./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 2e94e6aa 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 0.1.24-2e94e6a [2019-01-01 17:58:50,903 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 17:58:50,905 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 17:58:50,922 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 17:58:50,923 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 17:58:50,925 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 17:58:50,930 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 17:58:50,932 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 17:58:50,934 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 17:58:50,938 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 17:58:50,940 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 17:58:50,941 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 17:58:50,942 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 17:58:50,943 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 17:58:50,944 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 17:58:50,947 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 17:58:50,949 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 17:58:50,957 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 17:58:50,960 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 17:58:50,965 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 17:58:50,967 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 17:58:50,971 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 17:58:50,973 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 17:58:50,978 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 17:58:50,978 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 17:58:50,979 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 17:58:50,980 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 17:58:50,984 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 17:58:50,985 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 17:58:50,986 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 17:58:50,986 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 17:58:50,989 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 17:58:50,989 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 17:58:50,989 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 17:58:50,990 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 17:58:50,992 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 17:58:50,994 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-01 17:58:51,009 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 17:58:51,009 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 17:58:51,010 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 17:58:51,011 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 17:58:51,011 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 17:58:51,011 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 17:58:51,011 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 17:58:51,011 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 17:58:51,012 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 17:58:51,012 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 17:58:51,012 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 17:58:51,012 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 17:58:51,012 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 17:58:51,012 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 17:58:51,013 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 17:58:51,013 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 17:58:51,013 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 17:58:51,013 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 17:58:51,013 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 17:58:51,013 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 17:58:51,015 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 17:58:51,016 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 17:58:51,016 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 17:58:51,016 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 17:58:51,016 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 17:58:51,016 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 17:58:51,017 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 [2019-01-01 17:58:51,054 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 17:58:51,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 17:58:51,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 17:58:51,072 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 17:58:51,073 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 17:58:51,074 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/list-ext-properties/test-0158_1_false-valid-memtrack_true-termination.i [2019-01-01 17:58:51,135 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85e76d400/70a8120efbf8465f9f250deb69a47fc2/FLAGd14b51bcb [2019-01-01 17:58:51,628 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 17:58:51,629 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/list-ext-properties/test-0158_1_false-valid-memtrack_true-termination.i [2019-01-01 17:58:51,646 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85e76d400/70a8120efbf8465f9f250deb69a47fc2/FLAGd14b51bcb [2019-01-01 17:58:51,949 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85e76d400/70a8120efbf8465f9f250deb69a47fc2 [2019-01-01 17:58:51,953 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 17:58:51,956 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 17:58:51,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 17:58:51,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 17:58:51,964 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 17:58:51,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:58:51" (1/1) ... [2019-01-01 17:58:51,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b9a85fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:51, skipping insertion in model container [2019-01-01 17:58:51,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:58:51" (1/1) ... [2019-01-01 17:58:51,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 17:58:52,027 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 17:58:52,352 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:58:52,360 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 17:58:52,417 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:58:52,474 INFO L195 MainTranslator]: Completed translation [2019-01-01 17:58:52,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:52 WrapperNode [2019-01-01 17:58:52,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 17:58:52,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 17:58:52,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 17:58:52,476 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 17:58:52,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:52" (1/1) ... [2019-01-01 17:58:52,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:52" (1/1) ... [2019-01-01 17:58:52,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:52" (1/1) ... [2019-01-01 17:58:52,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:52" (1/1) ... [2019-01-01 17:58:52,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:52" (1/1) ... [2019-01-01 17:58:52,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:52" (1/1) ... [2019-01-01 17:58:52,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:52" (1/1) ... [2019-01-01 17:58:52,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 17:58:52,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 17:58:52,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 17:58:52,625 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 17:58:52,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:52" (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 [2019-01-01 17:58:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 17:58:52,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 17:58:52,690 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 17:58:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-01-01 17:58:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 17:58:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 17:58:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 17:58:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 17:58:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 17:58:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 17:58:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 17:58:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 17:58:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 17:58:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 17:58:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 17:58:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 17:58:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 17:58:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 17:58:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 17:58:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 17:58:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 17:58:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 17:58:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 17:58:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 17:58:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 17:58:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 17:58:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 17:58:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 17:58:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 17:58:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 17:58:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 17:58:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 17:58:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 17:58:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 17:58:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 17:58:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 17:58:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 17:58:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 17:58:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 17:58:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 17:58:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 17:58:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 17:58:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 17:58:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 17:58:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 17:58:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 17:58:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 17:58:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 17:58:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 17:58:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 17:58:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 17:58:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 17:58:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 17:58:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 17:58:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 17:58:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 17:58:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 17:58:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 17:58:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 17:58:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 17:58:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 17:58:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 17:58:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 17:58:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 17:58:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 17:58:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 17:58:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 17:58:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 17:58:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-01-01 17:58:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 17:58:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 17:58:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 17:58:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 17:58:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 17:58:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 17:58:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 17:58:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 17:58:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 17:58:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 17:58:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 17:58:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 17:58:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 17:58:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 17:58:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 17:58:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 17:58:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 17:58:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 17:58:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 17:58:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 17:58:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 17:58:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 17:58:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 17:58:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 17:58:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 17:58:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 17:58:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 17:58:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 17:58:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 17:58:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 17:58:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 17:58:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 17:58:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 17:58:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 17:58:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 17:58:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 17:58:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 17:58:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 17:58:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 17:58:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 17:58:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 17:58:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 17:58:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-01 17:58:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 17:58:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 17:58:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 17:58:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 17:58:53,363 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 17:58:53,364 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2019-01-01 17:58:53,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:58:53 BoogieIcfgContainer [2019-01-01 17:58:53,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 17:58:53,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 17:58:53,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 17:58:53,369 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 17:58:53,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 05:58:51" (1/3) ... [2019-01-01 17:58:53,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c6df95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:58:53, skipping insertion in model container [2019-01-01 17:58:53,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:52" (2/3) ... [2019-01-01 17:58:53,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c6df95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:58:53, skipping insertion in model container [2019-01-01 17:58:53,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:58:53" (3/3) ... [2019-01-01 17:58:53,372 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0158_1_false-valid-memtrack_true-termination.i [2019-01-01 17:58:53,381 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 17:58:53,389 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2019-01-01 17:58:53,404 INFO L257 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-01-01 17:58:53,430 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 17:58:53,431 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 17:58:53,431 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 17:58:53,431 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 17:58:53,431 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 17:58:53,432 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 17:58:53,432 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 17:58:53,432 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 17:58:53,432 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 17:58:53,448 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-01-01 17:58:53,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-01 17:58:53,459 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:58:53,460 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:58:53,462 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr9REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION]=== [2019-01-01 17:58:53,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:58:53,473 INFO L82 PathProgramCache]: Analyzing trace with hash 222801288, now seen corresponding path program 1 times [2019-01-01 17:58:53,475 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:58:53,475 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:58:53,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:58:53,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:58:53,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:58:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:58:53,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:58:53,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:58:53,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 17:58:53,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 17:58:53,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 17:58:53,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:58:53,683 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 3 states. [2019-01-01 17:58:53,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:58:53,964 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2019-01-01 17:58:53,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 17:58:53,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-01 17:58:53,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:58:53,977 INFO L225 Difference]: With dead ends: 25 [2019-01-01 17:58:53,977 INFO L226 Difference]: Without dead ends: 22 [2019-01-01 17:58:53,979 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 [2019-01-01 17:58:54,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-01-01 17:58:54,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-01-01 17:58:54,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-01-01 17:58:54,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2019-01-01 17:58:54,021 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 7 [2019-01-01 17:58:54,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:58:54,021 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2019-01-01 17:58:54,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 17:58:54,021 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2019-01-01 17:58:54,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-01 17:58:54,022 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:58:54,022 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:58:54,022 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr9REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION]=== [2019-01-01 17:58:54,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:58:54,023 INFO L82 PathProgramCache]: Analyzing trace with hash 222801289, now seen corresponding path program 1 times [2019-01-01 17:58:54,023 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:58:54,023 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:58:54,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:58:54,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:58:54,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:58:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:58:54,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:58:54,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:58:54,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 17:58:54,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 17:58:54,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 17:58:54,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:58:54,126 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 3 states. [2019-01-01 17:58:54,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:58:54,248 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2019-01-01 17:58:54,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 17:58:54,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-01 17:58:54,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:58:54,250 INFO L225 Difference]: With dead ends: 17 [2019-01-01 17:58:54,251 INFO L226 Difference]: Without dead ends: 17 [2019-01-01 17:58:54,252 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 [2019-01-01 17:58:54,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-01-01 17:58:54,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-01-01 17:58:54,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-01 17:58:54,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2019-01-01 17:58:54,256 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 7 [2019-01-01 17:58:54,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:58:54,257 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2019-01-01 17:58:54,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 17:58:54,258 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-01-01 17:58:54,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-01 17:58:54,258 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:58:54,259 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:58:54,259 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr9REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION]=== [2019-01-01 17:58:54,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:58:54,259 INFO L82 PathProgramCache]: Analyzing trace with hash 88169612, now seen corresponding path program 1 times [2019-01-01 17:58:54,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:58:54,261 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:58:54,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:58:54,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:58:54,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:58:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:58:54,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:58:54,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:58:54,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 17:58:54,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 17:58:54,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 17:58:54,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 17:58:54,372 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 4 states. [2019-01-01 17:58:54,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:58:54,466 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2019-01-01 17:58:54,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-01 17:58:54,466 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-01-01 17:58:54,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:58:54,467 INFO L225 Difference]: With dead ends: 21 [2019-01-01 17:58:54,468 INFO L226 Difference]: Without dead ends: 21 [2019-01-01 17:58:54,468 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 [2019-01-01 17:58:54,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-01-01 17:58:54,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2019-01-01 17:58:54,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-01-01 17:58:54,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2019-01-01 17:58:54,473 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 14 [2019-01-01 17:58:54,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:58:54,473 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2019-01-01 17:58:54,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 17:58:54,474 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-01-01 17:58:54,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-01 17:58:54,474 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:58:54,474 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:58:54,475 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr9REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION]=== [2019-01-01 17:58:54,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:58:54,476 INFO L82 PathProgramCache]: Analyzing trace with hash 235932972, now seen corresponding path program 1 times [2019-01-01 17:58:54,476 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:58:54,476 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:58:54,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:58:54,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:58:54,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:58:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 17:58:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 17:58:54,557 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 17:58:54,571 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-01 17:58:54,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 05:58:54 BoogieIcfgContainer [2019-01-01 17:58:54,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 17:58:54,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 17:58:54,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 17:58:54,584 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 17:58:54,584 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:58:53" (3/4) ... [2019-01-01 17:58:54,589 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 17:58:54,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 17:58:54,590 INFO L168 Benchmark]: Toolchain (without parser) took 2634.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 947.3 MB in the beginning and 1.0 GB in the end (delta: -102.3 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. [2019-01-01 17:58:54,592 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 17:58:54,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.01 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 925.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-01-01 17:58:54,593 INFO L168 Benchmark]: Boogie Preprocessor took 149.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -208.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-01-01 17:58:54,594 INFO L168 Benchmark]: RCFGBuilder took 739.63 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. [2019-01-01 17:58:54,595 INFO L168 Benchmark]: TraceAbstraction took 1217.89 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: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. [2019-01-01 17:58:54,596 INFO L168 Benchmark]: Witness Printer took 5.32 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. [2019-01-01 17:58:54,600 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 517.01 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 925.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 149.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -208.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 739.63 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 1217.89 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: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.32 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, 1.1s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 42 SDtfs, 26 SDslu, 37 SDs, 0 SdLazy, 38 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 0.2s 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 0.1.24-2e94e6a [2019-01-01 17:58:56,949 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 17:58:56,951 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 17:58:56,969 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 17:58:56,969 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 17:58:56,971 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 17:58:56,973 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 17:58:56,975 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 17:58:56,979 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 17:58:56,982 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 17:58:56,984 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 17:58:56,985 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 17:58:56,986 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 17:58:56,989 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 17:58:56,996 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 17:58:56,997 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 17:58:56,997 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 17:58:56,999 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 17:58:57,006 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 17:58:57,007 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 17:58:57,008 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 17:58:57,012 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 17:58:57,018 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 17:58:57,020 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 17:58:57,020 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 17:58:57,021 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 17:58:57,022 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 17:58:57,023 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 17:58:57,024 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 17:58:57,026 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 17:58:57,028 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 17:58:57,029 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 17:58:57,031 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 17:58:57,031 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 17:58:57,034 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 17:58:57,035 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 17:58:57,037 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-01 17:58:57,055 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 17:58:57,056 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 17:58:57,057 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 17:58:57,057 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 17:58:57,057 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 17:58:57,057 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 17:58:57,057 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 17:58:57,058 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 17:58:57,058 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 17:58:57,058 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 17:58:57,058 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 17:58:57,058 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 17:58:57,058 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 17:58:57,059 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 17:58:57,059 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 17:58:57,059 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-01 17:58:57,059 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-01 17:58:57,059 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 17:58:57,059 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 17:58:57,060 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 17:58:57,060 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 17:58:57,060 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 17:58:57,060 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 17:58:57,060 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 17:58:57,061 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 17:58:57,061 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 17:58:57,061 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-01 17:58:57,061 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 17:58:57,061 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-01 17:58:57,061 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 [2019-01-01 17:58:57,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 17:58:57,134 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 17:58:57,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 17:58:57,144 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 17:58:57,145 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 17:58:57,147 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/list-ext-properties/test-0158_1_false-valid-memtrack_true-termination.i [2019-01-01 17:58:57,225 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8411be95d/d4a18e3d07264daea5feeede9559e21c/FLAG0f4c3201d [2019-01-01 17:58:57,712 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 17:58:57,713 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/list-ext-properties/test-0158_1_false-valid-memtrack_true-termination.i [2019-01-01 17:58:57,726 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8411be95d/d4a18e3d07264daea5feeede9559e21c/FLAG0f4c3201d [2019-01-01 17:58:58,011 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8411be95d/d4a18e3d07264daea5feeede9559e21c [2019-01-01 17:58:58,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 17:58:58,017 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 17:58:58,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 17:58:58,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 17:58:58,023 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 17:58:58,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:58:58" (1/1) ... [2019-01-01 17:58:58,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3597a81a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:58, skipping insertion in model container [2019-01-01 17:58:58,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:58:58" (1/1) ... [2019-01-01 17:58:58,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 17:58:58,087 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 17:58:58,470 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:58:58,479 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 17:58:58,567 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:58:58,655 INFO L195 MainTranslator]: Completed translation [2019-01-01 17:58:58,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:58 WrapperNode [2019-01-01 17:58:58,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 17:58:58,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 17:58:58,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 17:58:58,657 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 17:58:58,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:58" (1/1) ... [2019-01-01 17:58:58,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:58" (1/1) ... [2019-01-01 17:58:58,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:58" (1/1) ... [2019-01-01 17:58:58,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:58" (1/1) ... [2019-01-01 17:58:58,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:58" (1/1) ... [2019-01-01 17:58:58,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:58" (1/1) ... [2019-01-01 17:58:58,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:58" (1/1) ... [2019-01-01 17:58:58,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 17:58:58,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 17:58:58,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 17:58:58,856 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 17:58:58,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory: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 [2019-01-01 17:58:58,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 17:58:58,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 17:58:58,937 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 17:58:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-01-01 17:58:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 17:58:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 17:58:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 17:58:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 17:58:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 17:58:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 17:58:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 17:58:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 17:58:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 17:58:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 17:58:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 17:58:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 17:58:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 17:58:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 17:58:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 17:58:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 17:58:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 17:58:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 17:58:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 17:58:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 17:58:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 17:58:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 17:58:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 17:58:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 17:58:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 17:58:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 17:58:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 17:58:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 17:58:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 17:58:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 17:58:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 17:58:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 17:58:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 17:58:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 17:58:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 17:58:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 17:58:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 17:58:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 17:58:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 17:58:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 17:58:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 17:58:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 17:58:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 17:58:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 17:58:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 17:58:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 17:58:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 17:58:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 17:58:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 17:58:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 17:58:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 17:58:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 17:58:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 17:58:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 17:58:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 17:58:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 17:58:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 17:58:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 17:58:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 17:58:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 17:58:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 17:58:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 17:58:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 17:58:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 17:58:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-01-01 17:58:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 17:58:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 17:58:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 17:58:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 17:58:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 17:58:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 17:58:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 17:58:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 17:58:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 17:58:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 17:58:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 17:58:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 17:58:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 17:58:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 17:58:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 17:58:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 17:58:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 17:58:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 17:58:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 17:58:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 17:58:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 17:58:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 17:58:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 17:58:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 17:58:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 17:58:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 17:58:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 17:58:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 17:58:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 17:58:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 17:58:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 17:58:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 17:58:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 17:58:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 17:58:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 17:58:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 17:58:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 17:58:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 17:58:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 17:58:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 17:58:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 17:58:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-01 17:58:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-01 17:58:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-01-01 17:58:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 17:58:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 17:58:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 17:58:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-01-01 17:58:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 17:58:59,602 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 17:58:59,603 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2019-01-01 17:58:59,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:58:59 BoogieIcfgContainer [2019-01-01 17:58:59,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 17:58:59,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 17:58:59,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 17:58:59,608 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 17:58:59,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 05:58:58" (1/3) ... [2019-01-01 17:58:59,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba0c009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:58:59, skipping insertion in model container [2019-01-01 17:58:59,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:58:58" (2/3) ... [2019-01-01 17:58:59,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba0c009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:58:59, skipping insertion in model container [2019-01-01 17:58:59,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:58:59" (3/3) ... [2019-01-01 17:58:59,611 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0158_1_false-valid-memtrack_true-termination.i [2019-01-01 17:58:59,621 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 17:58:59,630 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2019-01-01 17:58:59,648 INFO L257 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-01-01 17:58:59,676 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 17:58:59,677 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 17:58:59,677 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 17:58:59,677 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 17:58:59,677 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 17:58:59,677 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 17:58:59,678 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 17:58:59,678 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 17:58:59,678 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 17:58:59,693 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-01-01 17:58:59,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-01 17:58:59,703 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:58:59,704 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:58:59,706 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr9REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION]=== [2019-01-01 17:58:59,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:58:59,713 INFO L82 PathProgramCache]: Analyzing trace with hash -664733145, now seen corresponding path program 1 times [2019-01-01 17:58:59,717 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 17:58:59,718 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 [2019-01-01 17:58:59,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:58:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:58:59,805 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 17:58:59,855 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 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 [2019-01-01 17:58:59,867 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 12 treesize of output 11 [2019-01-01 17:58:59,868 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 17:58:59,880 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 17:58:59,892 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. [2019-01-01 17:58:59,892 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:9, output treesize:11 [2019-01-01 17:58:59,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:58:59,930 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 17:58:59,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:58:59,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 17:58:59,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 17:58:59,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 17:58:59,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:58:59,957 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 3 states. [2019-01-01 17:59:00,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:59:00,144 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2019-01-01 17:59:00,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 17:59:00,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-01 17:59:00,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:59:00,155 INFO L225 Difference]: With dead ends: 24 [2019-01-01 17:59:00,155 INFO L226 Difference]: Without dead ends: 21 [2019-01-01 17:59:00,157 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 [2019-01-01 17:59:00,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-01-01 17:59:00,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-01-01 17:59:00,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-01 17:59:00,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-01-01 17:59:00,195 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 7 [2019-01-01 17:59:00,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:59:00,195 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-01-01 17:59:00,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 17:59:00,196 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-01-01 17:59:00,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-01 17:59:00,196 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:59:00,196 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:59:00,197 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr9REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION]=== [2019-01-01 17:59:00,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:59:00,197 INFO L82 PathProgramCache]: Analyzing trace with hash -664733144, now seen corresponding path program 1 times [2019-01-01 17:59:00,197 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 17:59:00,198 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 [2019-01-01 17:59:00,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:59:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:59:00,248 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 17:59:00,359 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 [2019-01-01 17:59:00,374 INFO L701 Elim1Store]: detected not equals via solver [2019-01-01 17:59:00,375 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 [2019-01-01 17:59:00,377 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 17:59:00,395 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 17:59:00,446 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 [2019-01-01 17:59:00,446 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-01 17:59:00,460 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. [2019-01-01 17:59:00,460 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:21, output treesize:14 [2019-01-01 17:59:00,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:59:00,482 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 17:59:00,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:59:00,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 17:59:00,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 17:59:00,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 17:59:00,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 17:59:00,487 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 3 states. [2019-01-01 17:59:00,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:59:00,555 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-01-01 17:59:00,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 17:59:00,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-01 17:59:00,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:59:00,556 INFO L225 Difference]: With dead ends: 16 [2019-01-01 17:59:00,557 INFO L226 Difference]: Without dead ends: 16 [2019-01-01 17:59:00,557 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 [2019-01-01 17:59:00,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-01-01 17:59:00,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-01-01 17:59:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-01-01 17:59:00,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2019-01-01 17:59:00,561 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 7 [2019-01-01 17:59:00,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:59:00,561 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2019-01-01 17:59:00,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 17:59:00,562 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-01-01 17:59:00,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-01 17:59:00,562 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:59:00,562 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:59:00,563 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr9REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION]=== [2019-01-01 17:59:00,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:59:00,563 INFO L82 PathProgramCache]: Analyzing trace with hash -828868173, now seen corresponding path program 1 times [2019-01-01 17:59:00,564 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 17:59:00,564 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 [2019-01-01 17:59:00,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:59:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:59:00,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 17:59:00,687 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2019-01-01 17:59:00,706 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 10 treesize of output 9 [2019-01-01 17:59:00,706 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 17:59:00,733 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 17:59:00,759 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 17:59:00,760 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-01-01 17:59:00,828 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2019-01-01 17:59:00,844 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 17 treesize of output 5 [2019-01-01 17:59:00,845 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-01 17:59:00,855 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 17:59:00,860 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-01 17:59:00,861 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2019-01-01 17:59:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:59:00,877 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-01 17:59:00,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:59:00,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 17:59:00,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 17:59:00,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 17:59:00,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 17:59:00,880 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 4 states. [2019-01-01 17:59:01,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:59:01,221 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2019-01-01 17:59:01,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-01 17:59:01,223 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-01-01 17:59:01,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:59:01,224 INFO L225 Difference]: With dead ends: 20 [2019-01-01 17:59:01,225 INFO L226 Difference]: Without dead ends: 20 [2019-01-01 17:59:01,225 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-01 17:59:01,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-01-01 17:59:01,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2019-01-01 17:59:01,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-01-01 17:59:01,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2019-01-01 17:59:01,232 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2019-01-01 17:59:01,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:59:01,232 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2019-01-01 17:59:01,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 17:59:01,233 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2019-01-01 17:59:01,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-01 17:59:01,235 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:59:01,235 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:59:01,235 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr9REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION]=== [2019-01-01 17:59:01,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:59:01,237 INFO L82 PathProgramCache]: Analyzing trace with hash -681104813, now seen corresponding path program 1 times [2019-01-01 17:59:01,237 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-01 17:59:01,237 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-01 17:59:01,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:59:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 17:59:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 17:59:01,475 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 17:59:01,491 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-01 17:59:01,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 05:59:01 BoogieIcfgContainer [2019-01-01 17:59:01,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 17:59:01,506 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 17:59:01,506 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 17:59:01,506 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 17:59:01,508 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:58:59" (3/4) ... [2019-01-01 17:59:01,513 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 17:59:01,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 17:59:01,514 INFO L168 Benchmark]: Toolchain (without parser) took 3497.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 948.7 MB in the beginning and 1.0 GB in the end (delta: -69.9 MB). Peak memory consumption was 85.8 MB. Max. memory is 11.5 GB. [2019-01-01 17:59:01,516 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 17:59:01,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.61 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 920.5 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-01-01 17:59:01,517 INFO L168 Benchmark]: Boogie Preprocessor took 199.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -221.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-01-01 17:59:01,519 INFO L168 Benchmark]: RCFGBuilder took 747.33 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: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2019-01-01 17:59:01,520 INFO L168 Benchmark]: TraceAbstraction took 1901.13 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: 85.8 MB). Peak memory consumption was 85.8 MB. Max. memory is 11.5 GB. [2019-01-01 17:59:01,522 INFO L168 Benchmark]: Witness Printer took 6.90 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. [2019-01-01 17:59:01,527 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 637.61 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 920.5 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 199.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -221.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 747.33 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: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1901.13 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: 85.8 MB). Peak memory consumption was 85.8 MB. Max. memory is 11.5 GB. * Witness Printer took 6.90 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)={1073741825:0}] [L631] COND FALSE !(__VERIFIER_nondet_int()) [L634] data.str.p2 = 30 VAL [data={1:0}, malloc(37U)={1073741825:0}] [L636] EXPR data.str.p2 VAL [data={1:0}, data.str.p2=30, malloc(37U)={1073741825:0}] [L636] COND FALSE !(25 > data.str.p2) [L639] return 0; [L639] return 0; VAL [\result=0, malloc(37U)={1073741825:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 29 locations, 11 error locations. UNSAFE Result, 1.8s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 39 SDtfs, 24 SDslu, 35 SDs, 0 SdLazy, 38 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 24 ConstructedInterpolants, 1 QuantifiedInterpolants, 492 SizeOfPredicates, 5 NumberOfNonLiveVariables, 131 ConjunctsInSsa, 9 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...