./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/stroeder1-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_46a1bb09-e71f-4c78-b3aa-e0a1bd70613b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_46a1bb09-e71f-4c78-b3aa-e0a1bd70613b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_46a1bb09-e71f-4c78-b3aa-e0a1bd70613b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_46a1bb09-e71f-4c78-b3aa-e0a1bd70613b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/stroeder1-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_46a1bb09-e71f-4c78-b3aa-e0a1bd70613b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_46a1bb09-e71f-4c78-b3aa-e0a1bd70613b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 206fc0df1055f51a334aa0371a01a5320b241a2f .............................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:57:41,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:41,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:41,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:41,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:41,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:41,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:41,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:41,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:41,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:41,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:41,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:41,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:41,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:41,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:41,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:41,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:41,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:41,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:41,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:41,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:41,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:41,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:41,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:41,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:41,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:41,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:41,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:41,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:41,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:41,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:41,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:41,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:41,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:41,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:41,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:41,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:41,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:41,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:41,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:41,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:41,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_46a1bb09-e71f-4c78-b3aa-e0a1bd70613b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-10-22 08:57:41,918 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:41,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:41,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:41,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:41,929 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:41,930 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:57:41,930 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:57:41,930 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:57:41,930 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:57:41,930 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:57:41,930 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:57:41,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:41,931 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:57:41,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:41,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:41,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:57:41,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:57:41,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:57:41,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:41,932 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:57:41,932 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:41,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:57:41,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:41,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:41,933 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:57:41,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:41,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:41,933 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:57:41,934 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:57:41,934 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_46a1bb09-e71f-4c78-b3aa-e0a1bd70613b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 206fc0df1055f51a334aa0371a01a5320b241a2f [2019-10-22 08:57:41,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:41,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:41,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:41,982 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:41,983 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:41,983 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_46a1bb09-e71f-4c78-b3aa-e0a1bd70613b/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/stroeder1-alloca-2.i [2019-10-22 08:57:42,030 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_46a1bb09-e71f-4c78-b3aa-e0a1bd70613b/bin/uautomizer/data/d35c672b2/98147752fb4647868980a1098883429b/FLAG65a8edaa9 [2019-10-22 08:57:42,482 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:42,483 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_46a1bb09-e71f-4c78-b3aa-e0a1bd70613b/sv-benchmarks/c/termination-memory-alloca/stroeder1-alloca-2.i [2019-10-22 08:57:42,496 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_46a1bb09-e71f-4c78-b3aa-e0a1bd70613b/bin/uautomizer/data/d35c672b2/98147752fb4647868980a1098883429b/FLAG65a8edaa9 [2019-10-22 08:57:42,839 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_46a1bb09-e71f-4c78-b3aa-e0a1bd70613b/bin/uautomizer/data/d35c672b2/98147752fb4647868980a1098883429b [2019-10-22 08:57:42,841 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:42,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:42,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:42,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:42,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:42,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:42" (1/1) ... [2019-10-22 08:57:42,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232ca86d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:42, skipping insertion in model container [2019-10-22 08:57:42,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:42" (1/1) ... [2019-10-22 08:57:42,858 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:42,899 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:43,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:43,237 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:43,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:43,326 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:43,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43 WrapperNode [2019-10-22 08:57:43,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:43,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:43,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:43,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:43,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:43,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:43,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:43,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:43,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... [2019-10-22 08:57:43,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:43,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:43,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:43,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:43,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46a1bb09-e71f-4c78-b3aa-e0a1bd70613b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:57:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:57:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:57:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:43,615 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:43,615 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:57:43,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:43 BoogieIcfgContainer [2019-10-22 08:57:43,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:43,618 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:57:43,618 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:57:43,621 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:57:43,622 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:43,622 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:57:42" (1/3) ... [2019-10-22 08:57:43,628 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@371ae39f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:57:43, skipping insertion in model container [2019-10-22 08:57:43,629 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:43,629 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:43" (2/3) ... [2019-10-22 08:57:43,630 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@371ae39f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:57:43, skipping insertion in model container [2019-10-22 08:57:43,630 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:43,630 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:43" (3/3) ... [2019-10-22 08:57:43,631 INFO L371 chiAutomizerObserver]: Analyzing ICFG stroeder1-alloca-2.i [2019-10-22 08:57:43,711 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:57:43,720 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:57:43,720 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:57:43,720 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:43,720 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:43,720 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:57:43,720 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:43,721 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:57:43,745 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-10-22 08:57:43,781 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-10-22 08:57:43,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:57:43,781 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:57:43,787 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-10-22 08:57:43,787 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-10-22 08:57:43,788 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:57:43,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-10-22 08:57:43,801 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-10-22 08:57:43,801 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:57:43,801 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:57:43,801 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-10-22 08:57:43,801 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-10-22 08:57:43,817 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~ret6, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet4;havoc main_#t~nondet4; 8#L561true assume !(main_~array_size~0 < 1); 13#L561-2true call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 11#L552-3true [2019-10-22 08:57:43,818 INFO L793 eck$LassoCheckResult]: Loop: 11#L552-3true assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset;call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_~sum~0 := sumOfThirdBytes_~sum~0 + sumOfThirdBytes_#t~mem3;havoc sumOfThirdBytes_#t~mem3; 9#L552-2true sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 11#L552-3true [2019-10-22 08:57:43,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:43,823 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-10-22 08:57:43,831 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:43,831 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048482326] [2019-10-22 08:57:43,831 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:43,832 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:43,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:43,948 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:43,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:43,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2019-10-22 08:57:43,949 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:43,949 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042544038] [2019-10-22 08:57:43,949 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:43,950 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:43,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:43,969 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:43,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:43,971 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2019-10-22 08:57:43,971 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:43,971 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590776248] [2019-10-22 08:57:43,971 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:43,972 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:43,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:44,014 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:44,218 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:44,219 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:44,219 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:44,219 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:44,220 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:57:44,220 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:44,220 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:44,220 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:44,220 INFO L131 ssoRankerPreferences]: Filename of dumped script: stroeder1-alloca-2.i_Iteration1_Lasso [2019-10-22 08:57:44,220 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:44,221 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:44,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:44,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:44,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:44,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:44,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:44,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:44,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:44,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:44,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:44,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:44,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:44,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:44,669 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:44,673 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:57:44,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:44,677 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:44,677 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:44,677 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:44,678 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:44,678 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:44,679 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:44,680 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:44,681 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:44,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:44,684 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:44,684 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:44,684 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:44,685 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:44,685 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:44,685 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:44,685 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:44,686 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:44,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:44,687 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:44,687 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:44,688 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:44,688 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:44,688 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:44,688 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:44,688 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:44,689 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:44,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:44,690 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:44,690 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:44,690 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:44,691 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:44,701 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:44,702 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:57:44,706 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:44,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:44,707 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:44,707 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:44,707 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:44,708 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:44,711 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:44,719 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:57:44,722 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:44,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:44,723 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:44,723 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:44,724 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:44,724 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:44,724 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:44,724 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:44,724 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:44,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:57:44,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:57:44,726 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:44,727 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:44,727 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:44,727 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:44,732 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:57:44,733 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:57:44,787 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:57:44,845 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-10-22 08:57:44,845 INFO L444 ModelExtractionUtils]: 33 out of 37 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-10-22 08:57:44,847 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:57:44,849 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-10-22 08:57:44,850 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:57:44,850 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sumOfThirdBytes_~array_size, ULTIMATE.start_sumOfThirdBytes_~i~0) = 1*ULTIMATE.start_sumOfThirdBytes_~array_size - 1*ULTIMATE.start_sumOfThirdBytes_~i~0 Supporting invariants [] [2019-10-22 08:57:44,863 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2019-10-22 08:57:44,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:44,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:57:44,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:44,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:57:44,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:44,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:44,944 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-10-22 08:57:44,945 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2019-10-22 08:57:44,983 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 23 states and 28 transitions. Complement of second has 7 states. [2019-10-22 08:57:44,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-10-22 08:57:44,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-10-22 08:57:44,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2019-10-22 08:57:44,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2019-10-22 08:57:44,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:44,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 6 letters. Loop has 2 letters. [2019-10-22 08:57:44,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:44,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 4 letters. [2019-10-22 08:57:44,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:44,991 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2019-10-22 08:57:44,993 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:57:44,996 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2019-10-22 08:57:44,997 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:57:44,997 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:57:44,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:57:44,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:57:44,998 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:44,999 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:44,999 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:44,999 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:57:44,999 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:57:44,999 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:57:44,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:57:45,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:57:45 BoogieIcfgContainer [2019-10-22 08:57:45,005 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:57:45,006 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:45,006 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:45,006 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:45,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:43" (3/4) ... [2019-10-22 08:57:45,010 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:57:45,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:45,012 INFO L168 Benchmark]: Toolchain (without parser) took 2169.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 943.1 MB in the beginning and 924.1 MB in the end (delta: 19.0 MB). Peak memory consumption was 126.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:45,013 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:45,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:45,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:45,014 INFO L168 Benchmark]: Boogie Preprocessor took 21.57 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:45,014 INFO L168 Benchmark]: RCFGBuilder took 230.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:45,015 INFO L168 Benchmark]: BuchiAutomizer took 1388.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 924.1 MB in the end (delta: 140.8 MB). Peak memory consumption was 140.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:45,015 INFO L168 Benchmark]: Witness Printer took 4.30 ms. Allocated memory is still 1.1 GB. Free memory is still 924.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:45,018 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 483.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.57 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 230.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1388.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 924.1 MB in the end (delta: 140.8 MB). Peak memory consumption was 140.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.30 ms. Allocated memory is still 1.1 GB. Free memory is still 924.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function array_size + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 10 SDslu, 8 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital120 mio100 ax114 hnf99 lsp82 ukn80 mio100 lsp60 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...