./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/array-memsafety/java_BubbleSort-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/array-memsafety/java_BubbleSort-alloca_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 65401fe061f89bb729dffabf74050dfab9fe7d77 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 17:12:57,655 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 17:12:57,657 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 17:12:57,674 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 17:12:57,674 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 17:12:57,675 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 17:12:57,677 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 17:12:57,679 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 17:12:57,681 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 17:12:57,681 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 17:12:57,682 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 17:12:57,683 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 17:12:57,684 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 17:12:57,685 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 17:12:57,686 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 17:12:57,687 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 17:12:57,688 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 17:12:57,690 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 17:12:57,692 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 17:12:57,694 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 17:12:57,695 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 17:12:57,696 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 17:12:57,699 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 17:12:57,699 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 17:12:57,700 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 17:12:57,701 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 17:12:57,702 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 17:12:57,703 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 17:12:57,704 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 17:12:57,705 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 17:12:57,706 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 17:12:57,706 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 17:12:57,707 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 17:12:57,707 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 17:12:57,708 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 17:12:57,709 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 17:12:57,709 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-01 17:12:57,726 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 17:12:57,726 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 17:12:57,727 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 17:12:57,727 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 17:12:57,728 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 17:12:57,728 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 17:12:57,728 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 17:12:57,728 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 17:12:57,729 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 17:12:57,729 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 17:12:57,729 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 17:12:57,729 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 17:12:57,729 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 17:12:57,730 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 17:12:57,731 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 17:12:57,731 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 17:12:57,731 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 17:12:57,731 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 17:12:57,731 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 17:12:57,732 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 17:12:57,732 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 17:12:57,733 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 17:12:57,733 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 17:12:57,733 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 17:12:57,733 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 17:12:57,733 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 17:12:57,734 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 -> 65401fe061f89bb729dffabf74050dfab9fe7d77 [2019-01-01 17:12:57,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 17:12:57,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 17:12:57,792 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 17:12:57,794 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 17:12:57,794 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 17:12:57,795 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-memsafety/java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2019-01-01 17:12:57,864 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5240c186/c85202d9fe2842acb284ac31cc7e790f/FLAGcc3eee7fb [2019-01-01 17:12:58,400 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 17:12:58,401 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/array-memsafety/java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2019-01-01 17:12:58,415 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5240c186/c85202d9fe2842acb284ac31cc7e790f/FLAGcc3eee7fb [2019-01-01 17:12:58,729 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5240c186/c85202d9fe2842acb284ac31cc7e790f [2019-01-01 17:12:58,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 17:12:58,734 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 17:12:58,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 17:12:58,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 17:12:58,739 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 17:12:58,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:12:58" (1/1) ... [2019-01-01 17:12:58,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22eac36e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:58, skipping insertion in model container [2019-01-01 17:12:58,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:12:58" (1/1) ... [2019-01-01 17:12:58,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 17:12:58,804 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 17:12:59,132 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:12:59,144 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 17:12:59,221 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:12:59,276 INFO L195 MainTranslator]: Completed translation [2019-01-01 17:12:59,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:59 WrapperNode [2019-01-01 17:12:59,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 17:12:59,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 17:12:59,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 17:12:59,278 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 17:12:59,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:59" (1/1) ... [2019-01-01 17:12:59,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:59" (1/1) ... [2019-01-01 17:12:59,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:59" (1/1) ... [2019-01-01 17:12:59,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:59" (1/1) ... [2019-01-01 17:12:59,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:59" (1/1) ... [2019-01-01 17:12:59,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:59" (1/1) ... [2019-01-01 17:12:59,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:59" (1/1) ... [2019-01-01 17:12:59,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 17:12:59,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 17:12:59,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 17:12:59,414 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 17:12:59,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 17:12:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 17:12:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 17:12:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-01 17:12:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-01 17:12:59,479 INFO L138 BoogieDeclarations]: Found implementation of procedure sort [2019-01-01 17:12:59,479 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 17:12:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-01 17:12:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-01 17:12:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 17:12:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 17:12:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 17:12:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 17:12:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 17:12:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 17:12:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 17:12:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 17:12:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 17:12:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 17:12:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 17:12:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 17:12:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 17:12:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 17:12:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 17:12:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 17:12:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 17:12:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 17:12:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 17:12:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 17:12:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 17:12:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 17:12:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 17:12:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 17:12:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 17:12:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 17:12:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 17:12:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 17:12:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 17:12:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 17:12:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 17:12:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 17:12:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 17:12:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 17:12:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 17:12:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 17:12:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 17:12:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 17:12:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 17:12:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 17:12:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 17:12:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 17:12:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 17:12:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 17:12:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 17:12:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 17:12:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 17:12:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 17:12:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 17:12:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 17:12:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 17:12:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 17:12:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 17:12:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 17:12:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 17:12:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 17:12:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 17:12:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 17:12:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 17:12:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 17:12:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 17:12:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 17:12:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 17:12:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 17:12:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 17:12:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 17:12:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 17:12:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 17:12:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 17:12:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 17:12:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 17:12:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 17:12:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 17:12:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 17:12:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 17:12:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 17:12:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 17:12:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 17:12:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 17:12:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 17:12:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 17:12:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 17:12:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 17:12:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 17:12:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 17:12:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 17:12:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 17:12:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 17:12:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 17:12:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 17:12:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 17:12:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 17:12:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 17:12:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 17:12:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 17:12:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 17:12:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 17:12:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 17:12:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 17:12:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 17:12:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 17:12:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure sort [2019-01-01 17:12:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-01 17:12:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 17:12:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 17:12:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 17:12:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 17:12:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 17:12:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 17:13:00,295 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 17:13:00,295 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2019-01-01 17:13:00,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:13:00 BoogieIcfgContainer [2019-01-01 17:13:00,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 17:13:00,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 17:13:00,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 17:13:00,300 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 17:13:00,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 05:12:58" (1/3) ... [2019-01-01 17:13:00,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d149d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:13:00, skipping insertion in model container [2019-01-01 17:13:00,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:59" (2/3) ... [2019-01-01 17:13:00,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d149d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:13:00, skipping insertion in model container [2019-01-01 17:13:00,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:13:00" (3/3) ... [2019-01-01 17:13:00,304 INFO L112 eAbstractionObserver]: Analyzing ICFG java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2019-01-01 17:13:00,314 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 17:13:00,323 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2019-01-01 17:13:00,341 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2019-01-01 17:13:00,368 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 17:13:00,369 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 17:13:00,369 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 17:13:00,369 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 17:13:00,370 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 17:13:00,370 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 17:13:00,370 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 17:13:00,370 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 17:13:00,370 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 17:13:00,387 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2019-01-01 17:13:00,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-01 17:13:00,397 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:13:00,398 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:13:00,400 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, sortErr2REQUIRES_VIOLATION, sortErr3REQUIRES_VIOLATION, sortErr8REQUIRES_VIOLATION, sortErr1REQUIRES_VIOLATION, sortErr6REQUIRES_VIOLATION, sortErr7REQUIRES_VIOLATION, sortErr5REQUIRES_VIOLATION, sortErr11REQUIRES_VIOLATION, sortErr10REQUIRES_VIOLATION, sortErr0REQUIRES_VIOLATION, sortErr9REQUIRES_VIOLATION, sortErr4REQUIRES_VIOLATION]=== [2019-01-01 17:13:00,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:13:00,406 INFO L82 PathProgramCache]: Analyzing trace with hash -682162729, now seen corresponding path program 1 times [2019-01-01 17:13:00,408 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:13:00,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:13:00,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:13:00,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:13:00,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:13:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:13:00,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:13:00,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:13:00,642 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 17:13:00,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 17:13:00,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 17:13:00,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 17:13:00,666 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 5 states. [2019-01-01 17:13:00,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:13:00,930 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2019-01-01 17:13:00,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 17:13:00,935 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-01-01 17:13:00,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:13:00,947 INFO L225 Difference]: With dead ends: 37 [2019-01-01 17:13:00,948 INFO L226 Difference]: Without dead ends: 34 [2019-01-01 17:13:00,950 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-01-01 17:13:00,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-01-01 17:13:00,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-01-01 17:13:00,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-01-01 17:13:00,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2019-01-01 17:13:00,993 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 13 [2019-01-01 17:13:00,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:13:00,993 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2019-01-01 17:13:00,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 17:13:00,993 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2019-01-01 17:13:00,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-01 17:13:00,994 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:13:00,994 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:13:00,995 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, sortErr2REQUIRES_VIOLATION, sortErr3REQUIRES_VIOLATION, sortErr8REQUIRES_VIOLATION, sortErr1REQUIRES_VIOLATION, sortErr6REQUIRES_VIOLATION, sortErr7REQUIRES_VIOLATION, sortErr5REQUIRES_VIOLATION, sortErr11REQUIRES_VIOLATION, sortErr10REQUIRES_VIOLATION, sortErr0REQUIRES_VIOLATION, sortErr9REQUIRES_VIOLATION, sortErr4REQUIRES_VIOLATION]=== [2019-01-01 17:13:00,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:13:00,995 INFO L82 PathProgramCache]: Analyzing trace with hash -682162728, now seen corresponding path program 1 times [2019-01-01 17:13:00,995 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:13:00,995 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:13:00,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:13:00,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:13:00,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:13:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:13:01,350 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-01 17:13:01,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:13:01,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:13:01,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 17:13:01,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 17:13:01,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 17:13:01,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-01 17:13:01,375 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand 6 states. [2019-01-01 17:13:01,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:13:01,454 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2019-01-01 17:13:01,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 17:13:01,456 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-01-01 17:13:01,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:13:01,457 INFO L225 Difference]: With dead ends: 43 [2019-01-01 17:13:01,457 INFO L226 Difference]: Without dead ends: 43 [2019-01-01 17:13:01,458 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-01-01 17:13:01,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-01 17:13:01,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2019-01-01 17:13:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-01-01 17:13:01,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2019-01-01 17:13:01,467 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 13 [2019-01-01 17:13:01,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:13:01,467 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2019-01-01 17:13:01,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 17:13:01,467 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2019-01-01 17:13:01,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-01 17:13:01,468 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:13:01,468 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:13:01,469 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, sortErr2REQUIRES_VIOLATION, sortErr3REQUIRES_VIOLATION, sortErr8REQUIRES_VIOLATION, sortErr1REQUIRES_VIOLATION, sortErr6REQUIRES_VIOLATION, sortErr7REQUIRES_VIOLATION, sortErr5REQUIRES_VIOLATION, sortErr11REQUIRES_VIOLATION, sortErr10REQUIRES_VIOLATION, sortErr0REQUIRES_VIOLATION, sortErr9REQUIRES_VIOLATION, sortErr4REQUIRES_VIOLATION]=== [2019-01-01 17:13:01,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:13:01,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1092844634, now seen corresponding path program 1 times [2019-01-01 17:13:01,469 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:13:01,470 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:13:01,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:13:01,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:13:01,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:13:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:13:01,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:13:01,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:13:01,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 17:13:01,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 17:13:01,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 17:13:01,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-01 17:13:01,751 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 7 states. [2019-01-01 17:13:02,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:13:02,204 INFO L93 Difference]: Finished difference Result 58 states and 64 transitions. [2019-01-01 17:13:02,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 17:13:02,206 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-01-01 17:13:02,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:13:02,209 INFO L225 Difference]: With dead ends: 58 [2019-01-01 17:13:02,209 INFO L226 Difference]: Without dead ends: 58 [2019-01-01 17:13:02,210 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-01-01 17:13:02,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-01-01 17:13:02,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 48. [2019-01-01 17:13:02,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-01-01 17:13:02,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 55 transitions. [2019-01-01 17:13:02,219 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 55 transitions. Word has length 13 [2019-01-01 17:13:02,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:13:02,219 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 55 transitions. [2019-01-01 17:13:02,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 17:13:02,219 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2019-01-01 17:13:02,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-01 17:13:02,220 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:13:02,220 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:13:02,221 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, sortErr2REQUIRES_VIOLATION, sortErr3REQUIRES_VIOLATION, sortErr8REQUIRES_VIOLATION, sortErr1REQUIRES_VIOLATION, sortErr6REQUIRES_VIOLATION, sortErr7REQUIRES_VIOLATION, sortErr5REQUIRES_VIOLATION, sortErr11REQUIRES_VIOLATION, sortErr10REQUIRES_VIOLATION, sortErr0REQUIRES_VIOLATION, sortErr9REQUIRES_VIOLATION, sortErr4REQUIRES_VIOLATION]=== [2019-01-01 17:13:02,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:13:02,221 INFO L82 PathProgramCache]: Analyzing trace with hash -481554738, now seen corresponding path program 1 times [2019-01-01 17:13:02,221 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:13:02,221 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:13:02,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:13:02,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:13:02,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:13:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:13:02,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:13:02,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:13:02,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 17:13:02,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 17:13:02,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 17:13:02,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-01-01 17:13:02,434 INFO L87 Difference]: Start difference. First operand 48 states and 55 transitions. Second operand 7 states. [2019-01-01 17:13:02,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:13:02,859 INFO L93 Difference]: Finished difference Result 88 states and 103 transitions. [2019-01-01 17:13:02,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 17:13:02,860 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2019-01-01 17:13:02,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:13:02,862 INFO L225 Difference]: With dead ends: 88 [2019-01-01 17:13:02,862 INFO L226 Difference]: Without dead ends: 88 [2019-01-01 17:13:02,863 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-01-01 17:13:02,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-01-01 17:13:02,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 74. [2019-01-01 17:13:02,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-01-01 17:13:02,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 89 transitions. [2019-01-01 17:13:02,874 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 89 transitions. Word has length 14 [2019-01-01 17:13:02,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:13:02,874 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 89 transitions. [2019-01-01 17:13:02,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 17:13:02,874 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 89 transitions. [2019-01-01 17:13:02,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-01-01 17:13:02,875 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:13:02,875 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:13:02,875 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, sortErr2REQUIRES_VIOLATION, sortErr3REQUIRES_VIOLATION, sortErr8REQUIRES_VIOLATION, sortErr1REQUIRES_VIOLATION, sortErr6REQUIRES_VIOLATION, sortErr7REQUIRES_VIOLATION, sortErr5REQUIRES_VIOLATION, sortErr11REQUIRES_VIOLATION, sortErr10REQUIRES_VIOLATION, sortErr0REQUIRES_VIOLATION, sortErr9REQUIRES_VIOLATION, sortErr4REQUIRES_VIOLATION]=== [2019-01-01 17:13:02,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:13:02,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1570848220, now seen corresponding path program 1 times [2019-01-01 17:13:02,876 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:13:02,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:13:02,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:13:02,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:13:02,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:13:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:13:02,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:13:02,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:13:02,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 17:13:02,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 17:13:02,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 17:13:02,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 17:13:02,957 INFO L87 Difference]: Start difference. First operand 74 states and 89 transitions. Second operand 4 states. [2019-01-01 17:13:03,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:13:03,057 INFO L93 Difference]: Finished difference Result 73 states and 88 transitions. [2019-01-01 17:13:03,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-01 17:13:03,058 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-01-01 17:13:03,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:13:03,060 INFO L225 Difference]: With dead ends: 73 [2019-01-01 17:13:03,060 INFO L226 Difference]: Without dead ends: 63 [2019-01-01 17:13:03,061 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 17:13:03,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-01-01 17:13:03,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-01-01 17:13:03,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-01-01 17:13:03,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2019-01-01 17:13:03,069 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 15 [2019-01-01 17:13:03,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:13:03,070 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2019-01-01 17:13:03,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 17:13:03,070 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2019-01-01 17:13:03,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-01 17:13:03,071 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:13:03,071 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:13:03,071 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, sortErr2REQUIRES_VIOLATION, sortErr3REQUIRES_VIOLATION, sortErr8REQUIRES_VIOLATION, sortErr1REQUIRES_VIOLATION, sortErr6REQUIRES_VIOLATION, sortErr7REQUIRES_VIOLATION, sortErr5REQUIRES_VIOLATION, sortErr11REQUIRES_VIOLATION, sortErr10REQUIRES_VIOLATION, sortErr0REQUIRES_VIOLATION, sortErr9REQUIRES_VIOLATION, sortErr4REQUIRES_VIOLATION]=== [2019-01-01 17:13:03,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:13:03,071 INFO L82 PathProgramCache]: Analyzing trace with hash 770347889, now seen corresponding path program 1 times [2019-01-01 17:13:03,072 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:13:03,072 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:13:03,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:13:03,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:13:03,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:13:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:13:03,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:13:03,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:13:03,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 17:13:03,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 17:13:03,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 17:13:03,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-01 17:13:03,167 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand 5 states. [2019-01-01 17:13:03,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:13:03,295 INFO L93 Difference]: Finished difference Result 73 states and 83 transitions. [2019-01-01 17:13:03,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 17:13:03,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-01-01 17:13:03,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:13:03,296 INFO L225 Difference]: With dead ends: 73 [2019-01-01 17:13:03,297 INFO L226 Difference]: Without dead ends: 73 [2019-01-01 17:13:03,297 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-01-01 17:13:03,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-01-01 17:13:03,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 42. [2019-01-01 17:13:03,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-01 17:13:03,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2019-01-01 17:13:03,302 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 18 [2019-01-01 17:13:03,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:13:03,303 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2019-01-01 17:13:03,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 17:13:03,303 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2019-01-01 17:13:03,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-01 17:13:03,304 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:13:03,304 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:13:03,304 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, sortErr2REQUIRES_VIOLATION, sortErr3REQUIRES_VIOLATION, sortErr8REQUIRES_VIOLATION, sortErr1REQUIRES_VIOLATION, sortErr6REQUIRES_VIOLATION, sortErr7REQUIRES_VIOLATION, sortErr5REQUIRES_VIOLATION, sortErr11REQUIRES_VIOLATION, sortErr10REQUIRES_VIOLATION, sortErr0REQUIRES_VIOLATION, sortErr9REQUIRES_VIOLATION, sortErr4REQUIRES_VIOLATION]=== [2019-01-01 17:13:03,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:13:03,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1154332924, now seen corresponding path program 1 times [2019-01-01 17:13:03,305 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:13:03,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:13:03,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:13:03,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:13:03,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:13:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:13:03,693 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:13:03,694 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 17:13:03,694 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-01 17:13:03,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:13:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:13:03,758 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 17:13:03,866 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:13:03,897 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 17:13:03,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2019-01-01 17:13:03,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-01 17:13:03,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-01 17:13:03,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-01-01 17:13:03,899 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand 12 states. [2019-01-01 17:13:05,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:13:05,053 INFO L93 Difference]: Finished difference Result 89 states and 97 transitions. [2019-01-01 17:13:05,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-01-01 17:13:05,054 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2019-01-01 17:13:05,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:13:05,055 INFO L225 Difference]: With dead ends: 89 [2019-01-01 17:13:05,055 INFO L226 Difference]: Without dead ends: 0 [2019-01-01 17:13:05,056 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=268, Invalid=724, Unknown=0, NotChecked=0, Total=992 [2019-01-01 17:13:05,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-01 17:13:05,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-01 17:13:05,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-01 17:13:05,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 17:13:05,058 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2019-01-01 17:13:05,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:13:05,058 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 17:13:05,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-01 17:13:05,058 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-01 17:13:05,058 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 17:13:05,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 05:13:05 BoogieIcfgContainer [2019-01-01 17:13:05,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 17:13:05,065 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 17:13:05,065 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 17:13:05,065 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 17:13:05,066 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:13:00" (3/4) ... [2019-01-01 17:13:05,070 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 17:13:05,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-01-01 17:13:05,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-01-01 17:13:05,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-01-01 17:13:05,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-01-01 17:13:05,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sort [2019-01-01 17:13:05,083 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-01-01 17:13:05,083 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-01-01 17:13:05,084 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-01 17:13:05,136 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 17:13:05,137 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 17:13:05,138 INFO L168 Benchmark]: Toolchain (without parser) took 6404.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 952.7 MB in the beginning and 844.4 MB in the end (delta: 108.3 MB). Peak memory consumption was 243.1 MB. Max. memory is 11.5 GB. [2019-01-01 17:13:05,139 INFO L168 Benchmark]: CDTParser took 0.17 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. [2019-01-01 17:13:05,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.14 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 931.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-01-01 17:13:05,140 INFO L168 Benchmark]: Boogie Preprocessor took 135.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-01-01 17:13:05,141 INFO L168 Benchmark]: RCFGBuilder took 882.48 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: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2019-01-01 17:13:05,141 INFO L168 Benchmark]: TraceAbstraction took 4767.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 851.1 MB in the end (delta: 230.8 MB). Peak memory consumption was 230.8 MB. Max. memory is 11.5 GB. [2019-01-01 17:13:05,143 INFO L168 Benchmark]: Witness Printer took 72.07 ms. Allocated memory is still 1.2 GB. Free memory was 851.1 MB in the beginning and 844.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 17:13:05,147 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 542.14 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 931.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 135.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 882.48 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: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4767.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 851.1 MB in the end (delta: 230.8 MB). Peak memory consumption was 230.8 MB. Max. memory is 11.5 GB. * Witness Printer took 72.07 ms. Allocated memory is still 1.2 GB. Free memory was 851.1 MB in the beginning and 844.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 549]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 49 locations, 13 error locations. SAFE Result, 4.7s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 2.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 171 SDtfs, 536 SDslu, 336 SDs, 0 SdLazy, 446 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=4, 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, 7 MinimizatonAttempts, 58 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 8057 SizeOfPredicates, 3 NumberOfNonLiveVariables, 94 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 12/14 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...