./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.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_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/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 fa1df4216228ace3c3c1088507575f9600e9db06 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:09:47,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:09:47,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:09:47,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:09:47,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:09:47,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:09:47,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:09:47,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:09:47,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:09:47,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:09:47,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:09:47,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:09:47,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:09:47,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:09:47,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:09:47,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:09:47,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:09:47,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:09:47,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:09:47,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:09:47,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:09:47,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:09:47,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:09:47,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:09:47,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:09:47,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:09:47,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:09:47,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:09:47,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:09:47,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:09:47,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:09:47,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:09:47,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:09:47,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:09:47,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:09:47,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:09:47,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:09:47,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:09:47,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:09:47,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:09:47,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:09:47,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:09:47,790 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:09:47,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:09:47,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:09:47,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:09:47,791 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:09:47,792 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:09:47,792 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:09:47,792 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:09:47,792 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:09:47,792 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:09:47,792 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:09:47,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:09:47,793 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:09:47,793 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:09:47,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:09:47,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:09:47,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:09:47,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:09:47,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:09:47,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:09:47,794 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:09:47,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:09:47,795 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:09:47,795 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:09:47,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:09:47,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:09:47,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:09:47,796 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:09:47,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:09:47,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:09:47,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:09:47,796 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:09:47,797 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:09:47,798 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_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa1df4216228ace3c3c1088507575f9600e9db06 [2020-11-28 03:09:48,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:09:48,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:09:48,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:09:48,062 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:09:48,063 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:09:48,063 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2020-11-28 03:09:48,133 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/data/dc316ce04/e4955a6ee6bb4de28ff2cdaf99875630/FLAGbf7139df3 [2020-11-28 03:09:48,654 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:09:48,655 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2020-11-28 03:09:48,672 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/data/dc316ce04/e4955a6ee6bb4de28ff2cdaf99875630/FLAGbf7139df3 [2020-11-28 03:09:48,985 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/data/dc316ce04/e4955a6ee6bb4de28ff2cdaf99875630 [2020-11-28 03:09:48,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:09:48,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:09:49,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:09:49,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:09:49,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:09:49,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:48" (1/1) ... [2020-11-28 03:09:49,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41c06939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:49, skipping insertion in model container [2020-11-28 03:09:49,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:48" (1/1) ... [2020-11-28 03:09:49,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:09:49,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:09:49,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:09:49,389 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:09:49,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:09:49,540 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:09:49,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:49 WrapperNode [2020-11-28 03:09:49,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:09:49,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:09:49,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:09:49,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:09:49,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:49" (1/1) ... [2020-11-28 03:09:49,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:49" (1/1) ... [2020-11-28 03:09:49,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:09:49,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:09:49,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:09:49,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:09:49,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:49" (1/1) ... [2020-11-28 03:09:49,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:49" (1/1) ... [2020-11-28 03:09:49,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:49" (1/1) ... [2020-11-28 03:09:49,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:49" (1/1) ... [2020-11-28 03:09:49,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:49" (1/1) ... [2020-11-28 03:09:49,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:49" (1/1) ... [2020-11-28 03:09:49,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:49" (1/1) ... [2020-11-28 03:09:49,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:09:49,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:09:49,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:09:49,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:09:49,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:09:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:09:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:09:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:09:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:09:49,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:09:50,044 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:09:50,044 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:09:50,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:50 BoogieIcfgContainer [2020-11-28 03:09:50,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:09:50,046 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:09:50,047 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:09:50,050 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:09:50,050 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:09:50,051 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:09:48" (1/3) ... [2020-11-28 03:09:50,053 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20611850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:09:50, skipping insertion in model container [2020-11-28 03:09:50,053 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:09:50,053 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:49" (2/3) ... [2020-11-28 03:09:50,054 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20611850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:09:50, skipping insertion in model container [2020-11-28 03:09:50,054 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:09:50,054 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:50" (3/3) ... [2020-11-28 03:09:50,055 INFO L373 chiAutomizerObserver]: Analyzing ICFG stroeder2-alloca-1.i [2020-11-28 03:09:50,109 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:09:50,109 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:09:50,110 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:09:50,110 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:09:50,110 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:09:50,110 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:09:50,110 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:09:50,110 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:09:50,119 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-11-28 03:09:50,135 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-11-28 03:09:50,136 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:09:50,136 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:09:50,144 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:09:50,145 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:09:50,145 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:09:50,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-11-28 03:09:50,148 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-11-28 03:09:50,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:09:50,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:09:50,149 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:09:50,149 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:09:50,157 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~1, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 14#L529true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 18#L529-2true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~1 := 0; 10#L534-3true [2020-11-28 03:09:50,158 INFO L796 eck$LassoCheckResult]: Loop: 10#L534-3true assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet10; 8#L534-2true main_#t~post9 := main_~i~1;main_~i~1 := 1 + main_#t~post9;havoc main_#t~post9; 10#L534-3true [2020-11-28 03:09:50,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:50,169 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2020-11-28 03:09:50,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:50,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131910619] [2020-11-28 03:09:50,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:50,277 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:50,296 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:50,323 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:09:50,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:50,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2020-11-28 03:09:50,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:50,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287495775] [2020-11-28 03:09:50,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:50,352 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:50,371 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:50,379 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:09:50,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:50,381 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2020-11-28 03:09:50,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:50,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533791032] [2020-11-28 03:09:50,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:50,428 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:50,452 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:50,458 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:09:50,714 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-11-28 03:09:50,787 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:09:50,788 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:09:50,789 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:09:50,789 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:09:50,789 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:09:50,789 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:50,789 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:09:50,789 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:09:50,790 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-1.i_Iteration1_Lasso [2020-11-28 03:09:50,790 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:09:50,790 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:09:50,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:50,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:50,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:50,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:50,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:50,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:50,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:50,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:50,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:50,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:50,992 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-11-28 03:09:51,314 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:09:51,321 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:09:51,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:51,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:51,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:51,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:51,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:51,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:51,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:51,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:51,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/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 [2020-11-28 03:09:51,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:51,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:51,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:51,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:51,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:51,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:51,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:51,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:09:51,387 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/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 [2020-11-28 03:09:51,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:51,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:51,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:51,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:51,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:51,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:51,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:09:51,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:09:51,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:51,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:51,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:51,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:51,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:51,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:51,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:51,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/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) [2020-11-28 03:09:51,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:51,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:51,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:51,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:51,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:51,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:51,552 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 [2020-11-28 03:09:51,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:09:51,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:51,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:51,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:51,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:51,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:51,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:51,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:51,613 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:09:51,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:51,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:51,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:51,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:51,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:51,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:51,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:51,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:51,662 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:51,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:51,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:51,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:51,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:51,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:51,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:51,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:51,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:09:51,701 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:09:51,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:51,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:51,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:51,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:51,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:51,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:51,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:51,758 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:51,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:51,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:51,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:51,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:51,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:51,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:51,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:51,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:09:51,809 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/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) [2020-11-28 03:09:51,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:51,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:51,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:51,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:51,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:51,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:51,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:51,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:51,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/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) [2020-11-28 03:09:51,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:51,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:51,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:51,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:51,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:51,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:51,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:09:51,908 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/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) [2020-11-28 03:09:51,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:51,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:51,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:51,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:51,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:51,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:51,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:51,965 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:52,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:52,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:52,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:52,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:52,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:52,008 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:52,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:09:52,016 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:09:52,056 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 [2020-11-28 03:09:52,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:52,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:52,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:52,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:52,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:52,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:52,084 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:09:52,135 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-11-28 03:09:52,135 INFO L444 ModelExtractionUtils]: 1 out of 22 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:09:52,140 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:52,143 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-28 03:09:52,144 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:09:52,144 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1) = -4*ULTIMATE.start_main_~i~1 + 1*v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1 Supporting invariants [1*ULTIMATE.start_main_~numbers~0.offset >= 0] [2020-11-28 03:09:52,199 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2020-11-28 03:09:52,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 03:09:52,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:52,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:09:52,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:52,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:09:52,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:52,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:52,379 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 [2020-11-28 03:09:52,380 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2020-11-28 03:09:52,480 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 38 states and 53 transitions. Complement of second has 7 states. [2020-11-28 03:09:52,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:09:52,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:09:52,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2020-11-28 03:09:52,484 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-28 03:09:52,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:52,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 6 letters. Loop has 2 letters. [2020-11-28 03:09:52,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:52,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 4 letters. Loop has 4 letters. [2020-11-28 03:09:52,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:52,487 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 53 transitions. [2020-11-28 03:09:52,490 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:09:52,494 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 16 transitions. [2020-11-28 03:09:52,495 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-11-28 03:09:52,495 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-11-28 03:09:52,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2020-11-28 03:09:52,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:09:52,496 INFO L691 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2020-11-28 03:09:52,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2020-11-28 03:09:52,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-11-28 03:09:52,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-28 03:09:52,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2020-11-28 03:09:52,520 INFO L714 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2020-11-28 03:09:52,520 INFO L594 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2020-11-28 03:09:52,520 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:09:52,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2020-11-28 03:09:52,521 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:09:52,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:09:52,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:09:52,521 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:09:52,522 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:09:52,522 INFO L794 eck$LassoCheckResult]: Stem: 126#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 122#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~1, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 123#L529 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 131#L529-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~1 := 0; 127#L534-3 assume !(main_~i~1 < main_~array_size~0); 128#L534-4 sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~post4, sumOfThirdBytes_#t~mem5, sumOfThirdBytes_#t~post6, sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 125#L517-3 [2020-11-28 03:09:52,522 INFO L796 eck$LassoCheckResult]: Loop: 125#L517-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset; 129#L520-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 130#L520-1 assume !(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3; 124#L517-2 sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 125#L517-3 [2020-11-28 03:09:52,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:52,523 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2020-11-28 03:09:52,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:52,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82120588] [2020-11-28 03:09:52,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:52,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:52,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82120588] [2020-11-28 03:09:52,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:52,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:09:52,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798711718] [2020-11-28 03:09:52,580 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:09:52,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:52,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 1 times [2020-11-28 03:09:52,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:52,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600510241] [2020-11-28 03:09:52,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:52,600 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:52,614 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:52,616 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:09:52,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:52,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:09:52,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:09:52,674 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand 4 states. [2020-11-28 03:09:52,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:52,705 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2020-11-28 03:09:52,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:09:52,707 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2020-11-28 03:09:52,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:09:52,708 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2020-11-28 03:09:52,708 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-11-28 03:09:52,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-11-28 03:09:52,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2020-11-28 03:09:52,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:09:52,709 INFO L691 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2020-11-28 03:09:52,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2020-11-28 03:09:52,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2020-11-28 03:09:52,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-28 03:09:52,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2020-11-28 03:09:52,711 INFO L714 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-11-28 03:09:52,711 INFO L594 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-11-28 03:09:52,711 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:09:52,711 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2020-11-28 03:09:52,711 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:09:52,711 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:09:52,712 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:09:52,712 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:52,712 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:09:52,712 INFO L794 eck$LassoCheckResult]: Stem: 156#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 152#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~1, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 153#L529 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 163#L529-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~1 := 0; 157#L534-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet10; 154#L534-2 main_#t~post9 := main_~i~1;main_~i~1 := 1 + main_#t~post9;havoc main_#t~post9; 155#L534-3 assume !(main_~i~1 < main_~array_size~0); 158#L534-4 sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~post4, sumOfThirdBytes_#t~mem5, sumOfThirdBytes_#t~post6, sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 160#L517-3 [2020-11-28 03:09:52,712 INFO L796 eck$LassoCheckResult]: Loop: 160#L517-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset; 161#L520-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 162#L520-1 assume !(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3; 159#L517-2 sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 160#L517-3 [2020-11-28 03:09:52,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:52,713 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2020-11-28 03:09:52,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:52,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083529585] [2020-11-28 03:09:52,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:52,744 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:52,766 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:52,770 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:09:52,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:52,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 2 times [2020-11-28 03:09:52,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:52,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645436138] [2020-11-28 03:09:52,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:52,781 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:52,792 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:52,796 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:09:52,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:52,797 INFO L82 PathProgramCache]: Analyzing trace with hash -357810950, now seen corresponding path program 1 times [2020-11-28 03:09:52,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:52,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058339235] [2020-11-28 03:09:52,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:52,827 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:52,856 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:52,868 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:09:53,137 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2020-11-28 03:09:53,228 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:09:53,228 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:09:53,228 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:09:53,228 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:09:53,228 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:09:53,228 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:53,229 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:09:53,229 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:09:53,229 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-1.i_Iteration3_Lasso [2020-11-28 03:09:53,229 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:09:53,229 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:09:53,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:53,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:53,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:53,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:53,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:53,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:53,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:53,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:53,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:53,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:53,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:53,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:53,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:53,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:53,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:53,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:53,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:53,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:53,786 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:09:53,786 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:53,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:53,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:53,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:53,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:53,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:53,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:53,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:53,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:09:53,804 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:09:53,830 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:53,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:53,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:53,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:53,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:53,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:53,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:09:53,837 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:53,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:53,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:53,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:53,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:53,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:53,872 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:53,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:09:53,884 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:53,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:53,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:53,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:53,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:53,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:53,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:53,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:53,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:09:53,925 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:53,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:53,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:53,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:53,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:53,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:53,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:53,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:09:53,992 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:09:54,018 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-11-28 03:09:54,018 INFO L444 ModelExtractionUtils]: 34 out of 40 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:54,020 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:09:54,023 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:09:54,023 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:09:54,023 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sumOfThirdBytes_~array_size, ULTIMATE.start_sumOfThirdBytes_~i~0) = 1*ULTIMATE.start_sumOfThirdBytes_~array_size - 1*ULTIMATE.start_sumOfThirdBytes_~i~0 Supporting invariants [] [2020-11-28 03:09:54,067 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2020-11-28 03:09:54,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:54,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:09:54,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:54,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:09:54,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:54,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:54,130 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 [2020-11-28 03:09:54,130 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 3 states. [2020-11-28 03:09:54,146 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 17 states and 22 transitions. Complement of second has 4 states. [2020-11-28 03:09:54,147 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 [2020-11-28 03:09:54,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:09:54,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2020-11-28 03:09:54,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 8 letters. Loop has 4 letters. [2020-11-28 03:09:54,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:54,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2020-11-28 03:09:54,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:54,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 8 letters. Loop has 8 letters. [2020-11-28 03:09:54,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:54,149 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2020-11-28 03:09:54,150 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:09:54,150 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 16 states and 21 transitions. [2020-11-28 03:09:54,150 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-11-28 03:09:54,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-11-28 03:09:54,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2020-11-28 03:09:54,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:09:54,151 INFO L691 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2020-11-28 03:09:54,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2020-11-28 03:09:54,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2020-11-28 03:09:54,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-28 03:09:54,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2020-11-28 03:09:54,153 INFO L714 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2020-11-28 03:09:54,153 INFO L594 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2020-11-28 03:09:54,153 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-28 03:09:54,153 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2020-11-28 03:09:54,154 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:09:54,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:09:54,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:09:54,154 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:54,154 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:09:54,154 INFO L794 eck$LassoCheckResult]: Stem: 247#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 241#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~1, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 242#L529 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 255#L529-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~1 := 0; 248#L534-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet10; 243#L534-2 main_#t~post9 := main_~i~1;main_~i~1 := 1 + main_#t~post9;havoc main_#t~post9; 244#L534-3 assume !(main_~i~1 < main_~array_size~0); 249#L534-4 sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~post4, sumOfThirdBytes_#t~mem5, sumOfThirdBytes_#t~post6, sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 250#L517-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset; 252#L520-3 [2020-11-28 03:09:54,155 INFO L796 eck$LassoCheckResult]: Loop: 252#L520-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 253#L520-1 assume !!(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3;sumOfThirdBytes_#t~post4 := sumOfThirdBytes_~sum~0;sumOfThirdBytes_~sum~0 := 1 + sumOfThirdBytes_#t~post4;havoc sumOfThirdBytes_#t~post4;call sumOfThirdBytes_#t~mem5 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_#t~post6 := sumOfThirdBytes_#t~mem5;call write~int(sumOfThirdBytes_#t~post6 - 1, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);havoc sumOfThirdBytes_#t~mem5;havoc sumOfThirdBytes_#t~post6; 252#L520-3 [2020-11-28 03:09:54,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:54,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2020-11-28 03:09:54,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:54,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613914253] [2020-11-28 03:09:54,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:54,178 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:54,199 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:54,208 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:09:54,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:54,208 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 1 times [2020-11-28 03:09:54,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:54,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880105414] [2020-11-28 03:09:54,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:54,215 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:54,225 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:54,228 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:09:54,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:54,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1235383701, now seen corresponding path program 1 times [2020-11-28 03:09:54,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:54,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714654771] [2020-11-28 03:09:54,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:54,251 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:54,270 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:54,274 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:09:54,549 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2020-11-28 03:09:54,654 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:09:54,654 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:09:54,654 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:09:54,654 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:09:54,654 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:09:54,655 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:54,655 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:09:54,655 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:09:54,655 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-1.i_Iteration4_Lasso [2020-11-28 03:09:54,655 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:09:54,655 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:09:54,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:54,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:54,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:54,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:54,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:54,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:54,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:54,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:54,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:54,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:54,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:54,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:54,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:54,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:54,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:54,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:54,893 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2020-11-28 03:09:54,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:54,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:54,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:55,156 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-11-28 03:09:55,387 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:09:55,387 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:55,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:55,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:55,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:55,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:55,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:55,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:55,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:55,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:09:55,397 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:55,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:55,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:55,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:55,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:55,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:55,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:55,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:09:55,433 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/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 [2020-11-28 03:09:55,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:55,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:55,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:55,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:55,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:55,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:55,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:55,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:09:55,470 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:55,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:55,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:55,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:55,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:55,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:55,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:55,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:55,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:09:55,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:55,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:55,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:55,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:55,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:55,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:55,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:55,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:55,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:09:55,531 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:55,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:55,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:55,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:55,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:55,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:55,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:55,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:55,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:09:55,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:55,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:55,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:55,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:55,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:55,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:55,592 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:55,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:09:55,600 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:09:55,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:55,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:55,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:55,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:55,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:55,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:55,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:55,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:55,653 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:09:55,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:55,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:55,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:55,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:55,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:55,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:55,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:55,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:55,694 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/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 [2020-11-28 03:09:55,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:55,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:55,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:55,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:55,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:55,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:55,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:09:55,730 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:55,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:55,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:55,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:55,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:55,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:55,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:55,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:55,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:09:55,755 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:55,778 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 [2020-11-28 03:09:55,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:55,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:55,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:55,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:55,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:55,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:09:55,804 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:09:55,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:55,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:55,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:55,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:55,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:55,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:55,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:55,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/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) [2020-11-28 03:09:55,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:55,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:55,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:55,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:55,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:55,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:55,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:55,897 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/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) [2020-11-28 03:09:55,927 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:55,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:55,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:55,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:55,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:55,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:55,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:55,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:09:55,930 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:55,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:55,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:55,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:55,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:55,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:55,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:55,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:09:55,968 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:09:56,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:56,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:56,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:56,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:56,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:56,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:56,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:56,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:56,018 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:09:56,025 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:09:56,025 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:09:56,028 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:09:56,028 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:09:56,028 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:09:56,028 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0.base) ULTIMATE.start_sumOfThirdBytes_~p~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0.base) ULTIMATE.start_sumOfThirdBytes_~p~0.offset)_2 Supporting invariants [] Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:56,087 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2020-11-28 03:09:56,089 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:09:56,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:56,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:09:56,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:56,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:09:56,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:56,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:56,134 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 [2020-11-28 03:09:56,134 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-11-28 03:09:56,174 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 26 states and 34 transitions. Complement of second has 7 states. [2020-11-28 03:09:56,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:09:56,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:09:56,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2020-11-28 03:09:56,176 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2020-11-28 03:09:56,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:56,177 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2020-11-28 03:09:56,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:56,177 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2020-11-28 03:09:56,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:56,177 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2020-11-28 03:09:56,178 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:09:56,179 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 20 states and 26 transitions. [2020-11-28 03:09:56,179 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-11-28 03:09:56,179 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-11-28 03:09:56,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2020-11-28 03:09:56,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:09:56,180 INFO L691 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2020-11-28 03:09:56,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2020-11-28 03:09:56,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2020-11-28 03:09:56,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-11-28 03:09:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2020-11-28 03:09:56,182 INFO L714 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2020-11-28 03:09:56,182 INFO L594 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2020-11-28 03:09:56,182 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-28 03:09:56,182 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2020-11-28 03:09:56,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:09:56,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:09:56,183 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:09:56,183 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:56,183 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:09:56,184 INFO L794 eck$LassoCheckResult]: Stem: 369#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 363#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~1, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 364#L529 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 378#L529-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~1 := 0; 370#L534-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet10; 365#L534-2 main_#t~post9 := main_~i~1;main_~i~1 := 1 + main_#t~post9;havoc main_#t~post9; 366#L534-3 assume !(main_~i~1 < main_~array_size~0); 371#L534-4 sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~post4, sumOfThirdBytes_#t~mem5, sumOfThirdBytes_#t~post6, sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 372#L517-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset; 373#L520-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 377#L520-1 assume !(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3; 367#L517-2 sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 368#L517-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset; 375#L520-3 [2020-11-28 03:09:56,186 INFO L796 eck$LassoCheckResult]: Loop: 375#L520-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 376#L520-1 assume !!(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3;sumOfThirdBytes_#t~post4 := sumOfThirdBytes_~sum~0;sumOfThirdBytes_~sum~0 := 1 + sumOfThirdBytes_#t~post4;havoc sumOfThirdBytes_#t~post4;call sumOfThirdBytes_#t~mem5 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_#t~post6 := sumOfThirdBytes_#t~mem5;call write~int(sumOfThirdBytes_#t~post6 - 1, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);havoc sumOfThirdBytes_#t~mem5;havoc sumOfThirdBytes_#t~post6; 375#L520-3 [2020-11-28 03:09:56,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:56,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1792762469, now seen corresponding path program 2 times [2020-11-28 03:09:56,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:56,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257932998] [2020-11-28 03:09:56,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:56,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257932998] [2020-11-28 03:09:56,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327093977] [2020-11-28 03:09:56,274 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:09:56,319 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-28 03:09:56,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-28 03:09:56,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:09:56,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:56,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:56,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:09:56,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2020-11-28 03:09:56,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302862706] [2020-11-28 03:09:56,385 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:09:56,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:56,385 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 2 times [2020-11-28 03:09:56,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:56,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250163271] [2020-11-28 03:09:56,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:56,389 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:56,391 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:56,397 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:09:56,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:56,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-28 03:09:56,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:09:56,426 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 9 Second operand 10 states. [2020-11-28 03:09:56,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:56,536 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2020-11-28 03:09:56,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-28 03:09:56,537 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 40 transitions. [2020-11-28 03:09:56,538 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:09:56,539 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 21 states and 25 transitions. [2020-11-28 03:09:56,539 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-11-28 03:09:56,539 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-11-28 03:09:56,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2020-11-28 03:09:56,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:09:56,539 INFO L691 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-11-28 03:09:56,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2020-11-28 03:09:56,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2020-11-28 03:09:56,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-28 03:09:56,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2020-11-28 03:09:56,541 INFO L714 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2020-11-28 03:09:56,541 INFO L594 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2020-11-28 03:09:56,541 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-28 03:09:56,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 24 transitions. [2020-11-28 03:09:56,542 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:09:56,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:09:56,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:09:56,543 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:56,543 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:09:56,543 INFO L794 eck$LassoCheckResult]: Stem: 479#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 475#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~1, main_#t~ret11, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 476#L529 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 489#L529-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~1 := 0; 477#L534-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet10; 473#L534-2 main_#t~post9 := main_~i~1;main_~i~1 := 1 + main_#t~post9;havoc main_#t~post9; 474#L534-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet10, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet10; 478#L534-2 main_#t~post9 := main_~i~1;main_~i~1 := 1 + main_#t~post9;havoc main_#t~post9; 491#L534-3 assume !(main_~i~1 < main_~array_size~0); 482#L534-4 sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~post4, sumOfThirdBytes_#t~mem5, sumOfThirdBytes_#t~post6, sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 483#L517-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset; 484#L520-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 492#L520-1 assume !(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3; 480#L517-2 sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 481#L517-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset; 486#L520-3 [2020-11-28 03:09:56,543 INFO L796 eck$LassoCheckResult]: Loop: 486#L520-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 487#L520-1 assume !!(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3;sumOfThirdBytes_#t~post4 := sumOfThirdBytes_~sum~0;sumOfThirdBytes_~sum~0 := 1 + sumOfThirdBytes_#t~post4;havoc sumOfThirdBytes_#t~post4;call sumOfThirdBytes_#t~mem5 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_#t~post6 := sumOfThirdBytes_#t~mem5;call write~int(sumOfThirdBytes_#t~post6 - 1, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);havoc sumOfThirdBytes_#t~mem5;havoc sumOfThirdBytes_#t~post6; 486#L520-3 [2020-11-28 03:09:56,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:56,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1166615491, now seen corresponding path program 3 times [2020-11-28 03:09:56,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:56,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528232362] [2020-11-28 03:09:56,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:56,555 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:56,566 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:56,570 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:09:56,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:56,571 INFO L82 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 3 times [2020-11-28 03:09:56,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:56,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125780123] [2020-11-28 03:09:56,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:56,575 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:56,578 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:56,579 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:09:56,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:56,580 INFO L82 PathProgramCache]: Analyzing trace with hash 131023752, now seen corresponding path program 1 times [2020-11-28 03:09:56,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:56,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422095500] [2020-11-28 03:09:56,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:56,593 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:56,606 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:56,610 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:09:57,087 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 106 [2020-11-28 03:09:57,211 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-11-28 03:09:57,213 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:09:57,214 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:09:57,214 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:09:57,214 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:09:57,214 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:09:57,214 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:57,214 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:09:57,214 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:09:57,214 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-1.i_Iteration6_Lasso [2020-11-28 03:09:57,214 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:09:57,214 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:09:57,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:57,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:57,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:57,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:57,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:57,414 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2020-11-28 03:09:57,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:57,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:57,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:57,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:57,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:57,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:57,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:57,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:57,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:57,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:57,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:57,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:57,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:57,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:57,846 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:09:57,847 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:57,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:57,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:57,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:57,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:57,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:57,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:57,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:57,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:09:57,864 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:57,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:57,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:57,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:57,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:57,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:57,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:57,889 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:09:57,894 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:57,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:57,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:57,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:57,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:57,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:57,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:57,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:09:57,926 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:57,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:57,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:57,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:57,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:57,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:57,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:57,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:57,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:09:57,950 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:57,973 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 [2020-11-28 03:09:57,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:57,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:57,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:57,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:57,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:09:57,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:09:57,997 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:58,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:09:58,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:58,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:58,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:58,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:58,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:58,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:58,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:09:58,027 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:09:58,029 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-11-28 03:09:58,029 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00865a2d-d0b4-4d9b-9d4e-f34a8203ed2b/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:58,031 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:09:58,032 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:09:58,032 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:09:58,032 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0.base) ULTIMATE.start_sumOfThirdBytes_~p~0.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0.base) ULTIMATE.start_sumOfThirdBytes_~p~0.offset)_3 Supporting invariants [] [2020-11-28 03:09:58,069 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2020-11-28 03:09:58,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:09:58,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:58,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:09:58,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:58,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:09:58,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:58,114 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 [2020-11-28 03:09:58,114 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-11-28 03:09:58,137 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 26 states and 31 transitions. Complement of second has 7 states. [2020-11-28 03:09:58,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:09:58,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:09:58,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2020-11-28 03:09:58,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 15 letters. Loop has 2 letters. [2020-11-28 03:09:58,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:58,139 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:09:58,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:58,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:09:58,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:58,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:09:58,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:58,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:58,199 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-28 03:09:58,199 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-11-28 03:09:58,211 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 26 states and 31 transitions. Complement of second has 7 states. [2020-11-28 03:09:58,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:09:58,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:09:58,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2020-11-28 03:09:58,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 15 letters. Loop has 2 letters. [2020-11-28 03:09:58,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:58,212 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:09:58,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:58,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:09:58,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:58,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:09:58,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:58,263 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-28 03:09:58,263 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-11-28 03:09:58,278 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 27 states and 33 transitions. Complement of second has 6 states. [2020-11-28 03:09:58,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:09:58,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:09:58,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2020-11-28 03:09:58,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 2 letters. [2020-11-28 03:09:58,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:58,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 17 letters. Loop has 2 letters. [2020-11-28 03:09:58,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:58,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 4 letters. [2020-11-28 03:09:58,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:58,280 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 33 transitions. [2020-11-28 03:09:58,281 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:09:58,281 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2020-11-28 03:09:58,281 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:09:58,281 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:09:58,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:09:58,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:09:58,282 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:09:58,282 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:09:58,282 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:09:58,282 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-11-28 03:09:58,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:09:58,282 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:09:58,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:09:58,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:09:58 BoogieIcfgContainer [2020-11-28 03:09:58,288 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:09:58,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:09:58,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:09:58,289 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:09:58,289 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:50" (3/4) ... [2020-11-28 03:09:58,292 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:09:58,292 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:09:58,294 INFO L168 Benchmark]: Toolchain (without parser) took 9303.07 ms. Allocated memory was 111.1 MB in the beginning and 167.8 MB in the end (delta: 56.6 MB). Free memory was 81.5 MB in the beginning and 90.4 MB in the end (delta: -8.8 MB). Peak memory consumption was 47.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:58,294 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 79.7 MB. Free memory was 39.9 MB in the beginning and 39.8 MB in the end (delta: 37.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:09:58,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 543.30 ms. Allocated memory is still 111.1 MB. Free memory was 81.5 MB in the beginning and 79.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:58,295 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.99 ms. Allocated memory is still 111.1 MB. Free memory was 79.0 MB in the beginning and 77.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:58,296 INFO L168 Benchmark]: Boogie Preprocessor took 30.48 ms. Allocated memory is still 111.1 MB. Free memory was 77.5 MB in the beginning and 76.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:09:58,296 INFO L168 Benchmark]: RCFGBuilder took 425.19 ms. Allocated memory is still 111.1 MB. Free memory was 76.2 MB in the beginning and 61.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:58,297 INFO L168 Benchmark]: BuchiAutomizer took 8241.63 ms. Allocated memory was 111.1 MB in the beginning and 167.8 MB in the end (delta: 56.6 MB). Free memory was 61.6 MB in the beginning and 90.4 MB in the end (delta: -28.8 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:58,297 INFO L168 Benchmark]: Witness Printer took 4.01 ms. Allocated memory is still 167.8 MB. Free memory is still 90.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:09:58,300 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 79.7 MB. Free memory was 39.9 MB in the beginning and 39.8 MB in the end (delta: 37.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 543.30 ms. Allocated memory is still 111.1 MB. Free memory was 81.5 MB in the beginning and 79.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.99 ms. Allocated memory is still 111.1 MB. Free memory was 79.0 MB in the beginning and 77.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.48 ms. Allocated memory is still 111.1 MB. Free memory was 77.5 MB in the beginning and 76.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 425.19 ms. Allocated memory is still 111.1 MB. Free memory was 76.2 MB in the beginning and 61.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8241.63 ms. Allocated memory was 111.1 MB in the beginning and 167.8 MB in the end (delta: 56.6 MB). Free memory was 61.6 MB in the beginning and 90.4 MB in the end (delta: -28.8 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.01 ms. Allocated memory is still 167.8 MB. Free memory is still 90.4 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 - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (2 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -4 * i + unknown-#length-unknown[numbers] and consists of 5 locations. One deterministic module has affine ranking function array_size + -1 * i and consists of 3 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[p][p] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[p][p] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.1s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 7.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 5. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 90 SDtfs, 103 SDslu, 77 SDs, 0 SdLazy, 114 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital144 mio100 ax113 hnf98 lsp80 ukn81 mio100 lsp60 div100 bol100 ite100 ukn100 eq179 hnf90 smp95 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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...