70.2 MB in the end (delta: -37.2 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:49,269 INFO L168 Benchmark]: BuchiAutomizer took 16514.47 ms. Allocated memory was 104.9 MB in the beginning and 226.5 MB in the end (delta: 121.6 MB). Free memory was 69.7 MB in the beginning and 79.3 MB in the end (delta: -9.6 MB). Peak memory consumption was 111.9 MB. Max. memory is 16.1 GB. [2020-12-01 14:53:49,270 INFO L168 Benchmark]: Witness Printer took 12.57 ms. Allocated memory is still 226.5 MB. Free memory was 79.3 MB in the beginning and 78.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:53:49,272 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 86.0 MB. Free memory is still 55.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 463.94 ms. Allocated memory is still 86.0 MB. Free memory was 55.7 MB in the beginning and 36.0 MB in the end (delta: 19.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.20 ms. Allocated memory is still 86.0 MB. Free memory was 36.0 MB in the beginning and 34.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.82 ms. Allocated memory is still 86.0 MB. Free memory was 34.3 MB in the beginning and 33.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 503.10 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 33.0 MB in the beginning and 70.2 MB in the end (delta: -37.2 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 16514.47 ms. Allocated memory was 104.9 MB in the beginning and 226.5 MB in the end (delta: 121.6 MB). Free memory was 69.7 MB in the beginning and 79.3 MB in the end (delta: -9.6 MB). Peak memory consumption was 111.9 MB. Max. memory is 16.1 GB. * Witness Printer took 12.57 ms. Allocated memory is still 226.5 MB. Free memory was 79.3 MB in the beginning and 78.3 MB in the end (delta: 1.0 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 7 terminating modules (5 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] + -1 * z and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] + -1 * unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. 5 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.4s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 14.4s. Construction of modules took 0.3s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 14 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 41 states and ocurred in iteration 5. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 49 SDtfs, 54 SDslu, 49 SDs, 0 SdLazy, 192 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU1 SILI1 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital406 mio100 ax104 hnf100 lsp94 ukn70 mio100 lsp29 div100 bol104 ite100 ukn100 eq187 hnf88 smp97 dnf231 smp73 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 323ms VariablesStem: 17 VariablesLoop: 12 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...