./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/list-ext-properties/test-0158_1_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/list-ext-properties/test-0158_1_false-valid-memtrack_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 724adc6a4f2ec76770ad6e25afc3fbe94cdc2656 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/list-ext-properties/test-0158_1_false-valid-memtrack_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 724adc6a4f2ec76770ad6e25afc3fbe94cdc2656 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 18:53:24,175 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 18:53:24,176 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 18:53:24,188 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 18:53:24,188 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 18:53:24,189 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 18:53:24,191 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 18:53:24,193 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 18:53:24,194 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 18:53:24,195 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 18:53:24,196 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 18:53:24,197 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 18:53:24,197 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 18:53:24,199 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 18:53:24,200 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 18:53:24,201 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 18:53:24,202 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 18:53:24,204 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 18:53:24,206 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 18:53:24,208 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 18:53:24,209 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 18:53:24,210 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 18:53:24,213 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 18:53:24,213 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 18:53:24,213 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 18:53:24,214 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 18:53:24,216 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 18:53:24,216 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 18:53:24,217 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 18:53:24,219 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 18:53:24,219 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 18:53:24,220 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 18:53:24,220 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 18:53:24,220 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 18:53:24,221 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 18:53:24,223 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 18:53:24,223 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-14 18:53:24,241 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 18:53:24,245 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 18:53:24,246 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 18:53:24,246 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 18:53:24,246 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 18:53:24,247 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 18:53:24,248 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 18:53:24,248 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 18:53:24,249 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 18:53:24,249 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 18:53:24,249 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 18:53:24,249 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-14 18:53:24,249 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-14 18:53:24,249 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-14 18:53:24,250 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 18:53:24,251 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 18:53:24,251 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 18:53:24,252 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 18:53:24,252 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 18:53:24,252 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 18:53:24,252 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 18:53:24,252 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 18:53:24,253 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 18:53:24,255 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 18:53:24,255 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 18:53:24,255 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 [2019-01-14 18:53:24,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 18:53:24,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 18:53:24,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 18:53:24,339 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 18:53:24,339 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 18:53:24,340 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/list-ext-properties/test-0158_1_false-valid-memtrack_true-termination.i [2019-01-14 18:53:24,395 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcf90bcba/f3aa75fba1f44e6f957f7fdce0b14286/FLAG9ec68d2f5 [2019-01-14 18:53:24,861 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 18:53:24,861 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/list-ext-properties/test-0158_1_false-valid-memtrack_true-termination.i [2019-01-14 18:53:24,873 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcf90bcba/f3aa75fba1f44e6f957f7fdce0b14286/FLAG9ec68d2f5 [2019-01-14 18:53:25,200 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcf90bcba/f3aa75fba1f44e6f957f7fdce0b14286 [2019-01-14 18:53:25,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 18:53:25,206 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-14 18:53:25,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 18:53:25,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 18:53:25,211 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 18:53:25,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 06:53:25" (1/1) ... [2019-01-14 18:53:25,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1afe824a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:25, skipping insertion in model container [2019-01-14 18:53:25,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 06:53:25" (1/1) ... [2019-01-14 18:53:25,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 18:53:25,269 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 18:53:25,589 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 18:53:25,598 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 18:53:25,669 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 18:53:25,742 INFO L195 MainTranslator]: Completed translation [2019-01-14 18:53:25,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:25 WrapperNode [2019-01-14 18:53:25,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 18:53:25,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 18:53:25,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 18:53:25,745 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 18:53:25,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:25" (1/1) ... [2019-01-14 18:53:25,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:25" (1/1) ... [2019-01-14 18:53:25,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:25" (1/1) ... [2019-01-14 18:53:25,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:25" (1/1) ... [2019-01-14 18:53:25,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:25" (1/1) ... [2019-01-14 18:53:25,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:25" (1/1) ... [2019-01-14 18:53:25,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:25" (1/1) ... [2019-01-14 18:53:25,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 18:53:25,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 18:53:25,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 18:53:25,879 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 18:53:25,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:25" (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 [2019-01-14 18:53:25,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-14 18:53:25,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 18:53:25,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-14 18:53:25,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-01-14 18:53:25,943 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-14 18:53:25,943 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-14 18:53:25,943 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-14 18:53:25,944 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-14 18:53:25,944 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-14 18:53:25,944 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-14 18:53:25,944 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-14 18:53:25,945 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-14 18:53:25,945 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-14 18:53:25,945 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-14 18:53:25,945 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-14 18:53:25,945 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-14 18:53:25,945 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-14 18:53:25,945 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-14 18:53:25,946 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-14 18:53:25,946 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-14 18:53:25,946 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-14 18:53:25,946 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-14 18:53:25,946 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-14 18:53:25,946 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-14 18:53:25,946 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-14 18:53:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-14 18:53:25,950 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-14 18:53:25,950 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-14 18:53:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-14 18:53:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-14 18:53:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-14 18:53:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-14 18:53:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-14 18:53:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-14 18:53:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-14 18:53:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-14 18:53:25,952 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-14 18:53:25,953 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-14 18:53:25,953 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-14 18:53:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-14 18:53:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-14 18:53:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-14 18:53:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-14 18:53:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-14 18:53:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-14 18:53:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-14 18:53:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-14 18:53:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-14 18:53:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-14 18:53:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-14 18:53:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-14 18:53:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-14 18:53:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-14 18:53:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-14 18:53:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-14 18:53:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-14 18:53:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-14 18:53:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-14 18:53:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-14 18:53:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-14 18:53:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-14 18:53:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-14 18:53:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-14 18:53:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-14 18:53:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-14 18:53:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-14 18:53:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-14 18:53:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-14 18:53:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-01-14 18:53:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-14 18:53:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-14 18:53:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-14 18:53:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-14 18:53:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-14 18:53:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-14 18:53:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-14 18:53:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-14 18:53:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-14 18:53:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-14 18:53:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-14 18:53:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-14 18:53:25,963 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-14 18:53:25,963 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-14 18:53:25,963 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-14 18:53:25,963 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-14 18:53:25,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-14 18:53:25,963 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-14 18:53:25,963 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-14 18:53:25,965 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-14 18:53:25,965 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-14 18:53:25,965 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-14 18:53:25,965 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-14 18:53:25,965 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-14 18:53:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-14 18:53:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-14 18:53:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-14 18:53:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-14 18:53:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-14 18:53:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-14 18:53:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-14 18:53:25,967 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-14 18:53:25,967 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-14 18:53:25,967 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-14 18:53:25,967 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-14 18:53:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-14 18:53:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-14 18:53:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-14 18:53:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 18:53:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-14 18:53:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-14 18:53:25,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 18:53:25,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-14 18:53:25,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 18:53:25,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-14 18:53:25,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 18:53:25,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-14 18:53:26,504 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 18:53:26,505 INFO L286 CfgBuilder]: Removed 0 assue(true) statements. [2019-01-14 18:53:26,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 06:53:26 BoogieIcfgContainer [2019-01-14 18:53:26,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 18:53:26,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 18:53:26,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 18:53:26,511 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 18:53:26,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 06:53:25" (1/3) ... [2019-01-14 18:53:26,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38eed6ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 06:53:26, skipping insertion in model container [2019-01-14 18:53:26,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:25" (2/3) ... [2019-01-14 18:53:26,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38eed6ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 06:53:26, skipping insertion in model container [2019-01-14 18:53:26,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 06:53:26" (3/3) ... [2019-01-14 18:53:26,514 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0158_1_false-valid-memtrack_true-termination.i [2019-01-14 18:53:26,526 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 18:53:26,538 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2019-01-14 18:53:26,556 INFO L257 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-01-14 18:53:26,589 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 18:53:26,590 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 18:53:26,590 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-14 18:53:26,590 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 18:53:26,590 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 18:53:26,590 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 18:53:26,591 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 18:53:26,591 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 18:53:26,591 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 18:53:26,606 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2019-01-14 18:53:26,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-14 18:53:26,616 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 18:53:26,617 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 18:53:26,619 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2019-01-14 18:53:26,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 18:53:26,624 INFO L82 PathProgramCache]: Analyzing trace with hash 222801288, now seen corresponding path program 1 times [2019-01-14 18:53:26,626 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 18:53:26,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 18:53:26,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:53:26,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 18:53:26,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:53:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 18:53:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 18:53:26,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 18:53:26,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 18:53:26,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 18:53:26,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 18:53:26,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 18:53:26,820 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 3 states. [2019-01-14 18:53:26,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 18:53:26,939 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2019-01-14 18:53:26,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 18:53:26,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-14 18:53:26,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 18:53:26,953 INFO L225 Difference]: With dead ends: 25 [2019-01-14 18:53:26,953 INFO L226 Difference]: Without dead ends: 22 [2019-01-14 18:53:26,955 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 [2019-01-14 18:53:26,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-01-14 18:53:26,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-01-14 18:53:26,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-01-14 18:53:26,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2019-01-14 18:53:26,994 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 7 [2019-01-14 18:53:26,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 18:53:26,994 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2019-01-14 18:53:26,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 18:53:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2019-01-14 18:53:26,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-14 18:53:26,996 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 18:53:26,996 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 18:53:26,996 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2019-01-14 18:53:26,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 18:53:26,997 INFO L82 PathProgramCache]: Analyzing trace with hash 222801289, now seen corresponding path program 1 times [2019-01-14 18:53:26,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 18:53:26,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 18:53:26,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:53:27,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 18:53:27,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:53:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 18:53:27,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 18:53:27,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 18:53:27,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 18:53:27,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 18:53:27,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 18:53:27,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 18:53:27,068 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 3 states. [2019-01-14 18:53:27,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 18:53:27,147 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2019-01-14 18:53:27,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 18:53:27,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-14 18:53:27,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 18:53:27,149 INFO L225 Difference]: With dead ends: 17 [2019-01-14 18:53:27,149 INFO L226 Difference]: Without dead ends: 17 [2019-01-14 18:53:27,150 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 [2019-01-14 18:53:27,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-01-14 18:53:27,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-01-14 18:53:27,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-01-14 18:53:27,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2019-01-14 18:53:27,153 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 7 [2019-01-14 18:53:27,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 18:53:27,154 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2019-01-14 18:53:27,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 18:53:27,154 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-01-14 18:53:27,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-14 18:53:27,155 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 18:53:27,155 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 18:53:27,155 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2019-01-14 18:53:27,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 18:53:27,156 INFO L82 PathProgramCache]: Analyzing trace with hash 88169612, now seen corresponding path program 1 times [2019-01-14 18:53:27,156 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 18:53:27,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 18:53:27,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:53:27,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 18:53:27,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:53:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 18:53:27,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 18:53:27,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 18:53:27,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 18:53:27,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 18:53:27,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 18:53:27,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 18:53:27,248 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 4 states. [2019-01-14 18:53:27,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 18:53:27,367 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2019-01-14 18:53:27,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 18:53:27,368 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-01-14 18:53:27,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 18:53:27,369 INFO L225 Difference]: With dead ends: 21 [2019-01-14 18:53:27,370 INFO L226 Difference]: Without dead ends: 21 [2019-01-14 18:53:27,371 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 [2019-01-14 18:53:27,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-01-14 18:53:27,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2019-01-14 18:53:27,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-01-14 18:53:27,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2019-01-14 18:53:27,376 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 14 [2019-01-14 18:53:27,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 18:53:27,376 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2019-01-14 18:53:27,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 18:53:27,376 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-01-14 18:53:27,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-14 18:53:27,378 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 18:53:27,378 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 18:53:27,379 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr3REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2019-01-14 18:53:27,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 18:53:27,379 INFO L82 PathProgramCache]: Analyzing trace with hash 235932972, now seen corresponding path program 1 times [2019-01-14 18:53:27,379 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 18:53:27,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 18:53:27,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:53:27,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 18:53:27,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:53:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 18:53:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 18:53:27,462 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 18:53:27,475 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-14 18:53:27,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 06:53:27 BoogieIcfgContainer [2019-01-14 18:53:27,488 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 18:53:27,488 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 18:53:27,488 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 18:53:27,488 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 18:53:27,489 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 06:53:26" (3/4) ... [2019-01-14 18:53:27,493 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 18:53:27,493 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 18:53:27,494 INFO L168 Benchmark]: Toolchain (without parser) took 2289.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -71.5 MB). Peak memory consumption was 57.0 MB. Max. memory is 11.5 GB. [2019-01-14 18:53:27,496 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 18:53:27,496 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.00 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 929.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-01-14 18:53:27,497 INFO L168 Benchmark]: Boogie Preprocessor took 134.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-01-14 18:53:27,498 INFO L168 Benchmark]: RCFGBuilder took 628.06 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: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2019-01-14 18:53:27,499 INFO L168 Benchmark]: TraceAbstraction took 980.62 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: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 11.5 GB. [2019-01-14 18:53:27,500 INFO L168 Benchmark]: Witness Printer took 4.75 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. [2019-01-14 18:53:27,505 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 536.00 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 929.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 134.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 628.06 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: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 980.62 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: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 620]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 620. Possible FailurePath: [L622-L629] union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L630] data.p0 = malloc(37U) VAL [data={1:0}, malloc(37U)={3:0}] [L631] COND FALSE !(__VERIFIER_nondet_int()) [L634] data.str.p2 = 30 VAL [data={1:0}, malloc(37U)={3:0}] [L636] EXPR data.str.p2 VAL [data={1:0}, data.str.p2=30, malloc(37U)={3:0}] [L636] COND FALSE !(25 > data.str.p2) [L639] return 0; [L639] return 0; VAL [\result=0, malloc(37U)={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 30 locations, 11 error locations. UNSAFE Result, 0.9s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 42 SDtfs, 26 SDslu, 37 SDs, 0 SdLazy, 38 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 443 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-14 18:53:29,637 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 18:53:29,639 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 18:53:29,654 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 18:53:29,655 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 18:53:29,656 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 18:53:29,659 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 18:53:29,661 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 18:53:29,664 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 18:53:29,664 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 18:53:29,667 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 18:53:29,667 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 18:53:29,669 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 18:53:29,670 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 18:53:29,673 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 18:53:29,674 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 18:53:29,675 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 18:53:29,677 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 18:53:29,688 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 18:53:29,689 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 18:53:29,690 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 18:53:29,691 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 18:53:29,697 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 18:53:29,698 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 18:53:29,698 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 18:53:29,699 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 18:53:29,700 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 18:53:29,701 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 18:53:29,705 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 18:53:29,707 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 18:53:29,708 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 18:53:29,709 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 18:53:29,709 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 18:53:29,709 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 18:53:29,710 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 18:53:29,710 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 18:53:29,712 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-14 18:53:29,736 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 18:53:29,736 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 18:53:29,738 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 18:53:29,738 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 18:53:29,738 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 18:53:29,739 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 18:53:29,739 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 18:53:29,739 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 18:53:29,739 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 18:53:29,739 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 18:53:29,740 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 18:53:29,740 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-14 18:53:29,740 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-14 18:53:29,740 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-14 18:53:29,740 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 18:53:29,740 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-14 18:53:29,741 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-14 18:53:29,742 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 18:53:29,742 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 18:53:29,742 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 18:53:29,742 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 18:53:29,743 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 18:53:29,743 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 18:53:29,743 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 18:53:29,743 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 18:53:29,743 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-14 18:53:29,743 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 18:53:29,744 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-14 18:53:29,744 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 [2019-01-14 18:53:29,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 18:53:29,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 18:53:29,824 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 18:53:29,826 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 18:53:29,826 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 18:53:29,827 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/list-ext-properties/test-0158_1_false-valid-memtrack_true-termination.i [2019-01-14 18:53:29,885 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cfa4e8b3/108a100f025c4977a7594799fa59172a/FLAGe6e1964b3 [2019-01-14 18:53:30,441 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 18:53:30,442 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/list-ext-properties/test-0158_1_false-valid-memtrack_true-termination.i [2019-01-14 18:53:30,461 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cfa4e8b3/108a100f025c4977a7594799fa59172a/FLAGe6e1964b3 [2019-01-14 18:53:30,688 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cfa4e8b3/108a100f025c4977a7594799fa59172a [2019-01-14 18:53:30,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 18:53:30,692 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-14 18:53:30,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 18:53:30,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 18:53:30,697 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 18:53:30,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 06:53:30" (1/1) ... [2019-01-14 18:53:30,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4525649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:30, skipping insertion in model container [2019-01-14 18:53:30,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 06:53:30" (1/1) ... [2019-01-14 18:53:30,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 18:53:30,758 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 18:53:31,134 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 18:53:31,144 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 18:53:31,222 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 18:53:31,357 INFO L195 MainTranslator]: Completed translation [2019-01-14 18:53:31,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:31 WrapperNode [2019-01-14 18:53:31,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 18:53:31,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 18:53:31,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 18:53:31,360 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 18:53:31,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:31" (1/1) ... [2019-01-14 18:53:31,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:31" (1/1) ... [2019-01-14 18:53:31,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:31" (1/1) ... [2019-01-14 18:53:31,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:31" (1/1) ... [2019-01-14 18:53:31,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:31" (1/1) ... [2019-01-14 18:53:31,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:31" (1/1) ... [2019-01-14 18:53:31,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:31" (1/1) ... [2019-01-14 18:53:31,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 18:53:31,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 18:53:31,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 18:53:31,428 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 18:53:31,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:31" (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 [2019-01-14 18:53:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-14 18:53:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 18:53:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-01-14 18:53:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-14 18:53:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-01-14 18:53:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-14 18:53:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-14 18:53:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-14 18:53:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-14 18:53:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-14 18:53:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-14 18:53:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-14 18:53:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-14 18:53:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-14 18:53:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-14 18:53:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-14 18:53:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-14 18:53:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-14 18:53:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-14 18:53:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-14 18:53:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-14 18:53:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-14 18:53:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-14 18:53:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-14 18:53:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-14 18:53:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-14 18:53:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-14 18:53:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-14 18:53:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-14 18:53:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-14 18:53:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-14 18:53:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-14 18:53:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-14 18:53:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-14 18:53:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-14 18:53:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-14 18:53:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-14 18:53:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-14 18:53:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-14 18:53:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-14 18:53:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-14 18:53:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-14 18:53:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-14 18:53:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-14 18:53:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-14 18:53:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-14 18:53:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-14 18:53:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-14 18:53:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-14 18:53:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-14 18:53:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-14 18:53:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-14 18:53:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-14 18:53:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-14 18:53:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-14 18:53:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-14 18:53:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-14 18:53:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-14 18:53:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-14 18:53:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-14 18:53:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-14 18:53:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-14 18:53:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-14 18:53:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-14 18:53:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-14 18:53:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-14 18:53:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-14 18:53:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-14 18:53:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-14 18:53:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-01-14 18:53:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-14 18:53:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-14 18:53:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-14 18:53:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-14 18:53:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-14 18:53:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-14 18:53:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-14 18:53:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-14 18:53:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-14 18:53:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-14 18:53:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-14 18:53:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-14 18:53:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-14 18:53:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-14 18:53:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-14 18:53:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-14 18:53:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-14 18:53:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-14 18:53:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-14 18:53:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-14 18:53:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-14 18:53:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-14 18:53:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-14 18:53:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-14 18:53:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-14 18:53:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-14 18:53:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-14 18:53:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-14 18:53:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-14 18:53:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-14 18:53:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-14 18:53:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-14 18:53:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-14 18:53:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-14 18:53:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-14 18:53:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-14 18:53:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-14 18:53:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-14 18:53:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 18:53:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-14 18:53:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-14 18:53:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-14 18:53:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-14 18:53:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-01-14 18:53:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 18:53:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-14 18:53:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 18:53:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-01-14 18:53:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-01-14 18:53:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-14 18:53:32,093 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 18:53:32,093 INFO L286 CfgBuilder]: Removed 0 assue(true) statements. [2019-01-14 18:53:32,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 06:53:32 BoogieIcfgContainer [2019-01-14 18:53:32,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 18:53:32,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 18:53:32,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 18:53:32,098 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 18:53:32,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 06:53:30" (1/3) ... [2019-01-14 18:53:32,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148c1553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 06:53:32, skipping insertion in model container [2019-01-14 18:53:32,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:53:31" (2/3) ... [2019-01-14 18:53:32,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148c1553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 06:53:32, skipping insertion in model container [2019-01-14 18:53:32,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 06:53:32" (3/3) ... [2019-01-14 18:53:32,101 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0158_1_false-valid-memtrack_true-termination.i [2019-01-14 18:53:32,111 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 18:53:32,119 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2019-01-14 18:53:32,135 INFO L257 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-01-14 18:53:32,161 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 18:53:32,162 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 18:53:32,162 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-14 18:53:32,162 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 18:53:32,163 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 18:53:32,163 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 18:53:32,163 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 18:53:32,163 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 18:53:32,163 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 18:53:32,177 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-01-14 18:53:32,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-14 18:53:32,187 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 18:53:32,187 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 18:53:32,190 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION]=== [2019-01-14 18:53:32,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 18:53:32,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1459909518, now seen corresponding path program 1 times [2019-01-14 18:53:32,200 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 18:53:32,201 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 [2019-01-14 18:53:32,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 18:53:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 18:53:32,281 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 18:53:32,372 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 18:53:32,377 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 27 [2019-01-14 18:53:32,383 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2019-01-14 18:53:32,385 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 18:53:32,465 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 18:53:32,481 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. [2019-01-14 18:53:32,482 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2019-01-14 18:53:32,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 18:53:32,517 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 18:53:32,523 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 18:53:32,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 18:53:32,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 18:53:32,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 18:53:32,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 18:53:32,549 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 3 states. [2019-01-14 18:53:32,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 18:53:32,706 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2019-01-14 18:53:32,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 18:53:32,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-14 18:53:32,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 18:53:32,716 INFO L225 Difference]: With dead ends: 24 [2019-01-14 18:53:32,716 INFO L226 Difference]: Without dead ends: 21 [2019-01-14 18:53:32,718 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 [2019-01-14 18:53:32,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-01-14 18:53:32,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-01-14 18:53:32,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-14 18:53:32,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-01-14 18:53:32,749 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 7 [2019-01-14 18:53:32,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 18:53:32,750 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-01-14 18:53:32,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 18:53:32,750 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-01-14 18:53:32,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-14 18:53:32,751 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 18:53:32,751 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 18:53:32,751 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION]=== [2019-01-14 18:53:32,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 18:53:32,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1459909519, now seen corresponding path program 1 times [2019-01-14 18:53:32,752 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 18:53:32,752 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 [2019-01-14 18:53:32,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 18:53:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 18:53:32,832 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 18:53:32,948 WARN L181 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-01-14 18:53:32,963 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 [2019-01-14 18:53:33,002 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 18:53:33,003 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 [2019-01-14 18:53:33,004 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 18:53:33,134 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 18:53:33,281 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 [2019-01-14 18:53:33,281 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-14 18:53:33,374 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. [2019-01-14 18:53:33,375 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:21, output treesize:14 [2019-01-14 18:53:33,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 18:53:33,442 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 18:53:33,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 18:53:33,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 18:53:33,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 18:53:33,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 18:53:33,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 18:53:33,446 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 3 states. [2019-01-14 18:53:33,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 18:53:33,599 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-01-14 18:53:33,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 18:53:33,601 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-14 18:53:33,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 18:53:33,602 INFO L225 Difference]: With dead ends: 16 [2019-01-14 18:53:33,602 INFO L226 Difference]: Without dead ends: 16 [2019-01-14 18:53:33,604 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 [2019-01-14 18:53:33,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-01-14 18:53:33,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-01-14 18:53:33,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-01-14 18:53:33,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2019-01-14 18:53:33,607 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 7 [2019-01-14 18:53:33,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 18:53:33,608 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2019-01-14 18:53:33,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 18:53:33,608 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-01-14 18:53:33,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-14 18:53:33,609 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 18:53:33,609 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 18:53:33,609 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr10ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION]=== [2019-01-14 18:53:33,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 18:53:33,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1228565222, now seen corresponding path program 1 times [2019-01-14 18:53:33,610 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 18:53:33,610 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 [2019-01-14 18:53:33,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 18:53:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 18:53:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 18:53:33,772 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 18:53:33,794 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-14 18:53:33,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 06:53:33 BoogieIcfgContainer [2019-01-14 18:53:33,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 18:53:33,819 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 18:53:33,819 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 18:53:33,819 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 18:53:33,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 06:53:32" (3/4) ... [2019-01-14 18:53:33,824 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 18:53:33,824 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 18:53:33,825 INFO L168 Benchmark]: Toolchain (without parser) took 3133.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -51.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 11.5 GB. [2019-01-14 18:53:33,832 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 18:53:33,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 11.5 GB. [2019-01-14 18:53:33,833 INFO L168 Benchmark]: Boogie Preprocessor took 67.81 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-14 18:53:33,835 INFO L168 Benchmark]: RCFGBuilder took 666.07 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2019-01-14 18:53:33,836 INFO L168 Benchmark]: TraceAbstraction took 1723.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.9 MB). Peak memory consumption was 63.9 MB. Max. memory is 11.5 GB. [2019-01-14 18:53:33,836 INFO L168 Benchmark]: Witness Printer took 5.68 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. [2019-01-14 18:53:33,844 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 666.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.81 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 666.07 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1723.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.9 MB). Peak memory consumption was 63.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 620]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 620. Possible FailurePath: [L622-L629] union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L630] data.p0 = malloc(37U) VAL [data={-1071644672:0}, malloc(37U)={2097152:0}] [L631] COND FALSE !(__VERIFIER_nondet_int()) [L634] data.str.p2 = 30 VAL [data={-1071644672:0}, malloc(37U)={2097152:0}] [L636] EXPR data.str.p2 VAL [data={-1071644672:0}, data.str.p2=30, malloc(37U)={2097152:0}] [L636] COND FALSE !(25 > data.str.p2) [L639] return 0; [L639] return 0; VAL [\result=0, malloc(37U)={2097152:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 32 locations, 11 error locations. UNSAFE Result, 1.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 25 SDtfs, 23 SDslu, 12 SDs, 0 SdLazy, 22 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 2 QuantifiedInterpolants, 288 SizeOfPredicates, 2 NumberOfNonLiveVariables, 78 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...