./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_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:23,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:35:23,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:35:23,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:35:23,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:35:23,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:35:23,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:35:23,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:35:23,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:35:23,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:35:23,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:35:23,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:35:23,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:35:23,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:35:23,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:35:23,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:35:23,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:35:23,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:35:23,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:35:23,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:35:23,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:35:23,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:35:23,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:35:23,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:35:23,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:35:23,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:35:23,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:35:23,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:35:23,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:35:23,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:35:23,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:35:23,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:35:23,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:35:23,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:35:23,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:35:23,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:35:23,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:35:23,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:35:23,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:35:23,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:35:23,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:35:23,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-30 00:35:23,589 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:35:23,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:35:23,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:35:23,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:35:23,591 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:35:23,592 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:35:23,592 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:35:23,592 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:35:23,592 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:35:23,593 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:35:23,593 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:35:23,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:35:23,594 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:35:23,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:35:23,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:35:23,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:35:23,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:35:23,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:35:23,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:35:23,595 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:35:23,596 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:35:23,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:35:23,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:35:23,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:35:23,597 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:35:23,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:35:23,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:35:23,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:35:23,598 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:35:23,599 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:35:23,600 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_8753582b-42e7-410b-be58-c92acb3782bb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18b42b65120149c30866fbc5b5479df029781f63 [2020-11-30 00:35:23,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:35:23,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:35:23,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:35:23,965 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:35:23,967 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:35:23,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i [2020-11-30 00:35:24,069 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/data/45eda17d8/5b5f79e98b784a59a5beb15fb5fb8034/FLAGc3956a038 [2020-11-30 00:35:24,644 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:35:24,644 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i [2020-11-30 00:35:24,664 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/data/45eda17d8/5b5f79e98b784a59a5beb15fb5fb8034/FLAGc3956a038 [2020-11-30 00:35:24,983 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/data/45eda17d8/5b5f79e98b784a59a5beb15fb5fb8034 [2020-11-30 00:35:24,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:35:24,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:35:24,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:24,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:35:25,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:35:25,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:24" (1/1) ... [2020-11-30 00:35:25,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c41f0fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:25, skipping insertion in model container [2020-11-30 00:35:25,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:24" (1/1) ... [2020-11-30 00:35:25,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:35:25,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:35:25,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:25,266 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:35:25,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:25,303 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:35:25,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:25 WrapperNode [2020-11-30 00:35:25,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:25,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:25,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:35:25,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:35:25,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:25" (1/1) ... [2020-11-30 00:35:25,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:25" (1/1) ... [2020-11-30 00:35:25,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:25,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:35:25,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:35:25,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:35:25,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:25" (1/1) ... [2020-11-30 00:35:25,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:25" (1/1) ... [2020-11-30 00:35:25,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:25" (1/1) ... [2020-11-30 00:35:25,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:25" (1/1) ... [2020-11-30 00:35:25,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:25" (1/1) ... [2020-11-30 00:35:25,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:25" (1/1) ... [2020-11-30 00:35:25,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:25" (1/1) ... [2020-11-30 00:35:25,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:35:25,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:35:25,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:35:25,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:35:25,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:35:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2020-11-30 00:35:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2020-11-30 00:35:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 00:35:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:35:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:35:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:35:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:35:25,825 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:35:25,826 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-30 00:35:25,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:25 BoogieIcfgContainer [2020-11-30 00:35:25,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:35:25,829 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:35:25,829 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:35:25,834 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:35:25,835 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:35:25,835 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:35:24" (1/3) ... [2020-11-30 00:35:25,837 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cc1c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:35:25, skipping insertion in model container [2020-11-30 00:35:25,837 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:35:25,837 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:25" (2/3) ... [2020-11-30 00:35:25,838 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cc1c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:35:25, skipping insertion in model container [2020-11-30 00:35:25,838 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:35:25,839 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:25" (3/3) ... [2020-11-30 00:35:25,840 INFO L373 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex11B.i [2020-11-30 00:35:25,897 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:35:25,898 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:35:25,898 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:35:25,898 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:35:25,898 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:35:25,899 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:35:25,899 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:35:25,899 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:35:25,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-11-30 00:35:25,941 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2020-11-30 00:35:25,942 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:35:25,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:35:25,950 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-30 00:35:25,950 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:25,950 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:35:25,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-11-30 00:35:25,953 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2020-11-30 00:35:25,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:35:25,954 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:35:25,955 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-30 00:35:25,955 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:25,965 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 [2020-11-30 00:35:25,966 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~ite12;havoc main_#t~mem13;havoc main_#t~ret11; 19#L28-3true [2020-11-30 00:35:25,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:25,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2020-11-30 00:35:25,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:25,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812443980] [2020-11-30 00:35:25,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:26,106 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:26,126 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:26,149 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:35:26,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:26,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1673639481, now seen corresponding path program 1 times [2020-11-30 00:35:26,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:26,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356058074] [2020-11-30 00:35:26,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:26,265 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:26,358 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:26,375 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:35:26,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:26,392 INFO L82 PathProgramCache]: Analyzing trace with hash -508919995, now seen corresponding path program 1 times [2020-11-30 00:35:26,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:26,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783866235] [2020-11-30 00:35:26,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:26,486 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:26,557 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:26,568 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:35:26,926 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-11-30 00:35:27,507 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 92 [2020-11-30 00:35:27,724 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-11-30 00:35:27,793 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:35:27,794 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:35:27,795 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:35:27,795 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:35:27,795 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:35:27,795 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:27,795 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:35:27,796 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:35:27,796 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration1_Lasso [2020-11-30 00:35:27,796 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:35:27,797 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:35:27,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:27,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:27,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:27,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:27,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:27,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:28,054 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-11-30 00:35:28,325 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-11-30 00:35:28,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:28,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:28,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:28,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:28,972 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:35:28,977 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:28,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:28,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:28,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:28,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:28,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:28,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:28,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:28,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:35:29,004 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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) [2020-11-30 00:35:29,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:29,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:29,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:29,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:29,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:29,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:29,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:29,052 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 [2020-11-30 00:35:29,054 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:29,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:29,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:29,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:29,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:29,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:29,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:29,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:29,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:35:29,117 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:29,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:29,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:29,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:29,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:29,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:29,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:29,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:35:29,181 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:35:29,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:29,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:29,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:29,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:29,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:29,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:29,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:29,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:35:29,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:29,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:29,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:29,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:29,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:29,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:29,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:29,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:35:29,286 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:35:29,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:29,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:29,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:29,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:29,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:29,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:29,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:29,354 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:35:29,375 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-30 00:35:29,375 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_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:29,392 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-30 00:35:29,397 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 00:35:29,397 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:35:29,398 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 [] [2020-11-30 00:35:29,449 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-11-30 00:35:29,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 00:35:29,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:29,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:35:29,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:35:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:29,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-30 00:35:29,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:35:29,847 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 [2020-11-30 00:35:29,853 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:35:29,864 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-11-30 00:35:29,901 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:35:29,911 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-11-30 00:35:29,911 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:15 [2020-11-30 00:35:30,004 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 [2020-11-30 00:35:30,005 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:35:30,020 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:35:30,021 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-30 00:35:30,021 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-11-30 00:35:30,076 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:35:30,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:30,251 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 [2020-11-30 00:35:30,252 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 9 states. [2020-11-30 00:35:30,858 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. [2020-11-30 00:35:30,861 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 [2020-11-30 00:35:30,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-11-30 00:35:30,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 29 transitions. [2020-11-30 00:35:30,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 29 transitions. Stem has 2 letters. Loop has 9 letters. [2020-11-30 00:35:30,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:35:30,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 29 transitions. Stem has 11 letters. Loop has 9 letters. [2020-11-30 00:35:30,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:35:30,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 29 transitions. Stem has 2 letters. Loop has 18 letters. [2020-11-30 00:35:30,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:35:30,876 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 93 transitions. [2020-11-30 00:35:30,895 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2020-11-30 00:35:30,907 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 45 states and 55 transitions. [2020-11-30 00:35:30,908 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2020-11-30 00:35:30,909 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2020-11-30 00:35:30,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 55 transitions. [2020-11-30 00:35:30,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 00:35:30,911 INFO L691 BuchiCegarLoop]: Abstraction has 45 states and 55 transitions. [2020-11-30 00:35:30,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 55 transitions. [2020-11-30 00:35:30,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 40. [2020-11-30 00:35:30,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-11-30 00:35:30,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2020-11-30 00:35:30,966 INFO L714 BuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2020-11-30 00:35:30,966 INFO L594 BuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2020-11-30 00:35:30,966 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 00:35:30,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 48 transitions. [2020-11-30 00:35:30,972 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2020-11-30 00:35:30,973 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:35:30,973 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:35:30,974 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:30,974 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-30 00:35:30,975 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 [2020-11-30 00:35:30,975 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 [2020-11-30 00:35:30,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:30,980 INFO L82 PathProgramCache]: Analyzing trace with hash -15731550, now seen corresponding path program 1 times [2020-11-30 00:35:30,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:30,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017445215] [2020-11-30 00:35:30,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:31,049 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:31,087 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:31,094 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:35:31,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:31,095 INFO L82 PathProgramCache]: Analyzing trace with hash 29951, now seen corresponding path program 1 times [2020-11-30 00:35:31,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:31,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235498452] [2020-11-30 00:35:31,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:31,108 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:31,117 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:31,121 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:35:31,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:31,122 INFO L82 PathProgramCache]: Analyzing trace with hash -507170626, now seen corresponding path program 2 times [2020-11-30 00:35:31,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:31,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880211165] [2020-11-30 00:35:31,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:31,150 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:31,180 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:31,188 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:35:31,471 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2020-11-30 00:35:32,030 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-11-30 00:35:32,143 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-11-30 00:35:32,292 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-11-30 00:35:32,713 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 86 [2020-11-30 00:35:32,865 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-11-30 00:35:33,491 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2020-11-30 00:35:33,919 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-11-30 00:35:33,938 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:35:33,938 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:35:33,938 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:35:33,939 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:35:33,939 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:35:33,939 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:33,939 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:35:33,939 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:35:33,939 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration2_Lasso [2020-11-30 00:35:33,939 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:35:33,939 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:35:33,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,130 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-11-30 00:35:34,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,935 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2020-11-30 00:35:35,034 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:35:35,035 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:35:35,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:35,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:35,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:35,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:35,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:35,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:35,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:35,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:35,047 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:35,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:35,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:35,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:35,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:35,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:35,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:35,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:35,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:35:35,089 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:35,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:35,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:35,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:35,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:35,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:35,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:35,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:35,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:35:35,150 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:35,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:35,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:35,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:35,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:35,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:35,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:35,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:35,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:35:35,181 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:35,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:35,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:35,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:35,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:35,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:35,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:35,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:35,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:35:35,211 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:35,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:35,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:35,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:35,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:35,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:35,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:35,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:35:35,265 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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) [2020-11-30 00:35:35,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:35,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:35,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:35,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:35,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:35,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:35,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:35,319 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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) [2020-11-30 00:35:35,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:35,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:35,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:35,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:35,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:35,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:35,372 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 [2020-11-30 00:35:35,375 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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) [2020-11-30 00:35:35,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:35,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:35,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:35,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:35,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:35,430 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:35,430 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:35,438 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:35:35,461 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-11-30 00:35:35,461 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_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:35,490 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-30 00:35:35,502 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 00:35:35,503 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:35:35,503 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 [] [2020-11-30 00:35:35,556 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2020-11-30 00:35:35,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 00:35:35,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:35,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 00:35:35,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:35:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:35,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjunts are in the unsatisfiable core [2020-11-30 00:35:35,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:35:35,801 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:35:35,801 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 [2020-11-30 00:35:35,802 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:35:35,848 INFO L625 ElimStorePlain]: treesize reduction 20, result has 67.7 percent of original size [2020-11-30 00:35:35,851 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 00:35:35,852 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:21 [2020-11-30 00:35:35,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:35,873 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 [2020-11-30 00:35:35,873 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 48 transitions. cyclomatic complexity: 12 Second operand 4 states. [2020-11-30 00:35:35,998 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. [2020-11-30 00:35:36,002 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 [2020-11-30 00:35:36,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-30 00:35:36,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2020-11-30 00:35:36,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 8 letters. Loop has 3 letters. [2020-11-30 00:35:36,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:35:36,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 3 letters. [2020-11-30 00:35:36,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:35:36,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 8 letters. Loop has 6 letters. [2020-11-30 00:35:36,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:35:36,005 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 103 transitions. [2020-11-30 00:35:36,009 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2020-11-30 00:35:36,012 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 71 states and 91 transitions. [2020-11-30 00:35:36,012 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2020-11-30 00:35:36,013 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2020-11-30 00:35:36,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 91 transitions. [2020-11-30 00:35:36,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 00:35:36,014 INFO L691 BuchiCegarLoop]: Abstraction has 71 states and 91 transitions. [2020-11-30 00:35:36,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 91 transitions. [2020-11-30 00:35:36,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2020-11-30 00:35:36,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-11-30 00:35:36,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 83 transitions. [2020-11-30 00:35:36,025 INFO L714 BuchiCegarLoop]: Abstraction has 67 states and 83 transitions. [2020-11-30 00:35:36,025 INFO L594 BuchiCegarLoop]: Abstraction has 67 states and 83 transitions. [2020-11-30 00:35:36,025 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-30 00:35:36,025 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 83 transitions. [2020-11-30 00:35:36,027 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2020-11-30 00:35:36,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:35:36,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:35:36,028 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:36,028 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:36,029 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 [2020-11-30 00:35:36,029 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~ite12;havoc main_#t~mem13;havoc main_#t~ret11; 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 [2020-11-30 00:35:36,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:36,030 INFO L82 PathProgramCache]: Analyzing trace with hash 2061793209, now seen corresponding path program 1 times [2020-11-30 00:35:36,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:36,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000473367] [2020-11-30 00:35:36,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:36,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-11-30 00:35:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:36,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:36,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000473367] [2020-11-30 00:35:36,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:36,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:35:36,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295871791] [2020-11-30 00:35:36,116 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 00:35:36,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:36,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1530037457, now seen corresponding path program 2 times [2020-11-30 00:35:36,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:36,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949450163] [2020-11-30 00:35:36,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:36,138 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:36,166 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:36,170 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:35:36,790 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2020-11-30 00:35:36,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:36,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:35:36,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:35:36,897 INFO L87 Difference]: Start difference. First operand 67 states and 83 transitions. cyclomatic complexity: 22 Second operand 6 states. [2020-11-30 00:35:36,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:36,967 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2020-11-30 00:35:36,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 00:35:36,968 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 60 transitions. [2020-11-30 00:35:36,970 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2020-11-30 00:35:36,973 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 48 states and 57 transitions. [2020-11-30 00:35:36,973 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2020-11-30 00:35:36,974 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2020-11-30 00:35:36,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 57 transitions. [2020-11-30 00:35:36,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 00:35:36,974 INFO L691 BuchiCegarLoop]: Abstraction has 48 states and 57 transitions. [2020-11-30 00:35:36,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 57 transitions. [2020-11-30 00:35:36,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2020-11-30 00:35:36,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-30 00:35:36,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2020-11-30 00:35:36,982 INFO L714 BuchiCegarLoop]: Abstraction has 47 states and 56 transitions. [2020-11-30 00:35:36,982 INFO L594 BuchiCegarLoop]: Abstraction has 47 states and 56 transitions. [2020-11-30 00:35:36,982 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-30 00:35:36,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 56 transitions. [2020-11-30 00:35:36,984 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2020-11-30 00:35:36,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:35:36,984 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:35:36,985 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:36,985 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:36,986 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 [2020-11-30 00:35:36,986 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~ite12;havoc main_#t~mem13;havoc main_#t~ret11; 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 [2020-11-30 00:35:36,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:36,986 INFO L82 PathProgramCache]: Analyzing trace with hash 585500867, now seen corresponding path program 1 times [2020-11-30 00:35:36,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:36,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896156939] [2020-11-30 00:35:36,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:37,014 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:37,033 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:37,058 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:35:37,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:37,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1573594623, now seen corresponding path program 1 times [2020-11-30 00:35:37,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:37,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566306098] [2020-11-30 00:35:37,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:37,095 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:37,120 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:37,133 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:35:37,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:37,134 INFO L82 PathProgramCache]: Analyzing trace with hash 369620223, now seen corresponding path program 1 times [2020-11-30 00:35:37,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:37,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927748389] [2020-11-30 00:35:37,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:37,211 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:37,286 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:37,309 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:35:37,742 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 84 [2020-11-30 00:35:38,423 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2020-11-30 00:35:38,590 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-11-30 00:35:38,956 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 84 [2020-11-30 00:35:39,930 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 134 [2020-11-30 00:35:40,172 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-30 00:35:40,177 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:35:40,178 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:35:40,178 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:35:40,178 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:35:40,178 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:35:40,178 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:40,178 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:35:40,178 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:35:40,178 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration4_Lasso [2020-11-30 00:35:40,178 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:35:40,178 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:35:40,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:40,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:40,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:40,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:40,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:40,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:40,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:40,535 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2020-11-30 00:35:40,786 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2020-11-30 00:35:40,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:41,634 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2020-11-30 00:35:41,845 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2020-11-30 00:35:41,919 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:35:41,919 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:41,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:41,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:41,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:41,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:41,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:41,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:41,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:41,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:35:41,946 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:41,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:41,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:41,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:41,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:41,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:41,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:41,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:35:41,983 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:42,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:42,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:42,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:42,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:42,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:42,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:42,013 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:42,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:35:42,015 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:42,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:42,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:42,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:42,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:42,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:42,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:42,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:35:42,051 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:42,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:42,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:42,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:42,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:42,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:42,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:42,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:42,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:35:42,091 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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) [2020-11-30 00:35:42,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:42,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:42,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:42,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:42,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:42,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:42,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:42,139 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 [2020-11-30 00:35:42,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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) [2020-11-30 00:35:42,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:42,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:42,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:42,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:42,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:42,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:42,199 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 [2020-11-30 00:35:42,205 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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) [2020-11-30 00:35:42,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:42,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:42,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:42,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:42,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:42,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:42,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:42,283 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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) [2020-11-30 00:35:42,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:42,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:42,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:42,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:42,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:42,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:42,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:42,348 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:42,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:42,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:42,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:42,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:42,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:42,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:42,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:35:42,421 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:42,460 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 [2020-11-30 00:35:42,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:42,462 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2020-11-30 00:35:42,462 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2020-11-30 00:35:42,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:42,587 INFO L401 nArgumentSynthesizer]: We have 104 Motzkin's Theorem applications. [2020-11-30 00:35:42,587 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2020-11-30 00:35:42,722 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:42,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:42,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:42,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:42,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:42,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:42,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:42,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:35:42,760 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:42,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:42,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:42,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:42,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:42,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:42,786 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:42,786 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:35:42,788 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:42,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:42,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:42,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:42,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:42,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:42,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:42,814 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:35:42,817 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:42,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:42,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:42,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:42,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:42,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:42,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:42,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:35:42,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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) [2020-11-30 00:35:42,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:42,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:42,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:42,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:42,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:42,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:42,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:42,940 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:35:42,963 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-11-30 00:35:42,963 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_8753582b-42e7-410b-be58-c92acb3782bb/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) [2020-11-30 00:35:42,967 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 [2020-11-30 00:35:42,971 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 00:35:42,971 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:35:42,971 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~mem13) = 1*ULTIMATE.start_main_#t~mem13 Supporting invariants [] [2020-11-30 00:35:43,019 INFO L297 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2020-11-30 00:35:43,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:43,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 00:35:43,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:35:43,096 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:35:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:43,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-30 00:35:43,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:35:43,189 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 [2020-11-30 00:35:43,189 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:35:43,201 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:35:43,203 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 00:35:43,203 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:15 [2020-11-30 00:35:43,282 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:35:43,282 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 [2020-11-30 00:35:43,284 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:35:43,287 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:35:43,291 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:35:43,305 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:35:43,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 00:35:43,312 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 [2020-11-30 00:35:43,313 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 00:35:43,322 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:35:43,323 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. [2020-11-30 00:35:43,323 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:42, output treesize:9 [2020-11-30 00:35:43,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:35:43,372 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 [2020-11-30 00:35:43,372 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 47 states and 56 transitions. cyclomatic complexity: 13 Second operand 8 states. [2020-11-30 00:35:43,546 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. [2020-11-30 00:35:43,547 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 [2020-11-30 00:35:43,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-30 00:35:43,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 29 transitions. [2020-11-30 00:35:43,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 15 letters. Loop has 15 letters. [2020-11-30 00:35:43,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:35:43,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 30 letters. Loop has 15 letters. [2020-11-30 00:35:43,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:35:43,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 15 letters. Loop has 30 letters. [2020-11-30 00:35:43,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:35:43,551 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 151 states and 180 transitions. [2020-11-30 00:35:43,557 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2020-11-30 00:35:43,570 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 151 states to 134 states and 159 transitions. [2020-11-30 00:35:43,572 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 67 [2020-11-30 00:35:43,573 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 70 [2020-11-30 00:35:43,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 134 states and 159 transitions. [2020-11-30 00:35:43,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 00:35:43,574 INFO L691 BuchiCegarLoop]: Abstraction has 134 states and 159 transitions. [2020-11-30 00:35:43,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states and 159 transitions. [2020-11-30 00:35:43,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 118. [2020-11-30 00:35:43,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-11-30 00:35:43,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 141 transitions. [2020-11-30 00:35:43,594 INFO L714 BuchiCegarLoop]: Abstraction has 118 states and 141 transitions. [2020-11-30 00:35:43,594 INFO L594 BuchiCegarLoop]: Abstraction has 118 states and 141 transitions. [2020-11-30 00:35:43,594 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-30 00:35:43,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 141 transitions. [2020-11-30 00:35:43,597 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2020-11-30 00:35:43,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:35:43,597 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:35:43,599 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:43,599 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:43,599 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 [2020-11-30 00:35:43,599 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~ite12;havoc main_#t~mem13;havoc main_#t~ret11; 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 [2020-11-30 00:35:43,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:43,600 INFO L82 PathProgramCache]: Analyzing trace with hash 970657719, now seen corresponding path program 1 times [2020-11-30 00:35:43,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:43,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217110589] [2020-11-30 00:35:43,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:43,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-11-30 00:35:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:43,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-30 00:35:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:35:43,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217110589] [2020-11-30 00:35:43,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:43,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 00:35:43,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089544487] [2020-11-30 00:35:43,826 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 00:35:43,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:43,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1530037457, now seen corresponding path program 3 times [2020-11-30 00:35:43,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:43,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502691107] [2020-11-30 00:35:43,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:43,849 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:43,873 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:43,881 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:35:44,390 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 93 [2020-11-30 00:35:44,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:44,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 00:35:44,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:35:44,466 INFO L87 Difference]: Start difference. First operand 118 states and 141 transitions. cyclomatic complexity: 32 Second operand 7 states. [2020-11-30 00:35:44,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:44,531 INFO L93 Difference]: Finished difference Result 104 states and 121 transitions. [2020-11-30 00:35:44,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:35:44,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 104 states and 121 transitions. [2020-11-30 00:35:44,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-30 00:35:44,537 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 104 states to 78 states and 90 transitions. [2020-11-30 00:35:44,537 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2020-11-30 00:35:44,538 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2020-11-30 00:35:44,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 90 transitions. [2020-11-30 00:35:44,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 00:35:44,538 INFO L691 BuchiCegarLoop]: Abstraction has 78 states and 90 transitions. [2020-11-30 00:35:44,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states and 90 transitions. [2020-11-30 00:35:44,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 75. [2020-11-30 00:35:44,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-30 00:35:44,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 87 transitions. [2020-11-30 00:35:44,546 INFO L714 BuchiCegarLoop]: Abstraction has 75 states and 87 transitions. [2020-11-30 00:35:44,546 INFO L594 BuchiCegarLoop]: Abstraction has 75 states and 87 transitions. [2020-11-30 00:35:44,547 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-30 00:35:44,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states and 87 transitions. [2020-11-30 00:35:44,557 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-30 00:35:44,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:35:44,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:35:44,558 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:44,559 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-30 00:35:44,559 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~ite12;havoc main_#t~mem13;havoc main_#t~ret11; 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 [2020-11-30 00:35:44,559 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 [2020-11-30 00:35:44,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:44,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1312873862, now seen corresponding path program 2 times [2020-11-30 00:35:44,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:44,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110092853] [2020-11-30 00:35:44,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:44,584 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:44,609 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:44,616 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:35:44,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:44,617 INFO L82 PathProgramCache]: Analyzing trace with hash 29951, now seen corresponding path program 2 times [2020-11-30 00:35:44,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:44,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809037743] [2020-11-30 00:35:44,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:44,624 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:44,630 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:44,632 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:35:44,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:44,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1853025306, now seen corresponding path program 3 times [2020-11-30 00:35:44,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:44,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683865959] [2020-11-30 00:35:44,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:44,689 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:44,747 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:44,754 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:35:44,909 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2020-11-30 00:35:45,148 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-11-30 00:35:45,577 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 84 [2020-11-30 00:35:47,439 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 214 DAG size of output: 179 [2020-11-30 00:35:47,901 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-11-30 00:35:48,261 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-30 00:35:48,626 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-11-30 00:35:48,633 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:35:48,634 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:35:48,634 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:35:48,634 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:35:48,634 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:35:48,634 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:48,634 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:35:48,634 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:35:48,634 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration6_Lasso [2020-11-30 00:35:48,634 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:35:48,634 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:35:48,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,850 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-11-30 00:35:48,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:48,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:49,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:49,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:49,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:49,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:49,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:49,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:49,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:49,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:49,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:49,803 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-11-30 00:35:49,915 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:35:49,916 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:49,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:49,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:49,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:49,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:49,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:49,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:49,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:49,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:35:49,923 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:49,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:49,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:49,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:49,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:49,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:49,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:49,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:35:49,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:49,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:49,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:49,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:49,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:49,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:49,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:49,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:35:49,999 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:50,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:50,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:50,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:50,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:50,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:50,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:50,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:35:50,040 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:50,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:50,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:50,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:50,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:50,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:50,065 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:50,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:35:50,067 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:50,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:50,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:50,097 INFO L203 nArgumentSynthesizer]: 16 stem disjuncts [2020-11-30 00:35:50,097 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 00:35:50,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:50,162 INFO L401 nArgumentSynthesizer]: We have 76 Motzkin's Theorem applications. [2020-11-30 00:35:50,162 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 00:35:50,227 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:50,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:50,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:50,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:50,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:50,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:50,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:50,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:35:50,301 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8753582b-42e7-410b-be58-c92acb3782bb/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 [2020-11-30 00:35:50,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:50,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:50,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:50,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:50,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:50,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:35:50,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:35:50,408 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:35:50,446 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-30 00:35:50,446 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_8753582b-42e7-410b-be58-c92acb3782bb/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:35:50,449 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:50,456 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 00:35:50,456 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:35:50,456 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 [] [2020-11-30 00:35:50,503 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2020-11-30 00:35:50,505 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 00:35:50,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:50,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 00:35:50,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:35:50,640 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:35:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:50,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjunts are in the unsatisfiable core [2020-11-30 00:35:50,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:35:50,727 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:35:50,727 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 [2020-11-30 00:35:50,728 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:35:50,773 INFO L625 ElimStorePlain]: treesize reduction 20, result has 67.7 percent of original size [2020-11-30 00:35:50,775 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 00:35:50,775 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:21 [2020-11-30 00:35:50,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:50,804 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 [2020-11-30 00:35:50,804 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 75 states and 87 transitions. cyclomatic complexity: 18 Second operand 5 states. [2020-11-30 00:35:50,929 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. [2020-11-30 00:35:50,934 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 [2020-11-30 00:35:50,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-30 00:35:50,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2020-11-30 00:35:50,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 20 letters. Loop has 3 letters. [2020-11-30 00:35:50,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:35:50,938 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-30 00:35:50,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:51,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 00:35:51,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:35:51,063 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:35:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:51,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjunts are in the unsatisfiable core [2020-11-30 00:35:51,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:35:51,155 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:35:51,155 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 [2020-11-30 00:35:51,156 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:35:51,189 INFO L625 ElimStorePlain]: treesize reduction 20, result has 67.7 percent of original size [2020-11-30 00:35:51,192 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 00:35:51,192 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:21 [2020-11-30 00:35:51,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:51,210 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 [2020-11-30 00:35:51,210 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 75 states and 87 transitions. cyclomatic complexity: 18 Second operand 5 states. [2020-11-30 00:35:51,287 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. [2020-11-30 00:35:51,289 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 [2020-11-30 00:35:51,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-30 00:35:51,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2020-11-30 00:35:51,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 20 letters. Loop has 3 letters. [2020-11-30 00:35:51,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:35:51,290 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-30 00:35:51,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:51,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 00:35:51,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:35:51,375 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:35:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:51,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjunts are in the unsatisfiable core [2020-11-30 00:35:51,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:35:51,474 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:35:51,474 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 [2020-11-30 00:35:51,475 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:35:51,515 INFO L625 ElimStorePlain]: treesize reduction 20, result has 67.7 percent of original size [2020-11-30 00:35:51,517 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 00:35:51,517 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:21 [2020-11-30 00:35:51,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:51,534 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 [2020-11-30 00:35:51,534 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 75 states and 87 transitions. cyclomatic complexity: 18 Second operand 5 states. [2020-11-30 00:35:51,698 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. [2020-11-30 00:35:51,699 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 [2020-11-30 00:35:51,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-30 00:35:51,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2020-11-30 00:35:51,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 20 letters. Loop has 3 letters. [2020-11-30 00:35:51,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:35:51,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 23 letters. Loop has 3 letters. [2020-11-30 00:35:51,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:35:51,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 20 letters. Loop has 6 letters. [2020-11-30 00:35:51,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:35:51,702 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 117 states and 132 transitions. [2020-11-30 00:35:51,705 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:35:51,706 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 117 states to 0 states and 0 transitions. [2020-11-30 00:35:51,706 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 00:35:51,706 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 00:35:51,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 00:35:51,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:35:51,706 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:35:51,707 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:35:51,707 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:35:51,707 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-11-30 00:35:51,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:35:51,707 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:35:51,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 00:35:51,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:35:51 BoogieIcfgContainer [2020-11-30 00:35:51,714 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:35:51,715 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:35:51,715 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:35:51,716 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:35:51,716 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:25" (3/4) ... [2020-11-30 00:35:51,720 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:35:51,720 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:35:51,721 INFO L168 Benchmark]: Toolchain (without parser) took 26729.50 ms. Allocated memory was 100.7 MB in the beginning and 308.3 MB in the end (delta: 207.6 MB). Free memory was 67.7 MB in the beginning and 103.2 MB in the end (delta: -35.4 MB). Peak memory consumption was 171.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:51,722 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 77.6 MB. Free memory was 48.7 MB in the beginning and 48.7 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:35:51,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.37 ms. Allocated memory is still 100.7 MB. Free memory was 67.4 MB in the beginning and 78.8 MB in the end (delta: -11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:51,723 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.95 ms. Allocated memory is still 100.7 MB. Free memory was 78.2 MB in the beginning and 77.3 MB in the end (delta: 861.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:35:51,723 INFO L168 Benchmark]: Boogie Preprocessor took 28.42 ms. Allocated memory is still 100.7 MB. Free memory was 77.3 MB in the beginning and 76.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:51,724 INFO L168 Benchmark]: RCFGBuilder took 452.52 ms. Allocated memory is still 100.7 MB. Free memory was 76.1 MB in the beginning and 62.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:51,724 INFO L168 Benchmark]: BuchiAutomizer took 25885.24 ms. Allocated memory was 100.7 MB in the beginning and 308.3 MB in the end (delta: 207.6 MB). Free memory was 62.0 MB in the beginning and 103.2 MB in the end (delta: -41.1 MB). Peak memory consumption was 168.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:51,725 INFO L168 Benchmark]: Witness Printer took 5.19 ms. Allocated memory is still 308.3 MB. Free memory is still 103.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:35:51,728 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 77.6 MB. Free memory was 48.7 MB in the beginning and 48.7 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 308.37 ms. Allocated memory is still 100.7 MB. Free memory was 67.4 MB in the beginning and 78.8 MB in the end (delta: -11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.95 ms. Allocated memory is still 100.7 MB. Free memory was 78.2 MB in the beginning and 77.3 MB in the end (delta: 861.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.42 ms. Allocated memory is still 100.7 MB. Free memory was 77.3 MB in the beginning and 76.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 452.52 ms. Allocated memory is still 100.7 MB. Free memory was 76.1 MB in the beginning and 62.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 25885.24 ms. Allocated memory was 100.7 MB in the beginning and 308.3 MB in the end (delta: 207.6 MB). Free memory was 62.0 MB in the beginning and 103.2 MB in the end (delta: -41.1 MB). Peak memory consumption was 168.1 MB. Max. memory is 16.1 GB. * Witness Printer took 5.19 ms. Allocated memory is still 308.3 MB. Free memory is still 103.2 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@1a820e36 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 25.8s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 21.7s. Construction of modules took 0.5s. Büchi inclusion checks took 3.2s. 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, 0.5s 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: 265ms 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...