./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/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 32bit --witnessprinter.graph.data.programhash 25c50494ad64d3207b5cd57d9b83fbf1aea0c348 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:11:04,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:11:04,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:11:04,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:11:04,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:11:04,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:11:04,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:11:04,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:11:04,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:11:04,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:11:04,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:11:04,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:11:04,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:11:04,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:11:04,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:11:04,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:11:04,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:11:04,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:11:04,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:11:04,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:11:04,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:11:04,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:11:04,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:11:04,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:11:04,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:11:04,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:11:04,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:11:04,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:11:04,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:11:04,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:11:04,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:11:04,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:11:04,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:11:04,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:11:04,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:11:04,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:11:04,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:11:04,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:11:04,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:11:04,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:11:04,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:11:04,717 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 20:11:04,774 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:11:04,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:11:04,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:11:04,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:11:04,778 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:11:04,778 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 20:11:04,778 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 20:11:04,779 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 20:11:04,779 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 20:11:04,779 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 20:11:04,781 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 20:11:04,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:11:04,782 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:11:04,782 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:11:04,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:11:04,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:11:04,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:11:04,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 20:11:04,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 20:11:04,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 20:11:04,784 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:11:04,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:11:04,785 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 20:11:04,785 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:11:04,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 20:11:04,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:11:04,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:11:04,786 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 20:11:04,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:11:04,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:11:04,790 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:11:04,790 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 20:11:04,792 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 20:11:04,792 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_e29f2df5-6e55-433a-b934-a6c7434b9a34/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25c50494ad64d3207b5cd57d9b83fbf1aea0c348 [2020-11-29 20:11:05,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:11:05,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:11:05,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:11:05,182 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:11:05,183 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:11:05,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2020-11-29 20:11:05,284 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/data/3697c6e2a/28b31eb93be14875a984d86d7bf68721/FLAG60479d19f [2020-11-29 20:11:06,047 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:11:06,048 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2020-11-29 20:11:06,067 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/data/3697c6e2a/28b31eb93be14875a984d86d7bf68721/FLAG60479d19f [2020-11-29 20:11:06,204 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/data/3697c6e2a/28b31eb93be14875a984d86d7bf68721 [2020-11-29 20:11:06,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:11:06,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:11:06,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:11:06,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:11:06,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:11:06,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:11:06" (1/1) ... [2020-11-29 20:11:06,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c095e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:11:06, skipping insertion in model container [2020-11-29 20:11:06,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:11:06" (1/1) ... [2020-11-29 20:11:06,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:11:06,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:11:07,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:11:07,152 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:11:07,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:11:07,463 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:11:07,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:11:07 WrapperNode [2020-11-29 20:11:07,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:11:07,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:11:07,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:11:07,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:11:07,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:11:07" (1/1) ... [2020-11-29 20:11:07,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:11:07" (1/1) ... [2020-11-29 20:11:07,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:11:07,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:11:07,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:11:07,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:11:07,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:11:07" (1/1) ... [2020-11-29 20:11:07,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:11:07" (1/1) ... [2020-11-29 20:11:07,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:11:07" (1/1) ... [2020-11-29 20:11:07,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:11:07" (1/1) ... [2020-11-29 20:11:07,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:11:07" (1/1) ... [2020-11-29 20:11:07,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:11:07" (1/1) ... [2020-11-29 20:11:07,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:11:07" (1/1) ... [2020-11-29 20:11:07,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:11:07,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:11:07,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:11:07,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:11:07,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:11:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 20:11:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 20:11:07,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:11:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 20:11:07,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 20:11:07,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-29 20:11:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:11:07,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:11:08,403 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:11:08,403 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-11-29 20:11:08,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:11:08 BoogieIcfgContainer [2020-11-29 20:11:08,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:11:08,408 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 20:11:08,408 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 20:11:08,413 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 20:11:08,415 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:11:08,415 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 08:11:06" (1/3) ... [2020-11-29 20:11:08,418 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34848c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:11:08, skipping insertion in model container [2020-11-29 20:11:08,418 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:11:08,418 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:11:07" (2/3) ... [2020-11-29 20:11:08,419 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34848c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:11:08, skipping insertion in model container [2020-11-29 20:11:08,419 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:11:08,420 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:11:08" (3/3) ... [2020-11-29 20:11:08,422 INFO L373 chiAutomizerObserver]: Analyzing ICFG memleaks_test18_2.i [2020-11-29 20:11:08,494 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 20:11:08,495 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 20:11:08,495 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 20:11:08,495 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:11:08,496 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:11:08,496 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 20:11:08,496 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:11:08,496 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 20:11:08,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-11-29 20:11:08,541 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-11-29 20:11:08,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:11:08,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:11:08,550 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-29 20:11:08,551 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-29 20:11:08,551 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 20:11:08,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-11-29 20:11:08,553 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-11-29 20:11:08,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:11:08,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:11:08,555 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-29 20:11:08,555 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-29 20:11:08,561 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 11#L-1true havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 4#L526true assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 17#L529true entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 12#L766true assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 15#L767-3true [2020-11-29 20:11:08,562 INFO L796 eck$LassoCheckResult]: Loop: 15#L767-3true assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 6#L526-1true assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 18#L529-1true entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 8#L769true assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 14#L767-2true entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 15#L767-3true [2020-11-29 20:11:08,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:11:08,571 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2020-11-29 20:11:08,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:11:08,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820143361] [2020-11-29 20:11:08,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:11:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:11:08,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:11:08,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820143361] [2020-11-29 20:11:08,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:11:08,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:11:08,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675868824] [2020-11-29 20:11:08,878 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 20:11:08,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:11:08,886 INFO L82 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 1 times [2020-11-29 20:11:08,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:11:08,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20972811] [2020-11-29 20:11:08,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:11:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:08,945 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:08,969 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:09,015 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:11:09,472 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2020-11-29 20:11:09,672 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-11-29 20:11:09,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:11:09,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:11:09,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:11:09,699 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 4 states. [2020-11-29 20:11:09,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:11:09,810 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2020-11-29 20:11:09,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 20:11:09,813 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2020-11-29 20:11:09,817 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2020-11-29 20:11:09,825 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 20 states and 23 transitions. [2020-11-29 20:11:09,827 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2020-11-29 20:11:09,827 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2020-11-29 20:11:09,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2020-11-29 20:11:09,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:11:09,830 INFO L691 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-11-29 20:11:09,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2020-11-29 20:11:09,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2020-11-29 20:11:09,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-29 20:11:09,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2020-11-29 20:11:09,865 INFO L714 BuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2020-11-29 20:11:09,865 INFO L594 BuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2020-11-29 20:11:09,865 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 20:11:09,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2020-11-29 20:11:09,869 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-11-29 20:11:09,869 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:11:09,869 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:11:09,870 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-29 20:11:09,870 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-29 20:11:09,870 INFO L794 eck$LassoCheckResult]: Stem: 72#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 69#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 62#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 63#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 70#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 71#L767-3 [2020-11-29 20:11:09,871 INFO L796 eck$LassoCheckResult]: Loop: 71#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 64#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 65#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 66#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 68#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 71#L767-3 [2020-11-29 20:11:09,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:11:09,873 INFO L82 PathProgramCache]: Analyzing trace with hash 28693831, now seen corresponding path program 1 times [2020-11-29 20:11:09,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:11:09,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820478959] [2020-11-29 20:11:09,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:11:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:09,922 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:09,956 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:09,968 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:11:09,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:11:09,969 INFO L82 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 2 times [2020-11-29 20:11:09,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:11:09,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975507659] [2020-11-29 20:11:09,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:11:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:10,013 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:10,041 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:10,047 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:11:10,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:11:10,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1173278059, now seen corresponding path program 1 times [2020-11-29 20:11:10,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:11:10,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735063954] [2020-11-29 20:11:10,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:11:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:10,129 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:10,157 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:10,168 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:11:10,471 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2020-11-29 20:11:10,616 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-11-29 20:11:10,990 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2020-11-29 20:11:11,160 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-11-29 20:11:11,179 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:11:11,181 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:11:11,181 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:11:11,182 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:11:11,183 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 20:11:11,183 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:11,184 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:11:11,184 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:11:11,184 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_2.i_Iteration2_Lasso [2020-11-29 20:11:11,185 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:11:11,185 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:11:11,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:11,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:11,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:11,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:11,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:11,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:11,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:11,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:11,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:11,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:11,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:11,737 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-11-29 20:11:11,941 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-11-29 20:11:11,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:11,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:12,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:12,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:12,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:12,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:12,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:12,512 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-11-29 20:11:12,621 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-11-29 20:11:13,037 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2020-11-29 20:11:13,375 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:11:13,382 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:13,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:13,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:13,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:13,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:13,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:13,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:11:13,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:11:13,430 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:13,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:13,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:13,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:11:13,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:13,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:13,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:13,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:11:13,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:11:13,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:13,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:13,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:13,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:11:13,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:13,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:13,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:13,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:11:13,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:11:13,526 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:13,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:13,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:13,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:11:13,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:13,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:13,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:13,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:11:13,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:11:13,570 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/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) [2020-11-29 20:11:13,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:13,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:13,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:13,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:13,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:13,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:11:13,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:13,645 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:13,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:13,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:13,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:11:13,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:13,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:13,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:13,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:11:13,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:11:13,702 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:13,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:13,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:13,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:11:13,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:13,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:13,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:13,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:11:13,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:11:13,744 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:13,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:13,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:13,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:11:13,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:13,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:13,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:13,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:11:13,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:11:13,782 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:13,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:13,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:13,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:13,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:13,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:13,819 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:11:13,819 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:11:13,844 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:13,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:13,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:13,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:13,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:13,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:13,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:11:13,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:11:13,944 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:13,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:13,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:13,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:13,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:13,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:13,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:11:13,978 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:11:13,984 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:14,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:14,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:14,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:14,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:14,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:14,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:11:14,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:11:14,042 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:14,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:14,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:14,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:11:14,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:14,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:14,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:14,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:11:14,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:11:14,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:14,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:14,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:14,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:14,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:14,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:14,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:11:14,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:11:14,123 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:14,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:14,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:14,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:11:14,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:14,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:14,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:14,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:11:14,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:11:14,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:14,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:14,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:14,193 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-11-29 20:11:14,193 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 20:11:14,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:14,237 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2020-11-29 20:11:14,237 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-29 20:11:14,280 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:14,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:14,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:14,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:14,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:14,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:14,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:11:14,360 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:11:14,396 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 20:11:14,568 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-11-29 20:11:14,568 INFO L444 ModelExtractionUtils]: 18 out of 43 variables were initially zero. Simplification set additionally 20 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:11:14,579 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:14,624 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-29 20:11:14,625 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 20:11:14,626 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~i~0) = -2*ULTIMATE.start_entry_point_~i~0 + 19 Supporting invariants [-1*ULTIMATE.start_entry_point_~len~0 + 10 >= 0] [2020-11-29 20:11:14,746 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2020-11-29 20:11:14,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:11:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:11:14,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 20:11:14,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:11:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:11:14,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 20:11:14,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:11:14,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:11:14,941 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-11-29 20:11:14,942 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand 4 states. [2020-11-29 20:11:15,030 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 21 states and 26 transitions. Complement of second has 5 states. [2020-11-29 20:11:15,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-29 20:11:15,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-29 20:11:15,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2020-11-29 20:11:15,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 5 letters. Loop has 5 letters. [2020-11-29 20:11:15,036 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:11:15,036 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 10 letters. Loop has 5 letters. [2020-11-29 20:11:15,036 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:11:15,036 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 5 letters. Loop has 10 letters. [2020-11-29 20:11:15,037 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:11:15,037 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2020-11-29 20:11:15,038 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 20:11:15,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 21 transitions. [2020-11-29 20:11:15,039 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-11-29 20:11:15,039 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2020-11-29 20:11:15,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2020-11-29 20:11:15,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 20:11:15,040 INFO L691 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2020-11-29 20:11:15,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2020-11-29 20:11:15,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-11-29 20:11:15,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-29 20:11:15,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2020-11-29 20:11:15,047 INFO L714 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2020-11-29 20:11:15,047 INFO L594 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2020-11-29 20:11:15,047 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 20:11:15,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2020-11-29 20:11:15,049 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 20:11:15,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:11:15,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:11:15,052 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:11:15,052 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 20:11:15,052 INFO L794 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 187#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 177#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 178#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 188#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 189#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 179#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 180#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 183#L769 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 184#L769-1 entry_point_~j~0 := entry_point_~i~0 - 1; 176#L774-3 [2020-11-29 20:11:15,053 INFO L796 eck$LassoCheckResult]: Loop: 176#L774-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 175#L774-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 176#L774-3 [2020-11-29 20:11:15,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:11:15,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1173218534, now seen corresponding path program 1 times [2020-11-29 20:11:15,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:11:15,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604960873] [2020-11-29 20:11:15,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:11:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:15,088 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:15,116 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:15,123 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:11:15,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:11:15,127 INFO L82 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 1 times [2020-11-29 20:11:15,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:11:15,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403873864] [2020-11-29 20:11:15,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:11:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:15,144 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:15,150 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:15,157 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:11:15,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:11:15,159 INFO L82 PathProgramCache]: Analyzing trace with hash 2113389244, now seen corresponding path program 1 times [2020-11-29 20:11:15,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:11:15,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370206923] [2020-11-29 20:11:15,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:11:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:11:15,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:11:15,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370206923] [2020-11-29 20:11:15,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:11:15,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:11:15,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742496307] [2020-11-29 20:11:15,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:11:15,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:11:15,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:11:15,314 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand 4 states. [2020-11-29 20:11:15,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:11:15,373 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2020-11-29 20:11:15,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 20:11:15,375 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2020-11-29 20:11:15,376 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 20:11:15,377 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 21 states and 25 transitions. [2020-11-29 20:11:15,377 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2020-11-29 20:11:15,378 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2020-11-29 20:11:15,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2020-11-29 20:11:15,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 20:11:15,378 INFO L691 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-11-29 20:11:15,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2020-11-29 20:11:15,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2020-11-29 20:11:15,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-29 20:11:15,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2020-11-29 20:11:15,385 INFO L714 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2020-11-29 20:11:15,385 INFO L594 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2020-11-29 20:11:15,385 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 20:11:15,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2020-11-29 20:11:15,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 20:11:15,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:11:15,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:11:15,388 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:11:15,388 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 20:11:15,389 INFO L794 eck$LassoCheckResult]: Stem: 244#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 241#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 231#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 232#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 242#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 243#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 235#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 236#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 239#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 240#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 245#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 233#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 234#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 237#L769 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 238#L769-1 entry_point_~j~0 := entry_point_~i~0 - 1; 230#L774-3 [2020-11-29 20:11:15,389 INFO L796 eck$LassoCheckResult]: Loop: 230#L774-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 229#L774-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 230#L774-3 [2020-11-29 20:11:15,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:11:15,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1659616398, now seen corresponding path program 1 times [2020-11-29 20:11:15,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:11:15,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220463077] [2020-11-29 20:11:15,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:11:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:11:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:11:15,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220463077] [2020-11-29 20:11:15,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:11:15,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:11:15,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612525784] [2020-11-29 20:11:15,576 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 20:11:15,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:11:15,577 INFO L82 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 2 times [2020-11-29 20:11:15,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:11:15,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457872360] [2020-11-29 20:11:15,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:11:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:15,583 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:15,587 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:15,590 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:11:15,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:11:15,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:11:15,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:11:15,637 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-11-29 20:11:15,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:11:15,716 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2020-11-29 20:11:15,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 20:11:15,717 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 26 transitions. [2020-11-29 20:11:15,719 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-29 20:11:15,720 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 22 states and 24 transitions. [2020-11-29 20:11:15,720 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2020-11-29 20:11:15,720 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-11-29 20:11:15,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 24 transitions. [2020-11-29 20:11:15,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 20:11:15,721 INFO L691 BuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2020-11-29 20:11:15,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 24 transitions. [2020-11-29 20:11:15,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2020-11-29 20:11:15,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-29 20:11:15,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2020-11-29 20:11:15,723 INFO L714 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2020-11-29 20:11:15,723 INFO L594 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2020-11-29 20:11:15,723 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-29 20:11:15,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2020-11-29 20:11:15,730 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 20:11:15,731 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:11:15,731 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:11:15,734 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:11:15,734 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 20:11:15,735 INFO L794 eck$LassoCheckResult]: Stem: 294#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 291#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 281#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 282#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 292#L766 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 293#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 285#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 286#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 289#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 290#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 295#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 283#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 284#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 287#L769 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 288#L769-1 entry_point_~j~0 := entry_point_~i~0 - 1; 280#L774-3 [2020-11-29 20:11:15,735 INFO L796 eck$LassoCheckResult]: Loop: 280#L774-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 279#L774-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 280#L774-3 [2020-11-29 20:11:15,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:11:15,736 INFO L82 PathProgramCache]: Analyzing trace with hash 979558028, now seen corresponding path program 1 times [2020-11-29 20:11:15,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:11:15,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389772514] [2020-11-29 20:11:15,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:11:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:15,784 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:15,820 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:15,835 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:11:15,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:11:15,837 INFO L82 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 3 times [2020-11-29 20:11:15,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:11:15,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76949021] [2020-11-29 20:11:15,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:11:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:15,851 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:15,855 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:15,858 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:11:15,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:11:15,859 INFO L82 PathProgramCache]: Analyzing trace with hash 757428654, now seen corresponding path program 1 times [2020-11-29 20:11:15,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:11:15,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317255331] [2020-11-29 20:11:15,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:11:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:15,915 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:11:15,955 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:11:15,973 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:11:17,126 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 168 DAG size of output: 144 [2020-11-29 20:11:17,442 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-11-29 20:11:17,446 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:11:17,446 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:11:17,446 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:11:17,446 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:11:17,446 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 20:11:17,446 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:17,447 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:11:17,447 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:11:17,447 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_2.i_Iteration5_Lasso [2020-11-29 20:11:17,447 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:11:17,447 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:11:17,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,901 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-11-29 20:11:17,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:17,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:11:18,787 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2020-11-29 20:11:18,824 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:11:18,824 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:18,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:18,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:18,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:11:18,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:18,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:18,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:18,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:11:18,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:11:18,839 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:18,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:18,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:18,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:18,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:18,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:18,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:11:18,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:11:18,881 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:18,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:18,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:18,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:11:18,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:18,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:18,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:18,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:11:18,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:11:18,915 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:18,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:18,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:18,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:11:18,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:18,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:18,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:18,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:11:18,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:11:18,947 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/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 [2020-11-29 20:11:18,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:18,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:18,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:18,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:18,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:18,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:11:18,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:11:19,010 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/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) [2020-11-29 20:11:19,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:19,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:19,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:19,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:19,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:19,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:11:19,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:19,066 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:19,106 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 [2020-11-29 20:11:19,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:19,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:11:19,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:19,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:19,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:19,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:11:19,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:11:19,110 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/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) [2020-11-29 20:11:19,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:19,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:19,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:19,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:19,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:19,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:11:19,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:11:19,154 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:19,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:19,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:19,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:11:19,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:19,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:19,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:19,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:11:19,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:11:19,194 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:19,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:19,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:19,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:11:19,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:19,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:19,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:19,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:11:19,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:11:19,227 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:19,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:19,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:19,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:11:19,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:19,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:19,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:19,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:11:19,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:11:19,264 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/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 [2020-11-29 20:11:19,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:19,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:19,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:19,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:19,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:19,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:11:19,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:11:19,309 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:19,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:19,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:19,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:11:19,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:19,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:19,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:19,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:11:19,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:11:19,341 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:19,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:19,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:19,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:11:19,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:19,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:19,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:19,372 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:11:19,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:11:19,384 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:11:19,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:19,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:19,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:19,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:19,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:19,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:11:19,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:11:19,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:19,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:19,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:19,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:19,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:19,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:19,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:11:19,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:11:19,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:19,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:19,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:19,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:19,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:19,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:19,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:11:19,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:11:19,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/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) [2020-11-29 20:11:19,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:19,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:19,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:11:19,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:19,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:19,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:19,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:11:19,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 20:11:19,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:11:19,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:19,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:19,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:11:19,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:19,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:19,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:11:19,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:11:19,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:19,674 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:11:19,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 20:11:19,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:11:19,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:11:19,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:11:19,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:19,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 20:11:19,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 20:11:19,757 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 20:11:19,792 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2020-11-29 20:11:19,792 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e29f2df5-6e55-433a-b934-a6c7434b9a34/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:11:19,801 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 20:11:19,806 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 20:11:19,806 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 20:11:19,807 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_entry_point_~array~0.base)_2, ULTIMATE.start_entry_point_~j~0) = 1*v_rep(select #length ULTIMATE.start_entry_point_~array~0.base)_2 + 8*ULTIMATE.start_entry_point_~j~0 Supporting invariants [] [2020-11-29 20:11:19,850 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2020-11-29 20:11:19,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 20:11:19,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:11:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:11:19,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:11:19,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:11:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:11:19,932 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 20:11:19,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:11:19,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:11:19,968 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-29 20:11:19,968 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand 3 states. [2020-11-29 20:11:19,985 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 19 states and 22 transitions. Complement of second has 4 states. [2020-11-29 20:11:19,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-29 20:11:19,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 20:11:19,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2020-11-29 20:11:19,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 15 letters. Loop has 2 letters. [2020-11-29 20:11:19,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:11:19,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 17 letters. Loop has 2 letters. [2020-11-29 20:11:19,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:11:19,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 15 letters. Loop has 4 letters. [2020-11-29 20:11:19,988 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:11:19,988 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2020-11-29 20:11:19,989 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:11:19,989 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2020-11-29 20:11:19,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 20:11:19,989 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 20:11:19,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 20:11:19,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:11:19,990 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:11:19,990 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:11:19,990 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:11:19,990 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-29 20:11:19,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:11:19,990 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:11:19,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 20:11:19,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 08:11:19 BoogieIcfgContainer [2020-11-29 20:11:19,995 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 20:11:19,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:11:19,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:11:19,996 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:11:19,996 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:11:08" (3/4) ... [2020-11-29 20:11:20,000 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 20:11:20,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:11:20,001 INFO L168 Benchmark]: Toolchain (without parser) took 13791.59 ms. Allocated memory was 94.4 MB in the beginning and 188.7 MB in the end (delta: 94.4 MB). Free memory was 64.8 MB in the beginning and 131.8 MB in the end (delta: -67.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:11:20,001 INFO L168 Benchmark]: CDTParser took 1.03 ms. Allocated memory is still 94.4 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:11:20,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1256.92 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 64.5 MB in the beginning and 94.0 MB in the end (delta: -29.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:11:20,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.88 ms. Allocated memory is still 117.4 MB. Free memory was 93.9 MB in the beginning and 93.3 MB in the end (delta: 568.5 kB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:11:20,003 INFO L168 Benchmark]: Boogie Preprocessor took 81.88 ms. Allocated memory is still 117.4 MB. Free memory was 93.3 MB in the beginning and 92.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:11:20,004 INFO L168 Benchmark]: RCFGBuilder took 715.35 ms. Allocated memory is still 117.4 MB. Free memory was 91.8 MB in the beginning and 76.0 MB in the end (delta: 15.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 20:11:20,005 INFO L168 Benchmark]: BuchiAutomizer took 11587.46 ms. Allocated memory was 117.4 MB in the beginning and 188.7 MB in the end (delta: 71.3 MB). Free memory was 76.0 MB in the beginning and 131.8 MB in the end (delta: -55.8 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:11:20,005 INFO L168 Benchmark]: Witness Printer took 4.01 ms. Allocated memory is still 188.7 MB. Free memory is still 131.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:11:20,009 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03 ms. Allocated memory is still 94.4 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1256.92 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 64.5 MB in the beginning and 94.0 MB in the end (delta: -29.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 136.88 ms. Allocated memory is still 117.4 MB. Free memory was 93.9 MB in the beginning and 93.3 MB in the end (delta: 568.5 kB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.88 ms. Allocated memory is still 117.4 MB. Free memory was 93.3 MB in the beginning and 92.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 715.35 ms. Allocated memory is still 117.4 MB. Free memory was 91.8 MB in the beginning and 76.0 MB in the end (delta: 15.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 11587.46 ms. Allocated memory was 117.4 MB in the beginning and 188.7 MB in the end (delta: 71.3 MB). Free memory was 76.0 MB in the beginning and 131.8 MB in the end (delta: -55.8 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.01 ms. Allocated memory is still 188.7 MB. Free memory is still 131.8 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 #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 19 and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[array] + 8 * j and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.5s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 10.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 85 SDtfs, 63 SDslu, 72 SDs, 0 SdLazy, 59 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU2 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital245 mio100 ax112 hnf101 lsp82 ukn56 mio100 lsp54 div100 bol100 ite100 ukn100 eq188 hnf88 smp100 dnf131 smp92 tf100 neg96 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 92ms VariablesStem: 7 VariablesLoop: 8 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...