./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2-2.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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/ldv-memsafety-bitfields/test-bitfields-2-2.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 3dbc6bab9a799b7f4b90bf959cd96947d3b192e5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 03:27:56,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 03:27:56,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 03:27:56,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 03:27:56,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 03:27:56,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 03:27:56,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 03:27:56,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 03:27:56,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 03:27:56,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 03:27:56,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 03:27:56,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 03:27:56,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 03:27:56,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 03:27:56,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 03:27:56,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 03:27:56,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 03:27:56,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 03:27:56,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 03:27:56,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 03:27:56,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 03:27:56,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 03:27:56,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 03:27:56,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 03:27:56,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 03:27:56,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 03:27:56,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 03:27:56,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 03:27:56,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 03:27:56,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 03:27:56,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 03:27:56,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 03:27:56,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 03:27:56,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 03:27:56,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 03:27:56,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 03:27:56,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 03:27:56,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 03:27:56,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 03:27:56,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 03:27:56,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 03:27:56,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 03:27:56,929 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 03:27:56,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 03:27:56,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 03:27:56,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 03:27:56,931 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 03:27:56,931 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 03:27:56,931 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 03:27:56,931 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 03:27:56,931 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 03:27:56,932 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 03:27:56,932 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 03:27:56,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 03:27:56,932 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 03:27:56,933 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 03:27:56,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 03:27:56,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 03:27:56,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 03:27:56,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 03:27:56,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 03:27:56,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 03:27:56,934 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 03:27:56,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 03:27:56,935 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 03:27:56,935 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 03:27:56,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 03:27:56,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 03:27:56,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 03:27:56,936 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 03:27:56,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 03:27:56,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 03:27:56,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 03:27:56,938 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 03:27:56,939 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 03:27:56,939 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 -> 3dbc6bab9a799b7f4b90bf959cd96947d3b192e5 [2020-07-29 03:27:57,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 03:27:57,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 03:27:57,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 03:27:57,367 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 03:27:57,368 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 03:27:57,368 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2-2.i [2020-07-29 03:27:57,440 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c69a3b868/f09fac109dc74d3fbc454f231d7b0854/FLAGd71b77834 [2020-07-29 03:27:57,871 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 03:27:57,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2-2.i [2020-07-29 03:27:57,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c69a3b868/f09fac109dc74d3fbc454f231d7b0854/FLAGd71b77834 [2020-07-29 03:27:58,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c69a3b868/f09fac109dc74d3fbc454f231d7b0854 [2020-07-29 03:27:58,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 03:27:58,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 03:27:58,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 03:27:58,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 03:27:58,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 03:27:58,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:27:58" (1/1) ... [2020-07-29 03:27:58,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bdcaf04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:58, skipping insertion in model container [2020-07-29 03:27:58,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:27:58" (1/1) ... [2020-07-29 03:27:58,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 03:27:58,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 03:27:58,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:27:58,488 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 03:27:58,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:27:58,556 INFO L208 MainTranslator]: Completed translation [2020-07-29 03:27:58,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:58 WrapperNode [2020-07-29 03:27:58,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 03:27:58,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 03:27:58,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 03:27:58,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 03:27:58,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:58" (1/1) ... [2020-07-29 03:27:58,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:58" (1/1) ... [2020-07-29 03:27:58,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 03:27:58,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 03:27:58,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 03:27:58,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 03:27:58,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:58" (1/1) ... [2020-07-29 03:27:58,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:58" (1/1) ... [2020-07-29 03:27:58,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:58" (1/1) ... [2020-07-29 03:27:58,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:58" (1/1) ... [2020-07-29 03:27:58,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:58" (1/1) ... [2020-07-29 03:27:58,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:58" (1/1) ... [2020-07-29 03:27:58,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:58" (1/1) ... [2020-07-29 03:27:58,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 03:27:58,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 03:27:58,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 03:27:58,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 03:27:58,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:58" (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 [2020-07-29 03:27:58,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-07-29 03:27:58,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-07-29 03:27:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-29 03:27:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-07-29 03:27:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 03:27:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 03:27:58,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-29 03:27:58,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-07-29 03:27:58,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 03:27:58,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 03:27:58,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-29 03:27:58,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 03:27:59,169 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 03:27:59,252 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 03:27:59,253 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-29 03:27:59,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:27:59 BoogieIcfgContainer [2020-07-29 03:27:59,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 03:27:59,258 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 03:27:59,258 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 03:27:59,262 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 03:27:59,263 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:27:59,264 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 03:27:58" (1/3) ... [2020-07-29 03:27:59,265 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@355948be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:27:59, skipping insertion in model container [2020-07-29 03:27:59,265 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:27:59,265 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:27:58" (2/3) ... [2020-07-29 03:27:59,266 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@355948be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:27:59, skipping insertion in model container [2020-07-29 03:27:59,266 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:27:59,266 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:27:59" (3/3) ... [2020-07-29 03:27:59,268 INFO L371 chiAutomizerObserver]: Analyzing ICFG test-bitfields-2-2.i [2020-07-29 03:27:59,321 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 03:27:59,321 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 03:27:59,321 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 03:27:59,321 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 03:27:59,322 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 03:27:59,322 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 03:27:59,322 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 03:27:59,322 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 03:27:59,333 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2020-07-29 03:27:59,365 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 03:27:59,365 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:27:59,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:27:59,373 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-07-29 03:27:59,373 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 03:27:59,373 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 03:27:59,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2020-07-29 03:27:59,378 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 03:27:59,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:27:59,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:27:59,379 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-07-29 03:27:59,380 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 03:27:59,388 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(5);call write~init~int(0, ~#d~0.base, ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 4 + ~#d~0.offset, 1); 11#L-1true havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~int(1, ~#d~0.base, ~#d~0.offset, 1);call write~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~int(5, ~#d~0.base, 4 + ~#d~0.offset, 1); 12#L31true call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 4);< 18##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; 3#$Ultimate##0true #t~loopctr8 := 0; 9#L-1-1true [2020-07-29 03:27:59,389 INFO L796 eck$LassoCheckResult]: Loop: 9#L-1-1true assume #t~loopctr8 < size;call #t~mem9 := read~unchecked~int(src.base, src.offset + #t~loopctr8, 1);call write~unchecked~int(#t~mem9, dest.base, dest.offset + #t~loopctr8, 1);#t~loopctr8 := 1 + #t~loopctr8; 9#L-1-1true [2020-07-29 03:27:59,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:27:59,395 INFO L82 PathProgramCache]: Analyzing trace with hash 28745848, now seen corresponding path program 1 times [2020-07-29 03:27:59,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:27:59,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568391198] [2020-07-29 03:27:59,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:27:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:27:59,535 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:27:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:27:59,575 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:27:59,600 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:27:59,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:27:59,603 INFO L82 PathProgramCache]: Analyzing trace with hash 79, now seen corresponding path program 1 times [2020-07-29 03:27:59,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:27:59,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239199] [2020-07-29 03:27:59,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:27:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:27:59,611 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:27:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:27:59,615 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:27:59,621 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:27:59,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:27:59,623 INFO L82 PathProgramCache]: Analyzing trace with hash 891121336, now seen corresponding path program 1 times [2020-07-29 03:27:59,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:27:59,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365252652] [2020-07-29 03:27:59,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:27:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:27:59,655 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:27:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:27:59,691 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:27:59,708 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:28:00,400 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2020-07-29 03:28:00,681 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-29 03:28:01,224 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2020-07-29 03:28:01,506 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-29 03:28:01,632 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 03:28:01,633 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 03:28:01,633 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 03:28:01,633 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 03:28:01,634 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 03:28:01,634 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:28:01,634 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 03:28:01,635 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 03:28:01,635 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-2-2.i_Iteration1_Lasso [2020-07-29 03:28:01,636 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 03:28:01,636 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 03:28:01,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:01,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:01,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:01,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:01,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:01,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:01,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:01,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:01,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:01,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:01,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:01,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:01,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:01,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:01,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:01,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:01,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:01,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:01,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:02,253 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-07-29 03:28:02,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:02,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:02,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:03,223 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 03:28:03,227 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:28:03,238 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 [2020-07-29 03:28:03,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:28:03,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:28:03,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:28:03,248 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 [2020-07-29 03:28:03,272 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 [2020-07-29 03:28:03,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:28:03,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:28:03,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:28:03,286 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 [2020-07-29 03:28:03,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 03:28:03,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:28:03,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:28:03,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:28:03,327 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 [2020-07-29 03:28:03,357 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 [2020-07-29 03:28:03,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:28:03,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:28:03,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:28:03,363 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 [2020-07-29 03:28:03,386 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 [2020-07-29 03:28:03,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 03:28:03,393 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 03:28:03,398 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 [2020-07-29 03:28:03,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 03:28:03,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:28:03,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:28:03,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:28:03,427 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 [2020-07-29 03:28:03,460 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 [2020-07-29 03:28:03,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:28:03,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:28:03,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:28:03,466 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 [2020-07-29 03:28:03,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 03:28:03,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:28:03,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:28:03,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:28:03,494 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 [2020-07-29 03:28:03,523 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 [2020-07-29 03:28:03,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:28:03,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:28:03,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:28:03,527 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 [2020-07-29 03:28:03,551 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 [2020-07-29 03:28:03,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:28:03,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:28:03,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:28:03,556 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 [2020-07-29 03:28:03,583 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 [2020-07-29 03:28:03,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:28:03,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,585 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:28:03,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:28:03,587 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 [2020-07-29 03:28:03,610 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 [2020-07-29 03:28:03,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:28:03,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:28:03,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:28:03,614 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 [2020-07-29 03:28:03,637 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 [2020-07-29 03:28:03,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 03:28:03,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 03:28:03,650 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 [2020-07-29 03:28:03,673 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 [2020-07-29 03:28:03,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:28:03,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:28:03,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:28:03,681 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 [2020-07-29 03:28:03,704 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 [2020-07-29 03:28:03,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:28:03,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:28:03,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:28:03,708 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 [2020-07-29 03:28:03,732 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 [2020-07-29 03:28:03,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:28:03,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:28:03,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:28:03,743 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 [2020-07-29 03:28:03,766 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 [2020-07-29 03:28:03,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:28:03,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:28:03,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:28:03,771 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 [2020-07-29 03:28:03,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 03:28:03,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 03:28:03,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 03:28:03,806 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) [2020-07-29 03:28:03,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:28:03,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 03:28:03,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 03:28:03,839 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 [2020-07-29 03:28:03,863 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 [2020-07-29 03:28:03,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 03:28:03,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 03:28:03,869 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 [2020-07-29 03:28:03,892 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 [2020-07-29 03:28:03,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 03:28:03,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 03:28:03,901 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 [2020-07-29 03:28:03,925 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 [2020-07-29 03:28:03,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,927 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-07-29 03:28:03,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,934 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-07-29 03:28:03,934 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 03:28:03,947 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 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 [2020-07-29 03:28:03,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 03:28:03,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:03,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:03,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:03,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:03,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 03:28:03,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 03:28:03,984 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:28:04,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 03:28:04,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:04,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:04,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:04,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:04,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 03:28:04,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 03:28:04,033 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 03:28:04,075 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2020-07-29 03:28:04,076 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 03:28:04,099 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:28:04,136 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-07-29 03:28:04,137 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 03:28:04,138 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_#t~loopctr8, #Ultimate.C_memcpy_size) = -1*#Ultimate.C_memcpy_#t~loopctr8 + 1*#Ultimate.C_memcpy_size Supporting invariants [] [2020-07-29 03:28:04,293 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2020-07-29 03:28:04,298 INFO L393 LassoCheck]: Loop: "assume #t~loopctr8 < size;call #t~mem9 := read~unchecked~int(src.base, src.offset + #t~loopctr8, 1);call write~unchecked~int(#t~mem9, dest.base, dest.offset + #t~loopctr8, 1);#t~loopctr8 := 1 + #t~loopctr8;" [2020-07-29 03:28:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:28:04,313 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2020-07-29 03:28:04,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:28:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:28:04,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 03:28:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:28:04,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 03:28:04,412 INFO L280 TraceCheckUtils]: 0: Hoare triple {33#unseeded} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(5);call write~init~int(0, ~#d~0.base, ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 4 + ~#d~0.offset, 1); {33#unseeded} is VALID [2020-07-29 03:28:04,413 INFO L280 TraceCheckUtils]: 1: Hoare triple {33#unseeded} havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~int(1, ~#d~0.base, ~#d~0.offset, 1);call write~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~int(5, ~#d~0.base, 4 + ~#d~0.offset, 1); {33#unseeded} is VALID [2020-07-29 03:28:04,414 INFO L263 TraceCheckUtils]: 2: Hoare triple {33#unseeded} call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 4); {33#unseeded} is VALID [2020-07-29 03:28:04,415 INFO L280 TraceCheckUtils]: 3: Hoare triple {33#unseeded} 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; {33#unseeded} is VALID [2020-07-29 03:28:04,416 INFO L280 TraceCheckUtils]: 4: Hoare triple {33#unseeded} #t~loopctr8 := 0; {33#unseeded} is VALID [2020-07-29 03:28:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:28:04,422 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 03:28:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:28:04,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 03:28:04,429 INFO L280 TraceCheckUtils]: 0: Hoare triple {36#(>= oldRank0 (+ (* (- 1) |#Ultimate.C_memcpy_#t~loopctr8|) |#Ultimate.C_memcpy_size|))} assume #t~loopctr8 < size;call #t~mem9 := read~unchecked~int(src.base, src.offset + #t~loopctr8, 1);call write~unchecked~int(#t~mem9, dest.base, dest.offset + #t~loopctr8, 1);#t~loopctr8 := 1 + #t~loopctr8; {126#(or (and (>= oldRank0 0) (> oldRank0 (+ (* (- 1) |#Ultimate.C_memcpy_#t~loopctr8|) |#Ultimate.C_memcpy_size|))) unseeded)} is VALID [2020-07-29 03:28:04,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 03:28:04,440 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-29 03:28:04,459 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 03:28:04,461 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 5 letters. Loop has 1 letters. [2020-07-29 03:28:04,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,471 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 [2020-07-29 03:28:04,473 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states. Second operand 2 states. [2020-07-29 03:28:04,598 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states.. Second operand 2 states. Result 28 states and 38 transitions. Complement of second has 6 states. [2020-07-29 03:28:04,598 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 [2020-07-29 03:28:04,598 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 03:28:04,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2020-07-29 03:28:04,603 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 03:28:04,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:28:04,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:28:04,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-29 03:28:04,610 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 03:28:04,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:28:04,611 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:28:04,611 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 38 transitions. [2020-07-29 03:28:04,613 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 03:28:04,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:28:04,613 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:28:04,618 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 23 states. [2020-07-29 03:28:04,622 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 03:28:04,623 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 03:28:04,623 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 2 states. [2020-07-29 03:28:04,625 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 03:28:04,625 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 03:28:04,626 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 28 states and 38 transitions. cyclomatic complexity: 13 [2020-07-29 03:28:04,626 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 03:28:04,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states. Stem has 5 letters. Loop has 1 letters. [2020-07-29 03:28:04,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 5 letters. Loop has 1 letters. [2020-07-29 03:28:04,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 38 transitions. cyclomatic complexity: 13 Stem has 5 letters. Loop has 1 letters. [2020-07-29 03:28:04,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 03:28:04,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 03:28:04,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 38 transitions. cyclomatic complexity: 13 Stem has 1 letters. Loop has 1 letters. [2020-07-29 03:28:04,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states. Stem has 7 letters. Loop has 1 letters. [2020-07-29 03:28:04,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 7 letters. Loop has 1 letters. [2020-07-29 03:28:04,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 38 transitions. cyclomatic complexity: 13 Stem has 7 letters. Loop has 1 letters. [2020-07-29 03:28:04,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states. Stem has 28 letters. Loop has 28 letters. [2020-07-29 03:28:04,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 28 letters. Loop has 28 letters. [2020-07-29 03:28:04,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 38 transitions. cyclomatic complexity: 13 Stem has 28 letters. Loop has 28 letters. [2020-07-29 03:28:04,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states. Stem has 23 letters. Loop has 23 letters. [2020-07-29 03:28:04,633 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 23 letters. Loop has 23 letters. [2020-07-29 03:28:04,633 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 38 transitions. cyclomatic complexity: 13 Stem has 23 letters. Loop has 23 letters. [2020-07-29 03:28:04,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 03:28:04,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 03:28:04,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 38 transitions. cyclomatic complexity: 13 Stem has 3 letters. Loop has 3 letters. [2020-07-29 03:28:04,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states. Stem has 6 letters. Loop has 1 letters. [2020-07-29 03:28:04,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 6 letters. Loop has 1 letters. [2020-07-29 03:28:04,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 38 transitions. cyclomatic complexity: 13 Stem has 6 letters. Loop has 1 letters. [2020-07-29 03:28:04,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states. Stem has 5 letters. Loop has 1 letters. [2020-07-29 03:28:04,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,637 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 5 letters. Loop has 1 letters. [2020-07-29 03:28:04,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,637 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 38 transitions. cyclomatic complexity: 13 Stem has 5 letters. Loop has 1 letters. [2020-07-29 03:28:04,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,637 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 03:28:04,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 03:28:04,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 38 transitions. cyclomatic complexity: 13 Stem has 1 letters. Loop has 1 letters. [2020-07-29 03:28:04,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states. Stem has 7 letters. Loop has 1 letters. [2020-07-29 03:28:04,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 7 letters. Loop has 1 letters. [2020-07-29 03:28:04,639 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,639 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 38 transitions. cyclomatic complexity: 13 Stem has 7 letters. Loop has 1 letters. [2020-07-29 03:28:04,639 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,639 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 03:28:04,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-29 03:28:04,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2020-07-29 03:28:04,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2020-07-29 03:28:04,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2020-07-29 03:28:04,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2020-07-29 03:28:04,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:04,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 38 transitions. cyclomatic complexity: 13 [2020-07-29 03:28:04,648 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 03:28:04,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 9 states and 11 transitions. [2020-07-29 03:28:04,654 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-07-29 03:28:04,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-07-29 03:28:04,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2020-07-29 03:28:04,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 03:28:04,656 INFO L688 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2020-07-29 03:28:04,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2020-07-29 03:28:04,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2020-07-29 03:28:04,678 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 03:28:04,678 INFO L82 GeneralOperation]: Start isEquivalent. First operand 9 states and 11 transitions. Second operand 8 states. [2020-07-29 03:28:04,679 INFO L74 IsIncluded]: Start isIncluded. First operand 9 states and 11 transitions. Second operand 8 states. [2020-07-29 03:28:04,681 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand 8 states. [2020-07-29 03:28:04,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 03:28:04,685 INFO L93 Difference]: Finished difference Result 9 states and 11 transitions. [2020-07-29 03:28:04,685 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-07-29 03:28:04,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 03:28:04,700 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 03:28:04,700 INFO L74 IsIncluded]: Start isIncluded. First operand 8 states. Second operand 9 states and 11 transitions. [2020-07-29 03:28:04,700 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 9 states and 11 transitions. [2020-07-29 03:28:04,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 03:28:04,718 INFO L93 Difference]: Finished difference Result 9 states and 11 transitions. [2020-07-29 03:28:04,719 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-07-29 03:28:04,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 03:28:04,719 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 03:28:04,719 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 03:28:04,720 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 03:28:04,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-29 03:28:04,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2020-07-29 03:28:04,724 INFO L711 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-07-29 03:28:04,724 INFO L591 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-07-29 03:28:04,725 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 03:28:04,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2020-07-29 03:28:04,725 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 03:28:04,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:28:04,725 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:28:04,726 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 03:28:04,726 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 03:28:04,727 INFO L794 eck$LassoCheckResult]: Stem: 184#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(5);call write~init~int(0, ~#d~0.base, ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 4 + ~#d~0.offset, 1); 181#L-1 havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~int(1, ~#d~0.base, ~#d~0.offset, 1);call write~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~int(5, ~#d~0.base, 4 + ~#d~0.offset, 1); 179#L31 call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 4);< 180##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 182#$Ultimate##0 #t~loopctr8 := 0; 183#L-1-1 assume !(#t~loopctr8 < size);#t~loopctr10 := 0; 185#L-1-3 [2020-07-29 03:28:04,727 INFO L796 eck$LassoCheckResult]: Loop: 185#L-1-3 assume #t~loopctr10 < size;#t~loopctr10 := 4 + #t~loopctr10; 185#L-1-3 [2020-07-29 03:28:04,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:28:04,729 INFO L82 PathProgramCache]: Analyzing trace with hash 891121338, now seen corresponding path program 1 times [2020-07-29 03:28:04,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:28:04,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79528182] [2020-07-29 03:28:04,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:28:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:28:04,827 INFO L280 TraceCheckUtils]: 0: Hoare triple {208#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(5);call write~init~int(0, ~#d~0.base, ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 4 + ~#d~0.offset, 1); {208#true} is VALID [2020-07-29 03:28:04,828 INFO L280 TraceCheckUtils]: 1: Hoare triple {208#true} havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~int(1, ~#d~0.base, ~#d~0.offset, 1);call write~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~int(5, ~#d~0.base, 4 + ~#d~0.offset, 1); {208#true} is VALID [2020-07-29 03:28:04,829 INFO L263 TraceCheckUtils]: 2: Hoare triple {208#true} call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 4); {210#(= 4 |#Ultimate.C_memcpy_size|)} is VALID [2020-07-29 03:28:04,830 INFO L280 TraceCheckUtils]: 3: Hoare triple {210#(= 4 |#Ultimate.C_memcpy_size|)} 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; {210#(= 4 |#Ultimate.C_memcpy_size|)} is VALID [2020-07-29 03:28:04,831 INFO L280 TraceCheckUtils]: 4: Hoare triple {210#(= 4 |#Ultimate.C_memcpy_size|)} #t~loopctr8 := 0; {211#(and (= 4 |#Ultimate.C_memcpy_size|) (= 0 |#Ultimate.C_memcpy_#t~loopctr8|))} is VALID [2020-07-29 03:28:04,832 INFO L280 TraceCheckUtils]: 5: Hoare triple {211#(and (= 4 |#Ultimate.C_memcpy_size|) (= 0 |#Ultimate.C_memcpy_#t~loopctr8|))} assume !(#t~loopctr8 < size);#t~loopctr10 := 0; {209#false} is VALID [2020-07-29 03:28:04,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 03:28:04,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79528182] [2020-07-29 03:28:04,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 03:28:04,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-29 03:28:04,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379521763] [2020-07-29 03:28:04,838 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-07-29 03:28:04,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:28:04,839 INFO L82 PathProgramCache]: Analyzing trace with hash 85, now seen corresponding path program 1 times [2020-07-29 03:28:04,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:28:04,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903429314] [2020-07-29 03:28:04,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:28:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:28:04,843 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:28:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:28:04,845 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:28:04,846 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:28:04,860 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 03:28:04,861 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 03:28:04,861 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 03:28:04,861 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 03:28:04,861 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 03:28:04,861 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:28:04,861 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 03:28:04,862 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 03:28:04,862 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-2-2.i_Iteration2_Loop [2020-07-29 03:28:04,862 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 03:28:04,862 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 03:28:04,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:04,910 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 03:28:04,911 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 03:28:04,917 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 03:28:04,917 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 03:28:04,956 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 03:28:04,957 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:28:05,067 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 03:28:05,069 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 03:28:05,069 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 03:28:05,069 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 03:28:05,069 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 03:28:05,069 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 03:28:05,070 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:28:05,070 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 03:28:05,070 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 03:28:05,070 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-2-2.i_Iteration2_Loop [2020-07-29 03:28:05,070 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 03:28:05,070 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 03:28:05,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 03:28:05,117 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 03:28:05,117 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:28:05,123 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 [2020-07-29 03:28:05,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 03:28:05,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 03:28:05,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 03:28:05,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 03:28:05,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 03:28:05,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 03:28:05,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 03:28:05,135 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 03:28:05,143 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-07-29 03:28:05,143 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 03:28:05,146 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 03:28:05,146 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 03:28:05,146 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 03:28:05,146 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 [] Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 03:28:05,180 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 03:28:05,184 INFO L393 LassoCheck]: Loop: "assume #t~loopctr10 < size;#t~loopctr10 := 4 + #t~loopctr10;" [2020-07-29 03:28:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:28:05,187 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2020-07-29 03:28:05,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:28:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:28:05,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 03:28:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:28:05,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 03:28:05,246 INFO L280 TraceCheckUtils]: 0: Hoare triple {214#unseeded} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(5);call write~init~int(0, ~#d~0.base, ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 4 + ~#d~0.offset, 1); {214#unseeded} is VALID [2020-07-29 03:28:05,246 INFO L280 TraceCheckUtils]: 1: Hoare triple {214#unseeded} havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~int(1, ~#d~0.base, ~#d~0.offset, 1);call write~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~int(5, ~#d~0.base, 4 + ~#d~0.offset, 1); {214#unseeded} is VALID [2020-07-29 03:28:05,248 INFO L263 TraceCheckUtils]: 2: Hoare triple {214#unseeded} call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 4); {214#unseeded} is VALID [2020-07-29 03:28:05,248 INFO L280 TraceCheckUtils]: 3: Hoare triple {214#unseeded} 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; {214#unseeded} is VALID [2020-07-29 03:28:05,249 INFO L280 TraceCheckUtils]: 4: Hoare triple {214#unseeded} #t~loopctr8 := 0; {214#unseeded} is VALID [2020-07-29 03:28:05,250 INFO L280 TraceCheckUtils]: 5: Hoare triple {214#unseeded} assume !(#t~loopctr8 < size);#t~loopctr10 := 0; {214#unseeded} is VALID [2020-07-29 03:28:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:28:05,253 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 03:28:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 03:28:05,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 03:28:05,259 INFO L280 TraceCheckUtils]: 0: Hoare triple {217#(>= oldRank0 (+ |#Ultimate.C_memcpy_size| (* (- 1) |#Ultimate.C_memcpy_#t~loopctr10|)))} assume #t~loopctr10 < size;#t~loopctr10 := 4 + #t~loopctr10; {227#(or (and (> oldRank0 (+ |#Ultimate.C_memcpy_size| (* (- 1) |#Ultimate.C_memcpy_#t~loopctr10|))) (>= oldRank0 0)) unseeded)} is VALID [2020-07-29 03:28:05,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 03:28:05,260 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-29 03:28:05,266 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 03:28:05,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 6 letters. Loop has 1 letters. [2020-07-29 03:28:05,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,267 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 [2020-07-29 03:28:05,268 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand 2 states. [2020-07-29 03:28:05,295 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 9 states and 11 transitions. Complement of second has 3 states. [2020-07-29 03:28:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-07-29 03:28:05,295 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 03:28:05,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. cyclomatic complexity: 4 [2020-07-29 03:28:05,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:28:05,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:28:05,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-29 03:28:05,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 03:28:05,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:28:05,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:28:05,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2020-07-29 03:28:05,302 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:28:05,302 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:28:05,302 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 8 states and 10 transitions. cyclomatic complexity: 4 [2020-07-29 03:28:05,308 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 03:28:05,308 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 2 states. [2020-07-29 03:28:05,309 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 03:28:05,309 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 03:28:05,310 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 9 states and 11 transitions. cyclomatic complexity: 4 [2020-07-29 03:28:05,310 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. cyclomatic complexity: 4 [2020-07-29 03:28:05,310 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:28:05,310 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 03:28:05,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 10 transitions. cyclomatic complexity: 4 Stem has 6 letters. Loop has 1 letters. [2020-07-29 03:28:05,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,312 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 6 letters. Loop has 1 letters. [2020-07-29 03:28:05,313 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,313 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 11 transitions. cyclomatic complexity: 4 Stem has 6 letters. Loop has 1 letters. [2020-07-29 03:28:05,313 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,313 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 10 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 03:28:05,313 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 03:28:05,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 11 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 03:28:05,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 10 transitions. cyclomatic complexity: 4 Stem has 9 letters. Loop has 9 letters. [2020-07-29 03:28:05,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 9 letters. Loop has 9 letters. [2020-07-29 03:28:05,315 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 11 transitions. cyclomatic complexity: 4 Stem has 9 letters. Loop has 9 letters. [2020-07-29 03:28:05,315 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 10 transitions. cyclomatic complexity: 4 Stem has 8 letters. Loop has 8 letters. [2020-07-29 03:28:05,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 8 letters. Loop has 8 letters. [2020-07-29 03:28:05,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 11 transitions. cyclomatic complexity: 4 Stem has 8 letters. Loop has 8 letters. [2020-07-29 03:28:05,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 10 transitions. cyclomatic complexity: 4 Stem has 2 letters. Loop has 2 letters. [2020-07-29 03:28:05,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,317 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 03:28:05,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,317 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 11 transitions. cyclomatic complexity: 4 Stem has 2 letters. Loop has 2 letters. [2020-07-29 03:28:05,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 10 transitions. cyclomatic complexity: 4 Stem has 6 letters. Loop has 1 letters. [2020-07-29 03:28:05,318 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 6 letters. Loop has 1 letters. [2020-07-29 03:28:05,318 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 11 transitions. cyclomatic complexity: 4 Stem has 6 letters. Loop has 1 letters. [2020-07-29 03:28:05,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 10 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 03:28:05,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 03:28:05,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 11 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 03:28:05,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,320 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 03:28:05,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-29 03:28:05,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2020-07-29 03:28:05,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2020-07-29 03:28:05,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 7 letters. Loop has 1 letters. [2020-07-29 03:28:05,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2020-07-29 03:28:05,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 03:28:05,324 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 11 transitions. cyclomatic complexity: 4 [2020-07-29 03:28:05,325 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:28:05,326 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2020-07-29 03:28:05,326 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 03:28:05,326 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 03:28:05,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 03:28:05,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 03:28:05,327 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:28:05,327 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:28:05,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 03:28:05,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-29 03:28:05,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-29 03:28:05,332 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2020-07-29 03:28:05,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 03:28:05,332 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-29 03:28:05,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-29 03:28:05,332 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 03:28:05,346 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 03:28:05,347 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-07-29 03:28:05,347 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:28:05,347 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-07-29 03:28:05,347 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 03:28:05,347 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 03:28:05,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 03:28:05,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 03:28:05,348 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:28:05,348 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:28:05,348 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 03:28:05,348 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2020-07-29 03:28:05,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 03:28:05,349 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 03:28:05,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 03:28:05,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 03:28:05 BoogieIcfgContainer [2020-07-29 03:28:05,357 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 03:28:05,358 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 03:28:05,358 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 03:28:05,358 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 03:28:05,359 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:27:59" (3/4) ... [2020-07-29 03:28:05,362 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 03:28:05,363 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 03:28:05,365 INFO L168 Benchmark]: Toolchain (without parser) took 7114.85 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.9 MB). Free memory was 960.2 MB in the beginning and 1.2 GB in the end (delta: -243.4 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. [2020-07-29 03:28:05,365 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:28:05,366 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.38 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 03:28:05,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 949.5 MB in the beginning and 1.2 GB in the end (delta: -222.5 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 03:28:05,368 INFO L168 Benchmark]: Boogie Preprocessor took 31.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:28:05,368 INFO L168 Benchmark]: RCFGBuilder took 527.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2020-07-29 03:28:05,369 INFO L168 Benchmark]: BuchiAutomizer took 6099.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 108.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -62.9 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. [2020-07-29 03:28:05,370 INFO L168 Benchmark]: Witness Printer took 5.20 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:28:05,373 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 306.38 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 136.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 949.5 MB in the beginning and 1.2 GB in the end (delta: -222.5 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 527.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6099.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 108.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -62.9 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.20 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable size - GenericResult: Unfinished Backtranslation unknown boogie variable size * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * aux-#t~loopctr8-aux + unknown-size-unknown and consists of 3 locations. One deterministic module has affine ranking function unknown-size-unknown + -1 * aux-#t~loopctr10-aux and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 16 SDslu, 1 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital71 mio100 ax100 hnf100 lsp98 ukn87 mio100 lsp79 div100 bol100 ite100 ukn100 eq168 hnf86 smp96 dnf100 smp100 tf108 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 4 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...