./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/list-ext-properties/test-0158_1_true-valid-memsafety_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_true-valid-memsafety_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 c1516553d07c6c9c53fd073bc6c23f9e2032139d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 19:02:27,706 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 19:02:27,707 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 19:02:27,724 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 19:02:27,726 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 19:02:27,727 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 19:02:27,729 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 19:02:27,732 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 19:02:27,736 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 19:02:27,744 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 19:02:27,745 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 19:02:27,745 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 19:02:27,749 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 19:02:27,752 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 19:02:27,755 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 19:02:27,756 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 19:02:27,757 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 19:02:27,761 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 19:02:27,766 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 19:02:27,767 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 19:02:27,768 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 19:02:27,770 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 19:02:27,772 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 19:02:27,772 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 19:02:27,772 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 19:02:27,773 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 19:02:27,775 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 19:02:27,775 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 19:02:27,776 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 19:02:27,777 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 19:02:27,777 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 19:02:27,778 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 19:02:27,778 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 19:02:27,779 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 19:02:27,780 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 19:02:27,781 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 19:02:27,781 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-14 19:02:27,798 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 19:02:27,799 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 19:02:27,803 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 19:02:27,803 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 19:02:27,803 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 19:02:27,804 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 19:02:27,804 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 19:02:27,804 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 19:02:27,804 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 19:02:27,804 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 19:02:27,804 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 19:02:27,805 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-14 19:02:27,807 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-14 19:02:27,807 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-14 19:02:27,807 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 19:02:27,808 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 19:02:27,808 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 19:02:27,808 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 19:02:27,808 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 19:02:27,808 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 19:02:27,808 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 19:02:27,809 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 19:02:27,809 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 19:02:27,809 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 19:02:27,809 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 19:02:27,809 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 -> c1516553d07c6c9c53fd073bc6c23f9e2032139d [2019-01-14 19:02:27,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 19:02:27,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 19:02:27,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 19:02:27,872 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 19:02:27,872 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 19:02:27,873 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/list-ext-properties/test-0158_1_true-valid-memsafety_true-termination.i [2019-01-14 19:02:27,935 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90e8787d4/87ca21210ad54581ae9baaef1b4192f5/FLAGaa0b85ed9 [2019-01-14 19:02:28,374 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 19:02:28,375 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/list-ext-properties/test-0158_1_true-valid-memsafety_true-termination.i [2019-01-14 19:02:28,396 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90e8787d4/87ca21210ad54581ae9baaef1b4192f5/FLAGaa0b85ed9 [2019-01-14 19:02:28,704 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90e8787d4/87ca21210ad54581ae9baaef1b4192f5 [2019-01-14 19:02:28,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 19:02:28,709 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-14 19:02:28,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 19:02:28,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 19:02:28,715 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 19:02:28,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:02:28" (1/1) ... [2019-01-14 19:02:28,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2515722b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:02:28, skipping insertion in model container [2019-01-14 19:02:28,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:02:28" (1/1) ... [2019-01-14 19:02:28,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 19:02:28,787 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 19:02:29,154 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:02:29,160 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 19:02:29,208 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:02:29,278 INFO L195 MainTranslator]: Completed translation [2019-01-14 19:02:29,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:02:29 WrapperNode [2019-01-14 19:02:29,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 19:02:29,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 19:02:29,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 19:02:29,280 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 19:02:29,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:02:29" (1/1) ... [2019-01-14 19:02:29,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:02:29" (1/1) ... [2019-01-14 19:02:29,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:02:29" (1/1) ... [2019-01-14 19:02:29,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:02:29" (1/1) ... [2019-01-14 19:02:29,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:02:29" (1/1) ... [2019-01-14 19:02:29,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:02:29" (1/1) ... [2019-01-14 19:02:29,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:02:29" (1/1) ... [2019-01-14 19:02:29,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 19:02:29,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 19:02:29,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 19:02:29,403 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 19:02:29,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:02:29" (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 19:02:29,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-14 19:02:29,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 19:02:29,460 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-14 19:02:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-01-14 19:02:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-14 19:02:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-14 19:02:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-14 19:02:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-14 19:02:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-14 19:02:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-14 19:02:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-14 19:02:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-14 19:02:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-14 19:02:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-14 19:02:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-14 19:02:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-14 19:02:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-14 19:02:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-14 19:02:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-14 19:02:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-14 19:02:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-14 19:02:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-14 19:02:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-14 19:02:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-14 19:02:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-14 19:02:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-14 19:02:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-14 19:02:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-14 19:02:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-14 19:02:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-14 19:02:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-14 19:02:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-14 19:02:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-14 19:02:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-14 19:02:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-14 19:02:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-14 19:02:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-14 19:02:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-14 19:02:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-14 19:02:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-14 19:02:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-14 19:02:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-14 19:02:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-14 19:02:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-14 19:02:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-14 19:02:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-14 19:02:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-14 19:02:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-14 19:02:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-14 19:02:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-14 19:02:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-14 19:02:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-14 19:02:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-14 19:02:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-14 19:02:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-14 19:02:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-14 19:02:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-14 19:02:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-14 19:02:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-14 19:02:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-14 19:02:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-14 19:02:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-14 19:02:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-14 19:02:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-14 19:02:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-14 19:02:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-14 19:02:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-14 19:02:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-14 19:02:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-01-14 19:02:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-14 19:02:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-14 19:02:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-14 19:02:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-14 19:02:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-14 19:02:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-14 19:02:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-14 19:02:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-14 19:02:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-14 19:02:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-14 19:02:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-14 19:02:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-14 19:02:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-14 19:02:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-14 19:02:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-14 19:02:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-14 19:02:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-14 19:02:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-14 19:02:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-14 19:02:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-14 19:02:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-14 19:02:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-14 19:02:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-14 19:02:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-14 19:02:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-14 19:02:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-14 19:02:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-14 19:02:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-14 19:02:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-14 19:02:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-14 19:02:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-14 19:02:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-14 19:02:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-14 19:02:29,477 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-14 19:02:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-14 19:02:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-14 19:02:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-14 19:02:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-14 19:02:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 19:02:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-14 19:02:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-14 19:02:29,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 19:02:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-14 19:02:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-14 19:02:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 19:02:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-14 19:02:29,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 19:02:30,107 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 19:02:30,108 INFO L286 CfgBuilder]: Removed 0 assue(true) statements. [2019-01-14 19:02:30,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:02:30 BoogieIcfgContainer [2019-01-14 19:02:30,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 19:02:30,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 19:02:30,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 19:02:30,113 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 19:02:30,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 07:02:28" (1/3) ... [2019-01-14 19:02:30,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10277bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:02:30, skipping insertion in model container [2019-01-14 19:02:30,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:02:29" (2/3) ... [2019-01-14 19:02:30,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10277bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:02:30, skipping insertion in model container [2019-01-14 19:02:30,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:02:30" (3/3) ... [2019-01-14 19:02:30,117 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0158_1_true-valid-memsafety_true-termination.i [2019-01-14 19:02:30,127 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 19:02:30,135 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2019-01-14 19:02:30,150 INFO L257 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2019-01-14 19:02:30,176 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 19:02:30,177 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 19:02:30,177 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-14 19:02:30,177 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 19:02:30,177 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 19:02:30,178 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 19:02:30,178 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 19:02:30,178 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 19:02:30,178 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 19:02:30,194 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2019-01-14 19:02:30,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-14 19:02:30,204 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:02:30,205 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:02:30,208 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr15ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION]=== [2019-01-14 19:02:30,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:02:30,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1266857840, now seen corresponding path program 1 times [2019-01-14 19:02:30,216 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:02:30,216 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:02:30,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:02:30,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:02:30,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:02:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:02:30,397 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 19:02:30,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:02:30,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 19:02:30,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 19:02:30,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 19:02:30,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 19:02:30,416 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 3 states. [2019-01-14 19:02:30,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:02:30,553 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2019-01-14 19:02:30,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 19:02:30,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-14 19:02:30,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:02:30,563 INFO L225 Difference]: With dead ends: 32 [2019-01-14 19:02:30,563 INFO L226 Difference]: Without dead ends: 29 [2019-01-14 19:02:30,565 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 19:02:30,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-01-14 19:02:30,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-01-14 19:02:30,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-01-14 19:02:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2019-01-14 19:02:30,601 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 7 [2019-01-14 19:02:30,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:02:30,601 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2019-01-14 19:02:30,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 19:02:30,602 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-01-14 19:02:30,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-14 19:02:30,602 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:02:30,602 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:02:30,603 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr15ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION]=== [2019-01-14 19:02:30,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:02:30,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1266857839, now seen corresponding path program 1 times [2019-01-14 19:02:30,603 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:02:30,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:02:30,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:02:30,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:02:30,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:02:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:02:30,739 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 19:02:30,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:02:30,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 19:02:30,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 19:02:30,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 19:02:30,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 19:02:30,742 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 3 states. [2019-01-14 19:02:30,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:02:30,908 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2019-01-14 19:02:30,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 19:02:30,908 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-01-14 19:02:30,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:02:30,909 INFO L225 Difference]: With dead ends: 23 [2019-01-14 19:02:30,909 INFO L226 Difference]: Without dead ends: 23 [2019-01-14 19:02:30,910 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 19:02:30,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-01-14 19:02:30,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-01-14 19:02:30,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-01-14 19:02:30,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2019-01-14 19:02:30,916 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 7 [2019-01-14 19:02:30,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:02:30,916 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2019-01-14 19:02:30,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 19:02:30,916 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2019-01-14 19:02:30,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-14 19:02:30,917 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:02:30,918 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:02:30,918 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr15ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION]=== [2019-01-14 19:02:30,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:02:30,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1570818181, now seen corresponding path program 1 times [2019-01-14 19:02:30,919 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:02:30,919 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:02:30,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:02:30,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:02:30,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:02:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:02:31,153 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 19:02:31,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:02:31,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 19:02:31,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:02:31,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:02:31,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:02:31,155 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 5 states. [2019-01-14 19:02:31,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:02:31,340 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2019-01-14 19:02:31,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:02:31,341 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-01-14 19:02:31,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:02:31,343 INFO L225 Difference]: With dead ends: 22 [2019-01-14 19:02:31,343 INFO L226 Difference]: Without dead ends: 22 [2019-01-14 19:02:31,344 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-14 19:02:31,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-01-14 19:02:31,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-01-14 19:02:31,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-01-14 19:02:31,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2019-01-14 19:02:31,347 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 14 [2019-01-14 19:02:31,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:02:31,348 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2019-01-14 19:02:31,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:02:31,348 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2019-01-14 19:02:31,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-01-14 19:02:31,349 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:02:31,349 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:02:31,349 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr15ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION]=== [2019-01-14 19:02:31,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:02:31,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1450723422, now seen corresponding path program 1 times [2019-01-14 19:02:31,350 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:02:31,350 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:02:31,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:02:31,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:02:31,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:02:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:02:31,454 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 19:02:31,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:02:31,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 19:02:31,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:02:31,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:02:31,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:02:31,456 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 5 states. [2019-01-14 19:02:31,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:02:31,575 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2019-01-14 19:02:31,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:02:31,576 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-01-14 19:02:31,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:02:31,577 INFO L225 Difference]: With dead ends: 21 [2019-01-14 19:02:31,577 INFO L226 Difference]: Without dead ends: 21 [2019-01-14 19:02:31,578 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-14 19:02:31,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-01-14 19:02:31,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-01-14 19:02:31,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-14 19:02:31,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-01-14 19:02:31,583 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 15 [2019-01-14 19:02:31,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:02:31,584 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-01-14 19:02:31,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:02:31,584 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-01-14 19:02:31,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-14 19:02:31,585 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:02:31,585 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:02:31,585 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr15ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION]=== [2019-01-14 19:02:31,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:02:31,586 INFO L82 PathProgramCache]: Analyzing trace with hash 2022753191, now seen corresponding path program 1 times [2019-01-14 19:02:31,586 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:02:31,586 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:02:31,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:02:31,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:02:31,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:02:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:02:31,774 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 19:02:31,775 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:02:31,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 19:02:31,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:02:31,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:02:31,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:02:31,776 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 5 states. [2019-01-14 19:02:32,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:02:32,031 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2019-01-14 19:02:32,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:02:32,032 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-01-14 19:02:32,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:02:32,033 INFO L225 Difference]: With dead ends: 20 [2019-01-14 19:02:32,033 INFO L226 Difference]: Without dead ends: 20 [2019-01-14 19:02:32,034 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-14 19:02:32,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-01-14 19:02:32,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-01-14 19:02:32,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-01-14 19:02:32,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2019-01-14 19:02:32,038 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 16 [2019-01-14 19:02:32,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:02:32,038 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2019-01-14 19:02:32,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:02:32,039 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-01-14 19:02:32,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-14 19:02:32,039 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:02:32,040 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:02:32,040 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr15ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION]=== [2019-01-14 19:02:32,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:02:32,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1719160447, now seen corresponding path program 1 times [2019-01-14 19:02:32,040 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:02:32,041 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:02:32,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:02:32,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:02:32,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:02:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:02:32,375 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 19:02:32,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:02:32,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:02:32,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-14 19:02:32,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 19:02:32,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-14 19:02:32,377 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 6 states. [2019-01-14 19:02:32,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:02:32,670 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2019-01-14 19:02:32,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 19:02:32,671 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-01-14 19:02:32,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:02:32,672 INFO L225 Difference]: With dead ends: 19 [2019-01-14 19:02:32,672 INFO L226 Difference]: Without dead ends: 0 [2019-01-14 19:02:32,673 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-01-14 19:02:32,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-14 19:02:32,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-14 19:02:32,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-14 19:02:32,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 19:02:32,674 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2019-01-14 19:02:32,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:02:32,674 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 19:02:32,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-14 19:02:32,675 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-14 19:02:32,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 19:02:32,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 07:02:32 BoogieIcfgContainer [2019-01-14 19:02:32,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 19:02:32,680 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 19:02:32,680 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 19:02:32,680 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 19:02:32,681 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:02:30" (3/4) ... [2019-01-14 19:02:32,684 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 19:02:32,690 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-01-14 19:02:32,691 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-01-14 19:02:32,695 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-01-14 19:02:32,696 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-14 19:02:32,696 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-14 19:02:32,743 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 19:02:32,744 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 19:02:32,747 INFO L168 Benchmark]: Toolchain (without parser) took 4039.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 951.4 MB in the beginning and 986.2 MB in the end (delta: -34.8 MB). Peak memory consumption was 107.8 MB. Max. memory is 11.5 GB. [2019-01-14 19:02:32,749 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 19:02:32,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.81 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 924.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-01-14 19:02:32,753 INFO L168 Benchmark]: Boogie Preprocessor took 123.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -206.4 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-01-14 19:02:32,754 INFO L168 Benchmark]: RCFGBuilder took 706.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2019-01-14 19:02:32,754 INFO L168 Benchmark]: TraceAbstraction took 2569.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.8 MB in the end (delta: 99.6 MB). Peak memory consumption was 99.6 MB. Max. memory is 11.5 GB. [2019-01-14 19:02:32,758 INFO L168 Benchmark]: Witness Printer took 63.90 ms. Allocated memory is still 1.2 GB. Free memory was 992.8 MB in the beginning and 986.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-14 19:02:32,765 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 568.81 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 924.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 123.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -206.4 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 706.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2569.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.8 MB in the end (delta: 99.6 MB). Peak memory consumption was 99.6 MB. Max. memory is 11.5 GB. * Witness Printer took 63.90 ms. Allocated memory is still 1.2 GB. Free memory was 992.8 MB in the beginning and 986.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 634]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 634]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 636]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 639]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 636]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 620]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 637]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 637]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 639]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 639]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 639]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 630]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 630]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 639]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 632]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 632]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 38 locations, 16 error locations. SAFE Result, 2.5s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 87 SDtfs, 112 SDslu, 93 SDs, 0 SdLazy, 122 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 6846 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...