./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/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 6b4114bc6a0e883536dbadf27d0e1e27273e6b7c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/bin/uautomizer/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No Interpolants --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:29:26,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:29:26,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:29:26,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:29:26,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:29:26,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:29:26,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:29:26,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:29:26,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:29:26,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:29:26,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:29:26,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:29:26,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:29:26,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:29:26,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:29:26,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:29:26,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:29:26,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:29:26,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:29:26,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:29:26,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:29:26,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:29:26,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:29:26,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:29:26,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:29:26,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:29:26,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:29:26,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:29:26,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:29:26,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:29:26,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:29:26,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:29:26,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:29:26,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:29:26,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:29:26,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:29:26,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:29:26,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:29:26,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:29:26,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:29:26,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:29:26,945 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 17:29:26,956 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:29:26,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:29:26,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:29:26,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:29:26,957 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:29:26,957 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:29:26,957 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:29:26,957 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:29:26,957 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:29:26,957 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:29:26,957 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:29:26,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:29:26,958 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:29:26,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:29:26,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:29:26,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:29:26,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:29:26,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:29:26,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:29:26,958 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:29:26,959 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:29:26,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:29:26,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:29:26,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:29:26,959 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:29:26,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:29:26,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:29:26,959 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:29:26,960 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:29:26,960 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:29:26,960 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_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/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 -> 6b4114bc6a0e883536dbadf27d0e1e27273e6b7c [2019-12-07 17:29:27,060 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:29:27,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:29:27,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:29:27,074 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:29:27,075 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:29:27,075 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/bin/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex1.i [2019-12-07 17:29:27,114 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/bin/uautomizer/data/9048b8939/f49ab5dfe07947b782853e0a15607108/FLAGcbbc48ad9 [2019-12-07 17:29:27,543 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:29:27,543 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex1.i [2019-12-07 17:29:27,547 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/bin/uautomizer/data/9048b8939/f49ab5dfe07947b782853e0a15607108/FLAGcbbc48ad9 [2019-12-07 17:29:27,557 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/bin/uautomizer/data/9048b8939/f49ab5dfe07947b782853e0a15607108 [2019-12-07 17:29:27,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:29:27,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:29:27,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:29:27,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:29:27,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:29:27,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:29:27" (1/1) ... [2019-12-07 17:29:27,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d92179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:27, skipping insertion in model container [2019-12-07 17:29:27,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:29:27" (1/1) ... [2019-12-07 17:29:27,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:29:27,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:29:27,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:29:27,725 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:29:27,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:29:27,747 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:29:27,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:27 WrapperNode [2019-12-07 17:29:27,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:29:27,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:29:27,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:29:27,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:29:27,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:27" (1/1) ... [2019-12-07 17:29:27,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:27" (1/1) ... [2019-12-07 17:29:27,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:29:27,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:29:27,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:29:27,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:29:27,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:27" (1/1) ... [2019-12-07 17:29:27,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:27" (1/1) ... [2019-12-07 17:29:27,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:27" (1/1) ... [2019-12-07 17:29:27,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:27" (1/1) ... [2019-12-07 17:29:27,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:27" (1/1) ... [2019-12-07 17:29:27,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:27" (1/1) ... [2019-12-07 17:29:27,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:27" (1/1) ... [2019-12-07 17:29:27,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:29:27,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:29:27,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:29:27,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:29:27,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/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 [2019-12-07 17:29:27,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:29:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2019-12-07 17:29:27,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2019-12-07 17:29:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 17:29:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:29:27,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:29:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:29:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:29:27,957 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:29:27,957 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 17:29:27,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:29:27 BoogieIcfgContainer [2019-12-07 17:29:27,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:29:27,959 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:29:27,959 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:29:27,961 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:29:27,961 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:29:27,962 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:29:27" (1/3) ... [2019-12-07 17:29:27,962 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@315fcd89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:29:27, skipping insertion in model container [2019-12-07 17:29:27,962 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:29:27,962 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:27" (2/3) ... [2019-12-07 17:29:27,963 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@315fcd89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:29:27, skipping insertion in model container [2019-12-07 17:29:27,963 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:29:27,963 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:29:27" (3/3) ... [2019-12-07 17:29:27,964 INFO L371 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex1.i [2019-12-07 17:29:27,992 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:29:27,992 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:29:27,992 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:29:27,992 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:29:27,992 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:29:27,992 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:29:27,992 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:29:27,992 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:29:28,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-12-07 17:29:28,017 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 17:29:28,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:29:28,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:29:28,022 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 17:29:28,022 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:29:28,022 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:29:28,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-12-07 17:29:28,024 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 17:29:28,024 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:29:28,024 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:29:28,024 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 17:29:28,024 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:29:28,029 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~nondet8, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem9, main_~pp~0.base, main_~pp~0.offset, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet7;call write~int(main_#t~nondet8, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet8; 18#L28-3true [2019-12-07 17:29:28,030 INFO L796 eck$LassoCheckResult]: Loop: 18#L28-3true call main_#t~mem9 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 4#L28-1true assume !!(main_#t~mem9 > 1);havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~qq~0.base, main_~qq~0.offset, 4);call write~int(main_#t~mem10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~mem10;call write~int(-1, main_~qq~0.base, main_~qq~0.offset, 4);call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 9#L31true call rec(main_~pp~0.base, main_~pp~0.offset, main_#t~mem11);< 3#recENTRYtrue ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 10#L9true assume ~i < 0;call #t~mem1 := read~int(~op.base, ~op.offset, 4);#t~post2 := #t~mem1;call write~int(#t~post2 - 1, ~op.base, ~op.offset, 4);havoc #t~post2;havoc #t~mem1; 15#recFINALtrue assume true; 13#recEXITtrue >#33#return; 6#L31-1true havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~qq~0.base, main_~qq~0.offset, 4);call main_#t~mem13 := read~int(main_~pp~0.base, main_~pp~0.offset, 4);call write~int(main_#t~mem12 + main_#t~mem13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem12;havoc main_#t~mem13; 18#L28-3true [2019-12-07 17:29:28,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:28,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2019-12-07 17:29:28,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:28,040 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513589345] [2019-12-07 17:29:28,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:28,136 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:29:28,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:28,136 INFO L82 PathProgramCache]: Analyzing trace with hash 51331199, now seen corresponding path program 1 times [2019-12-07 17:29:28,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:28,137 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865615595] [2019-12-07 17:29:28,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:28,178 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:29:28,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:28,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1890018113, now seen corresponding path program 1 times [2019-12-07 17:29:28,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:28,180 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477949251] [2019-12-07 17:29:28,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:28,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:29:28,309 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477949251] [2019-12-07 17:29:28,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:29:28,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 17:29:28,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184538766] [2019-12-07 17:29:28,621 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 74 [2019-12-07 17:29:28,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:29:28,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 17:29:28,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-07 17:29:28,669 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 8 states. [2019-12-07 17:29:28,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:29:28,746 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2019-12-07 17:29:28,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 17:29:28,747 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2019-12-07 17:29:28,749 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 17:29:28,754 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 14 states and 16 transitions. [2019-12-07 17:29:28,755 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2019-12-07 17:29:28,755 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2019-12-07 17:29:28,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2019-12-07 17:29:28,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:29:28,757 INFO L688 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2019-12-07 17:29:28,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2019-12-07 17:29:28,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-12-07 17:29:28,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-12-07 17:29:28,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2019-12-07 17:29:28,778 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2019-12-07 17:29:28,778 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2019-12-07 17:29:28,778 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:29:28,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 16 transitions. [2019-12-07 17:29:28,779 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 17:29:28,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:29:28,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:29:28,780 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 17:29:28,780 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:29:28,780 INFO L794 eck$LassoCheckResult]: Stem: 65#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 58#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~nondet8, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem9, main_~pp~0.base, main_~pp~0.offset, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet7;call write~int(main_#t~nondet8, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet8; 59#L28-3 [2019-12-07 17:29:28,780 INFO L796 eck$LassoCheckResult]: Loop: 59#L28-3 call main_#t~mem9 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 66#L28-1 assume !!(main_#t~mem9 > 1);havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~qq~0.base, main_~qq~0.offset, 4);call write~int(main_#t~mem10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~mem10;call write~int(-1, main_~qq~0.base, main_~qq~0.offset, 4);call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 60#L31 call rec(main_~pp~0.base, main_~pp~0.offset, main_#t~mem11);< 61#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 62#L9 assume !(~i < 0);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call write~int(#t~nondet4, ~ip~0.base, ~ip~0.offset, 4);havoc #t~nondet4; 63#L16 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 61#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 62#L9 assume ~i < 0;call #t~mem1 := read~int(~op.base, ~op.offset, 4);#t~post2 := #t~mem1;call write~int(#t~post2 - 1, ~op.base, ~op.offset, 4);havoc #t~post2;havoc #t~mem1; 64#recFINAL assume true; 67#recEXIT >#31#return; 68#L16-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 70#recFINAL assume true; 71#recEXIT >#33#return; 69#L31-1 havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~qq~0.base, main_~qq~0.offset, 4);call main_#t~mem13 := read~int(main_~pp~0.base, main_~pp~0.offset, 4);call write~int(main_#t~mem12 + main_#t~mem13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem12;havoc main_#t~mem13; 59#L28-3 [2019-12-07 17:29:28,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:28,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 2 times [2019-12-07 17:29:28,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:28,781 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246713321] [2019-12-07 17:29:28,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:28,800 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:29:28,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:28,800 INFO L82 PathProgramCache]: Analyzing trace with hash 198344305, now seen corresponding path program 1 times [2019-12-07 17:29:28,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:28,801 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024539681] [2019-12-07 17:29:28,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:28,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 17:29:28,914 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024539681] [2019-12-07 17:29:28,914 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099736750] [2019-12-07 17:29:28,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:29:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:28,947 INFO L264 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 17:29:28,949 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:29:28,993 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2019-12-07 17:29:28,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:28,995 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-12-07 17:29:29,006 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:29:29,007 INFO L534 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-12-07 17:29:29,007 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:47, output treesize:7 [2019-12-07 17:29:29,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 17:29:29,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:29:29,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 12 [2019-12-07 17:29:29,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908980528] [2019-12-07 17:29:29,036 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 17:29:29,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:29:29,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 17:29:29,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-12-07 17:29:29,037 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. cyclomatic complexity: 4 Second operand 12 states. [2019-12-07 17:29:29,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:29:29,132 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2019-12-07 17:29:29,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 17:29:29,133 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2019-12-07 17:29:29,134 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 17:29:29,135 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 19 transitions. [2019-12-07 17:29:29,135 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-12-07 17:29:29,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-12-07 17:29:29,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2019-12-07 17:29:29,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:29:29,135 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2019-12-07 17:29:29,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2019-12-07 17:29:29,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-12-07 17:29:29,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 17:29:29,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2019-12-07 17:29:29,138 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2019-12-07 17:29:29,138 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2019-12-07 17:29:29,138 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 17:29:29,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2019-12-07 17:29:29,138 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 17:29:29,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:29:29,139 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:29:29,139 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 17:29:29,139 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2019-12-07 17:29:29,139 INFO L794 eck$LassoCheckResult]: Stem: 170#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 163#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~nondet8, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem9, main_~pp~0.base, main_~pp~0.offset, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet7;call write~int(main_#t~nondet8, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet8; 164#L28-3 [2019-12-07 17:29:29,140 INFO L796 eck$LassoCheckResult]: Loop: 164#L28-3 call main_#t~mem9 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 171#L28-1 assume !!(main_#t~mem9 > 1);havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~qq~0.base, main_~qq~0.offset, 4);call write~int(main_#t~mem10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~mem10;call write~int(-1, main_~qq~0.base, main_~qq~0.offset, 4);call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 165#L31 call rec(main_~pp~0.base, main_~pp~0.offset, main_#t~mem11);< 166#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 167#L9 assume !(~i < 0);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call write~int(#t~nondet4, ~ip~0.base, ~ip~0.offset, 4);havoc #t~nondet4; 168#L16 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 166#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 167#L9 assume !(~i < 0);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call write~int(#t~nondet4, ~ip~0.base, ~ip~0.offset, 4);havoc #t~nondet4; 168#L16 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 166#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 167#L9 assume ~i < 0;call #t~mem1 := read~int(~op.base, ~op.offset, 4);#t~post2 := #t~mem1;call write~int(#t~post2 - 1, ~op.base, ~op.offset, 4);havoc #t~post2;havoc #t~mem1; 169#recFINAL assume true; 172#recEXIT >#31#return; 173#L16-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 174#recFINAL assume true; 175#recEXIT >#31#return; 178#L16-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 179#recFINAL assume true; 177#recEXIT >#33#return; 176#L31-1 havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~qq~0.base, main_~qq~0.offset, 4);call main_#t~mem13 := read~int(main_~pp~0.base, main_~pp~0.offset, 4);call write~int(main_#t~mem12 + main_#t~mem13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem12;havoc main_#t~mem13; 164#L28-3 [2019-12-07 17:29:29,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:29,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 3 times [2019-12-07 17:29:29,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:29,140 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102001545] [2019-12-07 17:29:29,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:29,151 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:29:29,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:29,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1148543297, now seen corresponding path program 2 times [2019-12-07 17:29:29,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:29,151 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881417496] [2019-12-07 17:29:29,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:29,292 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 17:29:29,293 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881417496] [2019-12-07 17:29:29,293 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185529751] [2019-12-07 17:29:29,293 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:29:29,336 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 17:29:29,336 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 17:29:29,337 INFO L264 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 17 conjunts are in the unsatisfiable core [2019-12-07 17:29:29,339 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:29:29,354 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2019-12-07 17:29:29,355 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:29,356 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-12-07 17:29:29,367 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:29:29,368 INFO L534 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-12-07 17:29:29,368 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:47, output treesize:7 [2019-12-07 17:29:29,395 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-07 17:29:29,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 17:29:29,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 13 [2019-12-07 17:29:29,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392587813] [2019-12-07 17:29:29,396 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 17:29:29,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:29:29,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 17:29:29,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-12-07 17:29:29,397 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand 13 states. [2019-12-07 17:29:29,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:29:29,512 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2019-12-07 17:29:29,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 17:29:29,512 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2019-12-07 17:29:29,513 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 17:29:29,514 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 22 transitions. [2019-12-07 17:29:29,514 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-12-07 17:29:29,514 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-12-07 17:29:29,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2019-12-07 17:29:29,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:29:29,515 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2019-12-07 17:29:29,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2019-12-07 17:29:29,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-12-07 17:29:29,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-12-07 17:29:29,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2019-12-07 17:29:29,517 INFO L711 BuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2019-12-07 17:29:29,517 INFO L591 BuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2019-12-07 17:29:29,517 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 17:29:29,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 22 transitions. [2019-12-07 17:29:29,518 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 17:29:29,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:29:29,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:29:29,519 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 17:29:29,519 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2019-12-07 17:29:29,519 INFO L794 eck$LassoCheckResult]: Stem: 318#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 315#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~nondet8, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem9, main_~pp~0.base, main_~pp~0.offset, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet7;call write~int(main_#t~nondet8, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet8; 316#L28-3 [2019-12-07 17:29:29,519 INFO L796 eck$LassoCheckResult]: Loop: 316#L28-3 call main_#t~mem9 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 319#L28-1 assume !!(main_#t~mem9 > 1);havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~qq~0.base, main_~qq~0.offset, 4);call write~int(main_#t~mem10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~mem10;call write~int(-1, main_~qq~0.base, main_~qq~0.offset, 4);call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 312#L31 call rec(main_~pp~0.base, main_~pp~0.offset, main_#t~mem11);< 317#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 311#L9 assume !(~i < 0);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call write~int(#t~nondet4, ~ip~0.base, ~ip~0.offset, 4);havoc #t~nondet4; 313#L16 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 317#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 311#L9 assume !(~i < 0);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call write~int(#t~nondet4, ~ip~0.base, ~ip~0.offset, 4);havoc #t~nondet4; 313#L16 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 317#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 311#L9 assume !(~i < 0);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call write~int(#t~nondet4, ~ip~0.base, ~ip~0.offset, 4);havoc #t~nondet4; 313#L16 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 317#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 311#L9 assume ~i < 0;call #t~mem1 := read~int(~op.base, ~op.offset, 4);#t~post2 := #t~mem1;call write~int(#t~post2 - 1, ~op.base, ~op.offset, 4);havoc #t~post2;havoc #t~mem1; 314#recFINAL assume true; 320#recEXIT >#31#return; 321#L16-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 323#recFINAL assume true; 330#recEXIT >#31#return; 329#L16-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 328#recFINAL assume true; 327#recEXIT >#31#return; 325#L16-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 326#recFINAL assume true; 324#recEXIT >#33#return; 322#L31-1 havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~qq~0.base, main_~qq~0.offset, 4);call main_#t~mem13 := read~int(main_~pp~0.base, main_~pp~0.offset, 4);call write~int(main_#t~mem12 + main_#t~mem13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem12;havoc main_#t~mem13; 316#L28-3 [2019-12-07 17:29:29,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:29,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 4 times [2019-12-07 17:29:29,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:29,520 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590649347] [2019-12-07 17:29:29,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:29,528 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:29:29,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:29,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1161179343, now seen corresponding path program 3 times [2019-12-07 17:29:29,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:29,529 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329126087] [2019-12-07 17:29:29,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:29,565 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:29:29,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:29,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1853588851, now seen corresponding path program 1 times [2019-12-07 17:29:29,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:29,566 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416525792] [2019-12-07 17:29:29,566 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:29,607 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:29:29,804 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-12-07 17:29:30,083 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2019-12-07 17:29:30,555 WARN L192 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2019-12-07 17:29:30,753 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-12-07 17:29:30,885 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-12-07 17:29:31,680 WARN L192 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 134 [2019-12-07 17:29:31,931 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-12-07 17:29:32,076 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:29:32,077 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:29:32,077 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:29:32,077 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:29:32,077 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:29:32,077 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:32,077 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:29:32,077 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:29:32,078 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex1.i_Iteration4_Lasso [2019-12-07 17:29:32,078 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:29:32,078 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:29:32,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:32,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:32,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:32,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:32,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:32,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:32,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:32,398 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-12-07 17:29:32,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:32,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:32,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:32,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:32,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:32,849 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-12-07 17:29:32,917 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:29:32,920 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/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 [2019-12-07 17:29:32,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:29:32,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:32,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:29:32,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:32,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:32,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:32,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:29:32,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:29:32,929 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/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 [2019-12-07 17:29:32,934 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 [2019-12-07 17:29:32,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:32,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:29:32,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:32,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:32,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:32,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:29:32,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:29:32,938 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/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 [2019-12-07 17:29:32,942 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 [2019-12-07 17:29:32,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:32,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:29:32,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:32,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:32,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:32,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:29:32,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:29:32,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:32,949 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 [2019-12-07 17:29:32,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:32,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:29:32,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:32,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:32,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:32,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:29:32,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:29:32,952 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/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 [2019-12-07 17:29:32,956 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 [2019-12-07 17:29:32,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:32,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:32,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:32,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:32,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:29:32,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:29:32,963 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/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 [2019-12-07 17:29:32,969 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 [2019-12-07 17:29:32,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:32,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:29:32,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:32,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:32,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:32,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:29:32,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:29:32,973 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:32,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:29:32,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:32,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:32,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:32,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:32,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:29:32,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:29:32,986 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/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 [2019-12-07 17:29:32,991 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 [2019-12-07 17:29:32,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:32,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:32,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:32,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:32,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:29:32,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:29:33,002 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/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 [2019-12-07 17:29:33,006 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 [2019-12-07 17:29:33,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:33,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:29:33,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:33,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:33,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:33,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:29:33,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:29:33,009 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/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 [2019-12-07 17:29:33,014 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 [2019-12-07 17:29:33,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:33,015 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2019-12-07 17:29:33,015 INFO L204 nArgumentSynthesizer]: 8 loop disjuncts [2019-12-07 17:29:33,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:33,127 INFO L401 nArgumentSynthesizer]: We have 208 Motzkin's Theorem applications. [2019-12-07 17:29:33,128 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2019-12-07 17:29:33,410 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:33,418 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 [2019-12-07 17:29:33,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:33,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:33,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:33,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:33,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:29:33,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:29:33,434 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/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 [2019-12-07 17:29:33,438 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 [2019-12-07 17:29:33,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:33,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:33,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:33,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:33,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:29:33,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:29:33,443 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/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 [2019-12-07 17:29:33,447 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 [2019-12-07 17:29:33,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:33,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:29:33,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:33,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:33,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:33,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:29:33,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:29:33,450 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/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 [2019-12-07 17:29:33,454 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 [2019-12-07 17:29:33,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:33,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:33,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:33,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:33,457 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:29:33,457 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:29:33,462 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:29:33,472 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-12-07 17:29:33,473 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afc8225a-d5c9-44e1-a396-3bbf4ad6a246/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 [2019-12-07 17:29:33,477 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:29:33,480 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:29:33,480 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:29:33,480 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1 Supporting invariants [] [2019-12-07 17:29:33,530 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-12-07 17:29:33,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 17:29:33,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:33,555 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:29:33,555 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:29:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:33,592 INFO L264 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 72 conjunts are in the unsatisfiable core [2019-12-07 17:29:33,594 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:29:33,621 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:29:33,621 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2019-12-07 17:29:33,622 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:33,623 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 17:29:33,656 INFO L614 ElimStorePlain]: treesize reduction 16, result has 76.1 percent of original size [2019-12-07 17:29:33,656 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 17:29:33,656 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:51 [2019-12-07 17:29:35,808 WARN L192 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2019-12-07 17:29:37,213 WARN L192 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2019-12-07 17:29:37,960 WARN L192 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-12-07 17:29:50,176 WARN L192 SmtUtils]: Spent 12.16 s on a formula simplification that was a NOOP. DAG size: 21 [2019-12-07 17:29:51,794 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-12-07 17:29:51,794 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 17:29:51,805 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:29:51,806 INFO L534 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2019-12-07 17:29:51,806 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:68, output treesize:67 [2019-12-07 17:29:53,433 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:29:53,433 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2019-12-07 17:29:53,433 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 17:29:53,474 INFO L614 ElimStorePlain]: treesize reduction 14, result has 90.1 percent of original size [2019-12-07 17:29:53,474 INFO L534 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-1 vars, End of recursive call: 10 dim-0 vars, and 1 xjuncts. [2019-12-07 17:29:53,474 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 11 variables, input treesize:129, output treesize:128 [2019-12-07 17:29:56,684 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:56,789 INFO L430 ElimStorePlain]: Different costs {5=[v_prenex_14], 8=[|v_#valid_BEFORE_CALL_6|]} [2019-12-07 17:29:56,828 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:29:56,829 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 42 [2019-12-07 17:29:56,829 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 17:29:56,956 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-12-07 17:29:56,956 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:29:57,029 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:29:57,029 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 69 [2019-12-07 17:29:57,030 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 17:29:57,166 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-12-07 17:29:57,167 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:29:57,169 INFO L430 ElimStorePlain]: Different costs {8=[v_prenex_3], 18=[|v_old(#memory_int)_AFTER_CALL_9|]} [2019-12-07 17:29:57,232 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:29:57,232 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 105 treesize of output 192 [2019-12-07 17:29:57,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,234 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,234 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,234 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,235 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,236 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,236 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,237 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,237 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,238 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,238 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,238 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,239 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,239 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,240 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,241 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,241 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,241 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,242 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,242 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,243 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,243 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,244 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,244 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,245 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,245 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,245 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,246 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,246 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,247 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 17:29:57,255 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 17:29:57,256 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 17:29:57,259 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 17:29:57,280 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 17:29:57,280 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 107 treesize of output 109 [2019-12-07 17:29:57,281 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,281 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,281 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,282 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,282 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,282 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,283 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,283 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,284 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,284 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,285 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,285 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,286 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,286 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,286 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,287 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,287 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,288 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,288 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,289 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,289 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,290 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,290 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,291 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,291 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,291 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,293 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,293 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,295 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,295 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,296 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,296 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,296 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,297 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,297 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,298 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,298 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 17:29:57,299 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:29:57,306 INFO L430 ElimStorePlain]: Different costs {0=[v_arrayElimCell_16, v_arrayElimCell_13, v_arrayElimCell_14], 1=[v_arrayElimCell_15]} [2019-12-07 17:29:57,313 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.RefineBuchi.refineBuchi(RefineBuchi.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:738) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:551) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 17:29:57,315 INFO L168 Benchmark]: Toolchain (without parser) took 29755.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 944.8 MB in the beginning and 1.0 GB in the end (delta: -73.4 MB). Peak memory consumption was 105.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:57,315 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:29:57,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:57,316 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:29:57,316 INFO L168 Benchmark]: Boogie Preprocessor took 17.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:29:57,316 INFO L168 Benchmark]: RCFGBuilder took 168.84 ms. Allocated memory is still 1.1 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. [2019-12-07 17:29:57,317 INFO L168 Benchmark]: BuchiAutomizer took 29355.52 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.1 MB). Peak memory consumption was 133.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:57,318 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 187.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 168.84 ms. Allocated memory is still 1.1 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 29355.52 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.1 MB). Peak memory consumption was 133.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:155) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...