./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 30f4e4ab 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 0.1.24-30f4e4a [2019-11-28 02:47:34,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:47:34,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:47:34,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:47:34,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:47:34,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:47:34,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:47:34,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:47:34,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:47:34,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:47:34,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:47:34,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:47:34,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:47:34,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:47:34,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:47:34,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:47:34,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:47:34,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:47:34,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:47:34,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:47:34,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:47:34,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:47:34,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:47:34,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:47:34,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:47:34,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:47:34,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:47:34,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:47:34,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:47:34,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:47:34,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:47:34,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:47:34,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:47:34,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:47:34,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:47:34,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:47:34,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:47:34,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:47:34,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:47:34,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:47:35,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:47:35,001 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-28 02:47:35,024 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:47:35,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:47:35,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:47:35,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:47:35,027 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:47:35,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:47:35,028 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:47:35,028 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:47:35,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:47:35,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:47:35,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:47:35,031 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:47:35,031 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:47:35,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:47:35,032 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:47:35,032 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:47:35,032 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:47:35,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:47:35,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:47:35,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:47:35,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:47:35,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:47:35,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:47:35,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:47:35,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:47:35,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:47:35,035 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 02:47:35,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:47:35,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:47:35,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:47:35,365 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:47:35,366 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:47:35,367 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-token-2.i [2019-11-28 02:47:35,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420659709/63868eb13dfe4ff39491cd152efafd90/FLAGeb5ae5460 [2019-11-28 02:47:35,996 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:47:35,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-token-2.i [2019-11-28 02:47:36,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420659709/63868eb13dfe4ff39491cd152efafd90/FLAGeb5ae5460 [2019-11-28 02:47:36,251 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420659709/63868eb13dfe4ff39491cd152efafd90 [2019-11-28 02:47:36,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:47:36,257 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:47:36,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:47:36,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:47:36,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:47:36,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:36" (1/1) ... [2019-11-28 02:47:36,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@551f8d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:36, skipping insertion in model container [2019-11-28 02:47:36,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:36" (1/1) ... [2019-11-28 02:47:36,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:47:36,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:47:36,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:47:36,797 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:47:36,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:47:36,896 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:47:36,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:36 WrapperNode [2019-11-28 02:47:36,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:47:36,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:47:36,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:47:36,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:47:36,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:36" (1/1) ... [2019-11-28 02:47:36,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:36" (1/1) ... [2019-11-28 02:47:36,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:36" (1/1) ... [2019-11-28 02:47:36,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:36" (1/1) ... [2019-11-28 02:47:36,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:36" (1/1) ... [2019-11-28 02:47:36,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:36" (1/1) ... [2019-11-28 02:47:36,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:36" (1/1) ... [2019-11-28 02:47:36,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:47:36,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:47:36,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:47:36,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:47:36,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:36" (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 02:47:37,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:47:37,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:47:37,028 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:47:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 02:47:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 02:47:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 02:47:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 02:47:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 02:47:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 02:47:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 02:47:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 02:47:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 02:47:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 02:47:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 02:47:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 02:47:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 02:47:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 02:47:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 02:47:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 02:47:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 02:47:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 02:47:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 02:47:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 02:47:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 02:47:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 02:47:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 02:47:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 02:47:37,037 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 02:47:37,037 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 02:47:37,037 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 02:47:37,037 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 02:47:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 02:47:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 02:47:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 02:47:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 02:47:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 02:47:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 02:47:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 02:47:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 02:47:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 02:47:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 02:47:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 02:47:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 02:47:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 02:47:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 02:47:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 02:47:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 02:47:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 02:47:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 02:47:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 02:47:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 02:47:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 02:47:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 02:47:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 02:47:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 02:47:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 02:47:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 02:47:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-28 02:47:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 02:47:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 02:47:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 02:47:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 02:47:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 02:47:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 02:47:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 02:47:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 02:47:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 02:47:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 02:47:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 02:47:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 02:47:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 02:47:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 02:47:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 02:47:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 02:47:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 02:47:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 02:47:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 02:47:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 02:47:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 02:47:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 02:47:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 02:47:37,046 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 02:47:37,046 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 02:47:37,046 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 02:47:37,046 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 02:47:37,046 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 02:47:37,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 02:47:37,046 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 02:47:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 02:47:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 02:47:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 02:47:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 02:47:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 02:47:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 02:47:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 02:47:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 02:47:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 02:47:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 02:47:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 02:47:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 02:47:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 02:47:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 02:47:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 02:47:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 02:47:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 02:47:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 02:47:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 02:47:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 02:47:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:47:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 02:47:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 02:47:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 02:47:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 02:47:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 02:47:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:47:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:47:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:47:37,822 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:47:37,823 INFO L297 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-28 02:47:37,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:37 BoogieIcfgContainer [2019-11-28 02:47:37,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:47:37,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:47:37,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:47:37,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:47:37,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:47:36" (1/3) ... [2019-11-28 02:47:37,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@131ee525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:37, skipping insertion in model container [2019-11-28 02:47:37,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:36" (2/3) ... [2019-11-28 02:47:37,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@131ee525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:37, skipping insertion in model container [2019-11-28 02:47:37,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:37" (3/3) ... [2019-11-28 02:47:37,832 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-token-2.i [2019-11-28 02:47:37,842 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:47:37,851 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 64 error locations. [2019-11-28 02:47:37,864 INFO L249 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2019-11-28 02:47:37,885 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:47:37,885 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:47:37,885 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:47:37,885 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:47:37,886 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:47:37,886 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:47:37,886 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:47:37,886 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:47:37,910 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2019-11-28 02:47:37,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 02:47:37,921 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:37,922 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:37,923 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 02:47:37,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:37,930 INFO L82 PathProgramCache]: Analyzing trace with hash 289074493, now seen corresponding path program 1 times [2019-11-28 02:47:37,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:37,940 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46595528] [2019-11-28 02:47:37,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:38,137 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 02:47:38,138 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46595528] [2019-11-28 02:47:38,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:38,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:47:38,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556594528] [2019-11-28 02:47:38,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:47:38,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:38,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:47:38,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:47:38,171 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 4 states. [2019-11-28 02:47:38,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:38,621 INFO L93 Difference]: Finished difference Result 156 states and 159 transitions. [2019-11-28 02:47:38,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:47:38,623 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 02:47:38,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:38,636 INFO L225 Difference]: With dead ends: 156 [2019-11-28 02:47:38,636 INFO L226 Difference]: Without dead ends: 153 [2019-11-28 02:47:38,638 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 02:47:38,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-28 02:47:38,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 133. [2019-11-28 02:47:38,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-28 02:47:38,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 135 transitions. [2019-11-28 02:47:38,690 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 135 transitions. Word has length 7 [2019-11-28 02:47:38,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:38,690 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 135 transitions. [2019-11-28 02:47:38,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:47:38,691 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 135 transitions. [2019-11-28 02:47:38,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 02:47:38,691 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:38,691 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:38,692 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 02:47:38,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:38,693 INFO L82 PathProgramCache]: Analyzing trace with hash 289074494, now seen corresponding path program 1 times [2019-11-28 02:47:38,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:38,693 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351146807] [2019-11-28 02:47:38,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:38,791 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 02:47:38,791 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351146807] [2019-11-28 02:47:38,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:38,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:47:38,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526264311] [2019-11-28 02:47:38,794 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:47:38,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:38,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:47:38,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:47:38,796 INFO L87 Difference]: Start difference. First operand 133 states and 135 transitions. Second operand 4 states. [2019-11-28 02:47:39,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:39,083 INFO L93 Difference]: Finished difference Result 158 states and 160 transitions. [2019-11-28 02:47:39,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:47:39,084 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 02:47:39,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:39,086 INFO L225 Difference]: With dead ends: 158 [2019-11-28 02:47:39,087 INFO L226 Difference]: Without dead ends: 158 [2019-11-28 02:47:39,087 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 02:47:39,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2019-11-28 02:47:39,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 130. [2019-11-28 02:47:39,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-11-28 02:47:39,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 132 transitions. [2019-11-28 02:47:39,101 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 132 transitions. Word has length 7 [2019-11-28 02:47:39,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:39,102 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 132 transitions. [2019-11-28 02:47:39,102 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:47:39,102 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 132 transitions. [2019-11-28 02:47:39,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 02:47:39,103 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:39,103 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:39,104 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 02:47:39,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:39,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1397534318, now seen corresponding path program 1 times [2019-11-28 02:47:39,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:39,105 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117152514] [2019-11-28 02:47:39,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:39,206 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 02:47:39,208 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117152514] [2019-11-28 02:47:39,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:39,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:47:39,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729378554] [2019-11-28 02:47:39,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:47:39,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:39,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:47:39,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:47:39,211 INFO L87 Difference]: Start difference. First operand 130 states and 132 transitions. Second operand 5 states. [2019-11-28 02:47:39,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:39,543 INFO L93 Difference]: Finished difference Result 134 states and 137 transitions. [2019-11-28 02:47:39,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 02:47:39,544 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-28 02:47:39,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:39,546 INFO L225 Difference]: With dead ends: 134 [2019-11-28 02:47:39,546 INFO L226 Difference]: Without dead ends: 134 [2019-11-28 02:47:39,547 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 02:47:39,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-28 02:47:39,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 117. [2019-11-28 02:47:39,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-28 02:47:39,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 121 transitions. [2019-11-28 02:47:39,571 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 121 transitions. Word has length 13 [2019-11-28 02:47:39,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:39,572 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 121 transitions. [2019-11-28 02:47:39,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:47:39,572 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 121 transitions. [2019-11-28 02:47:39,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 02:47:39,573 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:39,573 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:39,574 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 02:47:39,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:39,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1397534319, now seen corresponding path program 1 times [2019-11-28 02:47:39,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:39,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848902578] [2019-11-28 02:47:39,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:39,706 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 02:47:39,707 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848902578] [2019-11-28 02:47:39,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:39,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:47:39,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015732362] [2019-11-28 02:47:39,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:47:39,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:39,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:47:39,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:47:39,710 INFO L87 Difference]: Start difference. First operand 117 states and 121 transitions. Second operand 5 states. [2019-11-28 02:47:40,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:40,082 INFO L93 Difference]: Finished difference Result 207 states and 211 transitions. [2019-11-28 02:47:40,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:47:40,083 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-28 02:47:40,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:40,085 INFO L225 Difference]: With dead ends: 207 [2019-11-28 02:47:40,085 INFO L226 Difference]: Without dead ends: 207 [2019-11-28 02:47:40,086 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 02:47:40,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2019-11-28 02:47:40,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 152. [2019-11-28 02:47:40,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-28 02:47:40,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 167 transitions. [2019-11-28 02:47:40,097 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 167 transitions. Word has length 13 [2019-11-28 02:47:40,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:40,098 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 167 transitions. [2019-11-28 02:47:40,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:47:40,098 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 167 transitions. [2019-11-28 02:47:40,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 02:47:40,099 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:40,099 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:40,099 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 02:47:40,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:40,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1294261111, now seen corresponding path program 1 times [2019-11-28 02:47:40,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:40,101 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234261905] [2019-11-28 02:47:40,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:40,185 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 02:47:40,186 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234261905] [2019-11-28 02:47:40,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:40,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:47:40,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121742015] [2019-11-28 02:47:40,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:47:40,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:40,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:47:40,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:47:40,192 INFO L87 Difference]: Start difference. First operand 152 states and 167 transitions. Second operand 6 states. [2019-11-28 02:47:40,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:40,714 INFO L93 Difference]: Finished difference Result 221 states and 238 transitions. [2019-11-28 02:47:40,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 02:47:40,715 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-11-28 02:47:40,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:40,716 INFO L225 Difference]: With dead ends: 221 [2019-11-28 02:47:40,716 INFO L226 Difference]: Without dead ends: 221 [2019-11-28 02:47:40,717 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 02:47:40,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-11-28 02:47:40,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 151. [2019-11-28 02:47:40,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-11-28 02:47:40,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 165 transitions. [2019-11-28 02:47:40,725 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 165 transitions. Word has length 15 [2019-11-28 02:47:40,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:40,726 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 165 transitions. [2019-11-28 02:47:40,726 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:47:40,726 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 165 transitions. [2019-11-28 02:47:40,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 02:47:40,727 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:40,727 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:40,727 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 02:47:40,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:40,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1294261110, now seen corresponding path program 1 times [2019-11-28 02:47:40,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:40,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616430477] [2019-11-28 02:47:40,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:40,830 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 02:47:40,830 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616430477] [2019-11-28 02:47:40,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:40,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:47:40,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773127414] [2019-11-28 02:47:40,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:47:40,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:40,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:47:40,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:47:40,832 INFO L87 Difference]: Start difference. First operand 151 states and 165 transitions. Second operand 6 states. [2019-11-28 02:47:41,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:41,410 INFO L93 Difference]: Finished difference Result 247 states and 267 transitions. [2019-11-28 02:47:41,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:47:41,411 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-11-28 02:47:41,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:41,413 INFO L225 Difference]: With dead ends: 247 [2019-11-28 02:47:41,413 INFO L226 Difference]: Without dead ends: 247 [2019-11-28 02:47:41,414 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:47:41,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-11-28 02:47:41,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 150. [2019-11-28 02:47:41,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-28 02:47:41,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 163 transitions. [2019-11-28 02:47:41,436 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 163 transitions. Word has length 15 [2019-11-28 02:47:41,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:41,437 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 163 transitions. [2019-11-28 02:47:41,437 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:47:41,437 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 163 transitions. [2019-11-28 02:47:41,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 02:47:41,438 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:41,438 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 02:47:41,439 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 02:47:41,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:41,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1734591538, now seen corresponding path program 1 times [2019-11-28 02:47:41,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:41,440 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900280428] [2019-11-28 02:47:41,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:41,501 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 02:47:41,501 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900280428] [2019-11-28 02:47:41,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:41,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:47:41,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420555864] [2019-11-28 02:47:41,502 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:47:41,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:41,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:47:41,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:47:41,503 INFO L87 Difference]: Start difference. First operand 150 states and 163 transitions. Second operand 6 states. [2019-11-28 02:47:41,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:41,787 INFO L93 Difference]: Finished difference Result 157 states and 165 transitions. [2019-11-28 02:47:41,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 02:47:41,788 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-11-28 02:47:41,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:41,789 INFO L225 Difference]: With dead ends: 157 [2019-11-28 02:47:41,790 INFO L226 Difference]: Without dead ends: 157 [2019-11-28 02:47:41,790 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 02:47:41,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-28 02:47:41,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 149. [2019-11-28 02:47:41,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-11-28 02:47:41,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 161 transitions. [2019-11-28 02:47:41,797 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 161 transitions. Word has length 17 [2019-11-28 02:47:41,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:41,797 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 161 transitions. [2019-11-28 02:47:41,797 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:47:41,798 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 161 transitions. [2019-11-28 02:47:41,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 02:47:41,798 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:41,798 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 02:47:41,799 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 02:47:41,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:41,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1734591539, now seen corresponding path program 1 times [2019-11-28 02:47:41,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:41,800 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392899306] [2019-11-28 02:47:41,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:41,868 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 02:47:41,868 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392899306] [2019-11-28 02:47:41,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:41,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:47:41,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749664515] [2019-11-28 02:47:41,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:47:41,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:41,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:47:41,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:47:41,870 INFO L87 Difference]: Start difference. First operand 149 states and 161 transitions. Second operand 6 states. [2019-11-28 02:47:42,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:42,194 INFO L93 Difference]: Finished difference Result 148 states and 159 transitions. [2019-11-28 02:47:42,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:47:42,195 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-11-28 02:47:42,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:42,197 INFO L225 Difference]: With dead ends: 148 [2019-11-28 02:47:42,197 INFO L226 Difference]: Without dead ends: 148 [2019-11-28 02:47:42,198 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 02:47:42,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-11-28 02:47:42,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2019-11-28 02:47:42,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-28 02:47:42,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 159 transitions. [2019-11-28 02:47:42,202 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 159 transitions. Word has length 17 [2019-11-28 02:47:42,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:42,203 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 159 transitions. [2019-11-28 02:47:42,203 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:47:42,203 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 159 transitions. [2019-11-28 02:47:42,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 02:47:42,204 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:42,204 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 02:47:42,204 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 02:47:42,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:42,205 INFO L82 PathProgramCache]: Analyzing trace with hash -801854261, now seen corresponding path program 1 times [2019-11-28 02:47:42,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:42,205 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331883551] [2019-11-28 02:47:42,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:42,331 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 02:47:42,332 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331883551] [2019-11-28 02:47:42,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:42,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-28 02:47:42,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873395983] [2019-11-28 02:47:42,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 02:47:42,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:42,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 02:47:42,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:47:42,334 INFO L87 Difference]: Start difference. First operand 148 states and 159 transitions. Second operand 10 states. [2019-11-28 02:47:42,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:42,819 INFO L93 Difference]: Finished difference Result 152 states and 159 transitions. [2019-11-28 02:47:42,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 02:47:42,820 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2019-11-28 02:47:42,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:42,821 INFO L225 Difference]: With dead ends: 152 [2019-11-28 02:47:42,822 INFO L226 Difference]: Without dead ends: 152 [2019-11-28 02:47:42,822 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 02:47:42,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-11-28 02:47:42,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 147. [2019-11-28 02:47:42,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-11-28 02:47:42,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 158 transitions. [2019-11-28 02:47:42,828 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 158 transitions. Word has length 19 [2019-11-28 02:47:42,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:42,828 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 158 transitions. [2019-11-28 02:47:42,828 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 02:47:42,828 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 158 transitions. [2019-11-28 02:47:42,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 02:47:42,829 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:42,829 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 02:47:42,830 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 02:47:42,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:42,830 INFO L82 PathProgramCache]: Analyzing trace with hash -801854260, now seen corresponding path program 1 times [2019-11-28 02:47:42,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:42,831 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411799902] [2019-11-28 02:47:42,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:43,011 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 02:47:43,011 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411799902] [2019-11-28 02:47:43,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:43,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-28 02:47:43,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071991092] [2019-11-28 02:47:43,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 02:47:43,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:43,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 02:47:43,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-28 02:47:43,014 INFO L87 Difference]: Start difference. First operand 147 states and 158 transitions. Second operand 11 states. [2019-11-28 02:47:43,709 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2019-11-28 02:47:44,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:44,272 INFO L93 Difference]: Finished difference Result 149 states and 156 transitions. [2019-11-28 02:47:44,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-28 02:47:44,274 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2019-11-28 02:47:44,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:44,275 INFO L225 Difference]: With dead ends: 149 [2019-11-28 02:47:44,275 INFO L226 Difference]: Without dead ends: 149 [2019-11-28 02:47:44,276 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2019-11-28 02:47:44,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-11-28 02:47:44,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 125. [2019-11-28 02:47:44,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-11-28 02:47:44,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 135 transitions. [2019-11-28 02:47:44,280 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 135 transitions. Word has length 19 [2019-11-28 02:47:44,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:44,280 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 135 transitions. [2019-11-28 02:47:44,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 02:47:44,280 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 135 transitions. [2019-11-28 02:47:44,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 02:47:44,281 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:44,281 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 02:47:44,281 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 02:47:44,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:44,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1829953186, now seen corresponding path program 1 times [2019-11-28 02:47:44,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:44,282 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492543830] [2019-11-28 02:47:44,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:44,398 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 02:47:44,399 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492543830] [2019-11-28 02:47:44,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:44,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 02:47:44,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261463835] [2019-11-28 02:47:44,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 02:47:44,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:44,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 02:47:44,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:47:44,400 INFO L87 Difference]: Start difference. First operand 125 states and 135 transitions. Second operand 9 states. [2019-11-28 02:47:44,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:44,992 INFO L93 Difference]: Finished difference Result 128 states and 139 transitions. [2019-11-28 02:47:44,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 02:47:44,993 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2019-11-28 02:47:44,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:44,995 INFO L225 Difference]: With dead ends: 128 [2019-11-28 02:47:44,995 INFO L226 Difference]: Without dead ends: 128 [2019-11-28 02:47:44,996 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 02:47:44,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-11-28 02:47:44,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2019-11-28 02:47:44,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-28 02:47:44,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 134 transitions. [2019-11-28 02:47:45,000 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 134 transitions. Word has length 20 [2019-11-28 02:47:45,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:45,000 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 134 transitions. [2019-11-28 02:47:45,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 02:47:45,000 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 134 transitions. [2019-11-28 02:47:45,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 02:47:45,001 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:45,001 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 02:47:45,001 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 02:47:45,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:45,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1829953187, now seen corresponding path program 1 times [2019-11-28 02:47:45,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:45,002 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558701071] [2019-11-28 02:47:45,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:45,111 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 02:47:45,111 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558701071] [2019-11-28 02:47:45,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:45,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 02:47:45,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137086376] [2019-11-28 02:47:45,113 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 02:47:45,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:45,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 02:47:45,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:47:45,113 INFO L87 Difference]: Start difference. First operand 124 states and 134 transitions. Second operand 9 states. [2019-11-28 02:47:45,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:45,575 INFO L93 Difference]: Finished difference Result 127 states and 138 transitions. [2019-11-28 02:47:45,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 02:47:45,575 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2019-11-28 02:47:45,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:45,577 INFO L225 Difference]: With dead ends: 127 [2019-11-28 02:47:45,577 INFO L226 Difference]: Without dead ends: 127 [2019-11-28 02:47:45,577 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 02:47:45,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-28 02:47:45,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 123. [2019-11-28 02:47:45,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-11-28 02:47:45,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 133 transitions. [2019-11-28 02:47:45,582 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 133 transitions. Word has length 20 [2019-11-28 02:47:45,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:45,582 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 133 transitions. [2019-11-28 02:47:45,582 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 02:47:45,582 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 133 transitions. [2019-11-28 02:47:45,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-28 02:47:45,583 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:45,583 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 02:47:45,583 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 02:47:45,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:45,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1782798357, now seen corresponding path program 1 times [2019-11-28 02:47:45,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:45,584 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471257307] [2019-11-28 02:47:45,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:45,681 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 02:47:45,681 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471257307] [2019-11-28 02:47:45,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:45,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 02:47:45,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054057785] [2019-11-28 02:47:45,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 02:47:45,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:45,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 02:47:45,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:47:45,683 INFO L87 Difference]: Start difference. First operand 123 states and 133 transitions. Second operand 7 states. [2019-11-28 02:47:46,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:46,047 INFO L93 Difference]: Finished difference Result 224 states and 244 transitions. [2019-11-28 02:47:46,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 02:47:46,048 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2019-11-28 02:47:46,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:46,050 INFO L225 Difference]: With dead ends: 224 [2019-11-28 02:47:46,050 INFO L226 Difference]: Without dead ends: 224 [2019-11-28 02:47:46,050 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 02:47:46,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-11-28 02:47:46,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 121. [2019-11-28 02:47:46,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-28 02:47:46,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 131 transitions. [2019-11-28 02:47:46,054 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 131 transitions. Word has length 21 [2019-11-28 02:47:46,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:46,054 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 131 transitions. [2019-11-28 02:47:46,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 02:47:46,054 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 131 transitions. [2019-11-28 02:47:46,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 02:47:46,055 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:46,055 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 02:47:46,056 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 02:47:46,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:46,056 INFO L82 PathProgramCache]: Analyzing trace with hash -115454954, now seen corresponding path program 1 times [2019-11-28 02:47:46,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:46,057 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472015457] [2019-11-28 02:47:46,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:46,104 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 02:47:46,104 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472015457] [2019-11-28 02:47:46,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:46,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:47:46,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842962389] [2019-11-28 02:47:46,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:47:46,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:46,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:47:46,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:47:46,106 INFO L87 Difference]: Start difference. First operand 121 states and 131 transitions. Second operand 5 states. [2019-11-28 02:47:46,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:46,346 INFO L93 Difference]: Finished difference Result 181 states and 186 transitions. [2019-11-28 02:47:46,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 02:47:46,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-28 02:47:46,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:46,348 INFO L225 Difference]: With dead ends: 181 [2019-11-28 02:47:46,348 INFO L226 Difference]: Without dead ends: 181 [2019-11-28 02:47:46,348 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 02:47:46,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2019-11-28 02:47:46,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 119. [2019-11-28 02:47:46,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-28 02:47:46,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 129 transitions. [2019-11-28 02:47:46,356 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 129 transitions. Word has length 23 [2019-11-28 02:47:46,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:46,357 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 129 transitions. [2019-11-28 02:47:46,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:47:46,357 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 129 transitions. [2019-11-28 02:47:46,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 02:47:46,360 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:46,360 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 02:47:46,361 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 02:47:46,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:46,361 INFO L82 PathProgramCache]: Analyzing trace with hash -991601776, now seen corresponding path program 1 times [2019-11-28 02:47:46,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:46,362 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985687552] [2019-11-28 02:47:46,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:46,444 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 02:47:46,446 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985687552] [2019-11-28 02:47:46,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:46,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 02:47:46,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882390770] [2019-11-28 02:47:46,448 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:47:46,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:46,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:47:46,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:47:46,449 INFO L87 Difference]: Start difference. First operand 119 states and 129 transitions. Second operand 6 states. [2019-11-28 02:47:46,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:46,679 INFO L93 Difference]: Finished difference Result 117 states and 126 transitions. [2019-11-28 02:47:46,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 02:47:46,679 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2019-11-28 02:47:46,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:46,681 INFO L225 Difference]: With dead ends: 117 [2019-11-28 02:47:46,681 INFO L226 Difference]: Without dead ends: 117 [2019-11-28 02:47:46,681 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 02:47:46,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-11-28 02:47:46,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-11-28 02:47:46,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-28 02:47:46,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 126 transitions. [2019-11-28 02:47:46,686 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 126 transitions. Word has length 28 [2019-11-28 02:47:46,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:46,687 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 126 transitions. [2019-11-28 02:47:46,687 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:47:46,687 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 126 transitions. [2019-11-28 02:47:46,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 02:47:46,693 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:46,693 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 02:47:46,694 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 02:47:46,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:46,695 INFO L82 PathProgramCache]: Analyzing trace with hash -991569005, now seen corresponding path program 1 times [2019-11-28 02:47:46,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:46,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777058241] [2019-11-28 02:47:46,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:47,047 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 02:47:47,047 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777058241] [2019-11-28 02:47:47,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:47,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-28 02:47:47,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474897926] [2019-11-28 02:47:47,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-28 02:47:47,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:47,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-28 02:47:47,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2019-11-28 02:47:47,054 INFO L87 Difference]: Start difference. First operand 117 states and 126 transitions. Second operand 13 states. [2019-11-28 02:47:47,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:47,750 INFO L93 Difference]: Finished difference Result 219 states and 223 transitions. [2019-11-28 02:47:47,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-28 02:47:47,751 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 28 [2019-11-28 02:47:47,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:47,753 INFO L225 Difference]: With dead ends: 219 [2019-11-28 02:47:47,753 INFO L226 Difference]: Without dead ends: 219 [2019-11-28 02:47:47,754 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 02:47:47,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2019-11-28 02:47:47,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 132. [2019-11-28 02:47:47,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-11-28 02:47:47,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 142 transitions. [2019-11-28 02:47:47,758 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 142 transitions. Word has length 28 [2019-11-28 02:47:47,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:47,758 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 142 transitions. [2019-11-28 02:47:47,759 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-28 02:47:47,759 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 142 transitions. [2019-11-28 02:47:47,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-28 02:47:47,759 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:47,759 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 02:47:47,760 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 02:47:47,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:47,760 INFO L82 PathProgramCache]: Analyzing trace with hash -19386319, now seen corresponding path program 1 times [2019-11-28 02:47:47,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:47,761 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539744818] [2019-11-28 02:47:47,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:47,914 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 02:47:47,914 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539744818] [2019-11-28 02:47:47,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:47,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-28 02:47:47,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94706756] [2019-11-28 02:47:47,915 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-28 02:47:47,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:47,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-28 02:47:47,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2019-11-28 02:47:47,916 INFO L87 Difference]: Start difference. First operand 132 states and 142 transitions. Second operand 13 states. [2019-11-28 02:47:48,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:48,656 INFO L93 Difference]: Finished difference Result 185 states and 190 transitions. [2019-11-28 02:47:48,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-28 02:47:48,656 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 31 [2019-11-28 02:47:48,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:48,658 INFO L225 Difference]: With dead ends: 185 [2019-11-28 02:47:48,659 INFO L226 Difference]: Without dead ends: 185 [2019-11-28 02:47:48,659 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 02:47:48,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2019-11-28 02:47:48,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 138. [2019-11-28 02:47:48,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-28 02:47:48,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 149 transitions. [2019-11-28 02:47:48,663 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 149 transitions. Word has length 31 [2019-11-28 02:47:48,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:48,664 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 149 transitions. [2019-11-28 02:47:48,664 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-28 02:47:48,664 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 149 transitions. [2019-11-28 02:47:48,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-28 02:47:48,665 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:48,665 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 02:47:48,665 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 02:47:48,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:48,666 INFO L82 PathProgramCache]: Analyzing trace with hash -19386318, now seen corresponding path program 1 times [2019-11-28 02:47:48,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:48,666 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952810689] [2019-11-28 02:47:48,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:48,957 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 02:47:48,957 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952810689] [2019-11-28 02:47:48,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:48,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-28 02:47:48,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838550408] [2019-11-28 02:47:48,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-28 02:47:48,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:48,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-28 02:47:48,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-11-28 02:47:48,959 INFO L87 Difference]: Start difference. First operand 138 states and 149 transitions. Second operand 13 states. [2019-11-28 02:47:49,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:50,000 INFO L93 Difference]: Finished difference Result 217 states and 221 transitions. [2019-11-28 02:47:50,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-28 02:47:50,000 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 31 [2019-11-28 02:47:50,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:50,002 INFO L225 Difference]: With dead ends: 217 [2019-11-28 02:47:50,003 INFO L226 Difference]: Without dead ends: 217 [2019-11-28 02:47:50,004 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2019-11-28 02:47:50,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2019-11-28 02:47:50,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 138. [2019-11-28 02:47:50,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-28 02:47:50,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 148 transitions. [2019-11-28 02:47:50,008 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 148 transitions. Word has length 31 [2019-11-28 02:47:50,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:50,008 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 148 transitions. [2019-11-28 02:47:50,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-28 02:47:50,008 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 148 transitions. [2019-11-28 02:47:50,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 02:47:50,009 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:50,009 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 02:47:50,009 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 02:47:50,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:50,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1450378863, now seen corresponding path program 1 times [2019-11-28 02:47:50,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:50,010 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697086432] [2019-11-28 02:47:50,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:47:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:47:50,074 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:47:50,074 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 02:47:50,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:47:50 BoogieIcfgContainer [2019-11-28 02:47:50,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:47:50,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:47:50,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:47:50,113 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:47:50,114 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:37" (3/4) ... [2019-11-28 02:47:50,119 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 02:47:50,171 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 02:47:50,171 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:47:50,173 INFO L168 Benchmark]: Toolchain (without parser) took 13916.25 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 331.9 MB). Free memory was 955.0 MB in the beginning and 968.5 MB in the end (delta: -13.5 MB). Peak memory consumption was 318.4 MB. Max. memory is 11.5 GB. [2019-11-28 02:47:50,174 INFO L168 Benchmark]: CDTParser took 0.19 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 02:47:50,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:47:50,175 INFO L168 Benchmark]: Boogie Preprocessor took 71.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:47:50,175 INFO L168 Benchmark]: RCFGBuilder took 854.86 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: 64.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 11.5 GB. [2019-11-28 02:47:50,176 INFO L168 Benchmark]: TraceAbstraction took 12287.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.3 MB). Free memory was 1.1 GB in the beginning and 968.5 MB in the end (delta: 83.6 MB). Peak memory consumption was 273.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:47:50,176 INFO L168 Benchmark]: Witness Printer took 58.44 ms. Allocated memory is still 1.4 GB. Free memory is still 968.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:47:50,179 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 639.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 854.86 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: 64.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12287.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.3 MB). Free memory was 1.1 GB in the beginning and 968.5 MB in the end (delta: 83.6 MB). Peak memory consumption was 273.9 MB. Max. memory is 11.5 GB. * Witness Printer took 58.44 ms. Allocated memory is still 1.4 GB. Free memory is still 968.5 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: 12.1s, OverallIterations: 19, TraceHistogramMax: 1, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1405 SDtfs, 2685 SDslu, 3030 SDs, 0 SdLazy, 6679 SolverSat, 357 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 3.0s 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, 1.9s 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...