./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/memsafety/test-memleak_nexttime.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/memsafety/test-memleak_nexttime.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 60a24c4f5e174a9ae46b1f077c5e18d0598bd760 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 08:19:12,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 08:19:12,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 08:19:12,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 08:19:12,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 08:19:12,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 08:19:12,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 08:19:12,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 08:19:12,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 08:19:12,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 08:19:12,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 08:19:12,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 08:19:12,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 08:19:12,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 08:19:12,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 08:19:12,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 08:19:12,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 08:19:12,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 08:19:12,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 08:19:12,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 08:19:12,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 08:19:12,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 08:19:12,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 08:19:12,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 08:19:12,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 08:19:12,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 08:19:12,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 08:19:12,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 08:19:12,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 08:19:12,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 08:19:12,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 08:19:12,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 08:19:12,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 08:19:12,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 08:19:12,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 08:19:12,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 08:19:12,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 08:19:12,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 08:19:12,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 08:19:12,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 08:19:12,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 08:19:12,917 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 08:19:12,950 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 08:19:12,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 08:19:12,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 08:19:12,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 08:19:12,952 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 08:19:12,952 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 08:19:12,952 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 08:19:12,952 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 08:19:12,953 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 08:19:12,953 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 08:19:12,953 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 08:19:12,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 08:19:12,953 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 08:19:12,953 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 08:19:12,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 08:19:12,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 08:19:12,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 08:19:12,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 08:19:12,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 08:19:12,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 08:19:12,955 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 08:19:12,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 08:19:12,955 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 08:19:12,955 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 08:19:12,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 08:19:12,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 08:19:12,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 08:19:12,956 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 08:19:12,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 08:19:12,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 08:19:12,957 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 08:19:12,957 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 08:19:12,958 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 08:19:12,958 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60a24c4f5e174a9ae46b1f077c5e18d0598bd760 [2020-10-20 08:19:13,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 08:19:13,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 08:19:13,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 08:19:13,196 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 08:19:13,198 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 08:19:13,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2020-10-20 08:19:13,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4da7f2dcc/2efd5f662f09410ebe929a966bf64f7a/FLAGc097ddac6 [2020-10-20 08:19:13,875 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 08:19:13,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/test-memleak_nexttime.i [2020-10-20 08:19:13,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4da7f2dcc/2efd5f662f09410ebe929a966bf64f7a/FLAGc097ddac6 [2020-10-20 08:19:14,126 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4da7f2dcc/2efd5f662f09410ebe929a966bf64f7a [2020-10-20 08:19:14,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 08:19:14,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 08:19:14,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 08:19:14,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 08:19:14,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 08:19:14,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 08:19:14" (1/1) ... [2020-10-20 08:19:14,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8f867a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:14, skipping insertion in model container [2020-10-20 08:19:14,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 08:19:14" (1/1) ... [2020-10-20 08:19:14,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 08:19:14,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 08:19:14,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 08:19:14,677 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 08:19:14,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 08:19:14,845 INFO L208 MainTranslator]: Completed translation [2020-10-20 08:19:14,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:14 WrapperNode [2020-10-20 08:19:14,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 08:19:14,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 08:19:14,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 08:19:14,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 08:19:14,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:14" (1/1) ... [2020-10-20 08:19:14,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:14" (1/1) ... [2020-10-20 08:19:14,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 08:19:14,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 08:19:14,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 08:19:14,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 08:19:14,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:14" (1/1) ... [2020-10-20 08:19:14,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:14" (1/1) ... [2020-10-20 08:19:14,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:14" (1/1) ... [2020-10-20 08:19:14,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:14" (1/1) ... [2020-10-20 08:19:14,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:14" (1/1) ... [2020-10-20 08:19:14,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:14" (1/1) ... [2020-10-20 08:19:14,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:14" (1/1) ... [2020-10-20 08:19:14,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 08:19:14,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 08:19:14,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 08:19:14,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 08:19:14,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:15,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-20 08:19:15,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-20 08:19:15,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-20 08:19:15,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-20 08:19:15,008 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-20 08:19:15,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 08:19:15,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 08:19:15,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 08:19:15,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 08:19:15,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-20 08:19:15,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 08:19:15,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-20 08:19:15,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 08:19:15,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 08:19:15,274 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 08:19:15,319 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 08:19:15,319 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-20 08:19:15,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:19:15 BoogieIcfgContainer [2020-10-20 08:19:15,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 08:19:15,321 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 08:19:15,321 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 08:19:15,325 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 08:19:15,326 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:19:15,326 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 08:19:14" (1/3) ... [2020-10-20 08:19:15,327 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6764247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 08:19:15, skipping insertion in model container [2020-10-20 08:19:15,328 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:19:15,328 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:19:14" (2/3) ... [2020-10-20 08:19:15,328 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6764247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 08:19:15, skipping insertion in model container [2020-10-20 08:19:15,328 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:19:15,328 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:19:15" (3/3) ... [2020-10-20 08:19:15,330 INFO L373 chiAutomizerObserver]: Analyzing ICFG test-memleak_nexttime.i [2020-10-20 08:19:15,380 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 08:19:15,380 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 08:19:15,380 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 08:19:15,380 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 08:19:15,380 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 08:19:15,381 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 08:19:15,381 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 08:19:15,381 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 08:19:15,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-10-20 08:19:15,416 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-10-20 08:19:15,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:19:15,417 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:19:15,424 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-20 08:19:15,424 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 08:19:15,424 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 08:19:15,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-10-20 08:19:15,426 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-10-20 08:19:15,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:19:15,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:19:15,427 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-20 08:19:15,427 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 08:19:15,434 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(24);call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 10#L-1true havoc main_#res;havoc main_#t~memcpy~res7.base, main_#t~memcpy~res7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc5.base, foo_#t~malloc5.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_~#p~0.base, foo_~#p~0.offset, 4); 3#L644true call foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 14##Ultimate.C_memcpyENTRYtrue assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 5#$Ultimate##0true #t~loopctr10 := 0; 9#L-1-1true [2020-10-20 08:19:15,434 INFO L796 eck$LassoCheckResult]: Loop: 9#L-1-1true assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 9#L-1-1true [2020-10-20 08:19:15,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:15,441 INFO L82 PathProgramCache]: Analyzing trace with hash 28715065, now seen corresponding path program 1 times [2020-10-20 08:19:15,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:15,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513907925] [2020-10-20 08:19:15,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:15,598 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:15,649 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:15,713 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:15,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:15,715 INFO L82 PathProgramCache]: Analyzing trace with hash 48, now seen corresponding path program 1 times [2020-10-20 08:19:15,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:15,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315735696] [2020-10-20 08:19:15,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:15,749 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:15,760 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:15,766 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:15,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:15,769 INFO L82 PathProgramCache]: Analyzing trace with hash 890167032, now seen corresponding path program 1 times [2020-10-20 08:19:15,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:15,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669305652] [2020-10-20 08:19:15,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:15,836 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:15,892 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:15,904 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:16,808 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2020-10-20 08:19:17,069 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-20 08:19:17,757 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 115 [2020-10-20 08:19:18,035 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-20 08:19:18,056 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 08:19:18,057 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 08:19:18,057 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 08:19:18,057 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 08:19:18,058 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 08:19:18,058 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:18,058 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 08:19:18,058 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 08:19:18,058 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-memleak_nexttime.i_Iteration1_Lasso [2020-10-20 08:19:18,059 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 08:19:18,059 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 08:19:18,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,810 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 95 [2020-10-20 08:19:18,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:18,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:19,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:19,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:19,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:19,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:19,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:19,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:19,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:19,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:19,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:19,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:19,633 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2020-10-20 08:19:19,715 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 08:19:19,721 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 08:19:19,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:19,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:19,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:19:19,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:19,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:19,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:19,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:19:19,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:19,747 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:19,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:19,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:19,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:19:19,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:19,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:19,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:19,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:19:19,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:19:19,786 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:19,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:19,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:19,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:19:19,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:19,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:19,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:19,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:19:19,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:19:19,821 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:19,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:19,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:19,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:19:19,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:19,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:19,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:19,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:19:19,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:19:19,853 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 08:19:19,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:19,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:19,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:19,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:19,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:19,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:19,889 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:19,893 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:19,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:19,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:19,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:19,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:19,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:19,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:19,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:19,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:19,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:19,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:19,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:19,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:19,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:19,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:19,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:19,982 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:20,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:20,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:20,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:20,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:20,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:20,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:20,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:20,026 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:20,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:20,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:20,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:20,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:20,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:20,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:20,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:20,057 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:20,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:20,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:20,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:20,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:20,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:20,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:20,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:20,090 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:20,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:20,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:20,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:20,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:20,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:20,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:20,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:20,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:20,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:20,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:20,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:20,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:20,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:20,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:20,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:20,185 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:20,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:20,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:20,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:20,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:20,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:20,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:20,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:20,213 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:20,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:20,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:20,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:20,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:20,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:20,239 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:20,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:20,249 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:20,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:20,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:20,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:20,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:20,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:20,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:20,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:20,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:20,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:20,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:20,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:20,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:20,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:20,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:20,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:20,329 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:20,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:20,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:20,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:20,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:20,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:20,360 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:20,360 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:20,365 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:20,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:20,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:20,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:20,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:20,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:20,394 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:20,394 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:20,403 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:20,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:20,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:20,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:20,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:20,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:20,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:20,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:20,444 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:20,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:20,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:20,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:20,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:20,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:20,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:20,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:20,475 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:20,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:20,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:20,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:20,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:20,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:20,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:20,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:20,509 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:20,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:19:20,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:19:20,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:19:20,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:19:20,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:19:20,541 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:19:20,542 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:19:20,553 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 08:19:20,689 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-20 08:19:20,690 INFO L444 ModelExtractionUtils]: 11 out of 22 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:20,718 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 08:19:20,724 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 08:19:20,724 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 08:19:20,725 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_size, #Ultimate.C_memcpy_#t~loopctr10) = 1*#Ultimate.C_memcpy_size - 1*#Ultimate.C_memcpy_#t~loopctr10 Supporting invariants [] [2020-10-20 08:19:20,876 INFO L297 tatePredicateManager]: 29 out of 29 supporting invariants were superfluous and have been removed [2020-10-20 08:19:20,885 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2020-10-20 08:19:20,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:19:20,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 08:19:20,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:19:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:19:20,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 08:19:20,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:19:20,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:19:20,989 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-10-20 08:19:20,991 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 2 states. [2020-10-20 08:19:21,051 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 2 states. Result 27 states and 34 transitions. Complement of second has 6 states. [2020-10-20 08:19:21,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 08:19:21,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-20 08:19:21,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2020-10-20 08:19:21,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2020-10-20 08:19:21,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:19:21,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2020-10-20 08:19:21,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:19:21,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2020-10-20 08:19:21,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:19:21,059 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2020-10-20 08:19:21,061 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2020-10-20 08:19:21,065 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 18 states and 23 transitions. [2020-10-20 08:19:21,066 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2020-10-20 08:19:21,067 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-10-20 08:19:21,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2020-10-20 08:19:21,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:19:21,068 INFO L691 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2020-10-20 08:19:21,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2020-10-20 08:19:21,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2020-10-20 08:19:21,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-20 08:19:21,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2020-10-20 08:19:21,093 INFO L714 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2020-10-20 08:19:21,093 INFO L594 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2020-10-20 08:19:21,093 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 08:19:21,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2020-10-20 08:19:21,094 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2020-10-20 08:19:21,094 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:19:21,095 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:19:21,095 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-20 08:19:21,095 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 08:19:21,095 INFO L794 eck$LassoCheckResult]: Stem: 206#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(24);call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 201#L-1 havoc main_#res;havoc main_#t~memcpy~res7.base, main_#t~memcpy~res7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc5.base, foo_#t~malloc5.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_~#p~0.base, foo_~#p~0.offset, 4); 202#L644 call foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 203##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 204#$Ultimate##0 #t~loopctr10 := 0; 205#L-1-1 assume !(#t~loopctr10 < size);#t~loopctr12 := 0; 216#L-1-3 [2020-10-20 08:19:21,096 INFO L796 eck$LassoCheckResult]: Loop: 216#L-1-3 assume #t~loopctr12 < size;call #t~mem13.base, #t~mem13.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr12, 4);call write~unchecked~$Pointer$(#t~mem13.base, #t~mem13.offset, dest.base, dest.offset + #t~loopctr12, 4);#t~loopctr12 := 4 + #t~loopctr12; 216#L-1-3 [2020-10-20 08:19:21,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:21,096 INFO L82 PathProgramCache]: Analyzing trace with hash 890167034, now seen corresponding path program 1 times [2020-10-20 08:19:21,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:21,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929821909] [2020-10-20 08:19:21,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:19:21,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:19:21,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929821909] [2020-10-20 08:19:21,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 08:19:21,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 08:19:21,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955082044] [2020-10-20 08:19:21,157 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 08:19:21,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:21,157 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times [2020-10-20 08:19:21,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:21,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741184551] [2020-10-20 08:19:21,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:21,162 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:21,165 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:21,167 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:21,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 08:19:21,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 08:19:21,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 08:19:21,221 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 8 Second operand 4 states. [2020-10-20 08:19:21,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 08:19:21,254 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2020-10-20 08:19:21,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 08:19:21,262 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2020-10-20 08:19:21,263 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2020-10-20 08:19:21,264 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 21 transitions. [2020-10-20 08:19:21,265 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2020-10-20 08:19:21,265 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-10-20 08:19:21,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2020-10-20 08:19:21,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:19:21,265 INFO L691 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-10-20 08:19:21,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2020-10-20 08:19:21,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-10-20 08:19:21,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-20 08:19:21,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2020-10-20 08:19:21,269 INFO L714 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-10-20 08:19:21,269 INFO L594 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-10-20 08:19:21,269 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 08:19:21,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2020-10-20 08:19:21,270 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2020-10-20 08:19:21,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:19:21,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:19:21,271 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 08:19:21,271 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 08:19:21,271 INFO L794 eck$LassoCheckResult]: Stem: 246#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(24);call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 243#L-1 havoc main_#res;havoc main_#t~memcpy~res7.base, main_#t~memcpy~res7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc5.base, foo_#t~malloc5.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_~#p~0.base, foo_~#p~0.offset, 4); 244#L644 call foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 245##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 260#$Ultimate##0 #t~loopctr10 := 0; 259#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 257#L-1-1 assume !(#t~loopctr10 < size);#t~loopctr12 := 0; 258#L-1-3 [2020-10-20 08:19:21,272 INFO L796 eck$LassoCheckResult]: Loop: 258#L-1-3 assume #t~loopctr12 < size;call #t~mem13.base, #t~mem13.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr12, 4);call write~unchecked~$Pointer$(#t~mem13.base, #t~mem13.offset, dest.base, dest.offset + #t~loopctr12, 4);#t~loopctr12 := 4 + #t~loopctr12; 258#L-1-3 [2020-10-20 08:19:21,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:21,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1825374235, now seen corresponding path program 1 times [2020-10-20 08:19:21,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:21,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923412534] [2020-10-20 08:19:21,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:19:21,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:19:21,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923412534] [2020-10-20 08:19:21,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006708343] [2020-10-20 08:19:21,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 08:19:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:19:21,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 08:19:21,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:19:21,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:19:21,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 08:19:21,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2020-10-20 08:19:21,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611542145] [2020-10-20 08:19:21,506 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 08:19:21,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:21,506 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 2 times [2020-10-20 08:19:21,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:21,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728822000] [2020-10-20 08:19:21,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:21,511 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:21,514 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:21,516 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:21,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 08:19:21,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 08:19:21,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-10-20 08:19:21,555 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. cyclomatic complexity: 7 Second operand 8 states. [2020-10-20 08:19:21,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 08:19:21,622 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2020-10-20 08:19:21,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 08:19:21,623 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2020-10-20 08:19:21,624 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2020-10-20 08:19:21,627 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 23 transitions. [2020-10-20 08:19:21,627 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2020-10-20 08:19:21,628 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2020-10-20 08:19:21,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2020-10-20 08:19:21,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:19:21,628 INFO L691 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-10-20 08:19:21,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2020-10-20 08:19:21,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-10-20 08:19:21,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-20 08:19:21,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2020-10-20 08:19:21,631 INFO L714 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-10-20 08:19:21,631 INFO L594 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-10-20 08:19:21,631 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-20 08:19:21,631 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2020-10-20 08:19:21,632 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2020-10-20 08:19:21,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:19:21,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:19:21,633 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-20 08:19:21,633 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 08:19:21,633 INFO L794 eck$LassoCheckResult]: Stem: 313#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(24);call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 310#L-1 havoc main_#res;havoc main_#t~memcpy~res7.base, main_#t~memcpy~res7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc5.base, foo_#t~malloc5.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_~#p~0.base, foo_~#p~0.offset, 4); 311#L644 call foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 312##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 314#$Ultimate##0 #t~loopctr10 := 0; 315#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 322#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 323#L-1-1 assume !(#t~loopctr10 < size);#t~loopctr12 := 0; 325#L-1-3 [2020-10-20 08:19:21,633 INFO L796 eck$LassoCheckResult]: Loop: 325#L-1-3 assume #t~loopctr12 < size;call #t~mem13.base, #t~mem13.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr12, 4);call write~unchecked~$Pointer$(#t~mem13.base, #t~mem13.offset, dest.base, dest.offset + #t~loopctr12, 4);#t~loopctr12 := 4 + #t~loopctr12; 325#L-1-3 [2020-10-20 08:19:21,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:21,633 INFO L82 PathProgramCache]: Analyzing trace with hash 752026394, now seen corresponding path program 2 times [2020-10-20 08:19:21,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:21,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823802544] [2020-10-20 08:19:21,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:19:21,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:19:21,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823802544] [2020-10-20 08:19:21,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024813269] [2020-10-20 08:19:21,681 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 08:19:21,730 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-20 08:19:21,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-20 08:19:21,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 08:19:21,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:19:21,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:19:21,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 08:19:21,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2020-10-20 08:19:21,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922332410] [2020-10-20 08:19:21,785 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 08:19:21,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:21,786 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 3 times [2020-10-20 08:19:21,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:21,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479751775] [2020-10-20 08:19:21,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:21,791 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:21,793 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:21,795 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:21,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 08:19:21,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-20 08:19:21,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2020-10-20 08:19:21,842 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. cyclomatic complexity: 7 Second operand 10 states. [2020-10-20 08:19:21,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 08:19:21,913 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2020-10-20 08:19:21,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 08:19:21,914 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2020-10-20 08:19:21,915 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2020-10-20 08:19:21,916 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 25 transitions. [2020-10-20 08:19:21,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2020-10-20 08:19:21,916 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2020-10-20 08:19:21,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 25 transitions. [2020-10-20 08:19:21,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:19:21,919 INFO L691 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2020-10-20 08:19:21,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 25 transitions. [2020-10-20 08:19:21,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-10-20 08:19:21,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-20 08:19:21,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2020-10-20 08:19:21,925 INFO L714 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2020-10-20 08:19:21,925 INFO L594 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2020-10-20 08:19:21,925 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-20 08:19:21,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2020-10-20 08:19:21,926 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2020-10-20 08:19:21,930 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:19:21,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:19:21,930 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [3, 1, 1, 1, 1, 1, 1] [2020-10-20 08:19:21,931 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 08:19:21,931 INFO L794 eck$LassoCheckResult]: Stem: 389#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(24);call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 386#L-1 havoc main_#res;havoc main_#t~memcpy~res7.base, main_#t~memcpy~res7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc5.base, foo_#t~malloc5.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_~#p~0.base, foo_~#p~0.offset, 4); 387#L644 call foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 388##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 407#$Ultimate##0 #t~loopctr10 := 0; 406#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 400#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 401#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 403#L-1-1 assume !(#t~loopctr10 < size);#t~loopctr12 := 0; 402#L-1-3 [2020-10-20 08:19:21,931 INFO L796 eck$LassoCheckResult]: Loop: 402#L-1-3 assume #t~loopctr12 < size;call #t~mem13.base, #t~mem13.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr12, 4);call write~unchecked~$Pointer$(#t~mem13.base, #t~mem13.offset, dest.base, dest.offset + #t~loopctr12, 4);#t~loopctr12 := 4 + #t~loopctr12; 402#L-1-3 [2020-10-20 08:19:21,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:21,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1837981691, now seen corresponding path program 3 times [2020-10-20 08:19:21,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:21,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720559905] [2020-10-20 08:19:21,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:19:22,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:19:22,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720559905] [2020-10-20 08:19:22,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582502331] [2020-10-20 08:19:22,041 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 08:19:22,111 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-10-20 08:19:22,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-20 08:19:22,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 08:19:22,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:19:22,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:19:22,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 08:19:22,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2020-10-20 08:19:22,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268607262] [2020-10-20 08:19:22,193 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 08:19:22,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:22,193 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 4 times [2020-10-20 08:19:22,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:22,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093114163] [2020-10-20 08:19:22,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:22,199 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:22,202 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:22,206 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:22,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 08:19:22,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-20 08:19:22,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2020-10-20 08:19:22,252 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. cyclomatic complexity: 7 Second operand 12 states. [2020-10-20 08:19:22,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 08:19:22,335 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2020-10-20 08:19:22,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 08:19:22,338 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2020-10-20 08:19:22,339 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2020-10-20 08:19:22,341 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 27 transitions. [2020-10-20 08:19:22,341 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2020-10-20 08:19:22,342 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2020-10-20 08:19:22,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2020-10-20 08:19:22,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:19:22,342 INFO L691 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2020-10-20 08:19:22,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2020-10-20 08:19:22,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-20 08:19:22,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-20 08:19:22,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2020-10-20 08:19:22,347 INFO L714 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2020-10-20 08:19:22,347 INFO L594 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2020-10-20 08:19:22,347 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-10-20 08:19:22,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 27 transitions. [2020-10-20 08:19:22,348 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2020-10-20 08:19:22,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:19:22,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:19:22,349 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [4, 1, 1, 1, 1, 1, 1] [2020-10-20 08:19:22,349 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 08:19:22,349 INFO L794 eck$LassoCheckResult]: Stem: 480#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(24);call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#a~0.base, ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 1 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 2 + ~#a~0.offset, 1);call write~init~int(0, ~#a~0.base, 3 + ~#a~0.offset, 1); 471#L-1 havoc main_#res;havoc main_#t~memcpy~res7.base, main_#t~memcpy~res7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_~#p~1.base, main_~#p~1.offset;havoc foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset, foo_~#p~0.base, foo_~#p~0.offset;call foo_~#p~0.base, foo_~#p~0.offset := #Ultimate.allocOnStack(4);call foo_#t~malloc5.base, foo_#t~malloc5.offset := #Ultimate.allocOnHeap(10);call write~init~$Pointer$(foo_#t~malloc5.base, foo_#t~malloc5.offset, foo_~#p~0.base, foo_~#p~0.offset, 4); 472#L644 call foo_#t~memcpy~res6.base, foo_#t~memcpy~res6.offset := #Ultimate.C_memcpy(~#a~0.base, ~#a~0.offset, foo_~#p~0.base, foo_~#p~0.offset, 4);< 473##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 494#$Ultimate##0 #t~loopctr10 := 0; 493#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 485#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 486#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 489#L-1-1 assume #t~loopctr10 < size;call #t~mem11 := read~unchecked~int(src.base, src.offset + #t~loopctr10, 1);call write~unchecked~int(#t~mem11, dest.base, dest.offset + #t~loopctr10, 1);#t~loopctr10 := 1 + #t~loopctr10; 488#L-1-1 assume !(#t~loopctr10 < size);#t~loopctr12 := 0; 487#L-1-3 [2020-10-20 08:19:22,349 INFO L796 eck$LassoCheckResult]: Loop: 487#L-1-3 assume #t~loopctr12 < size;call #t~mem13.base, #t~mem13.offset := read~unchecked~$Pointer$(src.base, src.offset + #t~loopctr12, 4);call write~unchecked~$Pointer$(#t~mem13.base, #t~mem13.offset, dest.base, dest.offset + #t~loopctr12, 4);#t~loopctr12 := 4 + #t~loopctr12; 487#L-1-3 [2020-10-20 08:19:22,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:22,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1142857530, now seen corresponding path program 4 times [2020-10-20 08:19:22,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:22,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458056949] [2020-10-20 08:19:22,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:22,370 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:22,388 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:22,393 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:22,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:22,394 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 5 times [2020-10-20 08:19:22,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:22,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335954836] [2020-10-20 08:19:22,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:22,399 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:22,401 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:22,403 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:22,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:19:22,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1068845085, now seen corresponding path program 1 times [2020-10-20 08:19:22,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:19:22,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367351197] [2020-10-20 08:19:22,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:19:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:22,427 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:19:22,462 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:19:22,470 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:19:24,433 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 141 DAG size of output: 138 [2020-10-20 08:19:24,510 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 08:19:25,047 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-20 08:19:25,048 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 08:19:25,061 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 08:19:25,462 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-20 08:19:25,463 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 08:19:25,474 INFO L545 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 08:19:25,726 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-20 08:19:25,726 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 08:19:25,748 INFO L545 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 08:19:26,011 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-20 08:19:26,014 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 08:19:26,041 INFO L545 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 08:19:26,262 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-20 08:19:26,263 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 08:19:26,269 INFO L545 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 08:19:26,454 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-20 08:19:26,455 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 08:19:26,456 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-10-20 08:19:26,457 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:367, output treesize:287 [2020-10-20 08:19:26,627 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-20 08:19:27,060 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2020-10-20 08:19:27,246 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-20 08:19:27,504 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-20 08:19:27,683 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-20 08:19:29,615 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 179 DAG size of output: 167 [2020-10-20 08:19:30,820 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 159 [2020-10-20 08:19:30,823 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 08:19:30,823 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 08:19:30,823 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 08:19:30,823 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 08:19:30,823 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 08:19:30,823 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:19:30,823 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 08:19:30,824 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 08:19:30,824 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-memleak_nexttime.i_Iteration6_Lasso [2020-10-20 08:19:30,824 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 08:19:30,824 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 08:19:30,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:30,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:19:32,302 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:278) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:612) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.access$16(LassoCheck.java:539) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:957) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:865) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:461) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:382) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2020-10-20 08:19:32,307 INFO L168 Benchmark]: Toolchain (without parser) took 18176.46 ms. Allocated memory was 35.7 MB in the beginning and 94.9 MB in the end (delta: 59.2 MB). Free memory was 11.7 MB in the beginning and 52.0 MB in the end (delta: -40.4 MB). Peak memory consumption was 66.9 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:32,308 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 33.6 MB. Free memory was 19.0 MB in the beginning and 18.9 MB in the end (delta: 29.8 kB). Peak memory consumption was 29.8 kB. Max. memory is 14.3 GB. [2020-10-20 08:19:32,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.02 ms. Allocated memory was 35.7 MB in the beginning and 46.1 MB in the end (delta: 10.5 MB). Free memory was 10.8 MB in the beginning and 14.3 MB in the end (delta: -3.5 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:32,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.53 ms. Allocated memory is still 46.1 MB. Free memory was 14.3 MB in the beginning and 12.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:32,310 INFO L168 Benchmark]: Boogie Preprocessor took 34.88 ms. Allocated memory was 46.1 MB in the beginning and 46.7 MB in the end (delta: 524.3 kB). Free memory was 12.3 MB in the beginning and 28.2 MB in the end (delta: -15.9 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:32,312 INFO L168 Benchmark]: RCFGBuilder took 384.30 ms. Allocated memory was 46.7 MB in the beginning and 49.3 MB in the end (delta: 2.6 MB). Free memory was 27.9 MB in the beginning and 26.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:32,312 INFO L168 Benchmark]: BuchiAutomizer took 16983.40 ms. Allocated memory was 49.3 MB in the beginning and 94.9 MB in the end (delta: 45.6 MB). Free memory was 25.9 MB in the beginning and 52.0 MB in the end (delta: -26.2 MB). Peak memory consumption was 67.5 MB. Max. memory is 14.3 GB. [2020-10-20 08:19:32,316 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 ms. Allocated memory is still 33.6 MB. Free memory was 19.0 MB in the beginning and 18.9 MB in the end (delta: 29.8 kB). Peak memory consumption was 29.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 710.02 ms. Allocated memory was 35.7 MB in the beginning and 46.1 MB in the end (delta: 10.5 MB). Free memory was 10.8 MB in the beginning and 14.3 MB in the end (delta: -3.5 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 52.53 ms. Allocated memory is still 46.1 MB. Free memory was 14.3 MB in the beginning and 12.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 34.88 ms. Allocated memory was 46.1 MB in the beginning and 46.7 MB in the end (delta: 524.3 kB). Free memory was 12.3 MB in the beginning and 28.2 MB in the end (delta: -15.9 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 384.30 ms. Allocated memory was 46.7 MB in the beginning and 49.3 MB in the end (delta: 2.6 MB). Free memory was 27.9 MB in the beginning and 26.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 16983.40 ms. Allocated memory was 49.3 MB in the beginning and 94.9 MB in the end (delta: 45.6 MB). Free memory was 25.9 MB in the beginning and 52.0 MB in the end (delta: -26.2 MB). Peak memory consumption was 67.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable size * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...