./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/forester-heap/dll-01-1.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-01-1.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 b7feccaf382e9f358fe7bd48bccc9b98dfa2aebd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:47:30,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:47:30,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:47:30,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:47:30,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:47:30,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:47:30,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:47:30,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:47:30,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:47:30,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:47:30,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:47:30,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:47:30,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:47:30,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:47:30,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:47:30,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:47:30,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:47:30,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:47:30,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:47:30,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:47:30,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:47:30,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:47:30,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:47:30,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:47:30,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:47:30,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:47:30,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:47:30,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:47:30,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:47:30,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:47:30,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:47:30,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:47:30,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:47:30,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:47:30,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:47:30,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:47:30,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:47:30,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:47:30,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:47:30,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:47:30,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:47:30,957 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-28 02:47:30,992 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:47:30,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:47:30,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:47:30,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:47:30,999 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:47:30,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:47:31,000 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:47:31,000 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:47:31,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:47:31,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:47:31,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:47:31,002 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:47:31,002 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:47:31,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:47:31,003 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:47:31,004 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:47:31,004 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:47:31,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:47:31,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:47:31,005 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:47:31,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:47:31,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:47:31,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:47:31,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:47:31,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:47:31,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:47:31,007 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 -> b7feccaf382e9f358fe7bd48bccc9b98dfa2aebd [2019-11-28 02:47:31,309 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:47:31,327 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:47:31,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:47:31,332 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:47:31,333 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:47:31,334 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-01-1.i [2019-11-28 02:47:31,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a55b983/5821ae662f8d45ea9e21265440b50a91/FLAG963b26ce9 [2019-11-28 02:47:31,893 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:47:31,893 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-01-1.i [2019-11-28 02:47:31,907 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a55b983/5821ae662f8d45ea9e21265440b50a91/FLAG963b26ce9 [2019-11-28 02:47:32,259 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a55b983/5821ae662f8d45ea9e21265440b50a91 [2019-11-28 02:47:32,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:47:32,264 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:47:32,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:47:32,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:47:32,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:47:32,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:32" (1/1) ... [2019-11-28 02:47:32,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dd890cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:32, skipping insertion in model container [2019-11-28 02:47:32,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:32" (1/1) ... [2019-11-28 02:47:32,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:47:32,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:47:32,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:47:32,787 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:47:32,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:47:32,920 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:47:32,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:32 WrapperNode [2019-11-28 02:47:32,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:47:32,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:47:32,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:47:32,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:47:32,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:32" (1/1) ... [2019-11-28 02:47:32,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:32" (1/1) ... [2019-11-28 02:47:32,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:32" (1/1) ... [2019-11-28 02:47:32,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:32" (1/1) ... [2019-11-28 02:47:32,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:32" (1/1) ... [2019-11-28 02:47:33,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:32" (1/1) ... [2019-11-28 02:47:33,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:32" (1/1) ... [2019-11-28 02:47:33,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:47:33,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:47:33,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:47:33,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:47:33,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:32" (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 02:47:33,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:47:33,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:47:33,073 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:47:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 02:47:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 02:47:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 02:47:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 02:47:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 02:47:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 02:47:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 02:47:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 02:47:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 02:47:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 02:47:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 02:47:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 02:47:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 02:47:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 02:47:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 02:47:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 02:47:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 02:47:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 02:47:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 02:47:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 02:47:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 02:47:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 02:47:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 02:47:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 02:47:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 02:47:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 02:47:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 02:47:33,080 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 02:47:33,080 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 02:47:33,080 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 02:47:33,080 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 02:47:33,080 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 02:47:33,080 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 02:47:33,081 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 02:47:33,081 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 02:47:33,081 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 02:47:33,081 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 02:47:33,081 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 02:47:33,081 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 02:47:33,081 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 02:47:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 02:47:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 02:47:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 02:47:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 02:47:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 02:47:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 02:47:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 02:47:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 02:47:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 02:47:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 02:47:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 02:47:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 02:47:33,083 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 02:47:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 02:47:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-28 02:47:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 02:47:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 02:47:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 02:47:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 02:47:33,084 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 02:47:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 02:47:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 02:47:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 02:47:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 02:47:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 02:47:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 02:47:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 02:47:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 02:47:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 02:47:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 02:47:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 02:47:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 02:47:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 02:47:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 02:47:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 02:47:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 02:47:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 02:47:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 02:47:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 02:47:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 02:47:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 02:47:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 02:47:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 02:47:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 02:47:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 02:47:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 02:47:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 02:47:33,089 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 02:47:33,089 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 02:47:33,089 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 02:47:33,089 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 02:47:33,089 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 02:47:33,089 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 02:47:33,089 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 02:47:33,090 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 02:47:33,090 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 02:47:33,090 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 02:47:33,090 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 02:47:33,090 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 02:47:33,090 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 02:47:33,090 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 02:47:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 02:47:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 02:47:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 02:47:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 02:47:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:47:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 02:47:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 02:47:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 02:47:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:47:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:47:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:47:33,997 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:47:33,998 INFO L297 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-28 02:47:33,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:33 BoogieIcfgContainer [2019-11-28 02:47:33,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:47:34,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:47:34,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:47:34,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:47:34,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:47:32" (1/3) ... [2019-11-28 02:47:34,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f2052e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:34, skipping insertion in model container [2019-11-28 02:47:34,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:32" (2/3) ... [2019-11-28 02:47:34,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f2052e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:34, skipping insertion in model container [2019-11-28 02:47:34,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:33" (3/3) ... [2019-11-28 02:47:34,009 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-01-1.i [2019-11-28 02:47:34,019 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:47:34,030 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 84 error locations. [2019-11-28 02:47:34,052 INFO L249 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2019-11-28 02:47:34,074 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:47:34,075 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:47:34,075 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:47:34,080 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:47:34,081 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:47:34,081 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:47:34,081 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:47:34,081 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:47:34,123 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2019-11-28 02:47:34,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 02:47:34,132 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:34,133 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:34,134 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:34,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:34,140 INFO L82 PathProgramCache]: Analyzing trace with hash 672062655, now seen corresponding path program 1 times [2019-11-28 02:47:34,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:34,150 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131406205] [2019-11-28 02:47:34,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:34,329 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 02:47:34,330 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131406205] [2019-11-28 02:47:34,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:34,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:47:34,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182672415] [2019-11-28 02:47:34,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:47:34,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:34,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:47:34,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:47:34,359 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 4 states. [2019-11-28 02:47:34,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:34,936 INFO L93 Difference]: Finished difference Result 202 states and 212 transitions. [2019-11-28 02:47:34,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:47:34,938 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 02:47:34,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:34,954 INFO L225 Difference]: With dead ends: 202 [2019-11-28 02:47:34,954 INFO L226 Difference]: Without dead ends: 198 [2019-11-28 02:47:34,959 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:47:34,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-11-28 02:47:35,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 193. [2019-11-28 02:47:35,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-11-28 02:47:35,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 205 transitions. [2019-11-28 02:47:35,031 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 205 transitions. Word has length 7 [2019-11-28 02:47:35,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:35,032 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 205 transitions. [2019-11-28 02:47:35,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:47:35,032 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 205 transitions. [2019-11-28 02:47:35,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 02:47:35,032 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:35,033 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:35,033 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:35,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:35,034 INFO L82 PathProgramCache]: Analyzing trace with hash 672062656, now seen corresponding path program 1 times [2019-11-28 02:47:35,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:35,034 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624168177] [2019-11-28 02:47:35,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:35,107 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 02:47:35,107 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624168177] [2019-11-28 02:47:35,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:35,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:47:35,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396299112] [2019-11-28 02:47:35,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:47:35,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:35,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:47:35,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:47:35,111 INFO L87 Difference]: Start difference. First operand 193 states and 205 transitions. Second operand 4 states. [2019-11-28 02:47:35,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:35,538 INFO L93 Difference]: Finished difference Result 222 states and 233 transitions. [2019-11-28 02:47:35,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:47:35,539 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 02:47:35,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:35,541 INFO L225 Difference]: With dead ends: 222 [2019-11-28 02:47:35,541 INFO L226 Difference]: Without dead ends: 222 [2019-11-28 02:47:35,542 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 02:47:35,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2019-11-28 02:47:35,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 202. [2019-11-28 02:47:35,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-11-28 02:47:35,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 225 transitions. [2019-11-28 02:47:35,556 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 225 transitions. Word has length 7 [2019-11-28 02:47:35,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:35,557 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 225 transitions. [2019-11-28 02:47:35,557 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:47:35,557 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 225 transitions. [2019-11-28 02:47:35,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 02:47:35,558 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:35,558 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:35,558 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:35,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:35,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1719002423, now seen corresponding path program 1 times [2019-11-28 02:47:35,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:35,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650105114] [2019-11-28 02:47:35,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:35,615 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 02:47:35,616 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650105114] [2019-11-28 02:47:35,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:35,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:47:35,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990519350] [2019-11-28 02:47:35,617 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:47:35,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:35,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:47:35,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:47:35,618 INFO L87 Difference]: Start difference. First operand 202 states and 225 transitions. Second operand 4 states. [2019-11-28 02:47:35,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:35,927 INFO L93 Difference]: Finished difference Result 217 states and 228 transitions. [2019-11-28 02:47:35,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:47:35,928 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-28 02:47:35,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:35,929 INFO L225 Difference]: With dead ends: 217 [2019-11-28 02:47:35,930 INFO L226 Difference]: Without dead ends: 217 [2019-11-28 02:47:35,930 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 02:47:35,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2019-11-28 02:47:35,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 200. [2019-11-28 02:47:35,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-11-28 02:47:35,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 222 transitions. [2019-11-28 02:47:35,943 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 222 transitions. Word has length 10 [2019-11-28 02:47:35,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:35,943 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 222 transitions. [2019-11-28 02:47:35,944 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:47:35,944 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 222 transitions. [2019-11-28 02:47:35,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 02:47:35,944 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:35,945 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:35,945 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:35,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:35,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1657537492, now seen corresponding path program 1 times [2019-11-28 02:47:35,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:35,946 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65362499] [2019-11-28 02:47:35,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:36,042 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 02:47:36,042 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65362499] [2019-11-28 02:47:36,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:36,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:47:36,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784683282] [2019-11-28 02:47:36,043 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:47:36,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:36,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:47:36,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:47:36,045 INFO L87 Difference]: Start difference. First operand 200 states and 222 transitions. Second operand 6 states. [2019-11-28 02:47:36,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:36,898 INFO L93 Difference]: Finished difference Result 347 states and 377 transitions. [2019-11-28 02:47:36,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:47:36,899 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-11-28 02:47:36,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:36,901 INFO L225 Difference]: With dead ends: 347 [2019-11-28 02:47:36,901 INFO L226 Difference]: Without dead ends: 347 [2019-11-28 02:47:36,902 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 02:47:36,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2019-11-28 02:47:36,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 199. [2019-11-28 02:47:36,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-11-28 02:47:36,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 221 transitions. [2019-11-28 02:47:36,915 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 221 transitions. Word has length 15 [2019-11-28 02:47:36,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:36,916 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 221 transitions. [2019-11-28 02:47:36,916 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:47:36,916 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 221 transitions. [2019-11-28 02:47:36,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 02:47:36,917 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:36,920 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:36,920 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:36,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:36,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1657537493, now seen corresponding path program 1 times [2019-11-28 02:47:36,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:36,922 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16366381] [2019-11-28 02:47:36,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:37,001 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 02:47:37,002 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16366381] [2019-11-28 02:47:37,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:37,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:47:37,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278898517] [2019-11-28 02:47:37,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:47:37,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:37,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:47:37,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:47:37,004 INFO L87 Difference]: Start difference. First operand 199 states and 221 transitions. Second operand 6 states. [2019-11-28 02:47:37,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:37,803 INFO L93 Difference]: Finished difference Result 374 states and 417 transitions. [2019-11-28 02:47:37,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:47:37,804 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-11-28 02:47:37,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:37,806 INFO L225 Difference]: With dead ends: 374 [2019-11-28 02:47:37,806 INFO L226 Difference]: Without dead ends: 374 [2019-11-28 02:47:37,807 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 02:47:37,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2019-11-28 02:47:37,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 198. [2019-11-28 02:47:37,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2019-11-28 02:47:37,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 220 transitions. [2019-11-28 02:47:37,818 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 220 transitions. Word has length 15 [2019-11-28 02:47:37,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:37,818 INFO L462 AbstractCegarLoop]: Abstraction has 198 states and 220 transitions. [2019-11-28 02:47:37,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:47:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 220 transitions. [2019-11-28 02:47:37,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 02:47:37,819 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:37,820 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:37,820 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:37,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:37,821 INFO L82 PathProgramCache]: Analyzing trace with hash 460436990, now seen corresponding path program 1 times [2019-11-28 02:47:37,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:37,821 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270099337] [2019-11-28 02:47:37,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:37,963 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 02:47:37,967 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270099337] [2019-11-28 02:47:37,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:37,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 02:47:37,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423270343] [2019-11-28 02:47:37,968 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 02:47:37,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:37,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 02:47:37,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:47:37,969 INFO L87 Difference]: Start difference. First operand 198 states and 220 transitions. Second operand 9 states. [2019-11-28 02:47:39,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:39,085 INFO L93 Difference]: Finished difference Result 346 states and 375 transitions. [2019-11-28 02:47:39,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 02:47:39,086 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-11-28 02:47:39,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:39,088 INFO L225 Difference]: With dead ends: 346 [2019-11-28 02:47:39,088 INFO L226 Difference]: Without dead ends: 346 [2019-11-28 02:47:39,089 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 02:47:39,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2019-11-28 02:47:39,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 197. [2019-11-28 02:47:39,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-11-28 02:47:39,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 219 transitions. [2019-11-28 02:47:39,102 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 219 transitions. Word has length 18 [2019-11-28 02:47:39,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:39,102 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 219 transitions. [2019-11-28 02:47:39,102 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 02:47:39,106 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 219 transitions. [2019-11-28 02:47:39,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 02:47:39,107 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:39,107 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:39,107 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:39,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:39,108 INFO L82 PathProgramCache]: Analyzing trace with hash 460436991, now seen corresponding path program 1 times [2019-11-28 02:47:39,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:39,108 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499093623] [2019-11-28 02:47:39,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:39,310 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 02:47:39,310 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499093623] [2019-11-28 02:47:39,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:39,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 02:47:39,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874369128] [2019-11-28 02:47:39,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 02:47:39,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:39,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 02:47:39,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:47:39,316 INFO L87 Difference]: Start difference. First operand 197 states and 219 transitions. Second operand 9 states. [2019-11-28 02:47:40,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:40,742 INFO L93 Difference]: Finished difference Result 347 states and 376 transitions. [2019-11-28 02:47:40,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 02:47:40,742 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-11-28 02:47:40,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:40,745 INFO L225 Difference]: With dead ends: 347 [2019-11-28 02:47:40,745 INFO L226 Difference]: Without dead ends: 347 [2019-11-28 02:47:40,746 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-11-28 02:47:40,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2019-11-28 02:47:40,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 196. [2019-11-28 02:47:40,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2019-11-28 02:47:40,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 218 transitions. [2019-11-28 02:47:40,752 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 218 transitions. Word has length 18 [2019-11-28 02:47:40,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:40,752 INFO L462 AbstractCegarLoop]: Abstraction has 196 states and 218 transitions. [2019-11-28 02:47:40,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 02:47:40,752 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 218 transitions. [2019-11-28 02:47:40,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 02:47:40,753 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:40,753 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:40,754 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:40,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:40,754 INFO L82 PathProgramCache]: Analyzing trace with hash 190963596, now seen corresponding path program 1 times [2019-11-28 02:47:40,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:40,754 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772757872] [2019-11-28 02:47:40,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:40,813 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 02:47:40,814 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772757872] [2019-11-28 02:47:40,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:40,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:47:40,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459702078] [2019-11-28 02:47:40,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:47:40,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:40,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:47:40,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:47:40,815 INFO L87 Difference]: Start difference. First operand 196 states and 218 transitions. Second operand 4 states. [2019-11-28 02:47:41,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:41,035 INFO L93 Difference]: Finished difference Result 197 states and 219 transitions. [2019-11-28 02:47:41,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:47:41,036 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2019-11-28 02:47:41,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:41,037 INFO L225 Difference]: With dead ends: 197 [2019-11-28 02:47:41,038 INFO L226 Difference]: Without dead ends: 197 [2019-11-28 02:47:41,038 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 02:47:41,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-11-28 02:47:41,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2019-11-28 02:47:41,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-11-28 02:47:41,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 219 transitions. [2019-11-28 02:47:41,044 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 219 transitions. Word has length 18 [2019-11-28 02:47:41,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:41,045 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 219 transitions. [2019-11-28 02:47:41,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:47:41,045 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 219 transitions. [2019-11-28 02:47:41,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 02:47:41,046 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:41,046 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 02:47:41,047 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:41,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:41,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1165941967, now seen corresponding path program 1 times [2019-11-28 02:47:41,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:41,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316244930] [2019-11-28 02:47:41,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:41,162 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 02:47:41,163 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316244930] [2019-11-28 02:47:41,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:41,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 02:47:41,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54423694] [2019-11-28 02:47:41,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 02:47:41,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:41,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 02:47:41,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-28 02:47:41,170 INFO L87 Difference]: Start difference. First operand 197 states and 219 transitions. Second operand 8 states. [2019-11-28 02:47:41,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:41,681 INFO L93 Difference]: Finished difference Result 284 states and 312 transitions. [2019-11-28 02:47:41,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 02:47:41,682 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2019-11-28 02:47:41,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:41,684 INFO L225 Difference]: With dead ends: 284 [2019-11-28 02:47:41,684 INFO L226 Difference]: Without dead ends: 284 [2019-11-28 02:47:41,685 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-11-28 02:47:41,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2019-11-28 02:47:41,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 194. [2019-11-28 02:47:41,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-28 02:47:41,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 216 transitions. [2019-11-28 02:47:41,690 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 216 transitions. Word has length 20 [2019-11-28 02:47:41,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:41,690 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 216 transitions. [2019-11-28 02:47:41,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 02:47:41,691 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 216 transitions. [2019-11-28 02:47:41,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 02:47:41,691 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:41,692 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] [2019-11-28 02:47:41,692 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:41,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:41,692 INFO L82 PathProgramCache]: Analyzing trace with hash -932363818, now seen corresponding path program 1 times [2019-11-28 02:47:41,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:41,693 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855313323] [2019-11-28 02:47:41,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:41,759 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 02:47:41,760 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855313323] [2019-11-28 02:47:41,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:41,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 02:47:41,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813258814] [2019-11-28 02:47:41,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:47:41,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:41,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:47:41,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:47:41,761 INFO L87 Difference]: Start difference. First operand 194 states and 216 transitions. Second operand 6 states. [2019-11-28 02:47:42,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:42,175 INFO L93 Difference]: Finished difference Result 285 states and 312 transitions. [2019-11-28 02:47:42,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:47:42,175 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-28 02:47:42,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:42,177 INFO L225 Difference]: With dead ends: 285 [2019-11-28 02:47:42,177 INFO L226 Difference]: Without dead ends: 285 [2019-11-28 02:47:42,177 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 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 02:47:42,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2019-11-28 02:47:42,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 197. [2019-11-28 02:47:42,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-11-28 02:47:42,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 219 transitions. [2019-11-28 02:47:42,183 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 219 transitions. Word has length 22 [2019-11-28 02:47:42,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:42,183 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 219 transitions. [2019-11-28 02:47:42,183 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:47:42,183 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 219 transitions. [2019-11-28 02:47:42,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 02:47:42,184 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:42,184 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] [2019-11-28 02:47:42,185 INFO L410 AbstractCegarLoop]: === Iteration 11 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:42,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:42,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1991759109, now seen corresponding path program 1 times [2019-11-28 02:47:42,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:42,185 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82663716] [2019-11-28 02:47:42,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:42,234 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 02:47:42,234 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82663716] [2019-11-28 02:47:42,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:42,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:47:42,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25920161] [2019-11-28 02:47:42,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:47:42,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:42,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:47:42,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:47:42,236 INFO L87 Difference]: Start difference. First operand 197 states and 219 transitions. Second operand 5 states. [2019-11-28 02:47:42,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:42,560 INFO L93 Difference]: Finished difference Result 192 states and 212 transitions. [2019-11-28 02:47:42,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:47:42,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-28 02:47:42,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:42,562 INFO L225 Difference]: With dead ends: 192 [2019-11-28 02:47:42,563 INFO L226 Difference]: Without dead ends: 192 [2019-11-28 02:47:42,563 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 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 02:47:42,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-11-28 02:47:42,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 187. [2019-11-28 02:47:42,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2019-11-28 02:47:42,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 209 transitions. [2019-11-28 02:47:42,568 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 209 transitions. Word has length 24 [2019-11-28 02:47:42,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:42,568 INFO L462 AbstractCegarLoop]: Abstraction has 187 states and 209 transitions. [2019-11-28 02:47:42,568 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:47:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 209 transitions. [2019-11-28 02:47:42,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 02:47:42,569 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:42,569 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] [2019-11-28 02:47:42,570 INFO L410 AbstractCegarLoop]: === Iteration 12 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:42,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:42,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1991759108, now seen corresponding path program 1 times [2019-11-28 02:47:42,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:42,570 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599588973] [2019-11-28 02:47:42,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:42,641 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 02:47:42,642 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599588973] [2019-11-28 02:47:42,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:42,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:47:42,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733119928] [2019-11-28 02:47:42,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:47:42,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:42,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:47:42,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:47:42,643 INFO L87 Difference]: Start difference. First operand 187 states and 209 transitions. Second operand 5 states. [2019-11-28 02:47:43,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:43,049 INFO L93 Difference]: Finished difference Result 247 states and 262 transitions. [2019-11-28 02:47:43,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:47:43,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-28 02:47:43,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:43,051 INFO L225 Difference]: With dead ends: 247 [2019-11-28 02:47:43,051 INFO L226 Difference]: Without dead ends: 247 [2019-11-28 02:47:43,052 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 02:47:43,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-11-28 02:47:43,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 210. [2019-11-28 02:47:43,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-11-28 02:47:43,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 246 transitions. [2019-11-28 02:47:43,058 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 246 transitions. Word has length 24 [2019-11-28 02:47:43,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:43,059 INFO L462 AbstractCegarLoop]: Abstraction has 210 states and 246 transitions. [2019-11-28 02:47:43,059 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:47:43,059 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 246 transitions. [2019-11-28 02:47:43,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 02:47:43,060 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:43,060 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] [2019-11-28 02:47:43,060 INFO L410 AbstractCegarLoop]: === Iteration 13 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:43,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:43,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1474965198, now seen corresponding path program 1 times [2019-11-28 02:47:43,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:43,061 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500366956] [2019-11-28 02:47:43,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:43,108 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 02:47:43,108 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500366956] [2019-11-28 02:47:43,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:43,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:47:43,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053289558] [2019-11-28 02:47:43,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:47:43,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:43,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:47:43,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:47:43,110 INFO L87 Difference]: Start difference. First operand 210 states and 246 transitions. Second operand 5 states. [2019-11-28 02:47:43,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:43,436 INFO L93 Difference]: Finished difference Result 242 states and 256 transitions. [2019-11-28 02:47:43,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:47:43,436 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-28 02:47:43,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:43,438 INFO L225 Difference]: With dead ends: 242 [2019-11-28 02:47:43,438 INFO L226 Difference]: Without dead ends: 242 [2019-11-28 02:47:43,439 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 02:47:43,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2019-11-28 02:47:43,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 208. [2019-11-28 02:47:43,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2019-11-28 02:47:43,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 243 transitions. [2019-11-28 02:47:43,444 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 243 transitions. Word has length 26 [2019-11-28 02:47:43,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:43,444 INFO L462 AbstractCegarLoop]: Abstraction has 208 states and 243 transitions. [2019-11-28 02:47:43,444 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:47:43,444 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 243 transitions. [2019-11-28 02:47:43,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 02:47:43,445 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:43,445 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] [2019-11-28 02:47:43,446 INFO L410 AbstractCegarLoop]: === Iteration 14 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:43,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:43,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1474912478, now seen corresponding path program 1 times [2019-11-28 02:47:43,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:43,446 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598866182] [2019-11-28 02:47:43,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:43,493 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 02:47:43,493 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598866182] [2019-11-28 02:47:43,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:43,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:47:43,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218405520] [2019-11-28 02:47:43,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:47:43,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:43,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:47:43,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:47:43,495 INFO L87 Difference]: Start difference. First operand 208 states and 243 transitions. Second operand 6 states. [2019-11-28 02:47:43,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:43,982 INFO L93 Difference]: Finished difference Result 296 states and 346 transitions. [2019-11-28 02:47:43,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 02:47:43,983 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-11-28 02:47:43,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:43,985 INFO L225 Difference]: With dead ends: 296 [2019-11-28 02:47:43,985 INFO L226 Difference]: Without dead ends: 296 [2019-11-28 02:47:43,986 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 02:47:43,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2019-11-28 02:47:43,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 207. [2019-11-28 02:47:43,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2019-11-28 02:47:43,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 241 transitions. [2019-11-28 02:47:43,992 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 241 transitions. Word has length 26 [2019-11-28 02:47:43,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:43,992 INFO L462 AbstractCegarLoop]: Abstraction has 207 states and 241 transitions. [2019-11-28 02:47:43,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:47:43,992 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 241 transitions. [2019-11-28 02:47:43,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 02:47:43,993 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:43,993 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] [2019-11-28 02:47:43,994 INFO L410 AbstractCegarLoop]: === Iteration 15 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:43,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:43,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1474912479, now seen corresponding path program 1 times [2019-11-28 02:47:43,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:43,994 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559346128] [2019-11-28 02:47:43,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:44,049 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 02:47:44,049 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559346128] [2019-11-28 02:47:44,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:44,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:47:44,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93973224] [2019-11-28 02:47:44,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:47:44,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:44,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:47:44,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:47:44,051 INFO L87 Difference]: Start difference. First operand 207 states and 241 transitions. Second operand 6 states. [2019-11-28 02:47:44,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:44,621 INFO L93 Difference]: Finished difference Result 323 states and 383 transitions. [2019-11-28 02:47:44,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:47:44,622 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-11-28 02:47:44,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:44,624 INFO L225 Difference]: With dead ends: 323 [2019-11-28 02:47:44,624 INFO L226 Difference]: Without dead ends: 323 [2019-11-28 02:47:44,624 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 02:47:44,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2019-11-28 02:47:44,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 206. [2019-11-28 02:47:44,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2019-11-28 02:47:44,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 239 transitions. [2019-11-28 02:47:44,630 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 239 transitions. Word has length 26 [2019-11-28 02:47:44,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:44,630 INFO L462 AbstractCegarLoop]: Abstraction has 206 states and 239 transitions. [2019-11-28 02:47:44,630 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:47:44,631 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 239 transitions. [2019-11-28 02:47:44,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-28 02:47:44,631 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:44,631 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] [2019-11-28 02:47:44,632 INFO L410 AbstractCegarLoop]: === Iteration 16 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:44,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:44,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1869283103, now seen corresponding path program 1 times [2019-11-28 02:47:44,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:44,632 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248897111] [2019-11-28 02:47:44,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:44,801 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 02:47:44,801 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248897111] [2019-11-28 02:47:44,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:44,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-28 02:47:44,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832832860] [2019-11-28 02:47:44,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 02:47:44,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:44,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 02:47:44,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-28 02:47:44,807 INFO L87 Difference]: Start difference. First operand 206 states and 239 transitions. Second operand 11 states. [2019-11-28 02:47:45,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:45,700 INFO L93 Difference]: Finished difference Result 199 states and 231 transitions. [2019-11-28 02:47:45,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-28 02:47:45,701 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2019-11-28 02:47:45,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:45,703 INFO L225 Difference]: With dead ends: 199 [2019-11-28 02:47:45,703 INFO L226 Difference]: Without dead ends: 199 [2019-11-28 02:47:45,703 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2019-11-28 02:47:45,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2019-11-28 02:47:45,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 189. [2019-11-28 02:47:45,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2019-11-28 02:47:45,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 221 transitions. [2019-11-28 02:47:45,708 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 221 transitions. Word has length 30 [2019-11-28 02:47:45,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:45,708 INFO L462 AbstractCegarLoop]: Abstraction has 189 states and 221 transitions. [2019-11-28 02:47:45,708 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 02:47:45,709 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 221 transitions. [2019-11-28 02:47:45,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-28 02:47:45,709 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:45,709 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] [2019-11-28 02:47:45,710 INFO L410 AbstractCegarLoop]: === Iteration 17 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:45,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:45,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1869283104, now seen corresponding path program 1 times [2019-11-28 02:47:45,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:45,710 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811213599] [2019-11-28 02:47:45,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:45,823 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 02:47:45,824 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811213599] [2019-11-28 02:47:45,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:45,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-28 02:47:45,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758089456] [2019-11-28 02:47:45,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 02:47:45,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:45,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 02:47:45,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:47:45,825 INFO L87 Difference]: Start difference. First operand 189 states and 221 transitions. Second operand 10 states. [2019-11-28 02:47:46,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:46,421 INFO L93 Difference]: Finished difference Result 189 states and 220 transitions. [2019-11-28 02:47:46,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 02:47:46,421 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2019-11-28 02:47:46,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:46,423 INFO L225 Difference]: With dead ends: 189 [2019-11-28 02:47:46,423 INFO L226 Difference]: Without dead ends: 189 [2019-11-28 02:47:46,424 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 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 02:47:46,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2019-11-28 02:47:46,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 188. [2019-11-28 02:47:46,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-11-28 02:47:46,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 220 transitions. [2019-11-28 02:47:46,427 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 220 transitions. Word has length 30 [2019-11-28 02:47:46,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:46,428 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 220 transitions. [2019-11-28 02:47:46,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 02:47:46,428 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 220 transitions. [2019-11-28 02:47:46,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 02:47:46,428 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:46,429 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] [2019-11-28 02:47:46,429 INFO L410 AbstractCegarLoop]: === Iteration 18 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:46,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:46,429 INFO L82 PathProgramCache]: Analyzing trace with hash -527131654, now seen corresponding path program 1 times [2019-11-28 02:47:46,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:46,430 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881169668] [2019-11-28 02:47:46,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:46,471 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 02:47:46,472 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881169668] [2019-11-28 02:47:46,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:46,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:47:46,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52815375] [2019-11-28 02:47:46,473 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:47:46,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:46,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:47:46,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:47:46,473 INFO L87 Difference]: Start difference. First operand 188 states and 220 transitions. Second operand 4 states. [2019-11-28 02:47:46,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:46,682 INFO L93 Difference]: Finished difference Result 261 states and 308 transitions. [2019-11-28 02:47:46,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:47:46,683 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-11-28 02:47:46,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:46,684 INFO L225 Difference]: With dead ends: 261 [2019-11-28 02:47:46,685 INFO L226 Difference]: Without dead ends: 261 [2019-11-28 02:47:46,685 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 02:47:46,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2019-11-28 02:47:46,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 194. [2019-11-28 02:47:46,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-28 02:47:46,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 228 transitions. [2019-11-28 02:47:46,691 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 228 transitions. Word has length 32 [2019-11-28 02:47:46,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:46,691 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 228 transitions. [2019-11-28 02:47:46,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:47:46,691 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 228 transitions. [2019-11-28 02:47:46,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 02:47:46,692 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:46,692 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] [2019-11-28 02:47:46,692 INFO L410 AbstractCegarLoop]: === Iteration 19 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:46,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:46,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1084730400, now seen corresponding path program 1 times [2019-11-28 02:47:46,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:46,693 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250423599] [2019-11-28 02:47:46,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:46,807 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 02:47:46,807 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250423599] [2019-11-28 02:47:46,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:46,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-28 02:47:46,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509895957] [2019-11-28 02:47:46,808 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 02:47:46,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:46,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 02:47:46,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-11-28 02:47:46,809 INFO L87 Difference]: Start difference. First operand 194 states and 228 transitions. Second operand 11 states. [2019-11-28 02:47:47,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:47,564 INFO L93 Difference]: Finished difference Result 200 states and 234 transitions. [2019-11-28 02:47:47,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-28 02:47:47,564 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2019-11-28 02:47:47,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:47,566 INFO L225 Difference]: With dead ends: 200 [2019-11-28 02:47:47,566 INFO L226 Difference]: Without dead ends: 200 [2019-11-28 02:47:47,566 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2019-11-28 02:47:47,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2019-11-28 02:47:47,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 190. [2019-11-28 02:47:47,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2019-11-28 02:47:47,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 224 transitions. [2019-11-28 02:47:47,571 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 224 transitions. Word has length 32 [2019-11-28 02:47:47,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:47,572 INFO L462 AbstractCegarLoop]: Abstraction has 190 states and 224 transitions. [2019-11-28 02:47:47,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 02:47:47,572 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 224 transitions. [2019-11-28 02:47:47,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 02:47:47,572 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:47,573 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 02:47:47,573 INFO L410 AbstractCegarLoop]: === Iteration 20 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:47,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:47,574 INFO L82 PathProgramCache]: Analyzing trace with hash 838776545, now seen corresponding path program 1 times [2019-11-28 02:47:47,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:47,574 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997907641] [2019-11-28 02:47:47,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:47,632 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 02:47:47,632 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997907641] [2019-11-28 02:47:47,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:47,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:47:47,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037566772] [2019-11-28 02:47:47,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:47:47,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:47,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:47:47,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:47:47,635 INFO L87 Difference]: Start difference. First operand 190 states and 224 transitions. Second operand 4 states. [2019-11-28 02:47:47,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:47,829 INFO L93 Difference]: Finished difference Result 188 states and 221 transitions. [2019-11-28 02:47:47,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:47:47,830 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-11-28 02:47:47,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:47,832 INFO L225 Difference]: With dead ends: 188 [2019-11-28 02:47:47,832 INFO L226 Difference]: Without dead ends: 188 [2019-11-28 02:47:47,832 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 02:47:47,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-11-28 02:47:47,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2019-11-28 02:47:47,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-11-28 02:47:47,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 221 transitions. [2019-11-28 02:47:47,836 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 221 transitions. Word has length 33 [2019-11-28 02:47:47,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:47,837 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 221 transitions. [2019-11-28 02:47:47,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:47:47,837 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 221 transitions. [2019-11-28 02:47:47,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 02:47:47,837 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:47,838 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, 1] [2019-11-28 02:47:47,838 INFO L410 AbstractCegarLoop]: === Iteration 21 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:47,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:47,838 INFO L82 PathProgramCache]: Analyzing trace with hash 232273455, now seen corresponding path program 1 times [2019-11-28 02:47:47,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:47,839 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386237013] [2019-11-28 02:47:47,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:47,926 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 02:47:47,927 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386237013] [2019-11-28 02:47:47,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:47,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-28 02:47:47,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666240498] [2019-11-28 02:47:47,928 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 02:47:47,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:47,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 02:47:47,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:47:47,928 INFO L87 Difference]: Start difference. First operand 188 states and 221 transitions. Second operand 9 states. [2019-11-28 02:47:48,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:48,492 INFO L93 Difference]: Finished difference Result 291 states and 332 transitions. [2019-11-28 02:47:48,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 02:47:48,493 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2019-11-28 02:47:48,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:48,494 INFO L225 Difference]: With dead ends: 291 [2019-11-28 02:47:48,495 INFO L226 Difference]: Without dead ends: 291 [2019-11-28 02:47:48,495 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2019-11-28 02:47:48,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2019-11-28 02:47:48,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 200. [2019-11-28 02:47:48,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-11-28 02:47:48,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 234 transitions. [2019-11-28 02:47:48,500 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 234 transitions. Word has length 34 [2019-11-28 02:47:48,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:48,500 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 234 transitions. [2019-11-28 02:47:48,500 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 02:47:48,501 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 234 transitions. [2019-11-28 02:47:48,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 02:47:48,501 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:48,501 INFO L410 BasicCegarLoop]: trace histogram [2, 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, 1] [2019-11-28 02:47:48,502 INFO L410 AbstractCegarLoop]: === Iteration 22 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:48,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:48,502 INFO L82 PathProgramCache]: Analyzing trace with hash 342223010, now seen corresponding path program 1 times [2019-11-28 02:47:48,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:48,502 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872798513] [2019-11-28 02:47:48,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:48,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:47:48,591 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872798513] [2019-11-28 02:47:48,591 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361167423] [2019-11-28 02:47:48,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:47:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:48,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-28 02:47:48,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:47:48,788 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-28 02:47:48,789 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:47:48,804 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:47:48,808 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-28 02:47:48,808 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:47:48,820 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:47:48,822 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:47:48,823 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2019-11-28 02:47:48,852 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:47:48,855 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2019-11-28 02:47:48,857 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:47:48,895 INFO L588 ElimStorePlain]: treesize reduction 5, result has 89.6 percent of original size [2019-11-28 02:47:48,900 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:47:48,901 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2019-11-28 02:47:48,902 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:47:48,914 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:47:48,914 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:47:48,914 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:52, output treesize:39 [2019-11-28 02:47:48,954 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:47:48,956 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:47:48,956 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:47:48,961 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2019-11-28 02:47:48,961 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:47:48,986 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:47:48,990 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:47:48,990 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:47:48,991 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:47:48,992 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2019-11-28 02:47:48,993 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:47:49,009 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:47:49,009 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:47:49,009 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:57 [2019-11-28 02:47:49,088 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:47:49,089 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:47:49,090 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:47:49,091 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 13 [2019-11-28 02:47:49,092 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:47:49,112 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:47:49,119 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:47:49,120 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:47:49,127 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:47:49,128 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:47:49,129 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 13 [2019-11-28 02:47:49,129 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:47:49,136 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:47:49,138 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:47:49,138 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:71, output treesize:7 [2019-11-28 02:47:49,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:47:49,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:47:49,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 12 [2019-11-28 02:47:49,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848736789] [2019-11-28 02:47:49,151 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 02:47:49,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:49,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 02:47:49,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2019-11-28 02:47:49,152 INFO L87 Difference]: Start difference. First operand 200 states and 234 transitions. Second operand 12 states. [2019-11-28 02:47:50,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:50,076 INFO L93 Difference]: Finished difference Result 341 states and 373 transitions. [2019-11-28 02:47:50,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-28 02:47:50,080 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2019-11-28 02:47:50,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:50,082 INFO L225 Difference]: With dead ends: 341 [2019-11-28 02:47:50,083 INFO L226 Difference]: Without dead ends: 341 [2019-11-28 02:47:50,084 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2019-11-28 02:47:50,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2019-11-28 02:47:50,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 228. [2019-11-28 02:47:50,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-11-28 02:47:50,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 275 transitions. [2019-11-28 02:47:50,100 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 275 transitions. Word has length 36 [2019-11-28 02:47:50,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:50,100 INFO L462 AbstractCegarLoop]: Abstraction has 228 states and 275 transitions. [2019-11-28 02:47:50,100 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 02:47:50,100 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 275 transitions. [2019-11-28 02:47:50,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 02:47:50,101 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:50,101 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, 1, 1, 1, 1, 1] [2019-11-28 02:47:50,308 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:47:50,308 INFO L410 AbstractCegarLoop]: === Iteration 23 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:50,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:50,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1715448733, now seen corresponding path program 1 times [2019-11-28 02:47:50,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:50,310 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166807658] [2019-11-28 02:47:50,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:50,504 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 02:47:50,504 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166807658] [2019-11-28 02:47:50,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:50,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-28 02:47:50,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721130072] [2019-11-28 02:47:50,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 02:47:50,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:50,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 02:47:50,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-11-28 02:47:50,506 INFO L87 Difference]: Start difference. First operand 228 states and 275 transitions. Second operand 12 states. [2019-11-28 02:47:51,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:51,817 INFO L93 Difference]: Finished difference Result 461 states and 517 transitions. [2019-11-28 02:47:51,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-28 02:47:51,817 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2019-11-28 02:47:51,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:51,821 INFO L225 Difference]: With dead ends: 461 [2019-11-28 02:47:51,821 INFO L226 Difference]: Without dead ends: 461 [2019-11-28 02:47:51,822 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2019-11-28 02:47:51,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2019-11-28 02:47:51,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 229. [2019-11-28 02:47:51,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2019-11-28 02:47:51,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 273 transitions. [2019-11-28 02:47:51,830 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 273 transitions. Word has length 38 [2019-11-28 02:47:51,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:51,830 INFO L462 AbstractCegarLoop]: Abstraction has 229 states and 273 transitions. [2019-11-28 02:47:51,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 02:47:51,831 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 273 transitions. [2019-11-28 02:47:51,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 02:47:51,831 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:51,831 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, 1, 1, 1, 1, 1] [2019-11-28 02:47:51,832 INFO L410 AbstractCegarLoop]: === Iteration 24 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:51,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:51,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1715448732, now seen corresponding path program 1 times [2019-11-28 02:47:51,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:51,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051073450] [2019-11-28 02:47:51,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:52,054 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 02:47:52,055 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051073450] [2019-11-28 02:47:52,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:52,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-28 02:47:52,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861114601] [2019-11-28 02:47:52,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-28 02:47:52,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:52,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-28 02:47:52,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-11-28 02:47:52,059 INFO L87 Difference]: Start difference. First operand 229 states and 273 transitions. Second operand 13 states. [2019-11-28 02:47:53,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:53,875 INFO L93 Difference]: Finished difference Result 516 states and 573 transitions. [2019-11-28 02:47:53,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-28 02:47:53,881 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 38 [2019-11-28 02:47:53,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:53,884 INFO L225 Difference]: With dead ends: 516 [2019-11-28 02:47:53,884 INFO L226 Difference]: Without dead ends: 516 [2019-11-28 02:47:53,885 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2019-11-28 02:47:53,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2019-11-28 02:47:53,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 235. [2019-11-28 02:47:53,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2019-11-28 02:47:53,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 280 transitions. [2019-11-28 02:47:53,892 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 280 transitions. Word has length 38 [2019-11-28 02:47:53,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:53,893 INFO L462 AbstractCegarLoop]: Abstraction has 235 states and 280 transitions. [2019-11-28 02:47:53,893 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-28 02:47:53,893 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 280 transitions. [2019-11-28 02:47:53,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-28 02:47:53,894 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:53,894 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, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:53,894 INFO L410 AbstractCegarLoop]: === Iteration 25 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:53,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:53,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1846831822, now seen corresponding path program 1 times [2019-11-28 02:47:53,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:53,896 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940053220] [2019-11-28 02:47:53,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:53,987 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 02:47:53,987 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940053220] [2019-11-28 02:47:53,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:53,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:47:53,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577013120] [2019-11-28 02:47:53,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:47:53,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:53,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:47:53,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:47:53,990 INFO L87 Difference]: Start difference. First operand 235 states and 280 transitions. Second operand 6 states. [2019-11-28 02:47:54,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:54,767 INFO L93 Difference]: Finished difference Result 350 states and 413 transitions. [2019-11-28 02:47:54,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:47:54,767 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2019-11-28 02:47:54,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:54,770 INFO L225 Difference]: With dead ends: 350 [2019-11-28 02:47:54,770 INFO L226 Difference]: Without dead ends: 350 [2019-11-28 02:47:54,770 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 02:47:54,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-11-28 02:47:54,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 234. [2019-11-28 02:47:54,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-11-28 02:47:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 279 transitions. [2019-11-28 02:47:54,779 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 279 transitions. Word has length 39 [2019-11-28 02:47:54,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:54,779 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 279 transitions. [2019-11-28 02:47:54,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:47:54,779 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 279 transitions. [2019-11-28 02:47:54,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-28 02:47:54,780 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:54,780 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, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:54,781 INFO L410 AbstractCegarLoop]: === Iteration 26 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:54,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:54,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1846831821, now seen corresponding path program 1 times [2019-11-28 02:47:54,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:54,782 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715116392] [2019-11-28 02:47:54,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:54,851 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 02:47:54,851 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715116392] [2019-11-28 02:47:54,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:54,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:47:54,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172456788] [2019-11-28 02:47:54,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:47:54,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:54,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:47:54,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:47:54,853 INFO L87 Difference]: Start difference. First operand 234 states and 279 transitions. Second operand 6 states. [2019-11-28 02:47:55,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:55,463 INFO L93 Difference]: Finished difference Result 377 states and 451 transitions. [2019-11-28 02:47:55,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:47:55,464 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2019-11-28 02:47:55,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:55,467 INFO L225 Difference]: With dead ends: 377 [2019-11-28 02:47:55,467 INFO L226 Difference]: Without dead ends: 377 [2019-11-28 02:47:55,467 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 02:47:55,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-11-28 02:47:55,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 233. [2019-11-28 02:47:55,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-11-28 02:47:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 278 transitions. [2019-11-28 02:47:55,473 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 278 transitions. Word has length 39 [2019-11-28 02:47:55,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:55,473 INFO L462 AbstractCegarLoop]: Abstraction has 233 states and 278 transitions. [2019-11-28 02:47:55,473 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:47:55,473 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 278 transitions. [2019-11-28 02:47:55,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-28 02:47:55,474 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:55,474 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:55,474 INFO L410 AbstractCegarLoop]: === Iteration 27 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:55,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:55,475 INFO L82 PathProgramCache]: Analyzing trace with hash 721217219, now seen corresponding path program 1 times [2019-11-28 02:47:55,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:55,475 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068095534] [2019-11-28 02:47:55,475 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:55,827 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 02:47:55,828 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068095534] [2019-11-28 02:47:55,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:55,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-11-28 02:47:55,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511017585] [2019-11-28 02:47:55,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-28 02:47:55,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:55,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-28 02:47:55,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-11-28 02:47:55,829 INFO L87 Difference]: Start difference. First operand 233 states and 278 transitions. Second operand 15 states. [2019-11-28 02:47:56,890 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-11-28 02:47:57,369 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-11-28 02:47:58,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:58,369 INFO L93 Difference]: Finished difference Result 521 states and 571 transitions. [2019-11-28 02:47:58,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-28 02:47:58,370 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 40 [2019-11-28 02:47:58,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:58,373 INFO L225 Difference]: With dead ends: 521 [2019-11-28 02:47:58,373 INFO L226 Difference]: Without dead ends: 521 [2019-11-28 02:47:58,374 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=197, Invalid=673, Unknown=0, NotChecked=0, Total=870 [2019-11-28 02:47:58,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2019-11-28 02:47:58,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 233. [2019-11-28 02:47:58,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-11-28 02:47:58,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 277 transitions. [2019-11-28 02:47:58,380 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 277 transitions. Word has length 40 [2019-11-28 02:47:58,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:58,380 INFO L462 AbstractCegarLoop]: Abstraction has 233 states and 277 transitions. [2019-11-28 02:47:58,380 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-28 02:47:58,381 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 277 transitions. [2019-11-28 02:47:58,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-28 02:47:58,381 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:58,381 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:58,382 INFO L410 AbstractCegarLoop]: === Iteration 28 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:58,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:58,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1182524174, now seen corresponding path program 1 times [2019-11-28 02:47:58,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:58,382 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006663017] [2019-11-28 02:47:58,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:58,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 02:47:58,478 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006663017] [2019-11-28 02:47:58,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:58,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 02:47:58,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591330114] [2019-11-28 02:47:58,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 02:47:58,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:58,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 02:47:58,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-28 02:47:58,480 INFO L87 Difference]: Start difference. First operand 233 states and 277 transitions. Second operand 8 states. [2019-11-28 02:47:58,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:58,893 INFO L93 Difference]: Finished difference Result 249 states and 293 transitions. [2019-11-28 02:47:58,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 02:47:58,894 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2019-11-28 02:47:58,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:58,896 INFO L225 Difference]: With dead ends: 249 [2019-11-28 02:47:58,896 INFO L226 Difference]: Without dead ends: 249 [2019-11-28 02:47:58,896 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-11-28 02:47:58,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2019-11-28 02:47:58,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 242. [2019-11-28 02:47:58,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2019-11-28 02:47:58,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 286 transitions. [2019-11-28 02:47:58,901 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 286 transitions. Word has length 41 [2019-11-28 02:47:58,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:58,904 INFO L462 AbstractCegarLoop]: Abstraction has 242 states and 286 transitions. [2019-11-28 02:47:58,904 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 02:47:58,904 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 286 transitions. [2019-11-28 02:47:58,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-28 02:47:58,905 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:58,905 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:58,905 INFO L410 AbstractCegarLoop]: === Iteration 29 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:58,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:58,905 INFO L82 PathProgramCache]: Analyzing trace with hash -705085753, now seen corresponding path program 1 times [2019-11-28 02:47:58,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:58,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665148301] [2019-11-28 02:47:58,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:58,956 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 02:47:58,957 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665148301] [2019-11-28 02:47:58,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:58,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:47:58,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730878124] [2019-11-28 02:47:58,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:47:58,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:58,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:47:58,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:47:58,958 INFO L87 Difference]: Start difference. First operand 242 states and 286 transitions. Second operand 4 states. [2019-11-28 02:47:59,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:47:59,155 INFO L93 Difference]: Finished difference Result 243 states and 287 transitions. [2019-11-28 02:47:59,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:47:59,156 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2019-11-28 02:47:59,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:47:59,157 INFO L225 Difference]: With dead ends: 243 [2019-11-28 02:47:59,158 INFO L226 Difference]: Without dead ends: 243 [2019-11-28 02:47:59,158 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 02:47:59,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-11-28 02:47:59,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2019-11-28 02:47:59,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-11-28 02:47:59,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 287 transitions. [2019-11-28 02:47:59,163 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 287 transitions. Word has length 42 [2019-11-28 02:47:59,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:47:59,164 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 287 transitions. [2019-11-28 02:47:59,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:47:59,164 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 287 transitions. [2019-11-28 02:47:59,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-28 02:47:59,165 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:47:59,165 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:47:59,165 INFO L410 AbstractCegarLoop]: === Iteration 30 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:47:59,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:47:59,166 INFO L82 PathProgramCache]: Analyzing trace with hash -435612359, now seen corresponding path program 1 times [2019-11-28 02:47:59,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:47:59,166 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098449525] [2019-11-28 02:47:59,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:47:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:47:59,480 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 02:47:59,480 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098449525] [2019-11-28 02:47:59,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:47:59,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-11-28 02:47:59,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741714287] [2019-11-28 02:47:59,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-28 02:47:59,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:47:59,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-28 02:47:59,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2019-11-28 02:47:59,484 INFO L87 Difference]: Start difference. First operand 243 states and 287 transitions. Second operand 15 states. [2019-11-28 02:48:00,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:48:00,781 INFO L93 Difference]: Finished difference Result 262 states and 307 transitions. [2019-11-28 02:48:00,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-28 02:48:00,782 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 42 [2019-11-28 02:48:00,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:48:00,784 INFO L225 Difference]: With dead ends: 262 [2019-11-28 02:48:00,784 INFO L226 Difference]: Without dead ends: 262 [2019-11-28 02:48:00,785 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=172, Invalid=640, Unknown=0, NotChecked=0, Total=812 [2019-11-28 02:48:00,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2019-11-28 02:48:00,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 242. [2019-11-28 02:48:00,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2019-11-28 02:48:00,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 286 transitions. [2019-11-28 02:48:00,790 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 286 transitions. Word has length 42 [2019-11-28 02:48:00,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:48:00,790 INFO L462 AbstractCegarLoop]: Abstraction has 242 states and 286 transitions. [2019-11-28 02:48:00,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-28 02:48:00,790 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 286 transitions. [2019-11-28 02:48:00,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-28 02:48:00,791 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:48:00,791 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:48:00,791 INFO L410 AbstractCegarLoop]: === Iteration 31 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:48:00,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:48:00,792 INFO L82 PathProgramCache]: Analyzing trace with hash -435612358, now seen corresponding path program 1 times [2019-11-28 02:48:00,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:48:00,792 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064368474] [2019-11-28 02:48:00,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:48:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:01,036 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 02:48:01,037 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064368474] [2019-11-28 02:48:01,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:48:01,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-11-28 02:48:01,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823934495] [2019-11-28 02:48:01,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-28 02:48:01,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:48:01,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-28 02:48:01,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2019-11-28 02:48:01,039 INFO L87 Difference]: Start difference. First operand 242 states and 286 transitions. Second operand 15 states. [2019-11-28 02:48:02,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:48:02,310 INFO L93 Difference]: Finished difference Result 261 states and 306 transitions. [2019-11-28 02:48:02,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-28 02:48:02,310 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 42 [2019-11-28 02:48:02,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:48:02,312 INFO L225 Difference]: With dead ends: 261 [2019-11-28 02:48:02,312 INFO L226 Difference]: Without dead ends: 261 [2019-11-28 02:48:02,313 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=172, Invalid=640, Unknown=0, NotChecked=0, Total=812 [2019-11-28 02:48:02,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2019-11-28 02:48:02,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 241. [2019-11-28 02:48:02,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2019-11-28 02:48:02,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 285 transitions. [2019-11-28 02:48:02,318 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 285 transitions. Word has length 42 [2019-11-28 02:48:02,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:48:02,318 INFO L462 AbstractCegarLoop]: Abstraction has 241 states and 285 transitions. [2019-11-28 02:48:02,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-28 02:48:02,318 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 285 transitions. [2019-11-28 02:48:02,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-28 02:48:02,319 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:48:02,319 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:48:02,321 INFO L410 AbstractCegarLoop]: === Iteration 32 === [mainErr57ASSERT_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr72REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr70REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr64REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr80ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr59REQUIRES_VIOLATION, mainErr78REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_LEAK, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_LEAK, mainErr73REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr81ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr69REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr32ASSERT_VIOLATIONMEMORY_LEAK, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr67REQUIRES_VIOLATION, mainErr68ASSERT_VIOLATIONMEMORY_LEAK, mainErr65REQUIRES_VIOLATION, mainErr74ASSERT_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr82ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr21ASSERT_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_LEAK, mainErr75ASSERT_VIOLATIONMEMORY_FREE, mainErr35REQUIRES_VIOLATION, mainErr79REQUIRES_VIOLATION, mainErr83ENSURES_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr71ASSERT_VIOLATIONMEMORY_LEAK, mainErr33ASSERT_VIOLATIONMEMORY_LEAK, mainErr54ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-28 02:48:02,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:48:02,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1935015935, now seen corresponding path program 1 times [2019-11-28 02:48:02,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:48:02,322 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890598399] [2019-11-28 02:48:02,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:48:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:48:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:48:02,404 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:48:02,404 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 02:48:02,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:48:02 BoogieIcfgContainer [2019-11-28 02:48:02,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:48:02,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:48:02,481 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:48:02,481 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:48:02,482 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:33" (3/4) ... [2019-11-28 02:48:02,484 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 02:48:02,553 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 02:48:02,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:48:02,554 INFO L168 Benchmark]: Toolchain (without parser) took 30291.06 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 442.0 MB). Free memory was 961.7 MB in the beginning and 1.0 GB in the end (delta: -87.2 MB). Peak memory consumption was 354.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:48:02,555 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:48:02,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -147.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:48:02,556 INFO L168 Benchmark]: Boogie Preprocessor took 91.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:48:02,556 INFO L168 Benchmark]: RCFGBuilder took 985.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. [2019-11-28 02:48:02,556 INFO L168 Benchmark]: TraceAbstraction took 28479.49 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 318.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -23.9 MB). Peak memory consumption was 294.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:48:02,557 INFO L168 Benchmark]: Witness Printer took 72.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-11-28 02:48:02,559 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 652.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -147.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 985.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28479.49 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 318.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -23.9 MB). Peak memory consumption was 294.8 MB. Max. memory is 11.5 GB. * Witness Printer took 72.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1029]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L992] SLL* list = malloc(sizeof(SLL)); VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L993] list->next = ((void*)0) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L994] list->prev = ((void*)0) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L995] COND FALSE !(!(list != ((void*)0))) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L995] COND FALSE !(__VERIFIER_nondet_int()) [L995] list->inner = malloc(sizeof(SLL)) VAL [list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L995] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L995] list->inner->next = ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L995] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L995] list->inner->inner = ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L995] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L995] EXPR list->inner != ((void*)0) || list->inner == ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, list->inner != ((void*)0) || list->inner == ((void*)0)=1, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L995] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L997] SLL* end = list; VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1000] COND FALSE !(__VERIFIER_nondet_int()) [L1011] end = ((void*)0) [L1012] end = list VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1015] COND FALSE !(!(((void*)0) != end)) VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1017] COND TRUE ((void*)0) != end [L1019] int len = 0; VAL [end={-1:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1020] EXPR end->inner VAL [end={-1:0}, end->inner={-2:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1020] SLL* inner = end->inner; [L1021] COND TRUE ((void*)0) != inner VAL [end={-1:0}, inner={-2:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1023] COND TRUE len == 0 [L1024] len = 1 VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1027] COND FALSE !(!(((void*)0) != inner)) VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1028] EXPR inner->inner VAL [end={-1:0}, inner={-2:0}, inner->inner={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1028] COND FALSE !(!(((void*)0) == inner->inner)) [L1029] EXPR inner->next VAL [end={-1:0}, inner={-2:0}, inner->next={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] [L1029] COND TRUE !(((void*)0) != inner->next) [L1029] __VERIFIER_error() VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-2:0}, malloc(sizeof(SLL))={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 202 locations, 84 error locations. Result: UNSAFE, OverallTime: 28.3s, OverallIterations: 32, TraceHistogramMax: 2, AutomataDifference: 23.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4811 SDtfs, 7242 SDslu, 14310 SDs, 0 SdLazy, 17734 SolverSat, 488 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 457 GetRequests, 121 SyntacticMatches, 5 SemanticMatches, 331 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 542 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=243occurred in iteration=29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 31 MinimizatonAttempts, 2526 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 943 NumberOfCodeBlocks, 943 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 868 ConstructedInterpolants, 0 QuantifiedInterpolants, 251581 SizeOfPredicates, 9 NumberOfNonLiveVariables, 137 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 32 InterpolantComputations, 30 PerfectInterpolantSequences, 3/5 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...