./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/forester-heap/dll-token-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version f470102c Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/forester-heap/dll-token-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35a5ccff58935eefedf723cd2243fac7c8b8e61b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:20:04,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:20:04,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:20:04,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:20:04,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:20:04,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:20:04,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:20:04,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:20:04,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:20:04,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:20:04,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:20:04,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:20:04,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:20:04,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:20:04,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:20:04,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:20:04,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:20:04,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:20:04,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:20:04,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:20:04,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:20:05,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:20:05,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:20:05,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:20:05,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:20:05,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:20:05,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:20:05,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:20:05,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:20:05,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:20:05,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:20:05,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:20:05,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:20:05,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:20:05,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:20:05,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:20:05,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:20:05,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:20:05,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:20:05,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:20:05,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:20:05,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-28 20:20:05,037 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:20:05,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:20:05,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:20:05,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:20:05,041 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:20:05,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:20:05,042 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:20:05,042 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:20:05,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:20:05,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:20:05,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:20:05,044 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:20:05,044 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:20:05,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:20:05,045 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:20:05,045 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:20:05,045 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:20:05,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:20:05,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:20:05,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:20:05,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:20:05,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:20:05,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:20:05,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:20:05,048 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:20:05,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 20:20:05,048 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:20:05,048 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-memcleanup) ) 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 -> 35a5ccff58935eefedf723cd2243fac7c8b8e61b [2019-11-28 20:20:05,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:20:05,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:20:05,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:20:05,396 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:20:05,397 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:20:05,398 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-token-2.i [2019-11-28 20:20:05,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8356e6456/8e219522ed7f4afea2798525091260ec/FLAG0a5947cca [2019-11-28 20:20:06,047 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:20:06,049 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i [2019-11-28 20:20:06,069 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8356e6456/8e219522ed7f4afea2798525091260ec/FLAG0a5947cca [2019-11-28 20:20:06,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8356e6456/8e219522ed7f4afea2798525091260ec [2019-11-28 20:20:06,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:20:06,301 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:20:06,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:20:06,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:20:06,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:20:06,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:20:06" (1/1) ... [2019-11-28 20:20:06,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7f4e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:06, skipping insertion in model container [2019-11-28 20:20:06,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:20:06" (1/1) ... [2019-11-28 20:20:06,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:20:06,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:20:06,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:20:06,799 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:20:06,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:20:06,910 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:20:06,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:06 WrapperNode [2019-11-28 20:20:06,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:20:06,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:20:06,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:20:06,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:20:06,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:06" (1/1) ... [2019-11-28 20:20:06,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:06" (1/1) ... [2019-11-28 20:20:06,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:06" (1/1) ... [2019-11-28 20:20:06,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:06" (1/1) ... [2019-11-28 20:20:06,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:06" (1/1) ... [2019-11-28 20:20:06,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:06" (1/1) ... [2019-11-28 20:20:06,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:06" (1/1) ... [2019-11-28 20:20:07,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:20:07,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:20:07,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:20:07,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:20:07,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:06" (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 [2019-11-28 20:20:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 20:20:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:20:07,062 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 20:20:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 20:20:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 20:20:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 20:20:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 20:20:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 20:20:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 20:20:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 20:20:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 20:20:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 20:20:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 20:20:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 20:20:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 20:20:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 20:20:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 20:20:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 20:20:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 20:20:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 20:20:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 20:20:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 20:20:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 20:20:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 20:20:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 20:20:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 20:20:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 20:20:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 20:20:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 20:20:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 20:20:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 20:20:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 20:20:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 20:20:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 20:20:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 20:20:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 20:20:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 20:20:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 20:20:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 20:20:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 20:20:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 20:20:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 20:20:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 20:20:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 20:20:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 20:20:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 20:20:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 20:20:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 20:20:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 20:20:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 20:20:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 20:20:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 20:20:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 20:20:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 20:20:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 20:20:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 20:20:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 20:20:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-28 20:20:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 20:20:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 20:20:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 20:20:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 20:20:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 20:20:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 20:20:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 20:20:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 20:20:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 20:20:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 20:20:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 20:20:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 20:20:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 20:20:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 20:20:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 20:20:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 20:20:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 20:20:07,079 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 20:20:07,079 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 20:20:07,079 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 20:20:07,079 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 20:20:07,080 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 20:20:07,080 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 20:20:07,080 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 20:20:07,080 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 20:20:07,081 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 20:20:07,081 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 20:20:07,081 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 20:20:07,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 20:20:07,082 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 20:20:07,082 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 20:20:07,082 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 20:20:07,082 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 20:20:07,082 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 20:20:07,083 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 20:20:07,083 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 20:20:07,083 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 20:20:07,083 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 20:20:07,084 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 20:20:07,084 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 20:20:07,084 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 20:20:07,084 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 20:20:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 20:20:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 20:20:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 20:20:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 20:20:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 20:20:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 20:20:07,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 20:20:07,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 20:20:07,086 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 20:20:07,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 20:20:07,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 20:20:07,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:20:07,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 20:20:07,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:20:07,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:20:07,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 20:20:07,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:20:07,883 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:20:07,884 INFO L287 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-28 20:20:07,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:20:07 BoogieIcfgContainer [2019-11-28 20:20:07,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:20:07,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 20:20:07,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 20:20:07,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 20:20:07,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:20:06" (1/3) ... [2019-11-28 20:20:07,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@264b4742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:20:07, skipping insertion in model container [2019-11-28 20:20:07,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:06" (2/3) ... [2019-11-28 20:20:07,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@264b4742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:20:07, skipping insertion in model container [2019-11-28 20:20:07,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:20:07" (3/3) ... [2019-11-28 20:20:07,895 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-token-2.i [2019-11-28 20:20:07,906 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 20:20:07,914 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 64 error locations. [2019-11-28 20:20:07,928 INFO L249 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2019-11-28 20:20:07,950 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 20:20:07,950 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 20:20:07,951 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 20:20:07,951 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:20:07,951 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:20:07,952 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 20:20:07,952 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:20:07,952 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 20:20:07,976 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2019-11-28 20:20:07,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 20:20:07,988 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:07,989 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:07,990 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr39ASSERT_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr63ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 20:20:07,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:07,997 INFO L82 PathProgramCache]: Analyzing trace with hash 289074493, now seen corresponding path program 1 times [2019-11-28 20:20:08,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:08,008 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415155468] [2019-11-28 20:20:08,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:08,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:08,207 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415155468] [2019-11-28 20:20:08,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:08,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:20:08,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580488959] [2019-11-28 20:20:08,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:20:08,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:08,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:20:08,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:20:08,237 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 4 states. [2019-11-28 20:20:08,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:08,658 INFO L93 Difference]: Finished difference Result 156 states and 159 transitions. [2019-11-28 20:20:08,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:20:08,661 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 20:20:08,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:08,677 INFO L225 Difference]: With dead ends: 156 [2019-11-28 20:20:08,678 INFO L226 Difference]: Without dead ends: 153 [2019-11-28 20:20:08,682 INFO L630 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 [2019-11-28 20:20:08,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-28 20:20:08,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 133. [2019-11-28 20:20:08,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-28 20:20:08,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 135 transitions. [2019-11-28 20:20:08,739 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 135 transitions. Word has length 7 [2019-11-28 20:20:08,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:08,740 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 135 transitions. [2019-11-28 20:20:08,740 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:20:08,740 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 135 transitions. [2019-11-28 20:20:08,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 20:20:08,741 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:08,741 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:08,741 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr39ASSERT_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr63ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 20:20:08,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:08,742 INFO L82 PathProgramCache]: Analyzing trace with hash 289074494, now seen corresponding path program 1 times [2019-11-28 20:20:08,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:08,742 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863853531] [2019-11-28 20:20:08,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:08,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:08,862 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863853531] [2019-11-28 20:20:08,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:08,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:20:08,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920440548] [2019-11-28 20:20:08,864 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 20:20:08,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:08,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:20:08,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:20:08,866 INFO L87 Difference]: Start difference. First operand 133 states and 135 transitions. Second operand 4 states. [2019-11-28 20:20:09,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:09,230 INFO L93 Difference]: Finished difference Result 158 states and 160 transitions. [2019-11-28 20:20:09,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:20:09,230 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 20:20:09,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:09,232 INFO L225 Difference]: With dead ends: 158 [2019-11-28 20:20:09,232 INFO L226 Difference]: Without dead ends: 158 [2019-11-28 20:20:09,235 INFO L630 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 [2019-11-28 20:20:09,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2019-11-28 20:20:09,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 130. [2019-11-28 20:20:09,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-11-28 20:20:09,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 132 transitions. [2019-11-28 20:20:09,259 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 132 transitions. Word has length 7 [2019-11-28 20:20:09,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:09,260 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 132 transitions. [2019-11-28 20:20:09,261 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 20:20:09,261 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 132 transitions. [2019-11-28 20:20:09,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 20:20:09,262 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:09,262 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:09,262 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr39ASSERT_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr63ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 20:20:09,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:09,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1397534318, now seen corresponding path program 1 times [2019-11-28 20:20:09,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:09,264 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552018839] [2019-11-28 20:20:09,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:09,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:09,392 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552018839] [2019-11-28 20:20:09,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:09,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:20:09,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635107298] [2019-11-28 20:20:09,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 20:20:09,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:09,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:20:09,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:20:09,401 INFO L87 Difference]: Start difference. First operand 130 states and 132 transitions. Second operand 5 states. [2019-11-28 20:20:09,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:09,703 INFO L93 Difference]: Finished difference Result 134 states and 137 transitions. [2019-11-28 20:20:09,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 20:20:09,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-28 20:20:09,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:09,706 INFO L225 Difference]: With dead ends: 134 [2019-11-28 20:20:09,707 INFO L226 Difference]: Without dead ends: 134 [2019-11-28 20:20:09,707 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:20:09,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-28 20:20:09,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 117. [2019-11-28 20:20:09,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-28 20:20:09,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 121 transitions. [2019-11-28 20:20:09,716 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 121 transitions. Word has length 13 [2019-11-28 20:20:09,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:09,719 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 121 transitions. [2019-11-28 20:20:09,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 20:20:09,719 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 121 transitions. [2019-11-28 20:20:09,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 20:20:09,720 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:09,720 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:09,721 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr39ASSERT_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr63ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 20:20:09,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:09,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1397534319, now seen corresponding path program 1 times [2019-11-28 20:20:09,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:09,722 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836029778] [2019-11-28 20:20:09,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:09,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:09,817 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836029778] [2019-11-28 20:20:09,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:09,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:20:09,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384753085] [2019-11-28 20:20:09,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 20:20:09,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:09,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:20:09,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:20:09,820 INFO L87 Difference]: Start difference. First operand 117 states and 121 transitions. Second operand 5 states. [2019-11-28 20:20:10,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:10,221 INFO L93 Difference]: Finished difference Result 207 states and 211 transitions. [2019-11-28 20:20:10,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:20:10,223 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-28 20:20:10,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:10,226 INFO L225 Difference]: With dead ends: 207 [2019-11-28 20:20:10,226 INFO L226 Difference]: Without dead ends: 207 [2019-11-28 20:20:10,227 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:20:10,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2019-11-28 20:20:10,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 152. [2019-11-28 20:20:10,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-28 20:20:10,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 167 transitions. [2019-11-28 20:20:10,238 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 167 transitions. Word has length 13 [2019-11-28 20:20:10,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:10,239 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 167 transitions. [2019-11-28 20:20:10,239 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 20:20:10,239 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 167 transitions. [2019-11-28 20:20:10,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 20:20:10,239 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:10,240 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:10,240 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr39ASSERT_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr63ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 20:20:10,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:10,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1294261111, now seen corresponding path program 1 times [2019-11-28 20:20:10,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:10,241 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139091920] [2019-11-28 20:20:10,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:10,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:10,335 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139091920] [2019-11-28 20:20:10,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:10,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:20:10,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276554328] [2019-11-28 20:20:10,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:20:10,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:10,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:20:10,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:20:10,340 INFO L87 Difference]: Start difference. First operand 152 states and 167 transitions. Second operand 6 states. [2019-11-28 20:20:10,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:10,889 INFO L93 Difference]: Finished difference Result 221 states and 238 transitions. [2019-11-28 20:20:10,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 20:20:10,890 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-11-28 20:20:10,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:10,892 INFO L225 Difference]: With dead ends: 221 [2019-11-28 20:20:10,892 INFO L226 Difference]: Without dead ends: 221 [2019-11-28 20:20:10,892 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:20:10,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-11-28 20:20:10,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 151. [2019-11-28 20:20:10,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-11-28 20:20:10,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 165 transitions. [2019-11-28 20:20:10,919 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 165 transitions. Word has length 15 [2019-11-28 20:20:10,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:10,922 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 165 transitions. [2019-11-28 20:20:10,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:20:10,922 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 165 transitions. [2019-11-28 20:20:10,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 20:20:10,923 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:10,923 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:10,924 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr39ASSERT_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr63ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 20:20:10,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:10,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1294261110, now seen corresponding path program 1 times [2019-11-28 20:20:10,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:10,928 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749419315] [2019-11-28 20:20:10,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:11,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:11,031 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749419315] [2019-11-28 20:20:11,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:11,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:20:11,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900738929] [2019-11-28 20:20:11,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:20:11,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:11,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:20:11,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:20:11,033 INFO L87 Difference]: Start difference. First operand 151 states and 165 transitions. Second operand 6 states. [2019-11-28 20:20:11,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:11,606 INFO L93 Difference]: Finished difference Result 247 states and 267 transitions. [2019-11-28 20:20:11,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 20:20:11,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-11-28 20:20:11,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:11,608 INFO L225 Difference]: With dead ends: 247 [2019-11-28 20:20:11,608 INFO L226 Difference]: Without dead ends: 247 [2019-11-28 20:20:11,608 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:20:11,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-11-28 20:20:11,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 150. [2019-11-28 20:20:11,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-28 20:20:11,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 163 transitions. [2019-11-28 20:20:11,616 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 163 transitions. Word has length 15 [2019-11-28 20:20:11,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:11,616 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 163 transitions. [2019-11-28 20:20:11,616 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:20:11,617 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 163 transitions. [2019-11-28 20:20:11,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 20:20:11,617 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:11,617 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:11,618 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr39ASSERT_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr63ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 20:20:11,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:11,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1734591538, now seen corresponding path program 1 times [2019-11-28 20:20:11,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:11,619 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657006304] [2019-11-28 20:20:11,619 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:11,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:11,684 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657006304] [2019-11-28 20:20:11,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:11,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:20:11,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596852552] [2019-11-28 20:20:11,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:20:11,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:11,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:20:11,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:20:11,686 INFO L87 Difference]: Start difference. First operand 150 states and 163 transitions. Second operand 6 states. [2019-11-28 20:20:12,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:12,012 INFO L93 Difference]: Finished difference Result 157 states and 165 transitions. [2019-11-28 20:20:12,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 20:20:12,016 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-11-28 20:20:12,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:12,017 INFO L225 Difference]: With dead ends: 157 [2019-11-28 20:20:12,017 INFO L226 Difference]: Without dead ends: 157 [2019-11-28 20:20:12,018 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 20:20:12,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-28 20:20:12,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 149. [2019-11-28 20:20:12,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-11-28 20:20:12,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 161 transitions. [2019-11-28 20:20:12,026 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 161 transitions. Word has length 17 [2019-11-28 20:20:12,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:12,026 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 161 transitions. [2019-11-28 20:20:12,027 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:20:12,027 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 161 transitions. [2019-11-28 20:20:12,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 20:20:12,027 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:12,027 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:12,028 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr39ASSERT_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr63ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 20:20:12,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:12,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1734591539, now seen corresponding path program 1 times [2019-11-28 20:20:12,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:12,029 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854424226] [2019-11-28 20:20:12,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:12,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:12,098 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854424226] [2019-11-28 20:20:12,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:12,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:20:12,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483957282] [2019-11-28 20:20:12,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:20:12,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:12,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:20:12,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:20:12,100 INFO L87 Difference]: Start difference. First operand 149 states and 161 transitions. Second operand 6 states. [2019-11-28 20:20:12,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:12,450 INFO L93 Difference]: Finished difference Result 148 states and 159 transitions. [2019-11-28 20:20:12,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 20:20:12,456 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-11-28 20:20:12,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:12,457 INFO L225 Difference]: With dead ends: 148 [2019-11-28 20:20:12,457 INFO L226 Difference]: Without dead ends: 148 [2019-11-28 20:20:12,457 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:20:12,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-11-28 20:20:12,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2019-11-28 20:20:12,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-28 20:20:12,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 159 transitions. [2019-11-28 20:20:12,462 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 159 transitions. Word has length 17 [2019-11-28 20:20:12,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:12,462 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 159 transitions. [2019-11-28 20:20:12,462 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:20:12,462 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 159 transitions. [2019-11-28 20:20:12,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 20:20:12,463 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:12,463 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:12,464 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr39ASSERT_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr63ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 20:20:12,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:12,464 INFO L82 PathProgramCache]: Analyzing trace with hash -801854261, now seen corresponding path program 1 times [2019-11-28 20:20:12,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:12,465 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328870717] [2019-11-28 20:20:12,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:12,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:12,593 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328870717] [2019-11-28 20:20:12,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:12,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-28 20:20:12,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948296804] [2019-11-28 20:20:12,594 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 20:20:12,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:12,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 20:20:12,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-28 20:20:12,595 INFO L87 Difference]: Start difference. First operand 148 states and 159 transitions. Second operand 10 states. [2019-11-28 20:20:13,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:13,039 INFO L93 Difference]: Finished difference Result 152 states and 159 transitions. [2019-11-28 20:20:13,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 20:20:13,040 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2019-11-28 20:20:13,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:13,041 INFO L225 Difference]: With dead ends: 152 [2019-11-28 20:20:13,042 INFO L226 Difference]: Without dead ends: 152 [2019-11-28 20:20:13,042 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2019-11-28 20:20:13,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-11-28 20:20:13,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 147. [2019-11-28 20:20:13,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-11-28 20:20:13,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 158 transitions. [2019-11-28 20:20:13,048 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 158 transitions. Word has length 19 [2019-11-28 20:20:13,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:13,049 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 158 transitions. [2019-11-28 20:20:13,049 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 20:20:13,050 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 158 transitions. [2019-11-28 20:20:13,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 20:20:13,051 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:13,051 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:13,051 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr39ASSERT_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr63ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 20:20:13,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:13,052 INFO L82 PathProgramCache]: Analyzing trace with hash -801854260, now seen corresponding path program 1 times [2019-11-28 20:20:13,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:13,053 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881855913] [2019-11-28 20:20:13,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:13,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:13,208 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881855913] [2019-11-28 20:20:13,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:13,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-28 20:20:13,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593221520] [2019-11-28 20:20:13,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 20:20:13,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:13,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 20:20:13,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-28 20:20:13,210 INFO L87 Difference]: Start difference. First operand 147 states and 158 transitions. Second operand 11 states. [2019-11-28 20:20:14,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:14,235 INFO L93 Difference]: Finished difference Result 149 states and 156 transitions. [2019-11-28 20:20:14,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-28 20:20:14,235 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2019-11-28 20:20:14,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:14,236 INFO L225 Difference]: With dead ends: 149 [2019-11-28 20:20:14,237 INFO L226 Difference]: Without dead ends: 149 [2019-11-28 20:20:14,237 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2019-11-28 20:20:14,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-11-28 20:20:14,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 125. [2019-11-28 20:20:14,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-11-28 20:20:14,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 135 transitions. [2019-11-28 20:20:14,241 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 135 transitions. Word has length 19 [2019-11-28 20:20:14,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:14,241 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 135 transitions. [2019-11-28 20:20:14,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 20:20:14,242 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 135 transitions. [2019-11-28 20:20:14,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 20:20:14,242 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:14,242 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:14,243 INFO L410 AbstractCegarLoop]: === Iteration 11 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr39ASSERT_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr63ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 20:20:14,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:14,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1829953186, now seen corresponding path program 1 times [2019-11-28 20:20:14,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:14,244 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886949834] [2019-11-28 20:20:14,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:14,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:14,356 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886949834] [2019-11-28 20:20:14,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:14,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 20:20:14,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129393843] [2019-11-28 20:20:14,357 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 20:20:14,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:14,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 20:20:14,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:20:14,358 INFO L87 Difference]: Start difference. First operand 125 states and 135 transitions. Second operand 9 states. [2019-11-28 20:20:14,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:14,848 INFO L93 Difference]: Finished difference Result 128 states and 139 transitions. [2019-11-28 20:20:14,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 20:20:14,849 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2019-11-28 20:20:14,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:14,850 INFO L225 Difference]: With dead ends: 128 [2019-11-28 20:20:14,850 INFO L226 Difference]: Without dead ends: 128 [2019-11-28 20:20:14,850 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-11-28 20:20:14,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-11-28 20:20:14,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2019-11-28 20:20:14,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-28 20:20:14,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 134 transitions. [2019-11-28 20:20:14,854 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 134 transitions. Word has length 20 [2019-11-28 20:20:14,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:14,854 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 134 transitions. [2019-11-28 20:20:14,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 20:20:14,855 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 134 transitions. [2019-11-28 20:20:14,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 20:20:14,855 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:14,855 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:14,856 INFO L410 AbstractCegarLoop]: === Iteration 12 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr39ASSERT_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr63ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 20:20:14,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:14,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1829953187, now seen corresponding path program 1 times [2019-11-28 20:20:14,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:14,857 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224920756] [2019-11-28 20:20:14,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:14,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:14,941 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224920756] [2019-11-28 20:20:14,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:14,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 20:20:14,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005696227] [2019-11-28 20:20:14,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 20:20:14,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:14,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 20:20:14,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-28 20:20:14,943 INFO L87 Difference]: Start difference. First operand 124 states and 134 transitions. Second operand 9 states. [2019-11-28 20:20:15,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:15,394 INFO L93 Difference]: Finished difference Result 127 states and 138 transitions. [2019-11-28 20:20:15,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 20:20:15,394 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2019-11-28 20:20:15,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:15,395 INFO L225 Difference]: With dead ends: 127 [2019-11-28 20:20:15,395 INFO L226 Difference]: Without dead ends: 127 [2019-11-28 20:20:15,396 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-11-28 20:20:15,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-28 20:20:15,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 123. [2019-11-28 20:20:15,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-11-28 20:20:15,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 133 transitions. [2019-11-28 20:20:15,399 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 133 transitions. Word has length 20 [2019-11-28 20:20:15,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:15,400 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 133 transitions. [2019-11-28 20:20:15,400 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 20:20:15,400 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 133 transitions. [2019-11-28 20:20:15,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-28 20:20:15,401 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:15,401 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:15,401 INFO L410 AbstractCegarLoop]: === Iteration 13 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr39ASSERT_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr63ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 20:20:15,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:15,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1782798357, now seen corresponding path program 1 times [2019-11-28 20:20:15,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:15,402 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978000724] [2019-11-28 20:20:15,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:15,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:15,465 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978000724] [2019-11-28 20:20:15,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:15,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 20:20:15,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901530175] [2019-11-28 20:20:15,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 20:20:15,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:15,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 20:20:15,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-28 20:20:15,467 INFO L87 Difference]: Start difference. First operand 123 states and 133 transitions. Second operand 7 states. [2019-11-28 20:20:15,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:15,871 INFO L93 Difference]: Finished difference Result 224 states and 244 transitions. [2019-11-28 20:20:15,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 20:20:15,872 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2019-11-28 20:20:15,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:15,874 INFO L225 Difference]: With dead ends: 224 [2019-11-28 20:20:15,874 INFO L226 Difference]: Without dead ends: 224 [2019-11-28 20:20:15,875 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-11-28 20:20:15,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-11-28 20:20:15,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 121. [2019-11-28 20:20:15,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-28 20:20:15,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 131 transitions. [2019-11-28 20:20:15,879 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 131 transitions. Word has length 21 [2019-11-28 20:20:15,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:15,880 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 131 transitions. [2019-11-28 20:20:15,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 20:20:15,880 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 131 transitions. [2019-11-28 20:20:15,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 20:20:15,881 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:15,881 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:15,881 INFO L410 AbstractCegarLoop]: === Iteration 14 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr39ASSERT_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr63ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 20:20:15,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:15,881 INFO L82 PathProgramCache]: Analyzing trace with hash -115454954, now seen corresponding path program 1 times [2019-11-28 20:20:15,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:15,882 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135910188] [2019-11-28 20:20:15,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:15,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:15,924 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135910188] [2019-11-28 20:20:15,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:15,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:20:15,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594236438] [2019-11-28 20:20:15,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 20:20:15,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:15,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:20:15,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:20:15,926 INFO L87 Difference]: Start difference. First operand 121 states and 131 transitions. Second operand 5 states. [2019-11-28 20:20:16,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:16,193 INFO L93 Difference]: Finished difference Result 181 states and 186 transitions. [2019-11-28 20:20:16,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 20:20:16,194 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-28 20:20:16,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:16,196 INFO L225 Difference]: With dead ends: 181 [2019-11-28 20:20:16,196 INFO L226 Difference]: Without dead ends: 181 [2019-11-28 20:20:16,197 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:20:16,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2019-11-28 20:20:16,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 119. [2019-11-28 20:20:16,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-28 20:20:16,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 129 transitions. [2019-11-28 20:20:16,201 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 129 transitions. Word has length 23 [2019-11-28 20:20:16,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:16,201 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 129 transitions. [2019-11-28 20:20:16,201 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 20:20:16,202 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 129 transitions. [2019-11-28 20:20:16,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 20:20:16,202 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:16,202 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:16,203 INFO L410 AbstractCegarLoop]: === Iteration 15 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr39ASSERT_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr63ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 20:20:16,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:16,203 INFO L82 PathProgramCache]: Analyzing trace with hash -991601776, now seen corresponding path program 1 times [2019-11-28 20:20:16,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:16,204 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85940188] [2019-11-28 20:20:16,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:16,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:16,251 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85940188] [2019-11-28 20:20:16,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:16,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 20:20:16,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055309576] [2019-11-28 20:20:16,252 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 20:20:16,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:16,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:20:16,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:20:16,253 INFO L87 Difference]: Start difference. First operand 119 states and 129 transitions. Second operand 6 states. [2019-11-28 20:20:16,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:16,463 INFO L93 Difference]: Finished difference Result 117 states and 126 transitions. [2019-11-28 20:20:16,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 20:20:16,464 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2019-11-28 20:20:16,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:16,466 INFO L225 Difference]: With dead ends: 117 [2019-11-28 20:20:16,466 INFO L226 Difference]: Without dead ends: 117 [2019-11-28 20:20:16,467 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-28 20:20:16,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-11-28 20:20:16,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-11-28 20:20:16,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-28 20:20:16,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 126 transitions. [2019-11-28 20:20:16,470 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 126 transitions. Word has length 28 [2019-11-28 20:20:16,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:16,470 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 126 transitions. [2019-11-28 20:20:16,470 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 20:20:16,471 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 126 transitions. [2019-11-28 20:20:16,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 20:20:16,471 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:16,471 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:16,472 INFO L410 AbstractCegarLoop]: === Iteration 16 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr39ASSERT_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr63ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 20:20:16,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:16,472 INFO L82 PathProgramCache]: Analyzing trace with hash -991569005, now seen corresponding path program 1 times [2019-11-28 20:20:16,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:16,472 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92668134] [2019-11-28 20:20:16,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:16,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:16,785 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92668134] [2019-11-28 20:20:16,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:16,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-28 20:20:16,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103532558] [2019-11-28 20:20:16,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-28 20:20:16,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:16,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-28 20:20:16,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2019-11-28 20:20:16,787 INFO L87 Difference]: Start difference. First operand 117 states and 126 transitions. Second operand 13 states. [2019-11-28 20:20:17,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:17,506 INFO L93 Difference]: Finished difference Result 219 states and 223 transitions. [2019-11-28 20:20:17,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-28 20:20:17,506 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 28 [2019-11-28 20:20:17,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:17,508 INFO L225 Difference]: With dead ends: 219 [2019-11-28 20:20:17,508 INFO L226 Difference]: Without dead ends: 219 [2019-11-28 20:20:17,509 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2019-11-28 20:20:17,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2019-11-28 20:20:17,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 132. [2019-11-28 20:20:17,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-11-28 20:20:17,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 142 transitions. [2019-11-28 20:20:17,514 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 142 transitions. Word has length 28 [2019-11-28 20:20:17,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:17,514 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 142 transitions. [2019-11-28 20:20:17,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-28 20:20:17,515 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 142 transitions. [2019-11-28 20:20:17,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-28 20:20:17,515 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:17,515 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:17,516 INFO L410 AbstractCegarLoop]: === Iteration 17 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr39ASSERT_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr63ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 20:20:17,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:17,516 INFO L82 PathProgramCache]: Analyzing trace with hash -19386319, now seen corresponding path program 1 times [2019-11-28 20:20:17,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:17,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283700250] [2019-11-28 20:20:17,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:17,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:17,660 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283700250] [2019-11-28 20:20:17,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:17,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-28 20:20:17,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853025282] [2019-11-28 20:20:17,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-28 20:20:17,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:17,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-28 20:20:17,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2019-11-28 20:20:17,661 INFO L87 Difference]: Start difference. First operand 132 states and 142 transitions. Second operand 13 states. [2019-11-28 20:20:18,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:18,429 INFO L93 Difference]: Finished difference Result 185 states and 190 transitions. [2019-11-28 20:20:18,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-28 20:20:18,430 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 31 [2019-11-28 20:20:18,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:18,431 INFO L225 Difference]: With dead ends: 185 [2019-11-28 20:20:18,432 INFO L226 Difference]: Without dead ends: 185 [2019-11-28 20:20:18,432 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2019-11-28 20:20:18,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2019-11-28 20:20:18,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 138. [2019-11-28 20:20:18,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-28 20:20:18,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 149 transitions. [2019-11-28 20:20:18,439 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 149 transitions. Word has length 31 [2019-11-28 20:20:18,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:18,441 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 149 transitions. [2019-11-28 20:20:18,441 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-28 20:20:18,441 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 149 transitions. [2019-11-28 20:20:18,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-28 20:20:18,443 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:18,444 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:18,444 INFO L410 AbstractCegarLoop]: === Iteration 18 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr39ASSERT_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr63ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 20:20:18,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:18,445 INFO L82 PathProgramCache]: Analyzing trace with hash -19386318, now seen corresponding path program 1 times [2019-11-28 20:20:18,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:18,446 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748696163] [2019-11-28 20:20:18,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:20:18,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:20:18,666 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748696163] [2019-11-28 20:20:18,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:20:18,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-28 20:20:18,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889796465] [2019-11-28 20:20:18,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-28 20:20:18,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:20:18,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-28 20:20:18,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-11-28 20:20:18,673 INFO L87 Difference]: Start difference. First operand 138 states and 149 transitions. Second operand 13 states. [2019-11-28 20:20:19,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:20:19,645 INFO L93 Difference]: Finished difference Result 217 states and 221 transitions. [2019-11-28 20:20:19,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-28 20:20:19,646 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 31 [2019-11-28 20:20:19,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 20:20:19,648 INFO L225 Difference]: With dead ends: 217 [2019-11-28 20:20:19,648 INFO L226 Difference]: Without dead ends: 217 [2019-11-28 20:20:19,649 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2019-11-28 20:20:19,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2019-11-28 20:20:19,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 138. [2019-11-28 20:20:19,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-28 20:20:19,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 148 transitions. [2019-11-28 20:20:19,653 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 148 transitions. Word has length 31 [2019-11-28 20:20:19,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 20:20:19,654 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 148 transitions. [2019-11-28 20:20:19,654 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-28 20:20:19,654 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 148 transitions. [2019-11-28 20:20:19,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 20:20:19,655 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 20:20:19,655 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:20:19,655 INFO L410 AbstractCegarLoop]: === Iteration 19 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr39ASSERT_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr63ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr57ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 20:20:19,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:20:19,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1450378863, now seen corresponding path program 1 times [2019-11-28 20:20:19,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:20:19,656 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561295935] [2019-11-28 20:20:19,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:20:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:20:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:20:19,722 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:20:19,722 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 20:20:19,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:20:19 BoogieIcfgContainer [2019-11-28 20:20:19,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 20:20:19,758 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:20:19,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:20:19,758 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:20:19,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:20:07" (3/4) ... [2019-11-28 20:20:19,761 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 20:20:19,825 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:20:19,825 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:20:19,828 INFO L168 Benchmark]: Toolchain (without parser) took 13526.63 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 325.1 MB). Free memory was 952.3 MB in the beginning and 972.6 MB in the end (delta: -20.3 MB). Peak memory consumption was 304.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:20:19,828 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:20:19,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:20:19,832 INFO L168 Benchmark]: Boogie Preprocessor took 90.89 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:20:19,836 INFO L168 Benchmark]: RCFGBuilder took 882.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:20:19,840 INFO L168 Benchmark]: TraceAbstraction took 11871.01 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.6 MB). Free memory was 1.0 GB in the beginning and 972.6 MB in the end (delta: 75.5 MB). Peak memory consumption was 262.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:20:19,841 INFO L168 Benchmark]: Witness Printer took 67.36 ms. Allocated memory is still 1.4 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:20:19,845 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 609.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 90.89 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 882.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11871.01 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.6 MB). Free memory was 1.0 GB in the beginning and 972.6 MB in the end (delta: 75.5 MB). Peak memory consumption was 262.1 MB. Max. memory is 11.5 GB. * Witness Printer took 67.36 ms. Allocated memory is still 1.4 GB. Free memory is still 972.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1026]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L993] SLL* head = malloc(sizeof(SLL)); VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L994] head->next = ((void*)0) VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L995] head->prev = ((void*)0) VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L996] head->data = 0 VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L998] SLL* x = head; VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}] [L1001] COND FALSE !(__VERIFIER_nondet_int()) [L1010] x->data = 1 VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}] [L1011] x->next = malloc(sizeof(SLL)) VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}] [L1012] EXPR x->next VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}, x->next={-2:0}] [L1012] x->next->prev = x VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}, x->next={-2:0}] [L1013] EXPR x->next VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}, x->next={-2:0}] [L1013] x->next->data = 2 VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}, x->next={-2:0}] [L1015] x = head VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}] [L1017] COND FALSE !(!(((void*)0) != x)) VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}] [L1019] EXPR x->data VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}, x->data=1] [L1019] COND FALSE !(1 != x->data) [L1024] EXPR x->data VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}, x->data=1] [L1024] COND FALSE !(!(1 == x->data)) [L1025] EXPR x->next VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}, x->next={-2:0}] [L1025] x = x->next [L1026] EXPR x->data VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-2:0}, x->data=2] [L1026] COND TRUE !(2 != x->data) [L1026] __VERIFIER_error() VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 139 locations, 64 error locations. Result: UNSAFE, OverallTime: 11.7s, OverallIterations: 19, TraceHistogramMax: 1, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1405 SDtfs, 2685 SDslu, 3030 SDs, 0 SdLazy, 6679 SolverSat, 357 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 710 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 377 NumberOfCodeBlocks, 377 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 326 ConstructedInterpolants, 0 QuantifiedInterpolants, 44656 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...