./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/list-ext-properties/test-0158_1_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/list-ext-properties/test-0158_1_false-valid-memtrack_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 724adc6a4f2ec76770ad6e25afc3fbe94cdc2656 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/list-ext-properties/test-0158_1_false-valid-memtrack_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 724adc6a4f2ec76770ad6e25afc3fbe94cdc2656 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-13 22:41:54,213 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 22:41:54,215 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 22:41:54,226 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 22:41:54,227 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 22:41:54,228 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 22:41:54,229 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 22:41:54,231 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 22:41:54,233 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 22:41:54,234 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 22:41:54,234 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 22:41:54,235 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 22:41:54,236 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 22:41:54,237 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 22:41:54,238 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 22:41:54,239 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 22:41:54,240 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 22:41:54,242 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 22:41:54,244 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 22:41:54,246 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 22:41:54,247 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 22:41:54,248 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 22:41:54,251 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 22:41:54,251 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 22:41:54,251 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 22:41:54,253 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 22:41:54,254 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 22:41:54,255 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 22:41:54,255 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 22:41:54,256 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 22:41:54,257 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 22:41:54,258 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 22:41:54,258 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 22:41:54,258 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 22:41:54,259 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 22:41:54,260 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 22:41:54,260 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-13 22:41:54,275 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 22:41:54,275 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 22:41:54,277 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 22:41:54,277 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 22:41:54,277 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 22:41:54,278 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 22:41:54,278 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 22:41:54,278 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 22:41:54,278 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 22:41:54,278 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 22:41:54,278 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 22:41:54,279 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 22:41:54,279 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 22:41:54,279 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 22:41:54,279 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 22:41:54,279 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 22:41:54,279 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 22:41:54,281 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 22:41:54,281 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 22:41:54,281 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 22:41:54,282 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 22:41:54,282 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 22:41:54,282 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 22:41:54,282 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 22:41:54,282 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 22:41:54,283 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 22:41:54,284 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 724adc6a4f2ec76770ad6e25afc3fbe94cdc2656 [2019-01-13 22:41:54,320 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 22:41:54,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 22:41:54,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 22:41:54,343 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 22:41:54,344 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 22:41:54,345 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/list-ext-properties/test-0158_1_false-valid-memtrack_true-termination.i [2019-01-13 22:41:54,407 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c47556d5c/4659edda57e746398d5be04132bb4063/FLAG3493677a1 [2019-01-13 22:41:54,845 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 22:41:54,846 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/list-ext-properties/test-0158_1_false-valid-memtrack_true-termination.i [2019-01-13 22:41:54,861 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c47556d5c/4659edda57e746398d5be04132bb4063/FLAG3493677a1 [2019-01-13 22:41:55,187 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c47556d5c/4659edda57e746398d5be04132bb4063 [2019-01-13 22:41:55,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 22:41:55,192 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 22:41:55,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 22:41:55,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 22:41:55,197 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 22:41:55,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 10:41:55" (1/1) ... [2019-01-13 22:41:55,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a1fc48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:41:55, skipping insertion in model container [2019-01-13 22:41:55,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 10:41:55" (1/1) ... [2019-01-13 22:41:55,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 22:41:55,264 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 22:41:55,620 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 22:41:55,626 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 22:41:55,669 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 22:41:55,808 INFO L195 MainTranslator]: Completed translation [2019-01-13 22:41:55,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:41:55 WrapperNode [2019-01-13 22:41:55,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 22:41:55,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 22:41:55,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 22:41:55,811 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 22:41:55,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:41:55" (1/1) ... [2019-01-13 22:41:55,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:41:55" (1/1) ... [2019-01-13 22:41:55,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:41:55" (1/1) ... [2019-01-13 22:41:55,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:41:55" (1/1) ... [2019-01-13 22:41:55,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:41:55" (1/1) ... [2019-01-13 22:41:55,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:41:55" (1/1) ... [2019-01-13 22:41:55,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:41:55" (1/1) ... [2019-01-13 22:41:55,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 22:41:55,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 22:41:55,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 22:41:55,888 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 22:41:55,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:41:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 22:41:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 22:41:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 22:41:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 22:41:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-01-13 22:41:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 22:41:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 22:41:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 22:41:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 22:41:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 22:41:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 22:41:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 22:41:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 22:41:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 22:41:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 22:41:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 22:41:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 22:41:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 22:41:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 22:41:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 22:41:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 22:41:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 22:41:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 22:41:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 22:41:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 22:41:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 22:41:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 22:41:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 22:41:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 22:41:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 22:41:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 22:41:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 22:41:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 22:41:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 22:41:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 22:41:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 22:41:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 22:41:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 22:41:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 22:41:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 22:41:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 22:41:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 22:41:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 22:41:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 22:41:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 22:41:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 22:41:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 22:41:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 22:41:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 22:41:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 22:41:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 22:41:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 22:41:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 22:41:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 22:41:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 22:41:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 22:41:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 22:41:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 22:41:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 22:41:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 22:41:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 22:41:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 22:41:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 22:41:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 22:41:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 22:41:55,953 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 22:41:55,953 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 22:41:55,953 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 22:41:55,953 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 22:41:55,953 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-01-13 22:41:55,954 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 22:41:55,954 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 22:41:55,954 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 22:41:55,954 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 22:41:55,954 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 22:41:55,954 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 22:41:55,954 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 22:41:55,955 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 22:41:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 22:41:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 22:41:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 22:41:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 22:41:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 22:41:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 22:41:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 22:41:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 22:41:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 22:41:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 22:41:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 22:41:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 22:41:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 22:41:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 22:41:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 22:41:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 22:41:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 22:41:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 22:41:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 22:41:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 22:41:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 22:41:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 22:41:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 22:41:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 22:41:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 22:41:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 22:41:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 22:41:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 22:41:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 22:41:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 22:41:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 22:41:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 22:41:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 22:41:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-13 22:41:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-13 22:41:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 22:41:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 22:41:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 22:41:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 22:41:56,576 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 22:41:56,577 INFO L286 CfgBuilder]: Removed 0 assue(true) statements. [2019-01-13 22:41:56,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 10:41:56 BoogieIcfgContainer [2019-01-13 22:41:56,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 22:41:56,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 22:41:56,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 22:41:56,583 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 22:41:56,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 10:41:55" (1/3) ... [2019-01-13 22:41:56,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca69db8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 10:41:56, skipping insertion in model container [2019-01-13 22:41:56,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:41:55" (2/3) ... [2019-01-13 22:41:56,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca69db8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 10:41:56, skipping insertion in model container [2019-01-13 22:41:56,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 10:41:56" (3/3) ... [2019-01-13 22:41:56,586 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0158_1_false-valid-memtrack_true-termination.i [2019-01-13 22:41:56,595 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 22:41:56,603 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2019-01-13 22:41:56,620 INFO L257 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-01-13 22:41:56,646 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 22:41:56,646 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 22:41:56,647 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 22:41:56,647 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 22:41:56,647 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 22:41:56,647 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 22:41:56,647 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 22:41:56,647 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 22:41:56,648 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 22:41:56,662 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-01-13 22:41:56,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-13 22:41:56,673 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:41:56,674 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:41:56,676 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION]=== [2019-01-13 22:41:56,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:41:56,681 INFO L82 PathProgramCache]: Analyzing trace with hash 222801288, now seen corresponding path program 1 times [2019-01-13 22:41:56,682 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 22:41:56,683 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 22:41:56,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 22:41:56,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:41:56,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 22:41:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:41:56,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:41:56,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:41:56,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-13 22:41:56,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-13 22:41:56,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-13 22:41:56,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 22:41:56,872 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 3 states. [2019-01-13 22:41:56,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:41:56,997 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2019-01-13 22:41:56,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-13 22:41:56,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-13 22:41:56,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:41:57,010 INFO L225 Difference]: With dead ends: 25 [2019-01-13 22:41:57,010 INFO L226 Difference]: Without dead ends: 22 [2019-01-13 22:41:57,012 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 22:41:57,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-01-13 22:41:57,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-01-13 22:41:57,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-01-13 22:41:57,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2019-01-13 22:41:57,050 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 7 [2019-01-13 22:41:57,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:41:57,051 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2019-01-13 22:41:57,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-13 22:41:57,051 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2019-01-13 22:41:57,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-13 22:41:57,051 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:41:57,052 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:41:57,052 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION]=== [2019-01-13 22:41:57,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:41:57,052 INFO L82 PathProgramCache]: Analyzing trace with hash 222801289, now seen corresponding path program 1 times [2019-01-13 22:41:57,052 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 22:41:57,053 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 22:41:57,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 22:41:57,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:41:57,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 22:41:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:41:57,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:41:57,110 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:41:57,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-13 22:41:57,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-13 22:41:57,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-13 22:41:57,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 22:41:57,113 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 3 states. [2019-01-13 22:41:57,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:41:57,200 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2019-01-13 22:41:57,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-13 22:41:57,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-13 22:41:57,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:41:57,202 INFO L225 Difference]: With dead ends: 17 [2019-01-13 22:41:57,202 INFO L226 Difference]: Without dead ends: 17 [2019-01-13 22:41:57,203 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 22:41:57,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-01-13 22:41:57,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-01-13 22:41:57,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-13 22:41:57,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2019-01-13 22:41:57,206 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 7 [2019-01-13 22:41:57,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:41:57,207 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2019-01-13 22:41:57,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-13 22:41:57,207 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-01-13 22:41:57,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-13 22:41:57,208 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:41:57,208 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:41:57,208 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr1REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION]=== [2019-01-13 22:41:57,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:41:57,209 INFO L82 PathProgramCache]: Analyzing trace with hash 88169612, now seen corresponding path program 1 times [2019-01-13 22:41:57,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 22:41:57,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 22:41:57,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 22:41:57,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:41:57,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 22:41:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:41:57,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:41:57,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:41:57,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 22:41:57,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 22:41:57,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 22:41:57,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 22:41:57,301 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 4 states. [2019-01-13 22:41:57,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:41:57,365 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2019-01-13 22:41:57,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-13 22:41:57,366 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-01-13 22:41:57,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:41:57,367 INFO L225 Difference]: With dead ends: 21 [2019-01-13 22:41:57,367 INFO L226 Difference]: Without dead ends: 21 [2019-01-13 22:41:57,367 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-13 22:41:57,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-01-13 22:41:57,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2019-01-13 22:41:57,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-01-13 22:41:57,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2019-01-13 22:41:57,371 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 14 [2019-01-13 22:41:57,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:41:57,371 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2019-01-13 22:41:57,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 22:41:57,371 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-01-13 22:41:57,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-13 22:41:57,372 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:41:57,372 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:41:57,373 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr1REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION]=== [2019-01-13 22:41:57,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:41:57,373 INFO L82 PathProgramCache]: Analyzing trace with hash 235932972, now seen corresponding path program 1 times [2019-01-13 22:41:57,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 22:41:57,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 22:41:57,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 22:41:57,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:41:57,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 22:41:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 22:41:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 22:41:57,442 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 22:41:57,460 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-13 22:41:57,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 10:41:57 BoogieIcfgContainer [2019-01-13 22:41:57,475 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 22:41:57,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 22:41:57,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 22:41:57,476 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 22:41:57,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 10:41:56" (3/4) ... [2019-01-13 22:41:57,490 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-13 22:41:57,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 22:41:57,491 INFO L168 Benchmark]: Toolchain (without parser) took 2300.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -95.3 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. [2019-01-13 22:41:57,494 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 22:41:57,496 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2019-01-13 22:41:57,498 INFO L168 Benchmark]: Boogie Preprocessor took 76.75 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-01-13 22:41:57,500 INFO L168 Benchmark]: RCFGBuilder took 691.29 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: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2019-01-13 22:41:57,501 INFO L168 Benchmark]: TraceAbstraction took 895.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. [2019-01-13 22:41:57,502 INFO L168 Benchmark]: Witness Printer took 15.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 22:41:57,520 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 616.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.75 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 691.29 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: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 895.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. * Witness Printer took 15.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 620]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 620. Possible FailurePath: [L622-L629] union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L630] data.p0 = malloc(37U) VAL [data={1:0}, malloc(37U)={3:0}] [L631] COND FALSE !(__VERIFIER_nondet_int()) [L634] data.str.p2 = 30 VAL [data={1:0}, malloc(37U)={3:0}] [L636] EXPR data.str.p2 VAL [data={1:0}, data.str.p2=30, malloc(37U)={3:0}] [L636] COND FALSE !(25 > data.str.p2) [L639] return 0; [L639] return 0; VAL [\result=0, malloc(37U)={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 30 locations, 11 error locations. UNSAFE Result, 0.8s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 42 SDtfs, 26 SDslu, 37 SDs, 0 SdLazy, 38 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 443 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-13 22:41:59,794 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 22:41:59,796 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 22:41:59,807 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 22:41:59,808 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 22:41:59,809 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 22:41:59,810 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 22:41:59,811 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 22:41:59,813 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 22:41:59,814 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 22:41:59,815 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 22:41:59,815 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 22:41:59,816 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 22:41:59,817 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 22:41:59,818 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 22:41:59,819 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 22:41:59,820 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 22:41:59,821 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 22:41:59,823 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 22:41:59,825 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 22:41:59,826 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 22:41:59,827 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 22:41:59,830 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 22:41:59,830 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 22:41:59,830 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 22:41:59,831 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 22:41:59,832 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 22:41:59,833 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 22:41:59,834 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 22:41:59,835 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 22:41:59,835 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 22:41:59,836 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 22:41:59,836 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 22:41:59,836 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 22:41:59,837 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 22:41:59,838 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 22:41:59,838 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-13 22:41:59,858 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 22:41:59,858 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 22:41:59,859 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 22:41:59,859 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 22:41:59,859 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 22:41:59,860 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 22:41:59,860 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 22:41:59,861 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 22:41:59,861 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 22:41:59,861 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 22:41:59,861 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 22:41:59,861 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 22:41:59,861 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 22:41:59,862 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 22:41:59,862 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 22:41:59,862 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-13 22:41:59,862 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-13 22:41:59,862 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 22:41:59,862 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 22:41:59,863 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 22:41:59,864 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 22:41:59,864 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 22:41:59,864 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 22:41:59,865 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 22:41:59,865 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 22:41:59,865 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 22:41:59,865 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-13 22:41:59,865 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 22:41:59,865 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-13 22:41:59,866 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 724adc6a4f2ec76770ad6e25afc3fbe94cdc2656 [2019-01-13 22:41:59,901 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 22:41:59,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 22:41:59,922 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 22:41:59,924 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 22:41:59,924 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 22:41:59,925 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/list-ext-properties/test-0158_1_false-valid-memtrack_true-termination.i [2019-01-13 22:41:59,988 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a96d540f7/2e2e1b5e066740b7a6bf4a593e753fc7/FLAG0675ed0b0 [2019-01-13 22:42:00,426 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 22:42:00,427 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/list-ext-properties/test-0158_1_false-valid-memtrack_true-termination.i [2019-01-13 22:42:00,439 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a96d540f7/2e2e1b5e066740b7a6bf4a593e753fc7/FLAG0675ed0b0 [2019-01-13 22:42:00,736 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a96d540f7/2e2e1b5e066740b7a6bf4a593e753fc7 [2019-01-13 22:42:00,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 22:42:00,740 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 22:42:00,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 22:42:00,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 22:42:00,750 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 22:42:00,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 10:42:00" (1/1) ... [2019-01-13 22:42:00,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9046da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:42:00, skipping insertion in model container [2019-01-13 22:42:00,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 10:42:00" (1/1) ... [2019-01-13 22:42:00,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 22:42:00,808 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 22:42:01,095 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 22:42:01,105 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 22:42:01,163 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 22:42:01,298 INFO L195 MainTranslator]: Completed translation [2019-01-13 22:42:01,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:42:01 WrapperNode [2019-01-13 22:42:01,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 22:42:01,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 22:42:01,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 22:42:01,299 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 22:42:01,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:42:01" (1/1) ... [2019-01-13 22:42:01,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:42:01" (1/1) ... [2019-01-13 22:42:01,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:42:01" (1/1) ... [2019-01-13 22:42:01,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:42:01" (1/1) ... [2019-01-13 22:42:01,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:42:01" (1/1) ... [2019-01-13 22:42:01,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:42:01" (1/1) ... [2019-01-13 22:42:01,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:42:01" (1/1) ... [2019-01-13 22:42:01,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 22:42:01,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 22:42:01,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 22:42:01,377 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 22:42:01,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:42:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 22:42:01,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 22:42:01,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 22:42:01,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 22:42:01,447 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 22:42:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-01-13 22:42:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 22:42:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 22:42:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 22:42:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 22:42:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 22:42:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 22:42:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 22:42:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 22:42:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 22:42:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 22:42:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 22:42:01,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 22:42:01,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 22:42:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 22:42:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 22:42:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 22:42:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 22:42:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 22:42:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 22:42:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 22:42:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 22:42:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 22:42:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 22:42:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 22:42:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 22:42:01,453 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 22:42:01,453 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 22:42:01,453 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 22:42:01,453 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 22:42:01,453 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 22:42:01,453 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 22:42:01,453 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 22:42:01,453 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 22:42:01,454 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 22:42:01,454 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 22:42:01,454 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 22:42:01,454 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 22:42:01,454 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 22:42:01,454 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 22:42:01,454 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 22:42:01,454 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 22:42:01,455 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 22:42:01,455 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 22:42:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 22:42:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 22:42:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 22:42:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 22:42:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 22:42:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 22:42:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 22:42:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 22:42:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 22:42:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 22:42:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 22:42:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 22:42:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 22:42:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 22:42:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 22:42:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 22:42:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 22:42:01,459 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 22:42:01,459 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 22:42:01,459 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 22:42:01,459 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 22:42:01,459 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-01-13 22:42:01,459 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 22:42:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 22:42:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 22:42:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 22:42:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 22:42:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 22:42:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 22:42:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 22:42:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 22:42:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 22:42:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 22:42:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 22:42:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 22:42:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 22:42:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 22:42:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 22:42:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 22:42:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 22:42:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 22:42:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 22:42:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 22:42:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 22:42:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 22:42:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 22:42:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 22:42:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 22:42:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 22:42:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 22:42:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 22:42:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 22:42:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 22:42:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 22:42:01,465 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 22:42:01,465 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 22:42:01,465 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 22:42:01,465 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 22:42:01,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 22:42:01,465 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 22:42:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 22:42:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 22:42:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 22:42:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-13 22:42:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-13 22:42:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-01-13 22:42:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 22:42:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 22:42:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 22:42:01,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 22:42:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-01-13 22:42:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 22:42:02,116 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 22:42:02,116 INFO L286 CfgBuilder]: Removed 0 assue(true) statements. [2019-01-13 22:42:02,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 10:42:02 BoogieIcfgContainer [2019-01-13 22:42:02,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 22:42:02,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 22:42:02,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 22:42:02,121 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 22:42:02,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 10:42:00" (1/3) ... [2019-01-13 22:42:02,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac62911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 10:42:02, skipping insertion in model container [2019-01-13 22:42:02,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:42:01" (2/3) ... [2019-01-13 22:42:02,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac62911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 10:42:02, skipping insertion in model container [2019-01-13 22:42:02,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 10:42:02" (3/3) ... [2019-01-13 22:42:02,125 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0158_1_false-valid-memtrack_true-termination.i [2019-01-13 22:42:02,132 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 22:42:02,139 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2019-01-13 22:42:02,153 INFO L257 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-01-13 22:42:02,179 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 22:42:02,180 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 22:42:02,180 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 22:42:02,180 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 22:42:02,181 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 22:42:02,181 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 22:42:02,182 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 22:42:02,182 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 22:42:02,182 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 22:42:02,201 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-01-13 22:42:02,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-13 22:42:02,211 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:42:02,212 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:42:02,215 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION]=== [2019-01-13 22:42:02,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:42:02,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1459909518, now seen corresponding path program 1 times [2019-01-13 22:42:02,224 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:42:02,224 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:42:02,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:42:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:42:02,297 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 22:42:02,405 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 22:42:02,410 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 27 [2019-01-13 22:42:02,418 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2019-01-13 22:42:02,419 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 22:42:02,442 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 22:42:02,466 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 22:42:02,467 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-01-13 22:42:02,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:42:02,502 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 22:42:02,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:42:02,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-13 22:42:02,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-13 22:42:02,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-13 22:42:02,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 22:42:02,537 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 3 states. [2019-01-13 22:42:02,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:42:02,684 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2019-01-13 22:42:02,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-13 22:42:02,687 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-13 22:42:02,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:42:02,696 INFO L225 Difference]: With dead ends: 24 [2019-01-13 22:42:02,696 INFO L226 Difference]: Without dead ends: 21 [2019-01-13 22:42:02,698 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 22:42:02,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-01-13 22:42:02,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-01-13 22:42:02,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-13 22:42:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-01-13 22:42:02,728 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 7 [2019-01-13 22:42:02,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:42:02,729 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-01-13 22:42:02,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-13 22:42:02,729 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-01-13 22:42:02,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-13 22:42:02,730 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:42:02,730 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:42:02,730 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION]=== [2019-01-13 22:42:02,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:42:02,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1459909519, now seen corresponding path program 1 times [2019-01-13 22:42:02,731 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:42:02,731 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:42:02,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:42:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:42:02,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 22:42:02,922 WARN L181 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-01-13 22:42:02,939 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-13 22:42:02,957 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 22:42:02,958 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2019-01-13 22:42:02,959 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 22:42:02,984 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 22:42:03,147 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2019-01-13 22:42:03,147 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-13 22:42:03,246 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-13 22:42:03,247 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:21, output treesize:14 [2019-01-13 22:42:03,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:42:03,321 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 22:42:03,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:42:03,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-13 22:42:03,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-13 22:42:03,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-13 22:42:03,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 22:42:03,329 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 3 states. [2019-01-13 22:42:03,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:42:03,489 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-01-13 22:42:03,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-13 22:42:03,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-13 22:42:03,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:42:03,492 INFO L225 Difference]: With dead ends: 16 [2019-01-13 22:42:03,492 INFO L226 Difference]: Without dead ends: 16 [2019-01-13 22:42:03,494 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 22:42:03,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-01-13 22:42:03,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-01-13 22:42:03,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-01-13 22:42:03,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2019-01-13 22:42:03,499 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 7 [2019-01-13 22:42:03,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:42:03,500 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2019-01-13 22:42:03,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-13 22:42:03,501 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-01-13 22:42:03,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-13 22:42:03,501 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:42:03,501 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:42:03,502 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION]=== [2019-01-13 22:42:03,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:42:03,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1228565222, now seen corresponding path program 1 times [2019-01-13 22:42:03,503 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 22:42:03,503 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 22:42:03,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:42:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 22:42:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 22:42:03,704 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 22:42:03,719 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-13 22:42:03,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 10:42:03 BoogieIcfgContainer [2019-01-13 22:42:03,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 22:42:03,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 22:42:03,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 22:42:03,743 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 22:42:03,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 10:42:02" (3/4) ... [2019-01-13 22:42:03,749 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-13 22:42:03,751 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 22:42:03,755 INFO L168 Benchmark]: Toolchain (without parser) took 3015.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -83.3 MB). Peak memory consumption was 77.7 MB. Max. memory is 11.5 GB. [2019-01-13 22:42:03,758 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 22:42:03,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -214.6 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. [2019-01-13 22:42:03,762 INFO L168 Benchmark]: Boogie Preprocessor took 77.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2019-01-13 22:42:03,763 INFO L168 Benchmark]: RCFGBuilder took 740.35 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: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. [2019-01-13 22:42:03,764 INFO L168 Benchmark]: TraceAbstraction took 1624.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.0 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. [2019-01-13 22:42:03,766 INFO L168 Benchmark]: Witness Printer took 11.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 22:42:03,774 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 556.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -214.6 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 740.35 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: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1624.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.0 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. * Witness Printer took 11.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 620]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 620. Possible FailurePath: [L622-L629] union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L630] data.p0 = malloc(37U) VAL [data={-1071644672:0}, malloc(37U)={2097152:0}] [L631] COND FALSE !(__VERIFIER_nondet_int()) [L634] data.str.p2 = 30 VAL [data={-1071644672:0}, malloc(37U)={2097152:0}] [L636] EXPR data.str.p2 VAL [data={-1071644672:0}, data.str.p2=30, malloc(37U)={2097152:0}] [L636] COND FALSE !(25 > data.str.p2) [L639] return 0; [L639] return 0; VAL [\result=0, malloc(37U)={2097152:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 32 locations, 11 error locations. UNSAFE Result, 1.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 25 SDtfs, 23 SDslu, 12 SDs, 0 SdLazy, 22 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 2 QuantifiedInterpolants, 288 SizeOfPredicates, 2 NumberOfNonLiveVariables, 78 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...