./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.10-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.10-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fbe99a2ebd720adb01c27af71df604a9114f73ca ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 08:04:16,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:04:16,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:04:16,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:04:16,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:04:16,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:04:16,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:04:16,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:04:16,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:04:16,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:04:16,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:04:16,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:04:16,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:04:16,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:04:16,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:04:16,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:04:16,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:04:16,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:04:16,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:04:16,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:04:16,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:04:16,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:04:16,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:04:16,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:04:16,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:04:16,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:04:16,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:04:16,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:04:16,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:04:16,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:04:16,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:04:16,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:04:16,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:04:16,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:04:16,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:04:16,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:04:16,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:04:16,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:04:16,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:04:16,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:04:16,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:04:16,993 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 08:04:17,018 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:04:17,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:04:17,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:04:17,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:04:17,030 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 08:04:17,030 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 08:04:17,030 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 08:04:17,031 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 08:04:17,031 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 08:04:17,031 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 08:04:17,031 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 08:04:17,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:04:17,032 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 08:04:17,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:04:17,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:04:17,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 08:04:17,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 08:04:17,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 08:04:17,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:04:17,034 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 08:04:17,034 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:04:17,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 08:04:17,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:04:17,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 08:04:17,035 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 08:04:17,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:04:17,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 08:04:17,036 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 08:04:17,037 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 08:04:17,037 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbe99a2ebd720adb01c27af71df604a9114f73ca [2019-11-20 08:04:17,218 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:04:17,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:04:17,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:04:17,240 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:04:17,241 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:04:17,242 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.10-alloca.i [2019-11-20 08:04:17,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer/data/1c2ce2929/2abb4ebb1cfe49779aab65e815eefb5f/FLAG8fc10189e [2019-11-20 08:04:17,723 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:04:17,724 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/sv-benchmarks/c/termination-memory-alloca/b.10-alloca.i [2019-11-20 08:04:17,737 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer/data/1c2ce2929/2abb4ebb1cfe49779aab65e815eefb5f/FLAG8fc10189e [2019-11-20 08:04:18,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer/data/1c2ce2929/2abb4ebb1cfe49779aab65e815eefb5f [2019-11-20 08:04:18,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:04:18,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:04:18,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:04:18,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:04:18,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:04:18,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:04:18" (1/1) ... [2019-11-20 08:04:18,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27436bbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:18, skipping insertion in model container [2019-11-20 08:04:18,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:04:18" (1/1) ... [2019-11-20 08:04:18,100 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:04:18,148 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:04:18,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:04:18,640 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:04:18,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:04:18,724 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:04:18,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:18 WrapperNode [2019-11-20 08:04:18,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:04:18,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:04:18,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:04:18,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:04:18,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:18" (1/1) ... [2019-11-20 08:04:18,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:18" (1/1) ... [2019-11-20 08:04:18,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:04:18,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:04:18,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:04:18,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:04:18,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:18" (1/1) ... [2019-11-20 08:04:18,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:18" (1/1) ... [2019-11-20 08:04:18,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:18" (1/1) ... [2019-11-20 08:04:18,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:18" (1/1) ... [2019-11-20 08:04:18,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:18" (1/1) ... [2019-11-20 08:04:18,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:18" (1/1) ... [2019-11-20 08:04:18,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:18" (1/1) ... [2019-11-20 08:04:18,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:04:18,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:04:18,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:04:18,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:04:18,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/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 [2019-11-20 08:04:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 08:04:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 08:04:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 08:04:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 08:04:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:04:18,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:04:19,178 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:04:19,178 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 08:04:19,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:04:19 BoogieIcfgContainer [2019-11-20 08:04:19,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:04:19,180 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 08:04:19,180 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 08:04:19,184 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 08:04:19,185 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 08:04:19,185 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 08:04:18" (1/3) ... [2019-11-20 08:04:19,186 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fd71b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 08:04:19, skipping insertion in model container [2019-11-20 08:04:19,186 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 08:04:19,186 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:04:18" (2/3) ... [2019-11-20 08:04:19,187 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fd71b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 08:04:19, skipping insertion in model container [2019-11-20 08:04:19,187 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 08:04:19,187 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:04:19" (3/3) ... [2019-11-20 08:04:19,188 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.10-alloca.i [2019-11-20 08:04:19,233 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 08:04:19,233 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 08:04:19,233 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 08:04:19,233 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 08:04:19,233 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 08:04:19,234 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 08:04:19,234 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 08:04:19,234 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 08:04:19,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 08:04:19,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2019-11-20 08:04:19,267 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:04:19,268 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:04:19,274 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 08:04:19,274 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:04:19,274 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 08:04:19,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 08:04:19,276 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2019-11-20 08:04:19,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:04:19,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:04:19,276 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 08:04:19,276 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:04:19,282 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24;test_fun_#in~x, test_fun_#in~y := main_#t~nondet22, main_#t~nondet23;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem21, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 5#L559-2true [2019-11-20 08:04:19,283 INFO L796 eck$LassoCheckResult]: Loop: 5#L559-2true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 10#L555-1true assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 2147483647 - test_fun_#t~mem6; 14#L555-3true test_fun_#t~short13 := test_fun_#t~short8; 16#L555-4true assume test_fun_#t~short13; 6#L555-9true test_fun_#t~short16 := test_fun_#t~short13; 8#L555-10true assume !test_fun_#t~short16; 11#L555-12true assume !!test_fun_#t~short16;havoc test_fun_#t~short16;havoc test_fun_#t~mem7;havoc test_fun_#t~mem15;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~mem11;havoc test_fun_#t~short8;havoc test_fun_#t~mem10;havoc test_fun_#t~short12;havoc test_fun_#t~short13;havoc test_fun_#t~mem14;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 7#L556true assume test_fun_#t~mem17 > 0;havoc test_fun_#t~mem17;call test_fun_#t~mem18 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem18 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem18; 5#L559-2true [2019-11-20 08:04:19,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:04:19,287 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-20 08:04:19,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:04:19,296 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173971285] [2019-11-20 08:04:19,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:04:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:04:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:04:19,456 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:04:19,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:04:19,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1790206705, now seen corresponding path program 1 times [2019-11-20 08:04:19,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:04:19,458 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322544649] [2019-11-20 08:04:19,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:04:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:04:19,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:04:19,535 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322544649] [2019-11-20 08:04:19,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:04:19,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 08:04:19,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794583878] [2019-11-20 08:04:19,542 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 08:04:19,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:04:19,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 08:04:19,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 08:04:19,559 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 4 states. [2019-11-20 08:04:19,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:04:19,630 INFO L93 Difference]: Finished difference Result 21 states and 28 transitions. [2019-11-20 08:04:19,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 08:04:19,633 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2019-11-20 08:04:19,635 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2019-11-20 08:04:19,639 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 22 transitions. [2019-11-20 08:04:19,640 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-20 08:04:19,641 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-20 08:04:19,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2019-11-20 08:04:19,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 08:04:19,642 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2019-11-20 08:04:19,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2019-11-20 08:04:19,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2019-11-20 08:04:19,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-20 08:04:19,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2019-11-20 08:04:19,672 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-11-20 08:04:19,672 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-11-20 08:04:19,673 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 08:04:19,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2019-11-20 08:04:19,674 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2019-11-20 08:04:19,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:04:19,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:04:19,675 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 08:04:19,675 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:04:19,675 INFO L794 eck$LassoCheckResult]: Stem: 62#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 61#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24;test_fun_#in~x, test_fun_#in~y := main_#t~nondet22, main_#t~nondet23;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem21, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 53#L559-2 [2019-11-20 08:04:19,675 INFO L796 eck$LassoCheckResult]: Loop: 53#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 54#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 2147483647 - test_fun_#t~mem6; 60#L555-3 test_fun_#t~short13 := test_fun_#t~short8; 63#L555-4 assume test_fun_#t~short13; 64#L555-9 test_fun_#t~short16 := test_fun_#t~short13; 58#L555-10 assume test_fun_#t~short16;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short16 := test_fun_#t~mem14 + test_fun_#t~mem15 > 0; 59#L555-12 assume !!test_fun_#t~short16;havoc test_fun_#t~short16;havoc test_fun_#t~mem7;havoc test_fun_#t~mem15;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~mem11;havoc test_fun_#t~short8;havoc test_fun_#t~mem10;havoc test_fun_#t~short12;havoc test_fun_#t~short13;havoc test_fun_#t~mem14;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 56#L556 assume test_fun_#t~mem17 > 0;havoc test_fun_#t~mem17;call test_fun_#t~mem18 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem18 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem18; 53#L559-2 [2019-11-20 08:04:19,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:04:19,676 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2019-11-20 08:04:19,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:04:19,676 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650549699] [2019-11-20 08:04:19,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:04:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:04:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:04:19,736 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:04:19,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:04:19,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1790208627, now seen corresponding path program 1 times [2019-11-20 08:04:19,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:04:19,737 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605065518] [2019-11-20 08:04:19,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:04:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:04:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:04:19,787 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:04:19,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:04:19,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1099647153, now seen corresponding path program 1 times [2019-11-20 08:04:19,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:04:19,789 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266876408] [2019-11-20 08:04:19,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:04:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:04:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:04:19,907 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:04:20,165 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 56 [2019-11-20 08:04:20,619 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2019-11-20 08:04:20,806 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-11-20 08:04:20,820 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 08:04:20,820 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 08:04:20,820 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 08:04:20,821 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 08:04:20,821 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 08:04:20,821 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:04:20,821 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 08:04:20,821 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 08:04:20,822 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.10-alloca.i_Iteration2_Lasso [2019-11-20 08:04:20,822 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 08:04:20,822 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 08:04:20,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:20,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:20,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:20,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:20,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:20,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:20,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:20,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:20,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:20,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:20,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:21,303 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-11-20 08:04:21,443 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-11-20 08:04:21,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:21,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:21,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:21,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:21,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:21,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:21,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:21,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:21,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:21,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:21,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:21,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:21,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:21,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:21,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:21,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:22,206 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 08:04:22,211 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/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) [2019-11-20 08:04:22,228 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 [2019-11-20 08:04:22,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:04:22,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:04:22,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:04:22,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:04:22,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:04:22,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:04:22,236 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 [2019-11-20 08:04:22,238 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/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 [2019-11-20 08:04:22,250 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 [2019-11-20 08:04:22,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:04:22,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:04:22,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:04:22,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:04:22,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:04:22,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:04:22,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:04:22,255 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/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 [2019-11-20 08:04:22,261 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 [2019-11-20 08:04:22,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:04:22,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:04:22,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:04:22,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:04:22,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:04:22,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:04:22,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:04:22,266 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:04:22,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:04:22,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:04:22,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:04:22,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:04:22,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:04:22,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:04:22,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:04:22,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:04:22,276 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:04:22,290 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 [2019-11-20 08:04:22,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:04:22,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:04:22,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:04:22,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:04:22,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:04:22,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:04:22,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:04:22,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/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) [2019-11-20 08:04:22,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:04:22,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:04:22,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:04:22,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:04:22,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:04:22,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:04:22,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:04:22,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:04:22,321 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:04:22,327 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 [2019-11-20 08:04:22,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:04:22,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:04:22,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:04:22,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:04:22,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:04:22,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:04:22,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:04:22,338 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/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 [2019-11-20 08:04:22,347 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 [2019-11-20 08:04:22,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:04:22,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:04:22,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:04:22,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:04:22,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:04:22,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:04:22,367 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/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) [2019-11-20 08:04:22,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:04:22,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:04:22,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:04:22,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:04:22,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:04:22,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:04:22,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:04:22,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:04:22,390 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/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 [2019-11-20 08:04:22,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:04:22,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:04:22,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:04:22,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:04:22,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:04:22,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:04:22,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:04:22,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:04:22,411 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:04:22,420 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 [2019-11-20 08:04:22,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:04:22,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:04:22,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:04:22,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:04:22,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:04:22,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:04:22,430 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:04:22,437 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 [2019-11-20 08:04:22,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:04:22,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:04:22,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:04:22,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:04:22,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:04:22,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:04:22,472 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 08:04:22,536 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-20 08:04:22,537 INFO L444 ModelExtractionUtils]: 10 out of 28 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/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) [2019-11-20 08:04:22,555 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:04:22,558 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 08:04:22,559 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 08:04:22,559 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2019-11-20 08:04:22,675 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2019-11-20 08:04:22,680 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 08:04:22,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:04:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:04:22,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 08:04:22,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:04:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:04:22,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 08:04:22,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:04:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:04:22,756 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 [2019-11-20 08:04:22,757 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 7 Second operand 4 states. [2019-11-20 08:04:22,803 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 7. Second operand 4 states. Result 31 states and 45 transitions. Complement of second has 6 states. [2019-11-20 08:04:22,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 08:04:22,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 08:04:22,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2019-11-20 08:04:22,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 2 letters. Loop has 8 letters. [2019-11-20 08:04:22,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:04:22,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 10 letters. Loop has 8 letters. [2019-11-20 08:04:22,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:04:22,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 2 letters. Loop has 16 letters. [2019-11-20 08:04:22,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:04:22,808 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 45 transitions. [2019-11-20 08:04:22,810 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2019-11-20 08:04:22,811 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 45 transitions. [2019-11-20 08:04:22,811 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-20 08:04:22,812 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-11-20 08:04:22,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 45 transitions. [2019-11-20 08:04:22,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 08:04:22,812 INFO L688 BuchiCegarLoop]: Abstraction has 31 states and 45 transitions. [2019-11-20 08:04:22,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 45 transitions. [2019-11-20 08:04:22,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2019-11-20 08:04:22,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-20 08:04:22,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 43 transitions. [2019-11-20 08:04:22,815 INFO L711 BuchiCegarLoop]: Abstraction has 30 states and 43 transitions. [2019-11-20 08:04:22,815 INFO L591 BuchiCegarLoop]: Abstraction has 30 states and 43 transitions. [2019-11-20 08:04:22,815 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 08:04:22,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 43 transitions. [2019-11-20 08:04:22,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2019-11-20 08:04:22,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:04:22,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:04:22,817 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 08:04:22,817 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:04:22,818 INFO L794 eck$LassoCheckResult]: Stem: 253#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 251#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24;test_fun_#in~x, test_fun_#in~y := main_#t~nondet22, main_#t~nondet23;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem21, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 252#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 235#L555-1 [2019-11-20 08:04:22,818 INFO L796 eck$LassoCheckResult]: Loop: 235#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 2147483647 - test_fun_#t~mem6; 249#L555-3 test_fun_#t~short13 := test_fun_#t~short8; 254#L555-4 assume test_fun_#t~short13; 238#L555-9 test_fun_#t~short16 := test_fun_#t~short13; 239#L555-10 assume test_fun_#t~short16;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short16 := test_fun_#t~mem14 + test_fun_#t~mem15 > 0; 246#L555-12 assume !!test_fun_#t~short16;havoc test_fun_#t~short16;havoc test_fun_#t~mem7;havoc test_fun_#t~mem15;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~mem11;havoc test_fun_#t~short8;havoc test_fun_#t~mem10;havoc test_fun_#t~short12;havoc test_fun_#t~short13;havoc test_fun_#t~mem14;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 241#L556 assume !(test_fun_#t~mem17 > 0);havoc test_fun_#t~mem17;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 242#L559 assume !(test_fun_#t~mem19 > 0);havoc test_fun_#t~mem19; 234#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 235#L555-1 [2019-11-20 08:04:22,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:04:22,818 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-20 08:04:22,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:04:22,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936911717] [2019-11-20 08:04:22,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:04:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:04:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:04:22,869 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:04:22,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:04:22,869 INFO L82 PathProgramCache]: Analyzing trace with hash 572463690, now seen corresponding path program 1 times [2019-11-20 08:04:22,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:04:22,870 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428043300] [2019-11-20 08:04:22,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:04:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:04:22,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:04:22,936 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428043300] [2019-11-20 08:04:22,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:04:22,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 08:04:22,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905905973] [2019-11-20 08:04:22,937 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 08:04:22,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:04:22,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 08:04:22,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 08:04:22,937 INFO L87 Difference]: Start difference. First operand 30 states and 43 transitions. cyclomatic complexity: 15 Second operand 5 states. [2019-11-20 08:04:23,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:04:23,007 INFO L93 Difference]: Finished difference Result 30 states and 41 transitions. [2019-11-20 08:04:23,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 08:04:23,007 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. [2019-11-20 08:04:23,008 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2019-11-20 08:04:23,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 41 transitions. [2019-11-20 08:04:23,009 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-20 08:04:23,009 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-20 08:04:23,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 41 transitions. [2019-11-20 08:04:23,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 08:04:23,010 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2019-11-20 08:04:23,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 41 transitions. [2019-11-20 08:04:23,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-20 08:04:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-20 08:04:23,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions. [2019-11-20 08:04:23,012 INFO L711 BuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2019-11-20 08:04:23,013 INFO L591 BuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2019-11-20 08:04:23,013 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 08:04:23,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 41 transitions. [2019-11-20 08:04:23,014 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2019-11-20 08:04:23,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:04:23,014 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:04:23,014 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 08:04:23,014 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:04:23,015 INFO L794 eck$LassoCheckResult]: Stem: 325#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 323#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24;test_fun_#in~x, test_fun_#in~y := main_#t~nondet22, main_#t~nondet23;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem21, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 324#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 307#L555-1 [2019-11-20 08:04:23,015 INFO L796 eck$LassoCheckResult]: Loop: 307#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 2147483647 - test_fun_#t~mem6; 321#L555-3 test_fun_#t~short13 := test_fun_#t~short8; 326#L555-4 assume test_fun_#t~short13; 310#L555-9 test_fun_#t~short16 := test_fun_#t~short13; 311#L555-10 assume test_fun_#t~short16;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short16 := test_fun_#t~mem14 + test_fun_#t~mem15 > 0; 319#L555-12 assume !!test_fun_#t~short16;havoc test_fun_#t~short16;havoc test_fun_#t~mem7;havoc test_fun_#t~mem15;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~mem11;havoc test_fun_#t~short8;havoc test_fun_#t~mem10;havoc test_fun_#t~short12;havoc test_fun_#t~short13;havoc test_fun_#t~mem14;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 314#L556 assume !(test_fun_#t~mem17 > 0);havoc test_fun_#t~mem17;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 315#L559 assume test_fun_#t~mem19 > 0;havoc test_fun_#t~mem19;call test_fun_#t~mem20 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem20 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem20; 306#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 307#L555-1 [2019-11-20 08:04:23,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:04:23,015 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2019-11-20 08:04:23,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:04:23,015 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808547801] [2019-11-20 08:04:23,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:04:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:04:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:04:23,053 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:04:23,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:04:23,062 INFO L82 PathProgramCache]: Analyzing trace with hash 572463628, now seen corresponding path program 1 times [2019-11-20 08:04:23,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:04:23,062 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515784471] [2019-11-20 08:04:23,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:04:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:04:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:04:23,094 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:04:23,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:04:23,095 INFO L82 PathProgramCache]: Analyzing trace with hash -198955831, now seen corresponding path program 1 times [2019-11-20 08:04:23,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:04:23,095 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194017506] [2019-11-20 08:04:23,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:04:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:04:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:04:23,167 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:04:23,398 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 68 [2019-11-20 08:04:23,694 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-11-20 08:04:24,163 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 91 [2019-11-20 08:04:24,520 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-11-20 08:04:24,524 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 08:04:24,524 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 08:04:24,524 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 08:04:24,524 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 08:04:24,524 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 08:04:24,524 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:04:24,524 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 08:04:24,524 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 08:04:24,524 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.10-alloca.i_Iteration4_Lasso [2019-11-20 08:04:24,524 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 08:04:24,525 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 08:04:24,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:24,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:24,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,271 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-11-20 08:04:25,399 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-11-20 08:04:25,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:04:25,975 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-11-20 08:04:26,193 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 08:04:26,193 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/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 [2019-11-20 08:04:26,206 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 [2019-11-20 08:04:26,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:04:26,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:04:26,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:04:26,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:04:26,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:04:26,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:04:26,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:04:26,209 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:04:26,221 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 [2019-11-20 08:04:26,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:04:26,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:04:26,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:04:26,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:04:26,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:04:26,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:04:26,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:04:26,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:04:26,235 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 [2019-11-20 08:04:26,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:04:26,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:04:26,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:04:26,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:04:26,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:04:26,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:04:26,241 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/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 [2019-11-20 08:04:26,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:04:26,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:04:26,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:04:26,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:04:26,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:04:26,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:04:26,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:04:26,266 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:04:26,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:04:26,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:04:26,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:04:26,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:04:26,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:04:26,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:04:26,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:04:26,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/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 [2019-11-20 08:04:26,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:04:26,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:04:26,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:04:26,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:04:26,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:04:26,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:04:26,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:04:26,315 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/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 [2019-11-20 08:04:26,322 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 [2019-11-20 08:04:26,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:04:26,324 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-20 08:04:26,324 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 08:04:26,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:04:26,353 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-11-20 08:04:26,353 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 08:04:26,412 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 08:04:26,451 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-20 08:04:26,451 INFO L444 ModelExtractionUtils]: 40 out of 56 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1810494c-b9c7-4719-b4b2-8cdfdcd2bb52/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 [2019-11-20 08:04:26,454 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 08:04:26,457 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2019-11-20 08:04:26,458 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 08:04:26,458 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2 Supporting invariants [] [2019-11-20 08:04:26,524 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2019-11-20 08:04:26,525 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 08:04:26,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:04:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:04:26,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 08:04:26,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:04:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:04:26,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 08:04:26,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:04:26,575 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:04:26,710 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 08:04:26,710 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 66 [2019-11-20 08:04:26,711 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 08:04:26,712 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:04:26,714 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 08:04:26,799 INFO L567 ElimStorePlain]: treesize reduction 62, result has 60.0 percent of original size [2019-11-20 08:04:26,799 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:04:26,800 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:04:26,801 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-20 08:04:26,802 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:45, output treesize:93 [2019-11-20 08:04:26,802 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:04:26,802 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 08:04:26,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:04:26,858 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2019-11-20 08:04:26,858 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 41 transitions. cyclomatic complexity: 13 Second operand 7 states. [2019-11-20 08:04:26,967 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 41 transitions. cyclomatic complexity: 13. Second operand 7 states. Result 60 states and 89 transitions. Complement of second has 10 states. [2019-11-20 08:04:26,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-11-20 08:04:26,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-20 08:04:26,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2019-11-20 08:04:26,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 3 letters. Loop has 9 letters. [2019-11-20 08:04:26,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:04:26,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 12 letters. Loop has 9 letters. [2019-11-20 08:04:26,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:04:26,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 3 letters. Loop has 18 letters. [2019-11-20 08:04:26,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:04:26,970 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 89 transitions. [2019-11-20 08:04:26,973 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 08:04:26,973 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 0 states and 0 transitions. [2019-11-20 08:04:26,974 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 08:04:26,974 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 08:04:26,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 08:04:26,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 08:04:26,974 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:04:26,974 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:04:26,974 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:04:26,974 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 08:04:26,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 08:04:26,975 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 08:04:26,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 08:04:26,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 08:04:26 BoogieIcfgContainer [2019-11-20 08:04:26,980 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 08:04:26,981 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 08:04:26,981 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 08:04:26,981 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 08:04:26,981 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:04:19" (3/4) ... [2019-11-20 08:04:26,985 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 08:04:26,985 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 08:04:26,986 INFO L168 Benchmark]: Toolchain (without parser) took 8902.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 939.4 MB in the beginning and 943.2 MB in the end (delta: -3.8 MB). Peak memory consumption was 194.9 MB. Max. memory is 11.5 GB. [2019-11-20 08:04:26,987 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:04:26,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -195.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-20 08:04:26,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 08:04:26,988 INFO L168 Benchmark]: Boogie Preprocessor took 23.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 08:04:26,989 INFO L168 Benchmark]: RCFGBuilder took 388.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 08:04:26,989 INFO L168 Benchmark]: BuchiAutomizer took 7800.12 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.2 MB). Free memory was 1.1 GB in the beginning and 943.2 MB in the end (delta: 162.3 MB). Peak memory consumption was 210.6 MB. Max. memory is 11.5 GB. [2019-11-20 08:04:26,990 INFO L168 Benchmark]: Witness Printer took 4.16 ms. Allocated memory is still 1.2 GB. Free memory is still 943.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:04:26,993 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 640.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -195.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 388.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7800.12 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.2 MB). Free memory was 1.1 GB in the beginning and 943.2 MB in the end (delta: 162.3 MB). Peak memory consumption was 210.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.16 ms. Allocated memory is still 1.2 GB. Free memory is still 943.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 4 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.7s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 6.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 30 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 56 SDtfs, 27 SDslu, 103 SDs, 0 SdLazy, 101 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital423 mio100 ax105 hnf99 lsp72 ukn76 mio100 lsp31 div100 bol106 ite100 ukn100 eq164 hnf89 smp95 dnf221 smp73 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 140ms VariablesStem: 10 VariablesLoop: 7 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...