./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-sets/test_add_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1bf68de1-0832-42f1-a370-915cd22b0103/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1bf68de1-0832-42f1-a370-915cd22b0103/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1bf68de1-0832-42f1-a370-915cd22b0103/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1bf68de1-0832-42f1-a370-915cd22b0103/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-sets/test_add_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1bf68de1-0832-42f1-a370-915cd22b0103/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1bf68de1-0832-42f1-a370-915cd22b0103/bin-2019/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 32bit --witnessprinter.graph.data.programhash 278390a66d79c26df0bb9007834f9da647c0b479 ............................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:32:08,900 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:32:08,901 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:32:08,908 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:32:08,908 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:32:08,908 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:32:08,909 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:32:08,910 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:32:08,911 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:32:08,912 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:32:08,912 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:32:08,912 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:32:08,913 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:32:08,914 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:32:08,914 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:32:08,915 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:32:08,915 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:32:08,916 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:32:08,918 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:32:08,919 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:32:08,919 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:32:08,920 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:32:08,921 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:32:08,922 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:32:08,922 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:32:08,922 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:32:08,923 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:32:08,923 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:32:08,924 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:32:08,925 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:32:08,925 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:32:08,925 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:32:08,925 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:32:08,925 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:32:08,926 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:32:08,927 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:32:08,927 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1bf68de1-0832-42f1-a370-915cd22b0103/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 13:32:08,936 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:32:08,936 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:32:08,937 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:32:08,937 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:32:08,937 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:32:08,937 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 13:32:08,938 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 13:32:08,938 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 13:32:08,938 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 13:32:08,938 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 13:32:08,938 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 13:32:08,938 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:32:08,938 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:32:08,938 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 13:32:08,939 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:32:08,939 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:32:08,939 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:32:08,939 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 13:32:08,939 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 13:32:08,939 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 13:32:08,939 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:32:08,940 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:32:08,940 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 13:32:08,940 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:32:08,940 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 13:32:08,940 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:32:08,940 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:32:08,940 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 13:32:08,940 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:32:08,941 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:32:08,941 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 13:32:08,941 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 13:32:08,941 INFO L133 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_1bf68de1-0832-42f1-a370-915cd22b0103/bin-2019/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 278390a66d79c26df0bb9007834f9da647c0b479 [2018-11-28 13:32:08,965 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:32:08,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:32:08,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:32:08,975 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:32:08,975 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:32:08,975 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1bf68de1-0832-42f1-a370-915cd22b0103/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-sets/test_add_false-unreach-call_true-termination.i [2018-11-28 13:32:09,009 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1bf68de1-0832-42f1-a370-915cd22b0103/bin-2019/uautomizer/data/7f09eda41/cf4db45e39724910bdedfddf1f6a8433/FLAG21c260fea [2018-11-28 13:32:09,457 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:32:09,457 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1bf68de1-0832-42f1-a370-915cd22b0103/sv-benchmarks/c/ldv-sets/test_add_false-unreach-call_true-termination.i [2018-11-28 13:32:09,466 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1bf68de1-0832-42f1-a370-915cd22b0103/bin-2019/uautomizer/data/7f09eda41/cf4db45e39724910bdedfddf1f6a8433/FLAG21c260fea [2018-11-28 13:32:09,477 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1bf68de1-0832-42f1-a370-915cd22b0103/bin-2019/uautomizer/data/7f09eda41/cf4db45e39724910bdedfddf1f6a8433 [2018-11-28 13:32:09,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:32:09,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:32:09,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:32:09,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:32:09,484 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:32:09,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:32:09" (1/1) ... [2018-11-28 13:32:09,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd3d878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:09, skipping insertion in model container [2018-11-28 13:32:09,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:32:09" (1/1) ... [2018-11-28 13:32:09,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:32:09,517 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:32:09,781 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:32:09,791 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:32:09,828 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:32:09,862 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:32:09,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:09 WrapperNode [2018-11-28 13:32:09,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:32:09,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:32:09,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:32:09,863 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:32:09,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:09" (1/1) ... [2018-11-28 13:32:09,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:09" (1/1) ... [2018-11-28 13:32:09,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:32:09,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:32:09,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:32:09,903 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:32:09,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:09" (1/1) ... [2018-11-28 13:32:09,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:09" (1/1) ... [2018-11-28 13:32:09,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:09" (1/1) ... [2018-11-28 13:32:09,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:09" (1/1) ... [2018-11-28 13:32:09,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:09" (1/1) ... [2018-11-28 13:32:09,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:09" (1/1) ... [2018-11-28 13:32:09,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:09" (1/1) ... [2018-11-28 13:32:09,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:32:09,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:32:09,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:32:09,928 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:32:09,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1bf68de1-0832-42f1-a370-915cd22b0103/bin-2019/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 [2018-11-28 13:32:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:32:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 13:32:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 13:32:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 13:32:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 13:32:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 13:32:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:32:09,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:32:10,227 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:32:10,227 INFO L280 CfgBuilder]: Removed 20 assue(true) statements. [2018-11-28 13:32:10,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:32:10 BoogieIcfgContainer [2018-11-28 13:32:10,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:32:10,228 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 13:32:10,228 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 13:32:10,230 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 13:32:10,231 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:32:10,231 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 01:32:09" (1/3) ... [2018-11-28 13:32:10,231 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fbc91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:32:10, skipping insertion in model container [2018-11-28 13:32:10,231 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:32:10,231 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:09" (2/3) ... [2018-11-28 13:32:10,232 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fbc91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:32:10, skipping insertion in model container [2018-11-28 13:32:10,232 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:32:10,232 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:32:10" (3/3) ... [2018-11-28 13:32:10,233 INFO L375 chiAutomizerObserver]: Analyzing ICFG test_add_false-unreach-call_true-termination.i [2018-11-28 13:32:10,267 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:32:10,268 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 13:32:10,268 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 13:32:10,268 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 13:32:10,268 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:32:10,268 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:32:10,268 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 13:32:10,268 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:32:10,269 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 13:32:10,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2018-11-28 13:32:10,296 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2018-11-28 13:32:10,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:32:10,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:32:10,302 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 13:32:10,302 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 13:32:10,302 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 13:32:10,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2018-11-28 13:32:10,303 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2018-11-28 13:32:10,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:32:10,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:32:10,304 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 13:32:10,304 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 13:32:10,309 INFO L794 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call ~#s1~0.base, ~#s1~0.offset := #Ultimate.alloc(8);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, ~#s1~0.offset, 4);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, 4 + ~#s1~0.offset, 4); 16#L-1true havoc main_#res;havoc foo_#t~nondet27, foo_#t~ret28, foo_~j~0;foo_~j~0 := foo_#t~nondet27;havoc foo_#t~nondet27;ldv_set_add_#in~new, ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset := foo_~j~0, ~#s1~0.base, ~#s1~0.offset;havoc ldv_set_add_#t~ret17, ldv_set_add_#t~ret18.base, ldv_set_add_#t~ret18.offset, ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset, ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;ldv_set_add_~new := ldv_set_add_#in~new;ldv_set_add_~s.base, ldv_set_add_~s.offset := ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset;ldv_is_in_set_#in~e, ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset := ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;havoc ldv_is_in_set_#res;havoc ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset, ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset, ldv_is_in_set_#t~mem25, ldv_is_in_set_#t~mem24.base, ldv_is_in_set_#t~mem24.offset, ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset, ldv_is_in_set_~e, ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;ldv_is_in_set_~e := ldv_is_in_set_#in~e;ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset := ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset;havoc ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;call ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset := read~$Pointer$(ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, 4);ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset := ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;havoc ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset - 4; 20#L639-3true [2018-11-28 13:32:10,310 INFO L796 eck$LassoCheckResult]: Loop: 20#L639-3true assume !!(ldv_is_in_set_~m~1.base != ldv_is_in_set_~s.base || 4 + ldv_is_in_set_~m~1.offset != ldv_is_in_set_~s.offset);call ldv_is_in_set_#t~mem25 := read~int(ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset, 4); 11#L640true assume !(ldv_is_in_set_#t~mem25 == ldv_is_in_set_~e);havoc ldv_is_in_set_#t~mem25; 19#L639-2true call ldv_is_in_set_#t~mem24.base, ldv_is_in_set_#t~mem24.offset := read~$Pointer$(ldv_is_in_set_~m~1.base, 4 + ldv_is_in_set_~m~1.offset, 4);ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset := ldv_is_in_set_#t~mem24.base, ldv_is_in_set_#t~mem24.offset;havoc ldv_is_in_set_#t~mem24.base, ldv_is_in_set_#t~mem24.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset - 4; 20#L639-3true [2018-11-28 13:32:10,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:10,314 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-28 13:32:10,315 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:10,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:10,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:10,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:10,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:32:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:32:10,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:10,401 INFO L82 PathProgramCache]: Analyzing trace with hash 39883, now seen corresponding path program 1 times [2018-11-28 13:32:10,401 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:10,401 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:10,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:10,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:10,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:32:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:32:10,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:10,416 INFO L82 PathProgramCache]: Analyzing trace with hash 28698825, now seen corresponding path program 1 times [2018-11-28 13:32:10,416 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:10,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:10,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:10,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:10,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:10,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:32:10,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:32:10,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:32:10,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:32:10,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:32:10,641 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2018-11-28 13:32:10,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:10,711 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2018-11-28 13:32:10,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:32:10,713 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 29 transitions. [2018-11-28 13:32:10,714 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 13:32:10,718 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 12 states and 12 transitions. [2018-11-28 13:32:10,718 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2018-11-28 13:32:10,719 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2018-11-28 13:32:10,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 12 transitions. [2018-11-28 13:32:10,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 13:32:10,720 INFO L705 BuchiCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-11-28 13:32:10,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 12 transitions. [2018-11-28 13:32:10,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-11-28 13:32:10,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-28 13:32:10,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-11-28 13:32:10,739 INFO L728 BuchiCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-11-28 13:32:10,739 INFO L608 BuchiCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-11-28 13:32:10,739 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 13:32:10,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 12 transitions. [2018-11-28 13:32:10,739 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 13:32:10,739 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:32:10,739 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:32:10,740 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:32:10,740 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 13:32:10,740 INFO L794 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call ~#s1~0.base, ~#s1~0.offset := #Ultimate.alloc(8);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, ~#s1~0.offset, 4);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, 4 + ~#s1~0.offset, 4); 63#L-1 havoc main_#res;havoc foo_#t~nondet27, foo_#t~ret28, foo_~j~0;foo_~j~0 := foo_#t~nondet27;havoc foo_#t~nondet27;ldv_set_add_#in~new, ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset := foo_~j~0, ~#s1~0.base, ~#s1~0.offset;havoc ldv_set_add_#t~ret17, ldv_set_add_#t~ret18.base, ldv_set_add_#t~ret18.offset, ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset, ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;ldv_set_add_~new := ldv_set_add_#in~new;ldv_set_add_~s.base, ldv_set_add_~s.offset := ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset;ldv_is_in_set_#in~e, ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset := ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;havoc ldv_is_in_set_#res;havoc ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset, ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset, ldv_is_in_set_#t~mem25, ldv_is_in_set_#t~mem24.base, ldv_is_in_set_#t~mem24.offset, ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset, ldv_is_in_set_~e, ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;ldv_is_in_set_~e := ldv_is_in_set_#in~e;ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset := ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset;havoc ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;call ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset := read~$Pointer$(ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, 4);ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset := ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;havoc ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset - 4; 64#L639-3 assume !(ldv_is_in_set_~m~1.base != ldv_is_in_set_~s.base || 4 + ldv_is_in_set_~m~1.offset != ldv_is_in_set_~s.offset); 71#L639-4 ldv_is_in_set_#res := 0; 65#L644 ldv_set_add_#t~ret17 := ldv_is_in_set_#res; 66#L620 assume 0 == ldv_set_add_#t~ret17;havoc ldv_set_add_#t~ret17;havoc ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset;ldv_successful_malloc_#in~size := 12;havoc ldv_successful_malloc_#res.base, ldv_successful_malloc_#res.offset;havoc ldv_successful_malloc_#t~malloc5.base, ldv_successful_malloc_#t~malloc5.offset, ldv_successful_malloc_~size, ldv_successful_malloc_~ptr~0.base, ldv_successful_malloc_~ptr~0.offset;ldv_successful_malloc_~size := ldv_successful_malloc_#in~size;call ldv_successful_malloc_#t~malloc5.base, ldv_successful_malloc_#t~malloc5.offset := #Ultimate.alloc(ldv_successful_malloc_~size);ldv_successful_malloc_~ptr~0.base, ldv_successful_malloc_~ptr~0.offset := ldv_successful_malloc_#t~malloc5.base, ldv_successful_malloc_#t~malloc5.offset;assume 0 != (if ldv_successful_malloc_~ptr~0.base != 0 || ldv_successful_malloc_~ptr~0.offset != 0 then 1 else 0);ldv_successful_malloc_#res.base, ldv_successful_malloc_#res.offset := ldv_successful_malloc_~ptr~0.base, ldv_successful_malloc_~ptr~0.offset; 72#L565 ldv_set_add_#t~ret18.base, ldv_set_add_#t~ret18.offset := ldv_successful_malloc_#res.base, ldv_successful_malloc_#res.offset;ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset := ldv_set_add_#t~ret18.base, ldv_set_add_#t~ret18.offset;havoc ldv_set_add_#t~ret18.base, ldv_set_add_#t~ret18.offset;call write~int(ldv_set_add_~new, ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset, 4);ldv_list_add_#in~new.base, ldv_list_add_#in~new.offset, ldv_list_add_#in~head.base, ldv_list_add_#in~head.offset := ldv_set_add_~le~0.base, 4 + ldv_set_add_~le~0.offset, ldv_set_add_~s.base, ldv_set_add_~s.offset;havoc ldv_list_add_#t~mem6.base, ldv_list_add_#t~mem6.offset, ldv_list_add_~new.base, ldv_list_add_~new.offset, ldv_list_add_~head.base, ldv_list_add_~head.offset;ldv_list_add_~new.base, ldv_list_add_~new.offset := ldv_list_add_#in~new.base, ldv_list_add_#in~new.offset;ldv_list_add_~head.base, ldv_list_add_~head.offset := ldv_list_add_#in~head.base, ldv_list_add_#in~head.offset;call ldv_list_add_#t~mem6.base, ldv_list_add_#t~mem6.offset := read~$Pointer$(ldv_list_add_~head.base, ldv_list_add_~head.offset, 4);__ldv_list_add_#in~new.base, __ldv_list_add_#in~new.offset, __ldv_list_add_#in~prev.base, __ldv_list_add_#in~prev.offset, __ldv_list_add_#in~next.base, __ldv_list_add_#in~next.offset := ldv_list_add_~new.base, ldv_list_add_~new.offset, ldv_list_add_~head.base, ldv_list_add_~head.offset, ldv_list_add_#t~mem6.base, ldv_list_add_#t~mem6.offset;havoc __ldv_list_add_~new.base, __ldv_list_add_~new.offset, __ldv_list_add_~prev.base, __ldv_list_add_~prev.offset, __ldv_list_add_~next.base, __ldv_list_add_~next.offset;__ldv_list_add_~new.base, __ldv_list_add_~new.offset := __ldv_list_add_#in~new.base, __ldv_list_add_#in~new.offset;__ldv_list_add_~prev.base, __ldv_list_add_~prev.offset := __ldv_list_add_#in~prev.base, __ldv_list_add_#in~prev.offset;__ldv_list_add_~next.base, __ldv_list_add_~next.offset := __ldv_list_add_#in~next.base, __ldv_list_add_#in~next.offset;call write~$Pointer$(__ldv_list_add_~new.base, __ldv_list_add_~new.offset, __ldv_list_add_~next.base, 4 + __ldv_list_add_~next.offset, 4);call write~$Pointer$(__ldv_list_add_~next.base, __ldv_list_add_~next.offset, __ldv_list_add_~new.base, __ldv_list_add_~new.offset, 4);call write~$Pointer$(__ldv_list_add_~prev.base, __ldv_list_add_~prev.offset, __ldv_list_add_~new.base, 4 + __ldv_list_add_~new.offset, 4);call write~$Pointer$(__ldv_list_add_~new.base, __ldv_list_add_~new.offset, __ldv_list_add_~prev.base, __ldv_list_add_~prev.offset, 4); 74#L576 havoc ldv_list_add_#t~mem6.base, ldv_list_add_#t~mem6.offset; 73#L619 ldv_is_in_set_#in~e, ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset := foo_~j~0, ~#s1~0.base, ~#s1~0.offset;havoc ldv_is_in_set_#res;havoc ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset, ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset, ldv_is_in_set_#t~mem25, ldv_is_in_set_#t~mem24.base, ldv_is_in_set_#t~mem24.offset, ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset, ldv_is_in_set_~e, ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;ldv_is_in_set_~e := ldv_is_in_set_#in~e;ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset := ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset;havoc ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;call ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset := read~$Pointer$(ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, 4);ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset := ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;havoc ldv_is_in_set_#t~mem23.base, ldv_is_in_set_#t~mem23.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset - 4; 69#L639-8 [2018-11-28 13:32:10,740 INFO L796 eck$LassoCheckResult]: Loop: 69#L639-8 assume !!(ldv_is_in_set_~m~1.base != ldv_is_in_set_~s.base || 4 + ldv_is_in_set_~m~1.offset != ldv_is_in_set_~s.offset);call ldv_is_in_set_#t~mem25 := read~int(ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset, 4); 70#L640-1 assume !(ldv_is_in_set_#t~mem25 == ldv_is_in_set_~e);havoc ldv_is_in_set_#t~mem25; 68#L639-7 call ldv_is_in_set_#t~mem24.base, ldv_is_in_set_#t~mem24.offset := read~$Pointer$(ldv_is_in_set_~m~1.base, 4 + ldv_is_in_set_~m~1.offset, 4);ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset := ldv_is_in_set_#t~mem24.base, ldv_is_in_set_#t~mem24.offset;havoc ldv_is_in_set_#t~mem24.base, ldv_is_in_set_#t~mem24.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset - 4; 69#L639-8 [2018-11-28 13:32:10,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:10,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1872509682, now seen corresponding path program 1 times [2018-11-28 13:32:10,741 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:10,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:10,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:10,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:10,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:32:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:32:10,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:10,816 INFO L82 PathProgramCache]: Analyzing trace with hash 72652, now seen corresponding path program 1 times [2018-11-28 13:32:10,817 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:10,817 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:10,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:10,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:10,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:32:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:32:10,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:10,827 INFO L82 PathProgramCache]: Analyzing trace with hash -900653153, now seen corresponding path program 1 times [2018-11-28 13:32:10,827 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:10,827 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:10,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:10,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:10,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:11,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:32:11,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:32:11,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:32:11,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 13:32:11,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:32:11,142 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. cyclomatic complexity: 1 Second operand 8 states. [2018-11-28 13:32:11,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:11,244 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2018-11-28 13:32:11,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:32:11,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 10 transitions. [2018-11-28 13:32:11,245 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 13:32:11,245 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2018-11-28 13:32:11,245 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 13:32:11,245 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 13:32:11,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 13:32:11,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 13:32:11,246 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:32:11,246 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:32:11,246 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:32:11,246 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 13:32:11,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:32:11,246 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 13:32:11,246 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 13:32:11,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 01:32:11 BoogieIcfgContainer [2018-11-28 13:32:11,250 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 13:32:11,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:32:11,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:32:11,250 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:32:11,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:32:10" (3/4) ... [2018-11-28 13:32:11,253 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 13:32:11,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:32:11,253 INFO L168 Benchmark]: Toolchain (without parser) took 1773.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 949.6 MB in the beginning and 963.2 MB in the end (delta: -13.7 MB). Peak memory consumption was 125.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:32:11,254 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:32:11,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:32:11,255 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:32:11,255 INFO L168 Benchmark]: Boogie Preprocessor took 24.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:32:11,256 INFO L168 Benchmark]: RCFGBuilder took 299.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:32:11,256 INFO L168 Benchmark]: BuchiAutomizer took 1022.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.6 MB in the end (delta: 115.3 MB). Peak memory consumption was 115.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:32:11,256 INFO L168 Benchmark]: Witness Printer took 2.70 ms. Allocated memory is still 1.2 GB. Free memory is still 963.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:32:11,259 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 381.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 299.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1022.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.6 MB in the end (delta: 115.3 MB). Peak memory consumption was 115.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.70 ms. Allocated memory is still 1.2 GB. Free memory is still 963.2 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic). 2 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 21 SDtfs, 33 SDslu, 37 SDs, 0 SdLazy, 37 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: 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...