./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/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 18b42b65120149c30866fbc5b5479df029781f63 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:03:12,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:03:12,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:03:12,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:03:12,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:03:12,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:03:12,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:03:12,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:03:12,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:03:12,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:03:12,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:03:12,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:03:12,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:03:12,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:03:12,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:03:12,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:03:12,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:03:12,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:03:12,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:03:12,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:03:12,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:03:12,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:03:12,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:03:12,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:03:12,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:03:12,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:03:12,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:03:12,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:03:12,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:03:12,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:03:12,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:03:12,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:03:12,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:03:12,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:03:12,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:03:12,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:03:12,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:03:12,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:03:12,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:03:12,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:03:12,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:03:12,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:03:12,477 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:03:12,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:03:12,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:03:12,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:03:12,486 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:03:12,487 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:03:12,487 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:03:12,488 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:03:12,488 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:03:12,489 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:03:12,489 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:03:12,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:03:12,490 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:03:12,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:03:12,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:03:12,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:03:12,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:03:12,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:03:12,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:03:12,495 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:03:12,495 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:03:12,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:03:12,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:03:12,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:03:12,497 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:03:12,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:03:12,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:03:12,498 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:03:12,498 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:03:12,501 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:03:12,503 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_ab3caee4-69f9-4668-af88-4d5b4801b0f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18b42b65120149c30866fbc5b5479df029781f63 [2020-11-28 03:03:12,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:03:12,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:03:12,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:03:12,841 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:03:12,845 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:03:12,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i [2020-11-28 03:03:12,923 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/data/d14976646/75c9602e76f1424aa711e5cf090981aa/FLAG39d81a483 [2020-11-28 03:03:13,430 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:03:13,430 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i [2020-11-28 03:03:13,436 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/data/d14976646/75c9602e76f1424aa711e5cf090981aa/FLAG39d81a483 [2020-11-28 03:03:13,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/data/d14976646/75c9602e76f1424aa711e5cf090981aa [2020-11-28 03:03:13,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:03:13,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:03:13,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:13,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:03:13,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:03:13,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:13" (1/1) ... [2020-11-28 03:03:13,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e4da72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:13, skipping insertion in model container [2020-11-28 03:03:13,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:13" (1/1) ... [2020-11-28 03:03:13,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:03:13,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:03:13,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:13,981 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:03:14,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:14,034 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:03:14,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:14 WrapperNode [2020-11-28 03:03:14,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:14,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:14,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:03:14,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:03:14,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:14" (1/1) ... [2020-11-28 03:03:14,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:14" (1/1) ... [2020-11-28 03:03:14,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:14,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:03:14,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:03:14,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:03:14,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:14" (1/1) ... [2020-11-28 03:03:14,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:14" (1/1) ... [2020-11-28 03:03:14,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:14" (1/1) ... [2020-11-28 03:03:14,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:14" (1/1) ... [2020-11-28 03:03:14,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:14" (1/1) ... [2020-11-28 03:03:14,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:14" (1/1) ... [2020-11-28 03:03:14,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:14" (1/1) ... [2020-11-28 03:03:14,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:03:14,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:03:14,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:03:14,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:03:14,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:03:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2020-11-28 03:03:14,219 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2020-11-28 03:03:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 03:03:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:03:14,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:03:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:03:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:03:14,677 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:03:14,678 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 03:03:14,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:14 BoogieIcfgContainer [2020-11-28 03:03:14,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:03:14,681 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:03:14,695 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:03:14,707 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:03:14,708 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:03:14,708 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:03:13" (1/3) ... [2020-11-28 03:03:14,709 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73387bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:03:14, skipping insertion in model container [2020-11-28 03:03:14,710 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:03:14,710 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:14" (2/3) ... [2020-11-28 03:03:14,710 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73387bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:03:14, skipping insertion in model container [2020-11-28 03:03:14,711 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:03:14,711 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:14" (3/3) ... [2020-11-28 03:03:14,712 INFO L373 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex11B.i [2020-11-28 03:03:14,762 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:03:14,762 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:03:14,762 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:03:14,762 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:03:14,762 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:03:14,763 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:03:14,763 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:03:14,763 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:03:14,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-11-28 03:03:14,800 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2020-11-28 03:03:14,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:03:14,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:03:14,807 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:03:14,807 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:14,807 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:03:14,807 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-11-28 03:03:14,809 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2020-11-28 03:03:14,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:03:14,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:03:14,810 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:03:14,810 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:14,818 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 19#L28-3true [2020-11-28 03:03:14,818 INFO L796 eck$LassoCheckResult]: Loop: 19#L28-3true call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 4#L28-1true assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 12#L33true call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 3#recENTRYtrue ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 7#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 15#recFINALtrue assume true; 13#recEXITtrue >#39#return; 10#L33-1true assume main_#t~ret11 <= -1;main_#t~ite12 := -1; 5#L33-3true call write~int(main_#t~mem13 + main_#t~ite12, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem13;havoc main_#t~ret11;havoc main_#t~ite12; 19#L28-3true [2020-11-28 03:03:14,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:14,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2020-11-28 03:03:14,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:14,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241125581] [2020-11-28 03:03:14,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:14,921 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:14,935 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:14,954 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:14,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:14,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1673639481, now seen corresponding path program 1 times [2020-11-28 03:03:14,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:14,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647998872] [2020-11-28 03:03:14,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:15,002 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:15,034 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:15,041 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:15,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:15,043 INFO L82 PathProgramCache]: Analyzing trace with hash -508919995, now seen corresponding path program 1 times [2020-11-28 03:03:15,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:15,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941437126] [2020-11-28 03:03:15,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:15,075 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:15,103 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:15,110 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:15,875 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 92 [2020-11-28 03:03:16,092 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:03:16,093 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:03:16,093 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:03:16,093 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:03:16,093 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:03:16,094 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:16,094 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:03:16,094 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:03:16,094 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration1_Lasso [2020-11-28 03:03:16,094 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:03:16,095 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:03:16,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:16,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:16,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:16,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:16,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:16,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:16,548 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-11-28 03:03:16,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:16,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:16,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:16,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:17,117 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:03:17,123 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:03:17,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:17,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:17,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:17,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:17,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:17,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:17,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:17,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:17,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:03:17,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:17,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:17,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:17,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:17,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:17,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:17,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:17,219 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 [2020-11-28 03:03:17,222 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:03:17,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:17,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:17,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:17,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:17,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:17,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:17,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:17,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:17,279 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/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) [2020-11-28 03:03:17,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:17,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:17,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:17,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:17,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:17,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:17,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:17,355 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:17,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:17,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:17,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:17,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:17,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:17,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:17,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:17,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:03:17,410 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:03:17,463 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 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:17,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:17,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:17,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:17,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:17,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:17,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:03:17,493 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:17,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:17,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:17,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:17,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:17,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:17,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:17,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:03:17,535 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:03:17,551 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-28 03:03:17,551 INFO L444 ModelExtractionUtils]: 3 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:17,575 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:03:17,580 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:03:17,580 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:03:17,581 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1 Supporting invariants [] [2020-11-28 03:03:17,639 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-11-28 03:03:17,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:03:17,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:17,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:03:17,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:17,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-28 03:03:17,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:18,060 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2020-11-28 03:03:18,066 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 03:03:18,085 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-11-28 03:03:18,112 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:03:18,120 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-11-28 03:03:18,120 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:15 [2020-11-28 03:03:18,203 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-28 03:03:18,204 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:03:18,210 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:03:18,211 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:03:18,211 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-11-28 03:03:18,262 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:03:18,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:03:18,397 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 8 loop predicates [2020-11-28 03:03:18,399 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 9 states. [2020-11-28 03:03:18,878 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 9 states. Result 77 states and 93 transitions. Complement of second has 26 states. [2020-11-28 03:03:18,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 1 stem states 8 non-accepting loop states 1 accepting loop states [2020-11-28 03:03:18,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-11-28 03:03:18,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 29 transitions. [2020-11-28 03:03:18,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 29 transitions. Stem has 2 letters. Loop has 9 letters. [2020-11-28 03:03:18,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:03:18,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 29 transitions. Stem has 11 letters. Loop has 9 letters. [2020-11-28 03:03:18,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:03:18,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 29 transitions. Stem has 2 letters. Loop has 18 letters. [2020-11-28 03:03:18,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:03:18,889 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 93 transitions. [2020-11-28 03:03:18,905 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2020-11-28 03:03:18,917 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 45 states and 55 transitions. [2020-11-28 03:03:18,918 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2020-11-28 03:03:18,919 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2020-11-28 03:03:18,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 55 transitions. [2020-11-28 03:03:18,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:03:18,921 INFO L691 BuchiCegarLoop]: Abstraction has 45 states and 55 transitions. [2020-11-28 03:03:18,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 55 transitions. [2020-11-28 03:03:18,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 40. [2020-11-28 03:03:18,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-11-28 03:03:18,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2020-11-28 03:03:18,969 INFO L714 BuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2020-11-28 03:03:18,969 INFO L594 BuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2020-11-28 03:03:18,969 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:03:18,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 48 transitions. [2020-11-28 03:03:18,972 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2020-11-28 03:03:18,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:03:18,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:03:18,973 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:18,973 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:03:18,973 INFO L794 eck$LassoCheckResult]: Stem: 220#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 214#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 215#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 226#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 229#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 230#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 232#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 202#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 200#recENTRY [2020-11-28 03:03:18,974 INFO L796 eck$LassoCheckResult]: Loop: 200#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 203#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 201#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 200#recENTRY [2020-11-28 03:03:18,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:18,974 INFO L82 PathProgramCache]: Analyzing trace with hash -15731550, now seen corresponding path program 1 times [2020-11-28 03:03:18,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:18,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907339027] [2020-11-28 03:03:18,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:19,014 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:19,049 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:19,057 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:19,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:19,065 INFO L82 PathProgramCache]: Analyzing trace with hash 29951, now seen corresponding path program 1 times [2020-11-28 03:03:19,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:19,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406673294] [2020-11-28 03:03:19,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:19,093 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:19,112 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:19,115 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:19,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:19,116 INFO L82 PathProgramCache]: Analyzing trace with hash -507170626, now seen corresponding path program 2 times [2020-11-28 03:03:19,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:19,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138316852] [2020-11-28 03:03:19,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:19,147 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:19,178 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:19,190 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:19,371 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2020-11-28 03:03:19,770 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-11-28 03:03:20,347 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 86 [2020-11-28 03:03:20,472 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-11-28 03:03:21,095 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2020-11-28 03:03:21,522 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-28 03:03:21,525 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:03:21,525 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:03:21,525 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:03:21,526 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:03:21,526 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:03:21,526 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:21,526 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:03:21,526 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:03:21,526 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration2_Lasso [2020-11-28 03:03:21,526 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:03:21,526 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:03:21,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,684 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-11-28 03:03:21,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:21,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:22,422 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2020-11-28 03:03:22,491 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:03:22,491 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:22,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:22,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:22,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:22,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:22,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:22,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:22,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:22,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:03:22,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:22,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:22,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:22,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:22,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:22,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:22,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:22,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:22,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:03:22,546 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:22,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:22,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:22,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:22,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:22,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:22,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:22,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:22,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:03:22,579 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:22,633 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 [2020-11-28 03:03:22,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:22,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:22,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:22,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:22,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:22,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:22,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:03:22,642 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:22,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:22,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:22,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:22,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:22,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:22,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:22,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:22,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:03:22,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:22,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:22,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:22,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:22,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:22,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:22,712 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:22,712 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:03:22,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:22,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:22,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:22,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:22,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:22,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:22,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:22,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:03:22,761 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:03:22,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:22,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:22,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:22,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:22,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:22,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:22,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:22,815 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:22,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:22,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:22,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:22,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:22,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:22,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:22,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:03:22,855 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:03:22,879 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-11-28 03:03:22,879 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:03:22,892 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:22,896 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:03:22,897 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:03:22,897 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_1) = 2*v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_1 + 1 Supporting invariants [] [2020-11-28 03:03:22,922 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2020-11-28 03:03:22,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:03:22,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:22,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 03:03:22,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:23,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjunts are in the unsatisfiable core [2020-11-28 03:03:23,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:23,076 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:03:23,077 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 53 [2020-11-28 03:03:23,078 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:03:23,114 INFO L625 ElimStorePlain]: treesize reduction 20, result has 67.7 percent of original size [2020-11-28 03:03:23,117 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:03:23,117 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:21 [2020-11-28 03:03:23,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:03:23,139 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 [2020-11-28 03:03:23,139 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 48 transitions. cyclomatic complexity: 12 Second operand 4 states. [2020-11-28 03:03:23,259 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 48 transitions. cyclomatic complexity: 12. Second operand 4 states. Result 83 states and 103 transitions. Complement of second has 17 states. [2020-11-28 03:03:23,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 03:03:23,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:03:23,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2020-11-28 03:03:23,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 8 letters. Loop has 3 letters. [2020-11-28 03:03:23,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:03:23,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 3 letters. [2020-11-28 03:03:23,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:03:23,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 8 letters. Loop has 6 letters. [2020-11-28 03:03:23,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:03:23,264 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 103 transitions. [2020-11-28 03:03:23,269 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2020-11-28 03:03:23,273 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 71 states and 91 transitions. [2020-11-28 03:03:23,275 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2020-11-28 03:03:23,277 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2020-11-28 03:03:23,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 91 transitions. [2020-11-28 03:03:23,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:03:23,279 INFO L691 BuchiCegarLoop]: Abstraction has 71 states and 91 transitions. [2020-11-28 03:03:23,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 91 transitions. [2020-11-28 03:03:23,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2020-11-28 03:03:23,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-11-28 03:03:23,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 83 transitions. [2020-11-28 03:03:23,295 INFO L714 BuchiCegarLoop]: Abstraction has 67 states and 83 transitions. [2020-11-28 03:03:23,295 INFO L594 BuchiCegarLoop]: Abstraction has 67 states and 83 transitions. [2020-11-28 03:03:23,295 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:03:23,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 83 transitions. [2020-11-28 03:03:23,297 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2020-11-28 03:03:23,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:03:23,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:03:23,299 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:23,299 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:23,299 INFO L794 eck$LassoCheckResult]: Stem: 422#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 416#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 417#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 432#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 437#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 438#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 440#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 439#recFINAL assume true; 436#recEXIT >#39#return; 423#L33-1 assume !(main_#t~ret11 <= -1);main_#t~ite12 := 1; 410#L33-3 [2020-11-28 03:03:23,299 INFO L796 eck$LassoCheckResult]: Loop: 410#L33-3 call write~int(main_#t~mem13 + main_#t~ite12, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem13;havoc main_#t~ret11;havoc main_#t~ite12; 411#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 406#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 407#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 427#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 447#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 448#recFINAL assume true; 435#recEXIT >#39#return; 434#L33-1 assume main_#t~ret11 <= -1;main_#t~ite12 := -1; 410#L33-3 [2020-11-28 03:03:23,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:23,300 INFO L82 PathProgramCache]: Analyzing trace with hash 2061793209, now seen corresponding path program 1 times [2020-11-28 03:03:23,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:23,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174472152] [2020-11-28 03:03:23,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:23,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-11-28 03:03:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:23,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:03:23,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174472152] [2020-11-28 03:03:23,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:23,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:03:23,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868304748] [2020-11-28 03:03:23,414 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:03:23,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:23,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1530037457, now seen corresponding path program 2 times [2020-11-28 03:03:23,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:23,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228983161] [2020-11-28 03:03:23,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:23,429 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:23,440 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:23,444 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:23,966 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2020-11-28 03:03:24,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:03:24,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:03:24,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:03:24,073 INFO L87 Difference]: Start difference. First operand 67 states and 83 transitions. cyclomatic complexity: 22 Second operand 6 states. [2020-11-28 03:03:24,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:24,152 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2020-11-28 03:03:24,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:03:24,153 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 60 transitions. [2020-11-28 03:03:24,155 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2020-11-28 03:03:24,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 48 states and 57 transitions. [2020-11-28 03:03:24,157 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2020-11-28 03:03:24,157 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2020-11-28 03:03:24,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 57 transitions. [2020-11-28 03:03:24,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:03:24,158 INFO L691 BuchiCegarLoop]: Abstraction has 48 states and 57 transitions. [2020-11-28 03:03:24,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 57 transitions. [2020-11-28 03:03:24,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2020-11-28 03:03:24,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-28 03:03:24,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2020-11-28 03:03:24,175 INFO L714 BuchiCegarLoop]: Abstraction has 47 states and 56 transitions. [2020-11-28 03:03:24,175 INFO L594 BuchiCegarLoop]: Abstraction has 47 states and 56 transitions. [2020-11-28 03:03:24,175 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-28 03:03:24,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 56 transitions. [2020-11-28 03:03:24,177 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2020-11-28 03:03:24,180 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:03:24,180 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:03:24,181 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:24,183 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:24,183 INFO L794 eck$LassoCheckResult]: Stem: 555#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 549#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 550#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 538#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 539#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 558#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 566#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 546#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 565#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 545#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 547#recFINAL assume true; 574#recEXIT >#37#return; 573#L19-1 #res := #t~ret5;havoc #t~ret5; 572#recFINAL assume true; 571#recEXIT >#39#return; 569#L33-1 [2020-11-28 03:03:24,183 INFO L796 eck$LassoCheckResult]: Loop: 569#L33-1 assume main_#t~ret11 <= -1;main_#t~ite12 := -1; 541#L33-3 call write~int(main_#t~mem13 + main_#t~ite12, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem13;havoc main_#t~ret11;havoc main_#t~ite12; 542#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 562#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 532#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 531#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 534#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 533#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 531#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 534#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 567#recFINAL assume true; 577#recEXIT >#37#return; 570#L19-1 #res := #t~ret5;havoc #t~ret5; 576#recFINAL assume true; 568#recEXIT >#39#return; 569#L33-1 [2020-11-28 03:03:24,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:24,184 INFO L82 PathProgramCache]: Analyzing trace with hash 585500867, now seen corresponding path program 1 times [2020-11-28 03:03:24,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:24,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043119942] [2020-11-28 03:03:24,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:24,224 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:24,251 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:24,266 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:24,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:24,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1573594623, now seen corresponding path program 1 times [2020-11-28 03:03:24,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:24,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783677275] [2020-11-28 03:03:24,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:24,319 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:24,339 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:24,343 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:24,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:24,344 INFO L82 PathProgramCache]: Analyzing trace with hash 369620223, now seen corresponding path program 1 times [2020-11-28 03:03:24,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:24,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255280429] [2020-11-28 03:03:24,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:24,384 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:24,421 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:24,430 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:24,871 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 84 [2020-11-28 03:03:25,540 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2020-11-28 03:03:26,004 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 84 [2020-11-28 03:03:26,885 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 134 [2020-11-28 03:03:27,092 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-28 03:03:27,096 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:03:27,096 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:03:27,096 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:03:27,097 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:03:27,097 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:03:27,097 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:27,097 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:03:27,097 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:03:27,097 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration4_Lasso [2020-11-28 03:03:27,097 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:03:27,097 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:03:27,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:27,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:27,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:27,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:27,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:27,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:27,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:27,403 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2020-11-28 03:03:27,628 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2020-11-28 03:03:27,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:28,326 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2020-11-28 03:03:28,533 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2020-11-28 03:03:28,601 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:03:28,601 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:28,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:28,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:28,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:28,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:28,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:28,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:28,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:28,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:03:28,616 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:28,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:28,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:28,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:28,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:28,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:28,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:28,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:03:28,651 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:28,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:28,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:28,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:28,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:28,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:28,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:28,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:28,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:03:28,682 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:28,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:28,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:28,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:28,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:28,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:28,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:28,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:03:28,724 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:28,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:28,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:28,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:28,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:28,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:28,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:28,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:28,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:03:28,767 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:03:28,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:28,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:28,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:28,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:28,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:28,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:28,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:28,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:28,810 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:03:28,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:28,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:28,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:28,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:28,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:28,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:28,855 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:28,861 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:03:28,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:28,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:28,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:28,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:28,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:28,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:28,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:03:28,901 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:28,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:28,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:28,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:28,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:28,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:28,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:28,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:03:28,936 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:28,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:28,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:28,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:28,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:28,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:28,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:28,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:03:28,983 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:29,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:29,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:29,010 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2020-11-28 03:03:29,010 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2020-11-28 03:03:29,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:29,128 INFO L401 nArgumentSynthesizer]: We have 104 Motzkin's Theorem applications. [2020-11-28 03:03:29,128 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2020-11-28 03:03:29,293 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:03:29,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:29,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:29,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:29,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:29,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:29,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:29,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:29,371 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:03:29,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:29,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:29,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:29,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:29,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:29,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:29,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:29,421 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:03:29,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:29,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:29,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:29,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:29,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:29,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:29,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:29,470 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/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) [2020-11-28 03:03:29,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:29,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:29,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:29,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:29,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:29,513 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:29,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:29,520 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:29,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:29,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:29,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:29,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:29,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:29,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:29,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:03:29,574 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:03:29,593 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-11-28 03:03:29,594 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:03:29,596 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:29,598 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:03:29,599 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:03:29,599 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~mem13) = 1*ULTIMATE.start_main_#t~mem13 Supporting invariants [] [2020-11-28 03:03:29,644 INFO L297 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2020-11-28 03:03:29,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:29,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 03:03:29,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:29,710 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:03:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:29,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-28 03:03:29,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:29,770 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-11-28 03:03:29,771 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:03:29,778 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:03:29,780 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:03:29,780 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:15 [2020-11-28 03:03:29,834 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:03:29,835 INFO L384 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 11 treesize of output 15 [2020-11-28 03:03:29,836 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:03:29,841 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:03:29,843 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:03:29,852 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:03:29,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-28 03:03:29,867 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2020-11-28 03:03:29,867 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-28 03:03:29,874 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:03:29,875 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:03:29,875 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:42, output treesize:9 [2020-11-28 03:03:29,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 03:03:29,911 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2020-11-28 03:03:29,911 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 47 states and 56 transitions. cyclomatic complexity: 13 Second operand 8 states. [2020-11-28 03:03:30,078 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 47 states and 56 transitions. cyclomatic complexity: 13. Second operand 8 states. Result 151 states and 180 transitions. Complement of second has 17 states. [2020-11-28 03:03:30,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2020-11-28 03:03:30,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-28 03:03:30,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 29 transitions. [2020-11-28 03:03:30,082 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 15 letters. Loop has 15 letters. [2020-11-28 03:03:30,083 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:03:30,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 30 letters. Loop has 15 letters. [2020-11-28 03:03:30,085 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:03:30,086 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 15 letters. Loop has 30 letters. [2020-11-28 03:03:30,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:03:30,091 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 151 states and 180 transitions. [2020-11-28 03:03:30,095 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2020-11-28 03:03:30,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 151 states to 134 states and 159 transitions. [2020-11-28 03:03:30,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 67 [2020-11-28 03:03:30,107 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 70 [2020-11-28 03:03:30,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 134 states and 159 transitions. [2020-11-28 03:03:30,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:03:30,107 INFO L691 BuchiCegarLoop]: Abstraction has 134 states and 159 transitions. [2020-11-28 03:03:30,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states and 159 transitions. [2020-11-28 03:03:30,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 118. [2020-11-28 03:03:30,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-11-28 03:03:30,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 141 transitions. [2020-11-28 03:03:30,129 INFO L714 BuchiCegarLoop]: Abstraction has 118 states and 141 transitions. [2020-11-28 03:03:30,129 INFO L594 BuchiCegarLoop]: Abstraction has 118 states and 141 transitions. [2020-11-28 03:03:30,130 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-28 03:03:30,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 141 transitions. [2020-11-28 03:03:30,134 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2020-11-28 03:03:30,134 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:03:30,134 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:03:30,138 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:30,138 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:30,138 INFO L794 eck$LassoCheckResult]: Stem: 922#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 917#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 918#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 939#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 943#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 944#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 952#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 950#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 951#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 960#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 965#recFINAL assume true; 949#recEXIT >#37#return; 947#L19-1 #res := #t~ret5;havoc #t~ret5; 945#recFINAL assume true; 942#recEXIT >#39#return; 941#L33-1 assume !(main_#t~ret11 <= -1);main_#t~ite12 := 1; 907#L33-3 [2020-11-28 03:03:30,138 INFO L796 eck$LassoCheckResult]: Loop: 907#L33-3 call write~int(main_#t~mem13 + main_#t~ite12, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem13;havoc main_#t~ret11;havoc main_#t~ite12; 908#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 946#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 929#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 930#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 1007#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 1006#recFINAL assume true; 997#recEXIT >#39#return; 993#L33-1 assume main_#t~ret11 <= -1;main_#t~ite12 := -1; 907#L33-3 [2020-11-28 03:03:30,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:30,139 INFO L82 PathProgramCache]: Analyzing trace with hash 970657719, now seen corresponding path program 1 times [2020-11-28 03:03:30,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:30,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475925041] [2020-11-28 03:03:30,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:30,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-11-28 03:03:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:30,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-28 03:03:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:30,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 03:03:30,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475925041] [2020-11-28 03:03:30,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:30,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:03:30,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746307019] [2020-11-28 03:03:30,299 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:03:30,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:30,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1530037457, now seen corresponding path program 3 times [2020-11-28 03:03:30,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:30,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384282952] [2020-11-28 03:03:30,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:30,312 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:30,321 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:30,324 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:30,857 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2020-11-28 03:03:30,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:03:30,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:03:30,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:03:30,924 INFO L87 Difference]: Start difference. First operand 118 states and 141 transitions. cyclomatic complexity: 32 Second operand 7 states. [2020-11-28 03:03:30,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:30,991 INFO L93 Difference]: Finished difference Result 104 states and 121 transitions. [2020-11-28 03:03:30,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:03:30,993 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 104 states and 121 transitions. [2020-11-28 03:03:30,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:03:30,999 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 104 states to 78 states and 90 transitions. [2020-11-28 03:03:30,999 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2020-11-28 03:03:30,999 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2020-11-28 03:03:31,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 90 transitions. [2020-11-28 03:03:31,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:03:31,000 INFO L691 BuchiCegarLoop]: Abstraction has 78 states and 90 transitions. [2020-11-28 03:03:31,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states and 90 transitions. [2020-11-28 03:03:31,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 75. [2020-11-28 03:03:31,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-28 03:03:31,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 87 transitions. [2020-11-28 03:03:31,008 INFO L714 BuchiCegarLoop]: Abstraction has 75 states and 87 transitions. [2020-11-28 03:03:31,008 INFO L594 BuchiCegarLoop]: Abstraction has 75 states and 87 transitions. [2020-11-28 03:03:31,008 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-28 03:03:31,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states and 87 transitions. [2020-11-28 03:03:31,010 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:03:31,010 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:03:31,010 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:03:31,011 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:31,011 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:03:31,012 INFO L794 eck$LassoCheckResult]: Stem: 1161#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1156#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 1157#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 1180#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 1171#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 1172#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 1190#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 1166#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 1187#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 1195#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 1198#recFINAL assume true; 1186#recEXIT >#37#return; 1184#L19-1 #res := #t~ret5;havoc #t~ret5; 1183#recFINAL assume true; 1182#recEXIT >#39#return; 1162#L33-1 assume main_#t~ret11 <= -1;main_#t~ite12 := -1; 1163#L33-3 call write~int(main_#t~mem13 + main_#t~ite12, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem13;havoc main_#t~ret11;havoc main_#t~ite12; 1181#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 1153#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 1144#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 1143#recENTRY [2020-11-28 03:03:31,012 INFO L796 eck$LassoCheckResult]: Loop: 1143#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 1145#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 1146#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 1143#recENTRY [2020-11-28 03:03:31,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:31,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1312873862, now seen corresponding path program 2 times [2020-11-28 03:03:31,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:31,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715221559] [2020-11-28 03:03:31,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:31,046 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:31,071 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:31,078 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:31,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:31,079 INFO L82 PathProgramCache]: Analyzing trace with hash 29951, now seen corresponding path program 2 times [2020-11-28 03:03:31,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:31,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916840008] [2020-11-28 03:03:31,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:31,086 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:31,094 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:31,096 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:31,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:31,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1853025306, now seen corresponding path program 3 times [2020-11-28 03:03:31,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:31,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508109345] [2020-11-28 03:03:31,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:31,127 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:31,160 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:31,168 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:31,313 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-11-28 03:03:31,515 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-11-28 03:03:31,947 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 84 [2020-11-28 03:03:33,611 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 214 DAG size of output: 179 [2020-11-28 03:03:34,138 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-11-28 03:03:34,496 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-28 03:03:34,888 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-28 03:03:34,892 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:03:34,892 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:03:34,893 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:03:34,893 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:03:34,893 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:03:34,893 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:34,893 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:03:34,893 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:03:34,893 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration6_Lasso [2020-11-28 03:03:34,893 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:03:34,893 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:03:34,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:34,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,088 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-11-28 03:03:35,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:03:35,999 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-11-28 03:03:36,097 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:03:36,097 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:36,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:36,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:36,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:03:36,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:36,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:36,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:36,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:03:36,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:03:36,104 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/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 [2020-11-28 03:03:36,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:36,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:36,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:36,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:36,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:36,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:36,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:03:36,155 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:03:36,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:36,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:36,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:36,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:36,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:36,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:36,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:36,204 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:03:36,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:36,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:36,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:36,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:36,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:36,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:36,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:36,253 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:36,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:36,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:36,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:36,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:36,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:36,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:36,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:03:36,286 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:36,312 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 [2020-11-28 03:03:36,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:36,314 INFO L203 nArgumentSynthesizer]: 16 stem disjuncts [2020-11-28 03:03:36,314 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:03:36,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:36,345 INFO L401 nArgumentSynthesizer]: We have 76 Motzkin's Theorem applications. [2020-11-28 03:03:36,345 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 03:03:36,383 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:36,406 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 [2020-11-28 03:03:36,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:36,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:36,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:36,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:36,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:36,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:03:36,417 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:36,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:03:36,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:03:36,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:03:36,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:03:36,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:03:36,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:03:36,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:03:36,461 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:03:36,466 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-28 03:03:36,467 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab3caee4-69f9-4668-af88-4d5b4801b0f8/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:03:36,470 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:03:36,472 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:03:36,472 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:03:36,472 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_2) = 2*v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_2 + 1 Supporting invariants [] [2020-11-28 03:03:36,494 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2020-11-28 03:03:36,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:03:36,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:36,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:03:36,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:36,576 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:03:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:36,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjunts are in the unsatisfiable core [2020-11-28 03:03:36,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:36,642 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:03:36,643 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 53 [2020-11-28 03:03:36,643 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:03:36,674 INFO L625 ElimStorePlain]: treesize reduction 20, result has 67.7 percent of original size [2020-11-28 03:03:36,677 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:03:36,677 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:21 [2020-11-28 03:03:36,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:03:36,711 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-11-28 03:03:36,711 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 75 states and 87 transitions. cyclomatic complexity: 18 Second operand 5 states. [2020-11-28 03:03:36,814 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 75 states and 87 transitions. cyclomatic complexity: 18. Second operand 5 states. Result 94 states and 107 transitions. Complement of second has 16 states. [2020-11-28 03:03:36,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 03:03:36,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 03:03:36,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2020-11-28 03:03:36,819 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 20 letters. Loop has 3 letters. [2020-11-28 03:03:36,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:03:36,819 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:03:36,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:36,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:03:36,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:36,926 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:03:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:36,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjunts are in the unsatisfiable core [2020-11-28 03:03:36,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:37,010 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:03:37,010 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 53 [2020-11-28 03:03:37,011 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:03:37,040 INFO L625 ElimStorePlain]: treesize reduction 20, result has 67.7 percent of original size [2020-11-28 03:03:37,041 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:03:37,041 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:21 [2020-11-28 03:03:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:03:37,055 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2020-11-28 03:03:37,056 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 75 states and 87 transitions. cyclomatic complexity: 18 Second operand 5 states. [2020-11-28 03:03:37,127 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 75 states and 87 transitions. cyclomatic complexity: 18. Second operand 5 states. Result 94 states and 107 transitions. Complement of second has 16 states. [2020-11-28 03:03:37,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 03:03:37,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 03:03:37,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2020-11-28 03:03:37,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 20 letters. Loop has 3 letters. [2020-11-28 03:03:37,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:03:37,144 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:03:37,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:37,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:03:37,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:37,234 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:03:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:37,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjunts are in the unsatisfiable core [2020-11-28 03:03:37,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:37,348 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:03:37,349 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 53 [2020-11-28 03:03:37,349 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:03:37,394 INFO L625 ElimStorePlain]: treesize reduction 20, result has 67.7 percent of original size [2020-11-28 03:03:37,396 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:03:37,396 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:21 [2020-11-28 03:03:37,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:03:37,415 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-11-28 03:03:37,415 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 75 states and 87 transitions. cyclomatic complexity: 18 Second operand 5 states. [2020-11-28 03:03:37,574 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 75 states and 87 transitions. cyclomatic complexity: 18. Second operand 5 states. Result 117 states and 132 transitions. Complement of second has 17 states. [2020-11-28 03:03:37,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 03:03:37,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 03:03:37,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2020-11-28 03:03:37,576 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 20 letters. Loop has 3 letters. [2020-11-28 03:03:37,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:03:37,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 23 letters. Loop has 3 letters. [2020-11-28 03:03:37,577 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:03:37,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 20 letters. Loop has 6 letters. [2020-11-28 03:03:37,577 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:03:37,577 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 117 states and 132 transitions. [2020-11-28 03:03:37,579 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:03:37,580 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 117 states to 0 states and 0 transitions. [2020-11-28 03:03:37,580 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:03:37,580 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:03:37,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:03:37,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:03:37,581 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:03:37,581 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:03:37,581 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:03:37,581 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-11-28 03:03:37,582 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:03:37,582 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:03:37,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:03:37,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:03:37 BoogieIcfgContainer [2020-11-28 03:03:37,589 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:03:37,590 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:03:37,590 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:03:37,590 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:03:37,591 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:14" (3/4) ... [2020-11-28 03:03:37,594 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:03:37,594 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:03:37,595 INFO L168 Benchmark]: Toolchain (without parser) took 23819.16 ms. Allocated memory was 104.9 MB in the beginning and 264.2 MB in the end (delta: 159.4 MB). Free memory was 68.4 MB in the beginning and 95.1 MB in the end (delta: -26.7 MB). Peak memory consumption was 134.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:37,595 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 104.9 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:37,596 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.55 ms. Allocated memory is still 104.9 MB. Free memory was 68.2 MB in the beginning and 82.2 MB in the end (delta: -14.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:37,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.82 ms. Allocated memory is still 104.9 MB. Free memory was 82.2 MB in the beginning and 80.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:37,597 INFO L168 Benchmark]: Boogie Preprocessor took 33.51 ms. Allocated memory is still 104.9 MB. Free memory was 80.9 MB in the beginning and 79.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:37,597 INFO L168 Benchmark]: RCFGBuilder took 539.46 ms. Allocated memory is still 104.9 MB. Free memory was 79.6 MB in the beginning and 66.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:37,597 INFO L168 Benchmark]: BuchiAutomizer took 22908.27 ms. Allocated memory was 104.9 MB in the beginning and 264.2 MB in the end (delta: 159.4 MB). Free memory was 66.4 MB in the beginning and 95.1 MB in the end (delta: -28.7 MB). Peak memory consumption was 133.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:37,598 INFO L168 Benchmark]: Witness Printer took 4.47 ms. Allocated memory is still 264.2 MB. Free memory is still 95.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:37,602 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 104.9 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 260.55 ms. Allocated memory is still 104.9 MB. Free memory was 68.2 MB in the beginning and 82.2 MB in the end (delta: -14.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.82 ms. Allocated memory is still 104.9 MB. Free memory was 82.2 MB in the beginning and 80.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.51 ms. Allocated memory is still 104.9 MB. Free memory was 80.9 MB in the beginning and 79.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 539.46 ms. Allocated memory is still 104.9 MB. Free memory was 79.6 MB in the beginning and 66.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 22908.27 ms. Allocated memory was 104.9 MB in the beginning and 264.2 MB in the end (delta: 159.4 MB). Free memory was 66.4 MB in the beginning and 95.1 MB in the end (delta: -28.7 MB). Peak memory consumption was 133.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.47 ms. Allocated memory is still 264.2 MB. Free memory is still 95.1 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 6 terminating modules (2 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[qq][qq] and consists of 11 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][op] + 1 and consists of 5 locations. One deterministic module has affine ranking function org.eclipse.cdt.internal.core.dom.parser.c.CASTIdExpression@52a27891 and consists of 8 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][op] + 1 and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 22.8s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 19.2s. Construction of modules took 0.4s. Büchi inclusion checks took 2.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 29 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 118 states and ocurred in iteration 4. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 98 SDtfs, 87 SDslu, 164 SDs, 0 SdLazy, 280 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital408 mio100 ax100 hnf99 lsp97 ukn41 mio100 lsp28 div100 bol100 ite100 ukn100 eq165 hnf95 smp100 dnf488 smp81 tf100 neg88 sie144 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 287ms VariablesStem: 6 VariablesLoop: 8 DisjunctsStem: 8 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 104 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...