./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/forester-heap/sll-token-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/sll-token-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 60dcf5da7f0124de96473d8010137f60c5cb2803 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:48:01,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:48:01,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:48:01,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:48:01,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:48:01,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:48:01,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:48:01,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:48:01,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:48:01,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:48:01,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:48:01,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:48:01,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:48:01,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:48:01,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:48:01,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:48:01,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:48:01,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:48:01,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:48:01,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:48:01,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:48:01,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:48:01,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:48:01,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:48:01,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:48:01,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:48:01,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:48:01,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:48:01,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:48:01,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:48:01,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:48:01,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:48:01,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:48:01,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:48:01,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:48:01,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:48:01,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:48:01,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:48:01,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:48:01,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:48:01,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:48:01,959 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-28 02:48:01,980 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:48:01,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:48:01,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:48:01,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:48:01,983 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:48:01,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:48:01,984 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:48:01,984 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:48:01,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:48:01,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:48:01,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:48:01,986 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:48:01,987 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:48:01,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:48:01,988 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:48:01,988 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:48:01,988 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:48:01,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:48:01,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:48:01,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:48:01,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:48:01,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:48:01,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:48:01,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:48:01,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:48:01,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:48:01,991 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 -> 60dcf5da7f0124de96473d8010137f60c5cb2803 [2019-11-28 02:48:02,345 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:48:02,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:48:02,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:48:02,372 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:48:02,373 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:48:02,374 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-token-1.i [2019-11-28 02:48:02,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b4b9c3ea/adefb52976704000886bd0bf7cfb8641/FLAGce325973a [2019-11-28 02:48:02,941 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:48:02,941 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-token-1.i [2019-11-28 02:48:02,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b4b9c3ea/adefb52976704000886bd0bf7cfb8641/FLAGce325973a [2019-11-28 02:48:03,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b4b9c3ea/adefb52976704000886bd0bf7cfb8641 [2019-11-28 02:48:03,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:48:03,298 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:48:03,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:48:03,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:48:03,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:48:03,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:48:03" (1/1) ... [2019-11-28 02:48:03,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22b032e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:03, skipping insertion in model container [2019-11-28 02:48:03,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:48:03" (1/1) ... [2019-11-28 02:48:03,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:48:03,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:48:03,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:48:03,792 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:48:03,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:48:03,899 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:48:03,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:03 WrapperNode [2019-11-28 02:48:03,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:48:03,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:48:03,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:48:03,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:48:03,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:03" (1/1) ... [2019-11-28 02:48:03,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:03" (1/1) ... [2019-11-28 02:48:03,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:03" (1/1) ... [2019-11-28 02:48:03,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:03" (1/1) ... [2019-11-28 02:48:03,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:03" (1/1) ... [2019-11-28 02:48:03,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:03" (1/1) ... [2019-11-28 02:48:03,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:03" (1/1) ... [2019-11-28 02:48:03,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:48:03,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:48:03,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:48:03,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:48:03,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:03" (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 02:48:04,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:48:04,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:48:04,053 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:48:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 02:48:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 02:48:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 02:48:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 02:48:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 02:48:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 02:48:04,054 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 02:48:04,054 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 02:48:04,054 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 02:48:04,054 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 02:48:04,054 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 02:48:04,054 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 02:48:04,055 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 02:48:04,055 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 02:48:04,055 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 02:48:04,055 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 02:48:04,055 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 02:48:04,056 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 02:48:04,056 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 02:48:04,056 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 02:48:04,056 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 02:48:04,056 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 02:48:04,056 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 02:48:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 02:48:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 02:48:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 02:48:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 02:48:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 02:48:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 02:48:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 02:48:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 02:48:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 02:48:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 02:48:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 02:48:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 02:48:04,059 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 02:48:04,059 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 02:48:04,059 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 02:48:04,059 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 02:48:04,059 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 02:48:04,059 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 02:48:04,060 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 02:48:04,060 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 02:48:04,060 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 02:48:04,060 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 02:48:04,060 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 02:48:04,060 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 02:48:04,060 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 02:48:04,061 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 02:48:04,061 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 02:48:04,061 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 02:48:04,061 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 02:48:04,061 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 02:48:04,061 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 02:48:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-28 02:48:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 02:48:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 02:48:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 02:48:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 02:48:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 02:48:04,062 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 02:48:04,063 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 02:48:04,063 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 02:48:04,063 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 02:48:04,063 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 02:48:04,063 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 02:48:04,063 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 02:48:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 02:48:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 02:48:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 02:48:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 02:48:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 02:48:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 02:48:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 02:48:04,065 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 02:48:04,065 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 02:48:04,065 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 02:48:04,065 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 02:48:04,065 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 02:48:04,065 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 02:48:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 02:48:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 02:48:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 02:48:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 02:48:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 02:48:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 02:48:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 02:48:04,067 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 02:48:04,067 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 02:48:04,067 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 02:48:04,067 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 02:48:04,067 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 02:48:04,067 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 02:48:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 02:48:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 02:48:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 02:48:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 02:48:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 02:48:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 02:48:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 02:48:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 02:48:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 02:48:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 02:48:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 02:48:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 02:48:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:48:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 02:48:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 02:48:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 02:48:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 02:48:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 02:48:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:48:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:48:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:48:04,790 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:48:04,791 INFO L297 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-28 02:48:04,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:48:04 BoogieIcfgContainer [2019-11-28 02:48:04,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:48:04,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:48:04,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:48:04,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:48:04,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:48:03" (1/3) ... [2019-11-28 02:48:04,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89ea262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:48:04, skipping insertion in model container [2019-11-28 02:48:04,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:48:03" (2/3) ... [2019-11-28 02:48:04,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89ea262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:48:04, skipping insertion in model container [2019-11-28 02:48:04,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:48:04" (3/3) ... [2019-11-28 02:48:04,801 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-token-1.i [2019-11-28 02:48:04,811 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:48:04,821 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 54 error locations. [2019-11-28 02:48:04,835 INFO L249 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2019-11-28 02:48:04,863 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:48:04,866 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:48:04,866 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:48:04,866 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:48:04,867 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:48:04,867 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:48:04,867 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:48:04,867 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:48:04,886 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2019-11-28 02:48:04,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 02:48:04,896 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:48:04,897 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:48:04,898 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr53ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr47ASSERT_VIOLATIONMEMORY_FREE, mainErr39ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_LEAK, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 02:48:04,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:48:04,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1914108980, now seen corresponding path program 1 times [2019-11-28 02:48:04,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:48:04,914 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795903551] [2019-11-28 02:48:04,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:48:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:05,146 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 02:48:05,147 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795903551] [2019-11-28 02:48:05,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:48:05,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:48:05,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902311378] [2019-11-28 02:48:05,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:48:05,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:48:05,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:48:05,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:48:05,182 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 4 states. [2019-11-28 02:48:05,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:48:05,563 INFO L93 Difference]: Finished difference Result 140 states and 143 transitions. [2019-11-28 02:48:05,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:48:05,566 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 02:48:05,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:48:05,586 INFO L225 Difference]: With dead ends: 140 [2019-11-28 02:48:05,586 INFO L226 Difference]: Without dead ends: 137 [2019-11-28 02:48:05,593 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 02:48:05,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-28 02:48:05,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 117. [2019-11-28 02:48:05,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-28 02:48:05,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 119 transitions. [2019-11-28 02:48:05,695 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 119 transitions. Word has length 7 [2019-11-28 02:48:05,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:48:05,696 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 119 transitions. [2019-11-28 02:48:05,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:48:05,697 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 119 transitions. [2019-11-28 02:48:05,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 02:48:05,697 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:48:05,697 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:48:05,699 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr53ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr47ASSERT_VIOLATIONMEMORY_FREE, mainErr39ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_LEAK, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 02:48:05,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:48:05,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1914108979, now seen corresponding path program 1 times [2019-11-28 02:48:05,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:48:05,701 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95259870] [2019-11-28 02:48:05,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:48:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:05,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:48:05,819 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95259870] [2019-11-28 02:48:05,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:48:05,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:48:05,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496388336] [2019-11-28 02:48:05,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:48:05,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:48:05,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:48:05,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:48:05,824 INFO L87 Difference]: Start difference. First operand 117 states and 119 transitions. Second operand 4 states. [2019-11-28 02:48:06,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:48:06,093 INFO L93 Difference]: Finished difference Result 143 states and 145 transitions. [2019-11-28 02:48:06,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:48:06,094 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 02:48:06,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:48:06,096 INFO L225 Difference]: With dead ends: 143 [2019-11-28 02:48:06,096 INFO L226 Difference]: Without dead ends: 143 [2019-11-28 02:48:06,097 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 02:48:06,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-11-28 02:48:06,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 115. [2019-11-28 02:48:06,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-28 02:48:06,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 117 transitions. [2019-11-28 02:48:06,109 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 117 transitions. Word has length 7 [2019-11-28 02:48:06,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:48:06,111 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 117 transitions. [2019-11-28 02:48:06,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:48:06,112 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 117 transitions. [2019-11-28 02:48:06,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 02:48:06,113 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:48:06,113 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:48:06,115 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr53ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr47ASSERT_VIOLATIONMEMORY_FREE, mainErr39ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_LEAK, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 02:48:06,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:48:06,116 INFO L82 PathProgramCache]: Analyzing trace with hash 889290307, now seen corresponding path program 1 times [2019-11-28 02:48:06,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:48:06,117 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816029149] [2019-11-28 02:48:06,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:48:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:06,216 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 02:48:06,216 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816029149] [2019-11-28 02:48:06,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:48:06,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:48:06,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326298875] [2019-11-28 02:48:06,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:48:06,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:48:06,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:48:06,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:48:06,218 INFO L87 Difference]: Start difference. First operand 115 states and 117 transitions. Second operand 5 states. [2019-11-28 02:48:06,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:48:06,538 INFO L93 Difference]: Finished difference Result 121 states and 124 transitions. [2019-11-28 02:48:06,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 02:48:06,539 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-11-28 02:48:06,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:48:06,541 INFO L225 Difference]: With dead ends: 121 [2019-11-28 02:48:06,542 INFO L226 Difference]: Without dead ends: 121 [2019-11-28 02:48:06,542 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 02:48:06,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-28 02:48:06,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 104. [2019-11-28 02:48:06,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-11-28 02:48:06,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 108 transitions. [2019-11-28 02:48:06,550 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 108 transitions. Word has length 12 [2019-11-28 02:48:06,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:48:06,551 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 108 transitions. [2019-11-28 02:48:06,551 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:48:06,551 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 108 transitions. [2019-11-28 02:48:06,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 02:48:06,552 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:48:06,552 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:48:06,553 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr53ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr47ASSERT_VIOLATIONMEMORY_FREE, mainErr39ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_LEAK, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 02:48:06,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:48:06,553 INFO L82 PathProgramCache]: Analyzing trace with hash 889290308, now seen corresponding path program 1 times [2019-11-28 02:48:06,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:48:06,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060114934] [2019-11-28 02:48:06,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:48:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:06,633 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 02:48:06,634 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060114934] [2019-11-28 02:48:06,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:48:06,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:48:06,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224052554] [2019-11-28 02:48:06,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:48:06,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:48:06,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:48:06,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:48:06,637 INFO L87 Difference]: Start difference. First operand 104 states and 108 transitions. Second operand 5 states. [2019-11-28 02:48:07,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:48:07,008 INFO L93 Difference]: Finished difference Result 184 states and 188 transitions. [2019-11-28 02:48:07,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:48:07,011 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-11-28 02:48:07,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:48:07,013 INFO L225 Difference]: With dead ends: 184 [2019-11-28 02:48:07,013 INFO L226 Difference]: Without dead ends: 184 [2019-11-28 02:48:07,014 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:48:07,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2019-11-28 02:48:07,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 133. [2019-11-28 02:48:07,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-28 02:48:07,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 144 transitions. [2019-11-28 02:48:07,022 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 144 transitions. Word has length 12 [2019-11-28 02:48:07,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:48:07,023 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 144 transitions. [2019-11-28 02:48:07,023 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:48:07,023 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 144 transitions. [2019-11-28 02:48:07,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 02:48:07,024 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:48:07,024 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:48:07,024 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr53ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr47ASSERT_VIOLATIONMEMORY_FREE, mainErr39ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_LEAK, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 02:48:07,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:48:07,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1490170776, now seen corresponding path program 1 times [2019-11-28 02:48:07,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:48:07,025 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931709194] [2019-11-28 02:48:07,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:48:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:07,097 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 02:48:07,098 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931709194] [2019-11-28 02:48:07,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:48:07,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 02:48:07,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255436150] [2019-11-28 02:48:07,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 02:48:07,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:48:07,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 02:48:07,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:48:07,100 INFO L87 Difference]: Start difference. First operand 133 states and 144 transitions. Second operand 7 states. [2019-11-28 02:48:07,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:48:07,643 INFO L93 Difference]: Finished difference Result 200 states and 216 transitions. [2019-11-28 02:48:07,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 02:48:07,644 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2019-11-28 02:48:07,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:48:07,646 INFO L225 Difference]: With dead ends: 200 [2019-11-28 02:48:07,646 INFO L226 Difference]: Without dead ends: 200 [2019-11-28 02:48:07,647 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:48:07,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2019-11-28 02:48:07,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 132. [2019-11-28 02:48:07,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-11-28 02:48:07,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 143 transitions. [2019-11-28 02:48:07,656 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 143 transitions. Word has length 15 [2019-11-28 02:48:07,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:48:07,657 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 143 transitions. [2019-11-28 02:48:07,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 02:48:07,657 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 143 transitions. [2019-11-28 02:48:07,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 02:48:07,658 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:48:07,658 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:48:07,659 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr53ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr47ASSERT_VIOLATIONMEMORY_FREE, mainErr39ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_LEAK, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 02:48:07,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:48:07,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1490170777, now seen corresponding path program 1 times [2019-11-28 02:48:07,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:48:07,660 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431649688] [2019-11-28 02:48:07,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:48:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:07,793 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 02:48:07,794 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431649688] [2019-11-28 02:48:07,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:48:07,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 02:48:07,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637121956] [2019-11-28 02:48:07,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 02:48:07,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:48:07,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 02:48:07,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:48:07,796 INFO L87 Difference]: Start difference. First operand 132 states and 143 transitions. Second operand 7 states. [2019-11-28 02:48:08,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:48:08,398 INFO L93 Difference]: Finished difference Result 222 states and 242 transitions. [2019-11-28 02:48:08,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 02:48:08,399 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2019-11-28 02:48:08,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:48:08,401 INFO L225 Difference]: With dead ends: 222 [2019-11-28 02:48:08,401 INFO L226 Difference]: Without dead ends: 222 [2019-11-28 02:48:08,401 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-11-28 02:48:08,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2019-11-28 02:48:08,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 118. [2019-11-28 02:48:08,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-28 02:48:08,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 128 transitions. [2019-11-28 02:48:08,407 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 128 transitions. Word has length 15 [2019-11-28 02:48:08,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:48:08,408 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 128 transitions. [2019-11-28 02:48:08,408 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 02:48:08,408 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 128 transitions. [2019-11-28 02:48:08,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 02:48:08,408 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:48:08,409 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:48:08,409 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr53ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr47ASSERT_VIOLATIONMEMORY_FREE, mainErr39ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_LEAK, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 02:48:08,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:48:08,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1077022969, now seen corresponding path program 1 times [2019-11-28 02:48:08,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:48:08,410 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360616427] [2019-11-28 02:48:08,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:48:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:08,474 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 02:48:08,475 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360616427] [2019-11-28 02:48:08,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:48:08,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:48:08,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654343199] [2019-11-28 02:48:08,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:48:08,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:48:08,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:48:08,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:48:08,477 INFO L87 Difference]: Start difference. First operand 118 states and 128 transitions. Second operand 6 states. [2019-11-28 02:48:08,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:48:08,736 INFO L93 Difference]: Finished difference Result 125 states and 131 transitions. [2019-11-28 02:48:08,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:48:08,737 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2019-11-28 02:48:08,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:48:08,738 INFO L225 Difference]: With dead ends: 125 [2019-11-28 02:48:08,738 INFO L226 Difference]: Without dead ends: 125 [2019-11-28 02:48:08,739 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 02:48:08,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-28 02:48:08,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 117. [2019-11-28 02:48:08,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-28 02:48:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 127 transitions. [2019-11-28 02:48:08,744 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 127 transitions. Word has length 16 [2019-11-28 02:48:08,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:48:08,745 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 127 transitions. [2019-11-28 02:48:08,745 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:48:08,745 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 127 transitions. [2019-11-28 02:48:08,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 02:48:08,746 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:48:08,746 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:48:08,746 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr53ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr47ASSERT_VIOLATIONMEMORY_FREE, mainErr39ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_LEAK, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 02:48:08,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:48:08,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1077022968, now seen corresponding path program 1 times [2019-11-28 02:48:08,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:48:08,747 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137394061] [2019-11-28 02:48:08,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:48:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:08,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:48:08,818 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137394061] [2019-11-28 02:48:08,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:48:08,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:48:08,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141540379] [2019-11-28 02:48:08,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:48:08,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:48:08,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:48:08,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:48:08,820 INFO L87 Difference]: Start difference. First operand 117 states and 127 transitions. Second operand 6 states. [2019-11-28 02:48:09,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:48:09,142 INFO L93 Difference]: Finished difference Result 116 states and 126 transitions. [2019-11-28 02:48:09,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:48:09,142 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2019-11-28 02:48:09,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:48:09,143 INFO L225 Difference]: With dead ends: 116 [2019-11-28 02:48:09,144 INFO L226 Difference]: Without dead ends: 116 [2019-11-28 02:48:09,144 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 02:48:09,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-28 02:48:09,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-11-28 02:48:09,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-11-28 02:48:09,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 126 transitions. [2019-11-28 02:48:09,148 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 126 transitions. Word has length 16 [2019-11-28 02:48:09,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:48:09,148 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 126 transitions. [2019-11-28 02:48:09,149 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:48:09,149 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 126 transitions. [2019-11-28 02:48:09,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 02:48:09,149 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:48:09,149 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:48:09,150 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr53ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr47ASSERT_VIOLATIONMEMORY_FREE, mainErr39ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_LEAK, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 02:48:09,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:48:09,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1830006328, now seen corresponding path program 1 times [2019-11-28 02:48:09,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:48:09,151 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980695442] [2019-11-28 02:48:09,151 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:48:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:09,208 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 02:48:09,209 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980695442] [2019-11-28 02:48:09,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:48:09,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 02:48:09,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818561185] [2019-11-28 02:48:09,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 02:48:09,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:48:09,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 02:48:09,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:48:09,210 INFO L87 Difference]: Start difference. First operand 116 states and 126 transitions. Second operand 7 states. [2019-11-28 02:48:09,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:48:09,649 INFO L93 Difference]: Finished difference Result 216 states and 236 transitions. [2019-11-28 02:48:09,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 02:48:09,649 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2019-11-28 02:48:09,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:48:09,651 INFO L225 Difference]: With dead ends: 216 [2019-11-28 02:48:09,651 INFO L226 Difference]: Without dead ends: 216 [2019-11-28 02:48:09,651 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-11-28 02:48:09,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-11-28 02:48:09,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 114. [2019-11-28 02:48:09,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-28 02:48:09,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 124 transitions. [2019-11-28 02:48:09,655 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 124 transitions. Word has length 17 [2019-11-28 02:48:09,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:48:09,656 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 124 transitions. [2019-11-28 02:48:09,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 02:48:09,656 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 124 transitions. [2019-11-28 02:48:09,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 02:48:09,656 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:48:09,657 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:48:09,657 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr53ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr47ASSERT_VIOLATIONMEMORY_FREE, mainErr39ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_LEAK, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 02:48:09,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:48:09,657 INFO L82 PathProgramCache]: Analyzing trace with hash 2109432891, now seen corresponding path program 1 times [2019-11-28 02:48:09,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:48:09,658 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816561968] [2019-11-28 02:48:09,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:48:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:48:09,703 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 02:48:09,704 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816561968] [2019-11-28 02:48:09,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:48:09,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:48:09,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631347765] [2019-11-28 02:48:09,704 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:48:09,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:48:09,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:48:09,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:48:09,705 INFO L87 Difference]: Start difference. First operand 114 states and 124 transitions. Second operand 5 states. [2019-11-28 02:48:09,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:48:09,907 INFO L93 Difference]: Finished difference Result 168 states and 173 transitions. [2019-11-28 02:48:09,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 02:48:09,908 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-11-28 02:48:09,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:48:09,909 INFO L225 Difference]: With dead ends: 168 [2019-11-28 02:48:09,909 INFO L226 Difference]: Without dead ends: 168 [2019-11-28 02:48:09,910 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 02:48:09,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-11-28 02:48:09,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 112. [2019-11-28 02:48:09,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-11-28 02:48:09,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 122 transitions. [2019-11-28 02:48:09,915 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 122 transitions. Word has length 19 [2019-11-28 02:48:09,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:48:09,915 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 122 transitions. [2019-11-28 02:48:09,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:48:09,915 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 122 transitions. [2019-11-28 02:48:09,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 02:48:09,916 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:48:09,916 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 02:48:09,917 INFO L410 AbstractCegarLoop]: === Iteration 11 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr53ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_LEAK, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr52ASSERT_VIOLATIONMEMORY_FREE, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr47ASSERT_VIOLATIONMEMORY_FREE, mainErr39ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_LEAK, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr50ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr49ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2019-11-28 02:48:09,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:48:09,917 INFO L82 PathProgramCache]: Analyzing trace with hash -857536838, now seen corresponding path program 1 times [2019-11-28 02:48:09,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:48:09,917 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727183316] [2019-11-28 02:48:09,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:48:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:48:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:48:10,022 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:48:10,022 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 02:48:10,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:48:10 BoogieIcfgContainer [2019-11-28 02:48:10,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:48:10,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:48:10,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:48:10,064 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:48:10,064 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:48:04" (3/4) ... [2019-11-28 02:48:10,068 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 02:48:10,121 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 02:48:10,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:48:10,124 INFO L168 Benchmark]: Toolchain (without parser) took 6824.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.4 MB). Free memory was 957.7 MB in the beginning and 870.5 MB in the end (delta: 87.2 MB). Peak memory consumption was 279.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:48:10,124 INFO L168 Benchmark]: CDTParser took 0.29 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 02:48:10,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -136.6 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-11-28 02:48:10,126 INFO L168 Benchmark]: Boogie Preprocessor took 90.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:48:10,127 INFO L168 Benchmark]: RCFGBuilder took 800.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2019-11-28 02:48:10,128 INFO L168 Benchmark]: TraceAbstraction took 5269.83 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 83.9 MB). Free memory was 1.0 GB in the beginning and 870.5 MB in the end (delta: 152.4 MB). Peak memory consumption was 236.3 MB. Max. memory is 11.5 GB. [2019-11-28 02:48:10,128 INFO L168 Benchmark]: Witness Printer took 57.79 ms. Allocated memory is still 1.2 GB. Free memory is still 870.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:48:10,131 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 601.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -136.6 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 90.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 800.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5269.83 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 83.9 MB). Free memory was 1.0 GB in the beginning and 870.5 MB in the end (delta: 152.4 MB). Peak memory consumption was 236.3 MB. Max. memory is 11.5 GB. * Witness Printer took 57.79 ms. Allocated memory is still 1.2 GB. Free memory is still 870.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1020]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L992] SLL* head = malloc(sizeof(SLL)); VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L993] head->next = ((void*)0) VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L994] head->data = 0 VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L996] SLL* x = head; VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}] [L999] COND FALSE !(__VERIFIER_nondet_int()) [L1007] x->data = 1 VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}] [L1008] x->next = malloc(sizeof(SLL)) VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}] [L1009] EXPR x->next VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}, x->next={-2:0}] [L1009] x->next->data = 2 VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}, x->next={-2:0}] [L1011] x = head VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}] [L1013] COND FALSE !(!(((void*)0) != x)) VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}] [L1015] EXPR x->data VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}, x->data=1] [L1015] COND FALSE !(1 != x->data) [L1020] EXPR x->data VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}, x->data=1] [L1020] COND TRUE !(2 == x->data) [L1020] __VERIFIER_error() VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}, x={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 122 locations, 54 error locations. Result: UNSAFE, OverallTime: 5.1s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 869 SDtfs, 1165 SDslu, 1440 SDs, 0 SdLazy, 2712 SolverSat, 107 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 454 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 6202 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...