./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/array-memsafety/cstrpbrk_unsafe_false-valid-deref.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 91b1670e 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/cstrpbrk_unsafe_false-valid-deref.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 3d5e76e59f87104cc83de8acda77b849da7d1b09 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 22:43:08,098 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 22:43:08,100 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 22:43:08,113 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 22:43:08,113 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 22:43:08,115 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 22:43:08,116 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 22:43:08,118 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 22:43:08,120 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 22:43:08,121 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 22:43:08,123 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 22:43:08,123 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 22:43:08,124 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 22:43:08,125 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 22:43:08,126 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 22:43:08,127 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 22:43:08,128 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 22:43:08,130 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 22:43:08,133 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 22:43:08,134 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 22:43:08,136 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 22:43:08,137 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 22:43:08,140 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 22:43:08,141 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 22:43:08,141 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 22:43:08,142 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 22:43:08,143 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 22:43:08,144 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 22:43:08,145 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 22:43:08,147 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 22:43:08,147 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 22:43:08,148 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 22:43:08,148 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 22:43:08,148 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 22:43:08,149 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 22:43:08,150 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 22:43:08,151 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 22:43:08,166 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 22:43:08,167 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 22:43:08,167 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 22:43:08,168 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 22:43:08,169 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 22:43:08,169 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 22:43:08,169 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 22:43:08,169 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 22:43:08,169 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 22:43:08,170 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 22:43:08,170 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 22:43:08,170 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 22:43:08,170 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 22:43:08,170 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 22:43:08,170 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 22:43:08,171 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 22:43:08,171 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 22:43:08,171 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 22:43:08,171 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 22:43:08,172 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 22:43:08,172 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 22:43:08,172 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 22:43:08,172 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 22:43:08,172 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:43:08,173 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 22:43:08,173 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 22:43:08,173 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 22:43:08,173 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 22:43:08,173 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 -> 3d5e76e59f87104cc83de8acda77b849da7d1b09 [2018-11-28 22:43:08,218 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 22:43:08,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 22:43:08,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 22:43:08,236 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 22:43:08,237 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 22:43:08,238 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-memsafety/cstrpbrk_unsafe_false-valid-deref.i [2018-11-28 22:43:08,310 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1b5450c8/8f9dc74996a44334834045e239a3b3b9/FLAGed352e64d [2018-11-28 22:43:08,874 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 22:43:08,875 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/array-memsafety/cstrpbrk_unsafe_false-valid-deref.i [2018-11-28 22:43:08,892 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1b5450c8/8f9dc74996a44334834045e239a3b3b9/FLAGed352e64d [2018-11-28 22:43:09,161 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1b5450c8/8f9dc74996a44334834045e239a3b3b9 [2018-11-28 22:43:09,166 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 22:43:09,168 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 22:43:09,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 22:43:09,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 22:43:09,174 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 22:43:09,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:43:09" (1/1) ... [2018-11-28 22:43:09,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56eb6954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:09, skipping insertion in model container [2018-11-28 22:43:09,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:43:09" (1/1) ... [2018-11-28 22:43:09,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 22:43:09,228 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 22:43:09,590 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:43:09,605 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 22:43:09,681 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:43:09,822 INFO L195 MainTranslator]: Completed translation [2018-11-28 22:43:09,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:09 WrapperNode [2018-11-28 22:43:09,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 22:43:09,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 22:43:09,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 22:43:09,825 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 22:43:09,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:09" (1/1) ... [2018-11-28 22:43:09,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:09" (1/1) ... [2018-11-28 22:43:09,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:09" (1/1) ... [2018-11-28 22:43:09,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:09" (1/1) ... [2018-11-28 22:43:09,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:09" (1/1) ... [2018-11-28 22:43:09,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:09" (1/1) ... [2018-11-28 22:43:09,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:09" (1/1) ... [2018-11-28 22:43:09,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 22:43:09,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 22:43:09,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 22:43:09,889 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 22:43:09,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:09" (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 [2018-11-28 22:43:09,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 22:43:09,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 22:43:09,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 22:43:09,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 22:43:09,951 INFO L138 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2018-11-28 22:43:09,951 INFO L138 BoogieDeclarations]: Found implementation of procedure cstrpbrk [2018-11-28 22:43:09,951 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 22:43:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 22:43:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 22:43:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 22:43:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 22:43:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 22:43:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 22:43:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 22:43:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 22:43:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 22:43:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 22:43:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 22:43:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 22:43:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 22:43:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 22:43:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 22:43:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 22:43:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 22:43:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 22:43:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 22:43:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 22:43:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 22:43:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 22:43:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 22:43:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 22:43:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 22:43:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 22:43:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 22:43:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 22:43:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 22:43:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 22:43:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 22:43:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 22:43:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 22:43:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 22:43:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 22:43:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 22:43:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 22:43:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 22:43:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 22:43:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 22:43:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 22:43:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 22:43:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 22:43:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 22:43:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 22:43:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 22:43:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 22:43:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 22:43:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 22:43:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 22:43:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 22:43:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 22:43:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 22:43:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 22:43:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 22:43:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 22:43:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 22:43:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 22:43:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 22:43:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 22:43:09,963 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 22:43:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 22:43:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 22:43:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 22:43:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 22:43:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 22:43:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 22:43:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 22:43:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 22:43:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 22:43:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 22:43:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 22:43:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 22:43:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 22:43:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 22:43:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 22:43:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 22:43:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 22:43:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 22:43:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 22:43:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 22:43:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 22:43:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 22:43:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 22:43:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 22:43:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 22:43:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 22:43:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 22:43:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 22:43:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 22:43:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 22:43:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 22:43:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 22:43:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 22:43:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 22:43:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 22:43:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 22:43:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 22:43:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 22:43:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 22:43:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 22:43:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 22:43:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 22:43:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure build_nondet_String [2018-11-28 22:43:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 22:43:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 22:43:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure cstrpbrk [2018-11-28 22:43:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 22:43:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 22:43:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 22:43:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 22:43:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 22:43:10,722 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 22:43:10,722 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 22:43:10,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:43:10 BoogieIcfgContainer [2018-11-28 22:43:10,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 22:43:10,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 22:43:10,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 22:43:10,728 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 22:43:10,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:43:09" (1/3) ... [2018-11-28 22:43:10,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794bb7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:43:10, skipping insertion in model container [2018-11-28 22:43:10,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:09" (2/3) ... [2018-11-28 22:43:10,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794bb7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:43:10, skipping insertion in model container [2018-11-28 22:43:10,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:43:10" (3/3) ... [2018-11-28 22:43:10,733 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrpbrk_unsafe_false-valid-deref.i [2018-11-28 22:43:10,744 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 22:43:10,753 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-11-28 22:43:10,770 INFO L257 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2018-11-28 22:43:10,798 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 22:43:10,798 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 22:43:10,799 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 22:43:10,799 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 22:43:10,800 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 22:43:10,800 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 22:43:10,800 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 22:43:10,800 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 22:43:10,800 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 22:43:10,816 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2018-11-28 22:43:10,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 22:43:10,826 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:43:10,827 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:43:10,831 INFO L423 AbstractCegarLoop]: === Iteration 1 === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, cstrpbrkErr7REQUIRES_VIOLATION, cstrpbrkErr2REQUIRES_VIOLATION, cstrpbrkErr3REQUIRES_VIOLATION, cstrpbrkErr8REQUIRES_VIOLATION, cstrpbrkErr9REQUIRES_VIOLATION, cstrpbrkErr4REQUIRES_VIOLATION, cstrpbrkErr5REQUIRES_VIOLATION, cstrpbrkErr0REQUIRES_VIOLATION, cstrpbrkErr6REQUIRES_VIOLATION, cstrpbrkErr1REQUIRES_VIOLATION, mainErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 22:43:10,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:43:10,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1116951902, now seen corresponding path program 1 times [2018-11-28 22:43:10,841 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:43:10,841 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:43:10,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:10,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:43:10,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:43:11,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:43:11,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:43:11,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 22:43:11,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 22:43:11,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 22:43:11,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 22:43:11,069 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 3 states. [2018-11-28 22:43:11,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:43:11,236 INFO L93 Difference]: Finished difference Result 62 states and 67 transitions. [2018-11-28 22:43:11,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 22:43:11,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-28 22:43:11,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:43:11,247 INFO L225 Difference]: With dead ends: 62 [2018-11-28 22:43:11,247 INFO L226 Difference]: Without dead ends: 59 [2018-11-28 22:43:11,249 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 [2018-11-28 22:43:11,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-11-28 22:43:11,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-11-28 22:43:11,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-11-28 22:43:11,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2018-11-28 22:43:11,287 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 64 transitions. Word has length 10 [2018-11-28 22:43:11,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:43:11,287 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 64 transitions. [2018-11-28 22:43:11,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 22:43:11,287 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2018-11-28 22:43:11,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 22:43:11,288 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:43:11,288 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:43:11,288 INFO L423 AbstractCegarLoop]: === Iteration 2 === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, cstrpbrkErr7REQUIRES_VIOLATION, cstrpbrkErr2REQUIRES_VIOLATION, cstrpbrkErr3REQUIRES_VIOLATION, cstrpbrkErr8REQUIRES_VIOLATION, cstrpbrkErr9REQUIRES_VIOLATION, cstrpbrkErr4REQUIRES_VIOLATION, cstrpbrkErr5REQUIRES_VIOLATION, cstrpbrkErr0REQUIRES_VIOLATION, cstrpbrkErr6REQUIRES_VIOLATION, cstrpbrkErr1REQUIRES_VIOLATION, mainErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 22:43:11,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:43:11,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1116951903, now seen corresponding path program 1 times [2018-11-28 22:43:11,289 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:43:11,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:43:11,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:11,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:43:11,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:43:11,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:43:11,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:43:11,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 22:43:11,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 22:43:11,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 22:43:11,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 22:43:11,446 INFO L87 Difference]: Start difference. First operand 59 states and 64 transitions. Second operand 4 states. [2018-11-28 22:43:11,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:43:11,482 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2018-11-28 22:43:11,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 22:43:11,484 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-11-28 22:43:11,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:43:11,486 INFO L225 Difference]: With dead ends: 58 [2018-11-28 22:43:11,487 INFO L226 Difference]: Without dead ends: 58 [2018-11-28 22:43:11,488 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 22:43:11,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-11-28 22:43:11,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-11-28 22:43:11,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-11-28 22:43:11,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 63 transitions. [2018-11-28 22:43:11,499 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 63 transitions. Word has length 10 [2018-11-28 22:43:11,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:43:11,499 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 63 transitions. [2018-11-28 22:43:11,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 22:43:11,501 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2018-11-28 22:43:11,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-28 22:43:11,504 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:43:11,504 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:43:11,505 INFO L423 AbstractCegarLoop]: === Iteration 3 === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, cstrpbrkErr7REQUIRES_VIOLATION, cstrpbrkErr2REQUIRES_VIOLATION, cstrpbrkErr3REQUIRES_VIOLATION, cstrpbrkErr8REQUIRES_VIOLATION, cstrpbrkErr9REQUIRES_VIOLATION, cstrpbrkErr4REQUIRES_VIOLATION, cstrpbrkErr5REQUIRES_VIOLATION, cstrpbrkErr0REQUIRES_VIOLATION, cstrpbrkErr6REQUIRES_VIOLATION, cstrpbrkErr1REQUIRES_VIOLATION, mainErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 22:43:11,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:43:11,505 INFO L82 PathProgramCache]: Analyzing trace with hash 864512224, now seen corresponding path program 1 times [2018-11-28 22:43:11,505 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:43:11,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:43:11,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:11,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:43:11,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:43:12,189 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:43:12,189 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 22:43:12,190 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 [2018-11-28 22:43:12,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:43:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:43:12,267 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:43:15,610 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-28 22:43:15,611 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 22:43:15,624 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 22:43:15,624 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:11 [2018-11-28 22:43:15,683 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:43:15,715 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 22:43:15,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 13 [2018-11-28 22:43:15,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 22:43:15,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 22:43:15,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=140, Unknown=6, NotChecked=0, Total=182 [2018-11-28 22:43:15,717 INFO L87 Difference]: Start difference. First operand 58 states and 63 transitions. Second operand 14 states. [2018-11-28 22:43:16,691 WARN L180 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-11-28 22:43:17,175 WARN L180 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-11-28 22:43:22,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:43:22,549 INFO L93 Difference]: Finished difference Result 58 states and 64 transitions. [2018-11-28 22:43:22,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 22:43:22,550 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 26 [2018-11-28 22:43:22,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:43:22,552 INFO L225 Difference]: With dead ends: 58 [2018-11-28 22:43:22,552 INFO L226 Difference]: Without dead ends: 58 [2018-11-28 22:43:22,555 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 22 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=82, Invalid=292, Unknown=6, NotChecked=0, Total=380 [2018-11-28 22:43:22,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-11-28 22:43:22,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 55. [2018-11-28 22:43:22,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-28 22:43:22,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2018-11-28 22:43:22,566 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 60 transitions. Word has length 26 [2018-11-28 22:43:22,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:43:22,568 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 60 transitions. [2018-11-28 22:43:22,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 22:43:22,568 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2018-11-28 22:43:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-28 22:43:22,570 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:43:22,570 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:43:22,570 INFO L423 AbstractCegarLoop]: === Iteration 4 === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, cstrpbrkErr7REQUIRES_VIOLATION, cstrpbrkErr2REQUIRES_VIOLATION, cstrpbrkErr3REQUIRES_VIOLATION, cstrpbrkErr8REQUIRES_VIOLATION, cstrpbrkErr9REQUIRES_VIOLATION, cstrpbrkErr4REQUIRES_VIOLATION, cstrpbrkErr5REQUIRES_VIOLATION, cstrpbrkErr0REQUIRES_VIOLATION, cstrpbrkErr6REQUIRES_VIOLATION, cstrpbrkErr1REQUIRES_VIOLATION, mainErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 22:43:22,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:43:22,571 INFO L82 PathProgramCache]: Analyzing trace with hash 864512225, now seen corresponding path program 1 times [2018-11-28 22:43:22,571 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:43:22,571 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:43:22,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:22,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:43:22,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:43:22,918 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:43:22,918 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 22:43:22,918 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 22:43:22,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:43:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:43:22,967 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 22:43:23,014 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-28 22:43:23,015 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 22:43:23,032 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 22:43:23,032 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-28 22:43:23,681 WARN L854 $PredicateComparison]: unable to prove that (exists ((build_nondet_String_~nondetString~0.base Int)) (= |c_#length| (store |c_old(#length)| build_nondet_String_~nondetString~0.base 1))) is different from true [2018-11-28 22:43:23,701 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-28 22:43:23,702 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 22:43:23,709 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 22:43:23,709 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:17 [2018-11-28 22:43:23,787 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2018-11-28 22:43:23,817 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 22:43:23,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2018-11-28 22:43:23,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-28 22:43:23,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-28 22:43:23,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=449, Unknown=1, NotChecked=42, Total=552 [2018-11-28 22:43:23,819 INFO L87 Difference]: Start difference. First operand 55 states and 60 transitions. Second operand 24 states. [2018-11-28 22:43:24,817 WARN L180 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2018-11-28 22:43:24,997 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2018-11-28 22:43:25,964 WARN L180 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2018-11-28 22:43:27,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:43:27,900 INFO L93 Difference]: Finished difference Result 144 states and 163 transitions. [2018-11-28 22:43:27,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 22:43:27,901 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 26 [2018-11-28 22:43:27,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:43:27,906 INFO L225 Difference]: With dead ends: 144 [2018-11-28 22:43:27,906 INFO L226 Difference]: Without dead ends: 144 [2018-11-28 22:43:27,907 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=169, Invalid=1166, Unknown=1, NotChecked=70, Total=1406 [2018-11-28 22:43:27,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-28 22:43:27,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 57. [2018-11-28 22:43:27,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-11-28 22:43:27,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2018-11-28 22:43:27,918 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 26 [2018-11-28 22:43:27,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:43:27,920 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2018-11-28 22:43:27,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-28 22:43:27,920 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2018-11-28 22:43:27,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-28 22:43:27,922 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:43:27,922 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:43:27,923 INFO L423 AbstractCegarLoop]: === Iteration 5 === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, cstrpbrkErr7REQUIRES_VIOLATION, cstrpbrkErr2REQUIRES_VIOLATION, cstrpbrkErr3REQUIRES_VIOLATION, cstrpbrkErr8REQUIRES_VIOLATION, cstrpbrkErr9REQUIRES_VIOLATION, cstrpbrkErr4REQUIRES_VIOLATION, cstrpbrkErr5REQUIRES_VIOLATION, cstrpbrkErr0REQUIRES_VIOLATION, cstrpbrkErr6REQUIRES_VIOLATION, cstrpbrkErr1REQUIRES_VIOLATION, mainErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 22:43:27,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:43:27,923 INFO L82 PathProgramCache]: Analyzing trace with hash -572060506, now seen corresponding path program 1 times [2018-11-28 22:43:27,923 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:43:27,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:43:27,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:27,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:43:27,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:43:28,077 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 22:43:28,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:43:28,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 22:43:28,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 22:43:28,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 22:43:28,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 22:43:28,079 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand 9 states. [2018-11-28 22:43:28,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:43:28,397 INFO L93 Difference]: Finished difference Result 57 states and 63 transitions. [2018-11-28 22:43:28,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 22:43:28,398 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-11-28 22:43:28,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:43:28,400 INFO L225 Difference]: With dead ends: 57 [2018-11-28 22:43:28,400 INFO L226 Difference]: Without dead ends: 57 [2018-11-28 22:43:28,401 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-28 22:43:28,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-11-28 22:43:28,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2018-11-28 22:43:28,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-28 22:43:28,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions. [2018-11-28 22:43:28,406 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 30 [2018-11-28 22:43:28,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:43:28,407 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions. [2018-11-28 22:43:28,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 22:43:28,407 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2018-11-28 22:43:28,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-28 22:43:28,408 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:43:28,408 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:43:28,408 INFO L423 AbstractCegarLoop]: === Iteration 6 === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, cstrpbrkErr7REQUIRES_VIOLATION, cstrpbrkErr2REQUIRES_VIOLATION, cstrpbrkErr3REQUIRES_VIOLATION, cstrpbrkErr8REQUIRES_VIOLATION, cstrpbrkErr9REQUIRES_VIOLATION, cstrpbrkErr4REQUIRES_VIOLATION, cstrpbrkErr5REQUIRES_VIOLATION, cstrpbrkErr0REQUIRES_VIOLATION, cstrpbrkErr6REQUIRES_VIOLATION, cstrpbrkErr1REQUIRES_VIOLATION, mainErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 22:43:28,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:43:28,409 INFO L82 PathProgramCache]: Analyzing trace with hash -572060505, now seen corresponding path program 1 times [2018-11-28 22:43:28,409 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:43:28,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:43:28,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:28,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:43:28,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:43:28,578 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 22:43:28,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:43:28,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 22:43:28,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 22:43:28,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 22:43:28,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-28 22:43:28,579 INFO L87 Difference]: Start difference. First operand 54 states and 60 transitions. Second operand 10 states. [2018-11-28 22:43:29,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:43:29,178 INFO L93 Difference]: Finished difference Result 112 states and 127 transitions. [2018-11-28 22:43:29,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 22:43:29,179 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2018-11-28 22:43:29,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:43:29,183 INFO L225 Difference]: With dead ends: 112 [2018-11-28 22:43:29,184 INFO L226 Difference]: Without dead ends: 112 [2018-11-28 22:43:29,184 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-11-28 22:43:29,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-11-28 22:43:29,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 93. [2018-11-28 22:43:29,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-11-28 22:43:29,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 114 transitions. [2018-11-28 22:43:29,206 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 114 transitions. Word has length 30 [2018-11-28 22:43:29,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:43:29,207 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 114 transitions. [2018-11-28 22:43:29,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 22:43:29,207 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2018-11-28 22:43:29,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-28 22:43:29,208 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:43:29,208 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:43:29,213 INFO L423 AbstractCegarLoop]: === Iteration 7 === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, cstrpbrkErr7REQUIRES_VIOLATION, cstrpbrkErr2REQUIRES_VIOLATION, cstrpbrkErr3REQUIRES_VIOLATION, cstrpbrkErr8REQUIRES_VIOLATION, cstrpbrkErr9REQUIRES_VIOLATION, cstrpbrkErr4REQUIRES_VIOLATION, cstrpbrkErr5REQUIRES_VIOLATION, cstrpbrkErr0REQUIRES_VIOLATION, cstrpbrkErr6REQUIRES_VIOLATION, cstrpbrkErr1REQUIRES_VIOLATION, mainErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 22:43:29,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:43:29,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1583177755, now seen corresponding path program 1 times [2018-11-28 22:43:29,213 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:43:29,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:43:29,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:29,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:43:29,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:43:29,566 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 22:43:29,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:43:29,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 22:43:29,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 22:43:29,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 22:43:29,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-11-28 22:43:29,568 INFO L87 Difference]: Start difference. First operand 93 states and 114 transitions. Second operand 11 states. [2018-11-28 22:43:29,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:43:29,822 INFO L93 Difference]: Finished difference Result 114 states and 142 transitions. [2018-11-28 22:43:29,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 22:43:29,824 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2018-11-28 22:43:29,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:43:29,825 INFO L225 Difference]: With dead ends: 114 [2018-11-28 22:43:29,826 INFO L226 Difference]: Without dead ends: 114 [2018-11-28 22:43:29,826 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-11-28 22:43:29,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-28 22:43:29,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 60. [2018-11-28 22:43:29,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-11-28 22:43:29,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 68 transitions. [2018-11-28 22:43:29,832 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 68 transitions. Word has length 30 [2018-11-28 22:43:29,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:43:29,833 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 68 transitions. [2018-11-28 22:43:29,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 22:43:29,833 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2018-11-28 22:43:29,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-28 22:43:29,835 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:43:29,835 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:43:29,836 INFO L423 AbstractCegarLoop]: === Iteration 8 === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, cstrpbrkErr7REQUIRES_VIOLATION, cstrpbrkErr2REQUIRES_VIOLATION, cstrpbrkErr3REQUIRES_VIOLATION, cstrpbrkErr8REQUIRES_VIOLATION, cstrpbrkErr9REQUIRES_VIOLATION, cstrpbrkErr4REQUIRES_VIOLATION, cstrpbrkErr5REQUIRES_VIOLATION, cstrpbrkErr0REQUIRES_VIOLATION, cstrpbrkErr6REQUIRES_VIOLATION, cstrpbrkErr1REQUIRES_VIOLATION, mainErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr6ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-28 22:43:29,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:43:29,837 INFO L82 PathProgramCache]: Analyzing trace with hash -554561818, now seen corresponding path program 1 times [2018-11-28 22:43:29,837 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:43:29,837 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:43:29,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:29,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:43:29,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:43:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:43:29,895 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 22:43:29,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:43:29 BoogieIcfgContainer [2018-11-28 22:43:29,935 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 22:43:29,935 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 22:43:29,935 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 22:43:29,935 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 22:43:29,936 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:43:10" (3/4) ... [2018-11-28 22:43:29,940 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 22:43:30,003 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 22:43:30,004 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 22:43:30,005 INFO L168 Benchmark]: Toolchain (without parser) took 20838.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.4 MB). Free memory was 952.7 MB in the beginning and 923.4 MB in the end (delta: 29.2 MB). Peak memory consumption was 231.6 MB. Max. memory is 11.5 GB. [2018-11-28 22:43:30,007 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-11-28 22:43:30,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2018-11-28 22:43:30,008 INFO L168 Benchmark]: Boogie Preprocessor took 63.48 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 22:43:30,009 INFO L168 Benchmark]: RCFGBuilder took 834.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. [2018-11-28 22:43:30,011 INFO L168 Benchmark]: TraceAbstraction took 19209.98 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 923.4 MB in the end (delta: 152.6 MB). Peak memory consumption was 218.7 MB. Max. memory is 11.5 GB. [2018-11-28 22:43:30,011 INFO L168 Benchmark]: Witness Printer took 68.86 ms. Allocated memory is still 1.2 GB. Free memory is still 923.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:43:30,016 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 654.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.48 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 834.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19209.98 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 923.4 MB in the end (delta: 152.6 MB). Peak memory consumption was 218.7 MB. Max. memory is 11.5 GB. * Witness Printer took 68.86 ms. Allocated memory is still 1.2 GB. Free memory is still 923.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 567]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L565] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 VAL [length=1] [L545] char* nondetString = (char*) malloc(length * sizeof(char)); VAL [length=1, malloc(length * sizeof(char))={5:0}, nondetString={5:0}] [L546] nondetString[length-1] = '\0' VAL [length=1, malloc(length * sizeof(char))={5:0}, nondetString={5:0}] [L547] return nondetString; VAL [\result={5:0}, length=1, malloc(length * sizeof(char))={5:0}, nondetString={5:0}] [L565] RET, EXPR build_nondet_String() VAL [build_nondet_String()={5:0}] [L565] char* s1 = build_nondet_String(); [L566] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND TRUE length < 1 [L543] length = 1 VAL [length=1] [L545] char* nondetString = (char*) malloc(length * sizeof(char)); VAL [length=1, malloc(length * sizeof(char))={3:0}, nondetString={3:0}] [L546] nondetString[length-1] = '\0' VAL [length=1, malloc(length * sizeof(char))={3:0}, nondetString={3:0}] [L547] return nondetString; VAL [\result={3:0}, length=1, malloc(length * sizeof(char))={3:0}, nondetString={3:0}] [L566] RET, EXPR build_nondet_String() VAL [build_nondet_String()={3:0}, s1={5:0}] [L566] char* s2 = build_nondet_String(); [L567] CALL cstrpbrk(s1,s2) VAL [s1={5:0}, s2={3:0}] [L551] const char *sc1; [L552] const char *s; [L553] int c; [L554] sc1 = s1 VAL [s1={5:0}, s1={5:0}, s2={3:0}, s2={3:0}, sc1={5:0}] [L554] EXPR \read(*sc1) VAL [\read(*sc1)=0, s1={5:0}, s1={5:0}, s2={3:0}, s2={3:0}, sc1={5:0}] [L554] COND FALSE !(*sc1 != '\0') [L562] return 0; VAL [\result={0:0}, s1={5:0}, s1={5:0}, s2={3:0}, s2={3:0}, sc1={5:0}] [L567] RET cstrpbrk(s1,s2) VAL [cstrpbrk(s1,s2)={0:0}, s1={5:0}, s2={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 69 locations, 19 error locations. UNSAFE Result, 19.1s OverallTime, 8 OverallIterations, 2 TraceHistogramMax, 12.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 307 SDtfs, 832 SDslu, 1079 SDs, 0 SdLazy, 1641 SolverSat, 75 SolverUnsat, 9 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 41 SyntacticMatches, 5 SemanticMatches, 91 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 9.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=6, 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, 166 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 245 NumberOfCodeBlocks, 245 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 205 ConstructedInterpolants, 7 QuantifiedInterpolants, 27010 SizeOfPredicates, 17 NumberOfNonLiveVariables, 272 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 34/49 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...