./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memcleanup.prp --file /storage/repos/svcomp/c/heap-manipulation/merge_sort_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/heap-manipulation/merge_sort_false-unreach-call_false-valid-memcleanup.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 534681b11e8e68e6058985d885b01f2cbfa43e5b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:02:16,945 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:02:16,947 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:02:16,960 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:02:16,960 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:02:16,961 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:02:16,963 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:02:16,965 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:02:16,967 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:02:16,968 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:02:16,969 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:02:16,969 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:02:16,971 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:02:16,972 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:02:16,973 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:02:16,974 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:02:16,975 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:02:16,977 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:02:16,980 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:02:16,982 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:02:16,983 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:02:16,985 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:02:16,987 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:02:16,988 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:02:16,988 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:02:16,989 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:02:16,991 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:02:16,992 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:02:16,993 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:02:16,994 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:02:16,994 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:02:16,995 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:02:16,995 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:02:16,996 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:02:16,997 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:02:16,998 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:02:16,998 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2018-11-28 23:02:17,014 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:02:17,014 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:02:17,015 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 23:02:17,015 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 23:02:17,016 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:02:17,017 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:02:17,017 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:02:17,017 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:02:17,017 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:02:17,017 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:02:17,018 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:02:17,018 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:02:17,018 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:02:17,018 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 23:02:17,018 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 23:02:17,019 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 23:02:17,020 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:02:17,020 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:02:17,020 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:02:17,020 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:02:17,021 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 23:02:17,021 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 23:02:17,021 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 23:02:17,021 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:02:17,021 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 23:02:17,021 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:02:17,023 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 23:02:17,023 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-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 -> 534681b11e8e68e6058985d885b01f2cbfa43e5b [2018-11-28 23:02:17,060 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:02:17,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:02:17,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:02:17,078 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:02:17,079 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:02:17,079 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/heap-manipulation/merge_sort_false-unreach-call_false-valid-memcleanup.i [2018-11-28 23:02:17,153 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b25a5af9/ddf34de8406749e5953f71413fb20249/FLAG5f46985da [2018-11-28 23:02:17,797 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:02:17,798 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/heap-manipulation/merge_sort_false-unreach-call_false-valid-memcleanup.i [2018-11-28 23:02:17,815 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b25a5af9/ddf34de8406749e5953f71413fb20249/FLAG5f46985da [2018-11-28 23:02:17,984 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b25a5af9/ddf34de8406749e5953f71413fb20249 [2018-11-28 23:02:17,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:02:17,989 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 23:02:17,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:02:17,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:02:17,994 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:02:17,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:02:17" (1/1) ... [2018-11-28 23:02:17,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34361bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:17, skipping insertion in model container [2018-11-28 23:02:18,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:02:17" (1/1) ... [2018-11-28 23:02:18,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:02:18,076 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:02:18,466 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:02:18,480 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:02:18,700 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:02:18,769 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:02:18,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:18 WrapperNode [2018-11-28 23:02:18,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:02:18,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:02:18,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:02:18,771 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:02:18,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:18" (1/1) ... [2018-11-28 23:02:18,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:18" (1/1) ... [2018-11-28 23:02:18,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:18" (1/1) ... [2018-11-28 23:02:18,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:18" (1/1) ... [2018-11-28 23:02:18,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:18" (1/1) ... [2018-11-28 23:02:18,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:18" (1/1) ... [2018-11-28 23:02:18,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:18" (1/1) ... [2018-11-28 23:02:18,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:02:18,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:02:18,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:02:18,888 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:02:18,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 23:02:18,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 23:02:18,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:02:18,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 23:02:18,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 23:02:18,943 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2018-11-28 23:02:18,943 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_single_node [2018-11-28 23:02:18,943 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_pair [2018-11-28 23:02:18,943 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sort_core [2018-11-28 23:02:18,943 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_before [2018-11-28 23:02:18,944 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_after [2018-11-28 23:02:18,944 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 23:02:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-28 23:02:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 23:02:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 23:02:18,944 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 23:02:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 23:02:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 23:02:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 23:02:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 23:02:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 23:02:18,945 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 23:02:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 23:02:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 23:02:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 23:02:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 23:02:18,946 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 23:02:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 23:02:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 23:02:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 23:02:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 23:02:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 23:02:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 23:02:18,947 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 23:02:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 23:02:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 23:02:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 23:02:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 23:02:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 23:02:18,948 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 23:02:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 23:02:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 23:02:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 23:02:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 23:02:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 23:02:18,949 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 23:02:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 23:02:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 23:02:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 23:02:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 23:02:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 23:02:18,950 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 23:02:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 23:02:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 23:02:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 23:02:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 23:02:18,951 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 23:02:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 23:02:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 23:02:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 23:02:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 23:02:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 23:02:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 23:02:18,952 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 23:02:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 23:02:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 23:02:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 23:02:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 23:02:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 23:02:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 23:02:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 23:02:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 23:02:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 23:02:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 23:02:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 23:02:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 23:02:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 23:02:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 23:02:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 23:02:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 23:02:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 23:02:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 23:02:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 23:02:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 23:02:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 23:02:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 23:02:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 23:02:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 23:02:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 23:02:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 23:02:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 23:02:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 23:02:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 23:02:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 23:02:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 23:02:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 23:02:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 23:02:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 23:02:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 23:02:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 23:02:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 23:02:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 23:02:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 23:02:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 23:02:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 23:02:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 23:02:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 23:02:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 23:02:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 23:02:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 23:02:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 23:02:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 23:02:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 23:02:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 23:02:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 23:02:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 23:02:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2018-11-28 23:02:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure merge_single_node [2018-11-28 23:02:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 23:02:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 23:02:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure merge_pair [2018-11-28 23:02:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:02:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 23:02:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 23:02:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sort_core [2018-11-28 23:02:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_before [2018-11-28 23:02:18,960 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_after [2018-11-28 23:02:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 23:02:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 23:02:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 23:02:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:02:20,882 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:02:20,882 INFO L280 CfgBuilder]: Removed 33 assue(true) statements. [2018-11-28 23:02:20,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:02:20 BoogieIcfgContainer [2018-11-28 23:02:20,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:02:20,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 23:02:20,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 23:02:20,889 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 23:02:20,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:02:17" (1/3) ... [2018-11-28 23:02:20,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4506b75f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:02:20, skipping insertion in model container [2018-11-28 23:02:20,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:02:18" (2/3) ... [2018-11-28 23:02:20,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4506b75f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:02:20, skipping insertion in model container [2018-11-28 23:02:20,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:02:20" (3/3) ... [2018-11-28 23:02:20,895 INFO L112 eAbstractionObserver]: Analyzing ICFG merge_sort_false-unreach-call_false-valid-memcleanup.i [2018-11-28 23:02:20,904 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 23:02:20,914 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 101 error locations. [2018-11-28 23:02:20,933 INFO L257 AbstractCegarLoop]: Starting to check reachability of 101 error locations. [2018-11-28 23:02:20,962 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:02:20,963 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 23:02:20,963 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 23:02:20,963 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 23:02:20,964 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:02:20,964 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:02:20,964 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 23:02:20,964 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:02:20,964 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 23:02:21,003 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states. [2018-11-28 23:02:21,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 23:02:21,014 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:21,015 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:21,018 INFO L423 AbstractCegarLoop]: === Iteration 1 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:21,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:21,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1221642360, now seen corresponding path program 1 times [2018-11-28 23:02:21,027 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:21,028 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:21,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:21,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:21,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:21,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:21,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:21,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 23:02:21,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 23:02:21,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 23:02:21,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 23:02:21,193 INFO L87 Difference]: Start difference. First operand 272 states. Second operand 2 states. [2018-11-28 23:02:21,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:21,235 INFO L93 Difference]: Finished difference Result 270 states and 295 transitions. [2018-11-28 23:02:21,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 23:02:21,237 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-11-28 23:02:21,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:21,254 INFO L225 Difference]: With dead ends: 270 [2018-11-28 23:02:21,254 INFO L226 Difference]: Without dead ends: 253 [2018-11-28 23:02:21,256 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 23:02:21,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-11-28 23:02:21,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2018-11-28 23:02:21,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-11-28 23:02:21,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 266 transitions. [2018-11-28 23:02:21,347 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 266 transitions. Word has length 9 [2018-11-28 23:02:21,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:21,347 INFO L480 AbstractCegarLoop]: Abstraction has 253 states and 266 transitions. [2018-11-28 23:02:21,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 23:02:21,348 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 266 transitions. [2018-11-28 23:02:21,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 23:02:21,348 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:21,348 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:21,349 INFO L423 AbstractCegarLoop]: === Iteration 2 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:21,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:21,350 INFO L82 PathProgramCache]: Analyzing trace with hash 782744891, now seen corresponding path program 1 times [2018-11-28 23:02:21,350 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:21,350 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:21,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:21,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:21,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:21,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:21,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:21,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 23:02:21,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 23:02:21,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:02:21,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:02:21,471 INFO L87 Difference]: Start difference. First operand 253 states and 266 transitions. Second operand 3 states. [2018-11-28 23:02:22,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:22,342 INFO L93 Difference]: Finished difference Result 293 states and 315 transitions. [2018-11-28 23:02:22,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:02:22,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-28 23:02:22,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:22,348 INFO L225 Difference]: With dead ends: 293 [2018-11-28 23:02:22,348 INFO L226 Difference]: Without dead ends: 292 [2018-11-28 23:02:22,349 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:02:22,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2018-11-28 23:02:22,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 256. [2018-11-28 23:02:22,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-11-28 23:02:22,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 270 transitions. [2018-11-28 23:02:22,380 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 270 transitions. Word has length 10 [2018-11-28 23:02:22,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:22,381 INFO L480 AbstractCegarLoop]: Abstraction has 256 states and 270 transitions. [2018-11-28 23:02:22,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 23:02:22,381 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 270 transitions. [2018-11-28 23:02:22,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 23:02:22,381 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:22,382 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:22,383 INFO L423 AbstractCegarLoop]: === Iteration 3 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:22,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:22,386 INFO L82 PathProgramCache]: Analyzing trace with hash 782745869, now seen corresponding path program 1 times [2018-11-28 23:02:22,386 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:22,386 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:22,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:22,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:22,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:22,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:22,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:22,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 23:02:22,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 23:02:22,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:02:22,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:02:22,483 INFO L87 Difference]: Start difference. First operand 256 states and 270 transitions. Second operand 3 states. [2018-11-28 23:02:22,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:22,887 INFO L93 Difference]: Finished difference Result 271 states and 288 transitions. [2018-11-28 23:02:22,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:02:22,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-28 23:02:22,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:22,891 INFO L225 Difference]: With dead ends: 271 [2018-11-28 23:02:22,891 INFO L226 Difference]: Without dead ends: 271 [2018-11-28 23:02:22,891 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:02:22,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2018-11-28 23:02:22,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 254. [2018-11-28 23:02:22,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-11-28 23:02:22,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 268 transitions. [2018-11-28 23:02:22,905 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 268 transitions. Word has length 10 [2018-11-28 23:02:22,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:22,905 INFO L480 AbstractCegarLoop]: Abstraction has 254 states and 268 transitions. [2018-11-28 23:02:22,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 23:02:22,905 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 268 transitions. [2018-11-28 23:02:22,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 23:02:22,906 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:22,906 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:22,906 INFO L423 AbstractCegarLoop]: === Iteration 4 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:22,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:22,907 INFO L82 PathProgramCache]: Analyzing trace with hash 782745870, now seen corresponding path program 1 times [2018-11-28 23:02:22,907 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:22,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:22,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:22,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:22,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:22,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:22,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:22,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 23:02:22,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 23:02:22,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:02:22,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:02:22,981 INFO L87 Difference]: Start difference. First operand 254 states and 268 transitions. Second operand 3 states. [2018-11-28 23:02:23,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:23,239 INFO L93 Difference]: Finished difference Result 279 states and 297 transitions. [2018-11-28 23:02:23,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:02:23,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-28 23:02:23,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:23,243 INFO L225 Difference]: With dead ends: 279 [2018-11-28 23:02:23,243 INFO L226 Difference]: Without dead ends: 279 [2018-11-28 23:02:23,243 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:02:23,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-11-28 23:02:23,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 252. [2018-11-28 23:02:23,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-11-28 23:02:23,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 266 transitions. [2018-11-28 23:02:23,255 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 266 transitions. Word has length 10 [2018-11-28 23:02:23,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:23,255 INFO L480 AbstractCegarLoop]: Abstraction has 252 states and 266 transitions. [2018-11-28 23:02:23,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 23:02:23,255 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 266 transitions. [2018-11-28 23:02:23,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-28 23:02:23,256 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:23,256 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:23,256 INFO L423 AbstractCegarLoop]: === Iteration 5 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:23,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:23,257 INFO L82 PathProgramCache]: Analyzing trace with hash -199927265, now seen corresponding path program 1 times [2018-11-28 23:02:23,257 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:23,257 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:23,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:23,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:23,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:23,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:23,296 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:23,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:02:23,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 23:02:23,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:02:23,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:02:23,298 INFO L87 Difference]: Start difference. First operand 252 states and 266 transitions. Second operand 3 states. [2018-11-28 23:02:23,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:23,358 INFO L93 Difference]: Finished difference Result 267 states and 279 transitions. [2018-11-28 23:02:23,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:02:23,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-11-28 23:02:23,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:23,362 INFO L225 Difference]: With dead ends: 267 [2018-11-28 23:02:23,362 INFO L226 Difference]: Without dead ends: 266 [2018-11-28 23:02:23,362 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:02:23,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-11-28 23:02:23,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 251. [2018-11-28 23:02:23,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-11-28 23:02:23,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 264 transitions. [2018-11-28 23:02:23,370 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 264 transitions. Word has length 14 [2018-11-28 23:02:23,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:23,371 INFO L480 AbstractCegarLoop]: Abstraction has 251 states and 264 transitions. [2018-11-28 23:02:23,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 23:02:23,371 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 264 transitions. [2018-11-28 23:02:23,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-28 23:02:23,371 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:23,372 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:23,372 INFO L423 AbstractCegarLoop]: === Iteration 6 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:23,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:23,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1704137441, now seen corresponding path program 1 times [2018-11-28 23:02:23,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:23,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:23,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:23,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:23,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:23,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:23,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:23,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 23:02:23,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 23:02:23,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:02:23,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:02:23,429 INFO L87 Difference]: Start difference. First operand 251 states and 264 transitions. Second operand 3 states. [2018-11-28 23:02:23,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:23,749 INFO L93 Difference]: Finished difference Result 270 states and 285 transitions. [2018-11-28 23:02:23,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:02:23,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-28 23:02:23,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:23,753 INFO L225 Difference]: With dead ends: 270 [2018-11-28 23:02:23,753 INFO L226 Difference]: Without dead ends: 270 [2018-11-28 23:02:23,753 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:02:23,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2018-11-28 23:02:23,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 249. [2018-11-28 23:02:23,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-11-28 23:02:23,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 262 transitions. [2018-11-28 23:02:23,761 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 262 transitions. Word has length 15 [2018-11-28 23:02:23,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:23,761 INFO L480 AbstractCegarLoop]: Abstraction has 249 states and 262 transitions. [2018-11-28 23:02:23,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 23:02:23,761 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 262 transitions. [2018-11-28 23:02:23,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-28 23:02:23,762 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:23,762 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:23,762 INFO L423 AbstractCegarLoop]: === Iteration 7 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:23,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:23,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1704137442, now seen corresponding path program 1 times [2018-11-28 23:02:23,763 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:23,763 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:23,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:23,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:23,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:23,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:23,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:23,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 23:02:23,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 23:02:23,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:02:23,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:02:23,857 INFO L87 Difference]: Start difference. First operand 249 states and 262 transitions. Second operand 3 states. [2018-11-28 23:02:24,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:24,086 INFO L93 Difference]: Finished difference Result 278 states and 294 transitions. [2018-11-28 23:02:24,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:02:24,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-28 23:02:24,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:24,093 INFO L225 Difference]: With dead ends: 278 [2018-11-28 23:02:24,094 INFO L226 Difference]: Without dead ends: 278 [2018-11-28 23:02:24,094 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:02:24,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-11-28 23:02:24,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 247. [2018-11-28 23:02:24,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-11-28 23:02:24,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 260 transitions. [2018-11-28 23:02:24,102 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 260 transitions. Word has length 15 [2018-11-28 23:02:24,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:24,103 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 260 transitions. [2018-11-28 23:02:24,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 23:02:24,103 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 260 transitions. [2018-11-28 23:02:24,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 23:02:24,104 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:24,104 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:24,104 INFO L423 AbstractCegarLoop]: === Iteration 8 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:24,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:24,105 INFO L82 PathProgramCache]: Analyzing trace with hash 664751673, now seen corresponding path program 1 times [2018-11-28 23:02:24,105 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:24,105 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:24,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:24,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:24,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:24,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:24,192 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:24,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 23:02:24,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 23:02:24,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 23:02:24,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 23:02:24,194 INFO L87 Difference]: Start difference. First operand 247 states and 260 transitions. Second operand 4 states. [2018-11-28 23:02:24,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:24,278 INFO L93 Difference]: Finished difference Result 282 states and 298 transitions. [2018-11-28 23:02:24,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 23:02:24,279 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-11-28 23:02:24,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:24,282 INFO L225 Difference]: With dead ends: 282 [2018-11-28 23:02:24,282 INFO L226 Difference]: Without dead ends: 282 [2018-11-28 23:02:24,283 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 23:02:24,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-11-28 23:02:24,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 247. [2018-11-28 23:02:24,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-11-28 23:02:24,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 259 transitions. [2018-11-28 23:02:24,291 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 259 transitions. Word has length 21 [2018-11-28 23:02:24,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:24,291 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 259 transitions. [2018-11-28 23:02:24,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 23:02:24,292 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 259 transitions. [2018-11-28 23:02:24,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 23:02:24,292 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:24,293 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:24,293 INFO L423 AbstractCegarLoop]: === Iteration 9 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:24,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:24,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1799341027, now seen corresponding path program 1 times [2018-11-28 23:02:24,294 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:24,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:24,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:24,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:24,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:24,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:24,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:24,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 23:02:24,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 23:02:24,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 23:02:24,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 23:02:24,395 INFO L87 Difference]: Start difference. First operand 247 states and 259 transitions. Second operand 6 states. [2018-11-28 23:02:25,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:25,441 INFO L93 Difference]: Finished difference Result 260 states and 275 transitions. [2018-11-28 23:02:25,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 23:02:25,442 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-11-28 23:02:25,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:25,444 INFO L225 Difference]: With dead ends: 260 [2018-11-28 23:02:25,445 INFO L226 Difference]: Without dead ends: 260 [2018-11-28 23:02:25,445 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-28 23:02:25,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-11-28 23:02:25,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 240. [2018-11-28 23:02:25,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-11-28 23:02:25,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 254 transitions. [2018-11-28 23:02:25,452 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 254 transitions. Word has length 25 [2018-11-28 23:02:25,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:25,452 INFO L480 AbstractCegarLoop]: Abstraction has 240 states and 254 transitions. [2018-11-28 23:02:25,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 23:02:25,453 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 254 transitions. [2018-11-28 23:02:25,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 23:02:25,453 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:25,453 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:25,454 INFO L423 AbstractCegarLoop]: === Iteration 10 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:25,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:25,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1799341026, now seen corresponding path program 1 times [2018-11-28 23:02:25,454 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:25,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:25,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:25,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:25,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:25,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:25,586 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:25,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 23:02:25,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 23:02:25,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 23:02:25,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 23:02:25,587 INFO L87 Difference]: Start difference. First operand 240 states and 254 transitions. Second operand 6 states. [2018-11-28 23:02:26,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:26,356 INFO L93 Difference]: Finished difference Result 301 states and 317 transitions. [2018-11-28 23:02:26,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 23:02:26,357 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-11-28 23:02:26,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:26,360 INFO L225 Difference]: With dead ends: 301 [2018-11-28 23:02:26,360 INFO L226 Difference]: Without dead ends: 301 [2018-11-28 23:02:26,361 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-28 23:02:26,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-11-28 23:02:26,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 268. [2018-11-28 23:02:26,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-11-28 23:02:26,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 285 transitions. [2018-11-28 23:02:26,369 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 285 transitions. Word has length 25 [2018-11-28 23:02:26,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:26,369 INFO L480 AbstractCegarLoop]: Abstraction has 268 states and 285 transitions. [2018-11-28 23:02:26,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 23:02:26,369 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 285 transitions. [2018-11-28 23:02:26,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-28 23:02:26,370 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:26,370 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:26,371 INFO L423 AbstractCegarLoop]: === Iteration 11 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:26,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:26,371 INFO L82 PathProgramCache]: Analyzing trace with hash 34413144, now seen corresponding path program 1 times [2018-11-28 23:02:26,371 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:26,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:26,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:26,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:26,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:26,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:26,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:26,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 23:02:26,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 23:02:26,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 23:02:26,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 23:02:26,736 INFO L87 Difference]: Start difference. First operand 268 states and 285 transitions. Second operand 10 states. [2018-11-28 23:02:28,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:28,397 INFO L93 Difference]: Finished difference Result 295 states and 311 transitions. [2018-11-28 23:02:28,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 23:02:28,399 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2018-11-28 23:02:28,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:28,402 INFO L225 Difference]: With dead ends: 295 [2018-11-28 23:02:28,402 INFO L226 Difference]: Without dead ends: 295 [2018-11-28 23:02:28,403 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2018-11-28 23:02:28,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-11-28 23:02:28,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 269. [2018-11-28 23:02:28,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-11-28 23:02:28,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 287 transitions. [2018-11-28 23:02:28,410 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 287 transitions. Word has length 36 [2018-11-28 23:02:28,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:28,411 INFO L480 AbstractCegarLoop]: Abstraction has 269 states and 287 transitions. [2018-11-28 23:02:28,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 23:02:28,411 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 287 transitions. [2018-11-28 23:02:28,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-28 23:02:28,412 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:28,412 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:28,413 INFO L423 AbstractCegarLoop]: === Iteration 12 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:28,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:28,413 INFO L82 PathProgramCache]: Analyzing trace with hash 34413145, now seen corresponding path program 1 times [2018-11-28 23:02:28,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:28,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:28,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:28,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:28,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:28,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:28,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:28,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 23:02:28,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 23:02:28,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 23:02:28,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-28 23:02:28,693 INFO L87 Difference]: Start difference. First operand 269 states and 287 transitions. Second operand 9 states. [2018-11-28 23:02:29,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:29,775 INFO L93 Difference]: Finished difference Result 294 states and 310 transitions. [2018-11-28 23:02:29,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 23:02:29,776 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 36 [2018-11-28 23:02:29,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:29,778 INFO L225 Difference]: With dead ends: 294 [2018-11-28 23:02:29,778 INFO L226 Difference]: Without dead ends: 294 [2018-11-28 23:02:29,779 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2018-11-28 23:02:29,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-11-28 23:02:29,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 269. [2018-11-28 23:02:29,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-11-28 23:02:29,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 286 transitions. [2018-11-28 23:02:29,787 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 286 transitions. Word has length 36 [2018-11-28 23:02:29,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:29,788 INFO L480 AbstractCegarLoop]: Abstraction has 269 states and 286 transitions. [2018-11-28 23:02:29,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 23:02:29,788 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 286 transitions. [2018-11-28 23:02:29,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-28 23:02:29,789 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:29,789 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:29,790 INFO L423 AbstractCegarLoop]: === Iteration 13 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:29,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:29,790 INFO L82 PathProgramCache]: Analyzing trace with hash 2127903738, now seen corresponding path program 1 times [2018-11-28 23:02:29,790 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:29,790 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:29,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:29,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:29,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:30,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:30,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:30,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 23:02:30,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 23:02:30,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 23:02:30,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 23:02:30,104 INFO L87 Difference]: Start difference. First operand 269 states and 286 transitions. Second operand 10 states. [2018-11-28 23:02:31,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:31,807 INFO L93 Difference]: Finished difference Result 293 states and 309 transitions. [2018-11-28 23:02:31,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 23:02:31,809 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2018-11-28 23:02:31,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:31,811 INFO L225 Difference]: With dead ends: 293 [2018-11-28 23:02:31,811 INFO L226 Difference]: Without dead ends: 293 [2018-11-28 23:02:31,811 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2018-11-28 23:02:31,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-11-28 23:02:31,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 269. [2018-11-28 23:02:31,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-11-28 23:02:31,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 285 transitions. [2018-11-28 23:02:31,821 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 285 transitions. Word has length 36 [2018-11-28 23:02:31,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:31,821 INFO L480 AbstractCegarLoop]: Abstraction has 269 states and 285 transitions. [2018-11-28 23:02:31,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 23:02:31,821 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 285 transitions. [2018-11-28 23:02:31,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-28 23:02:31,822 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:31,822 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:31,823 INFO L423 AbstractCegarLoop]: === Iteration 14 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:31,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:31,823 INFO L82 PathProgramCache]: Analyzing trace with hash 2127903739, now seen corresponding path program 1 times [2018-11-28 23:02:31,823 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:31,823 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:31,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:31,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:31,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:32,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:32,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:32,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 23:02:32,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 23:02:32,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 23:02:32,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 23:02:32,074 INFO L87 Difference]: Start difference. First operand 269 states and 285 transitions. Second operand 8 states. [2018-11-28 23:02:32,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:32,825 INFO L93 Difference]: Finished difference Result 292 states and 308 transitions. [2018-11-28 23:02:32,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 23:02:32,827 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2018-11-28 23:02:32,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:32,830 INFO L225 Difference]: With dead ends: 292 [2018-11-28 23:02:32,830 INFO L226 Difference]: Without dead ends: 292 [2018-11-28 23:02:32,830 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-11-28 23:02:32,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2018-11-28 23:02:32,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 269. [2018-11-28 23:02:32,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-11-28 23:02:32,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 284 transitions. [2018-11-28 23:02:32,839 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 284 transitions. Word has length 36 [2018-11-28 23:02:32,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:32,839 INFO L480 AbstractCegarLoop]: Abstraction has 269 states and 284 transitions. [2018-11-28 23:02:32,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 23:02:32,842 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 284 transitions. [2018-11-28 23:02:32,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-28 23:02:32,842 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:32,843 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:32,844 INFO L423 AbstractCegarLoop]: === Iteration 15 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:32,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:32,844 INFO L82 PathProgramCache]: Analyzing trace with hash -627690379, now seen corresponding path program 1 times [2018-11-28 23:02:32,848 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:32,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:32,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:32,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:32,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:33,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:33,123 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:33,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-28 23:02:33,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 23:02:33,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 23:02:33,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-11-28 23:02:33,124 INFO L87 Difference]: Start difference. First operand 269 states and 284 transitions. Second operand 12 states. [2018-11-28 23:02:34,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:34,095 INFO L93 Difference]: Finished difference Result 246 states and 260 transitions. [2018-11-28 23:02:34,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 23:02:34,097 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2018-11-28 23:02:34,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:34,099 INFO L225 Difference]: With dead ends: 246 [2018-11-28 23:02:34,099 INFO L226 Difference]: Without dead ends: 235 [2018-11-28 23:02:34,100 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2018-11-28 23:02:34,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-11-28 23:02:34,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 217. [2018-11-28 23:02:34,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-11-28 23:02:34,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 230 transitions. [2018-11-28 23:02:34,108 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 230 transitions. Word has length 41 [2018-11-28 23:02:34,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:34,108 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 230 transitions. [2018-11-28 23:02:34,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 23:02:34,110 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 230 transitions. [2018-11-28 23:02:34,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 23:02:34,111 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:34,111 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:34,112 INFO L423 AbstractCegarLoop]: === Iteration 16 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:34,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:34,112 INFO L82 PathProgramCache]: Analyzing trace with hash -501181479, now seen corresponding path program 1 times [2018-11-28 23:02:34,112 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:34,113 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:34,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:34,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:34,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:34,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:34,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:34,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 23:02:34,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 23:02:34,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 23:02:34,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 23:02:34,396 INFO L87 Difference]: Start difference. First operand 217 states and 230 transitions. Second operand 6 states. [2018-11-28 23:02:35,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:35,233 INFO L93 Difference]: Finished difference Result 247 states and 266 transitions. [2018-11-28 23:02:35,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 23:02:35,234 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 46 [2018-11-28 23:02:35,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:35,237 INFO L225 Difference]: With dead ends: 247 [2018-11-28 23:02:35,237 INFO L226 Difference]: Without dead ends: 247 [2018-11-28 23:02:35,237 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-28 23:02:35,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-11-28 23:02:35,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 217. [2018-11-28 23:02:35,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-11-28 23:02:35,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 232 transitions. [2018-11-28 23:02:35,247 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 232 transitions. Word has length 46 [2018-11-28 23:02:35,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:35,247 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 232 transitions. [2018-11-28 23:02:35,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 23:02:35,249 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 232 transitions. [2018-11-28 23:02:35,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 23:02:35,251 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:35,251 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:35,253 INFO L423 AbstractCegarLoop]: === Iteration 17 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:35,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:35,254 INFO L82 PathProgramCache]: Analyzing trace with hash -501181478, now seen corresponding path program 1 times [2018-11-28 23:02:35,254 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:35,254 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:35,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:35,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:35,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:35,920 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-11-28 23:02:35,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:35,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:35,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 23:02:35,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 23:02:35,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 23:02:35,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 23:02:35,928 INFO L87 Difference]: Start difference. First operand 217 states and 232 transitions. Second operand 6 states. [2018-11-28 23:02:36,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:36,525 INFO L93 Difference]: Finished difference Result 256 states and 275 transitions. [2018-11-28 23:02:36,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 23:02:36,527 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 46 [2018-11-28 23:02:36,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:36,529 INFO L225 Difference]: With dead ends: 256 [2018-11-28 23:02:36,530 INFO L226 Difference]: Without dead ends: 256 [2018-11-28 23:02:36,530 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-28 23:02:36,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-11-28 23:02:36,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 229. [2018-11-28 23:02:36,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-11-28 23:02:36,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 247 transitions. [2018-11-28 23:02:36,538 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 247 transitions. Word has length 46 [2018-11-28 23:02:36,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:36,538 INFO L480 AbstractCegarLoop]: Abstraction has 229 states and 247 transitions. [2018-11-28 23:02:36,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 23:02:36,540 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 247 transitions. [2018-11-28 23:02:36,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 23:02:36,541 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:36,541 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:36,543 INFO L423 AbstractCegarLoop]: === Iteration 18 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:36,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:36,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1578320400, now seen corresponding path program 1 times [2018-11-28 23:02:36,544 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:36,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:36,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:36,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:36,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:36,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 23:02:36,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:36,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 23:02:36,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 23:02:36,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 23:02:36,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 23:02:36,777 INFO L87 Difference]: Start difference. First operand 229 states and 247 transitions. Second operand 5 states. [2018-11-28 23:02:37,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:37,575 INFO L93 Difference]: Finished difference Result 226 states and 244 transitions. [2018-11-28 23:02:37,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 23:02:37,576 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-11-28 23:02:37,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:37,577 INFO L225 Difference]: With dead ends: 226 [2018-11-28 23:02:37,577 INFO L226 Difference]: Without dead ends: 226 [2018-11-28 23:02:37,578 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 23:02:37,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-11-28 23:02:37,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2018-11-28 23:02:37,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-11-28 23:02:37,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 244 transitions. [2018-11-28 23:02:37,585 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 244 transitions. Word has length 47 [2018-11-28 23:02:37,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:37,586 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 244 transitions. [2018-11-28 23:02:37,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 23:02:37,586 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 244 transitions. [2018-11-28 23:02:37,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 23:02:37,587 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:37,587 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:37,587 INFO L423 AbstractCegarLoop]: === Iteration 19 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:37,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:37,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1578320401, now seen corresponding path program 1 times [2018-11-28 23:02:37,593 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:37,593 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:37,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:37,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:37,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:37,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:37,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:37,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 23:02:37,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 23:02:37,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 23:02:37,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 23:02:37,756 INFO L87 Difference]: Start difference. First operand 226 states and 244 transitions. Second operand 6 states. [2018-11-28 23:02:38,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:38,208 INFO L93 Difference]: Finished difference Result 275 states and 293 transitions. [2018-11-28 23:02:38,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 23:02:38,210 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 47 [2018-11-28 23:02:38,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:38,214 INFO L225 Difference]: With dead ends: 275 [2018-11-28 23:02:38,214 INFO L226 Difference]: Without dead ends: 275 [2018-11-28 23:02:38,214 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-28 23:02:38,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-11-28 23:02:38,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 247. [2018-11-28 23:02:38,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-11-28 23:02:38,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 271 transitions. [2018-11-28 23:02:38,220 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 271 transitions. Word has length 47 [2018-11-28 23:02:38,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:38,221 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 271 transitions. [2018-11-28 23:02:38,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 23:02:38,221 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 271 transitions. [2018-11-28 23:02:38,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-28 23:02:38,222 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:38,223 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:38,223 INFO L423 AbstractCegarLoop]: === Iteration 20 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:38,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:38,223 INFO L82 PathProgramCache]: Analyzing trace with hash -183169795, now seen corresponding path program 1 times [2018-11-28 23:02:38,224 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:38,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:38,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:38,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:38,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:38,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:38,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:38,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 23:02:38,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 23:02:38,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 23:02:38,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 23:02:38,548 INFO L87 Difference]: Start difference. First operand 247 states and 271 transitions. Second operand 6 states. [2018-11-28 23:02:38,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:38,695 INFO L93 Difference]: Finished difference Result 300 states and 324 transitions. [2018-11-28 23:02:38,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 23:02:38,696 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2018-11-28 23:02:38,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:38,699 INFO L225 Difference]: With dead ends: 300 [2018-11-28 23:02:38,699 INFO L226 Difference]: Without dead ends: 297 [2018-11-28 23:02:38,699 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-28 23:02:38,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-11-28 23:02:38,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 254. [2018-11-28 23:02:38,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-11-28 23:02:38,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 279 transitions. [2018-11-28 23:02:38,708 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 279 transitions. Word has length 50 [2018-11-28 23:02:38,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:38,709 INFO L480 AbstractCegarLoop]: Abstraction has 254 states and 279 transitions. [2018-11-28 23:02:38,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 23:02:38,709 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 279 transitions. [2018-11-28 23:02:38,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-28 23:02:38,709 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:02:38,709 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:02:38,713 INFO L423 AbstractCegarLoop]: === Iteration 21 === [merge_pairErr19REQUIRES_VIOLATION, merge_pairErr8REQUIRES_VIOLATION, merge_pairErr9REQUIRES_VIOLATION, merge_pairErr20REQUIRES_VIOLATION, merge_pairErr21REQUIRES_VIOLATION, merge_pairErr10REQUIRES_VIOLATION, merge_pairErr16REQUIRES_VIOLATION, merge_pairErr17REQUIRES_VIOLATION, merge_pairErr6REQUIRES_VIOLATION, merge_pairErr7REQUIRES_VIOLATION, merge_pairErr18REQUIRES_VIOLATION, merge_pairErr3REQUIRES_VIOLATION, merge_pairErr14REQUIRES_VIOLATION, merge_pairErr15REQUIRES_VIOLATION, merge_pairErr4REQUIRES_VIOLATION, merge_pairErr5REQUIRES_VIOLATION, merge_pairErr0REQUIRES_VIOLATION, merge_pairErr11REQUIRES_VIOLATION, merge_pairErr1REQUIRES_VIOLATION, merge_pairErr12REQUIRES_VIOLATION, merge_pairErr2REQUIRES_VIOLATION, merge_pairErr13REQUIRES_VIOLATION, merge_single_nodeErr4REQUIRES_VIOLATION, merge_single_nodeErr5REQUIRES_VIOLATION, merge_single_nodeErr3REQUIRES_VIOLATION, merge_single_nodeErr7REQUIRES_VIOLATION, merge_single_nodeErr6REQUIRES_VIOLATION, merge_single_nodeErr10REQUIRES_VIOLATION, merge_single_nodeErr8REQUIRES_VIOLATION, merge_single_nodeErr9REQUIRES_VIOLATION, merge_single_nodeErr12REQUIRES_VIOLATION, merge_single_nodeErr2REQUIRES_VIOLATION, merge_single_nodeErr0REQUIRES_VIOLATION, merge_single_nodeErr13REQUIRES_VIOLATION, merge_single_nodeErr11REQUIRES_VIOLATION, merge_single_nodeErr1REQUIRES_VIOLATION, seq_sort_coreErr8REQUIRES_VIOLATION, seq_sort_coreErr9REQUIRES_VIOLATION, seq_sort_coreErr10REQUIRES_VIOLATION, seq_sort_coreErr0REQUIRES_VIOLATION, seq_sort_coreErr11REQUIRES_VIOLATION, seq_sort_coreErr1REQUIRES_VIOLATION, seq_sort_coreErr2REQUIRES_VIOLATION, seq_sort_coreErr3REQUIRES_VIOLATION, seq_sort_coreErr4REQUIRES_VIOLATION, seq_sort_coreErr5REQUIRES_VIOLATION, seq_sort_coreErr6REQUIRES_VIOLATION, seq_sort_coreErr13ASSERT_VIOLATIONMEMORY_FREE, seq_sort_coreErr7REQUIRES_VIOLATION, seq_sort_coreErr12ASSERT_VIOLATIONMEMORY_FREE, inspect_beforeErr10REQUIRES_VIOLATION, inspect_beforeErr9REQUIRES_VIOLATION, inspect_beforeErr19REQUIRES_VIOLATION, inspect_beforeErr8REQUIRES_VIOLATION, inspect_beforeErr13REQUIRES_VIOLATION, inspect_beforeErr2REQUIRES_VIOLATION, inspect_beforeErr12REQUIRES_VIOLATION, inspect_beforeErr1REQUIRES_VIOLATION, inspect_beforeErr0REQUIRES_VIOLATION, inspect_beforeErr11REQUIRES_VIOLATION, inspect_beforeErr5REQUIRES_VIOLATION, inspect_beforeErr15REQUIRES_VIOLATION, inspect_beforeErr4REQUIRES_VIOLATION, inspect_beforeErr14REQUIRES_VIOLATION, inspect_beforeErr3REQUIRES_VIOLATION, inspect_beforeErr18REQUIRES_VIOLATION, inspect_beforeErr7REQUIRES_VIOLATION, inspect_beforeErr17REQUIRES_VIOLATION, inspect_beforeErr6REQUIRES_VIOLATION, inspect_beforeErr16REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr16ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr18ENSURES_VIOLATIONMEMORY_LEAK, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, inspect_afterErr7REQUIRES_VIOLATION, inspect_afterErr2REQUIRES_VIOLATION, inspect_afterErr11REQUIRES_VIOLATION, inspect_afterErr0REQUIRES_VIOLATION, inspect_afterErr1REQUIRES_VIOLATION, inspect_afterErr6REQUIRES_VIOLATION, inspect_afterErr4REQUIRES_VIOLATION, inspect_afterErr5REQUIRES_VIOLATION, inspect_afterErr10REQUIRES_VIOLATION, inspect_afterErr3REQUIRES_VIOLATION, inspect_afterErr8REQUIRES_VIOLATION, inspect_afterErr9REQUIRES_VIOLATION]=== [2018-11-28 23:02:38,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:02:38,713 INFO L82 PathProgramCache]: Analyzing trace with hash -160230747, now seen corresponding path program 1 times [2018-11-28 23:02:38,713 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:02:38,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:02:38,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:38,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:02:38,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:02:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:02:39,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:02:39,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:02:39,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-11-28 23:02:39,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 23:02:39,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 23:02:39,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-11-28 23:02:39,079 INFO L87 Difference]: Start difference. First operand 254 states and 279 transitions. Second operand 14 states. [2018-11-28 23:02:39,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:02:39,672 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2018-11-28 23:02:39,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 23:02:39,673 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 50 [2018-11-28 23:02:39,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:02:39,673 INFO L225 Difference]: With dead ends: 44 [2018-11-28 23:02:39,674 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 23:02:39,674 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2018-11-28 23:02:39,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 23:02:39,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 23:02:39,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 23:02:39,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 23:02:39,675 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2018-11-28 23:02:39,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:02:39,675 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:02:39,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 23:02:39,675 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:02:39,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 23:02:39,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:02:39 BoogieIcfgContainer [2018-11-28 23:02:39,682 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 23:02:39,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:02:39,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:02:39,683 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:02:39,687 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:02:20" (3/4) ... [2018-11-28 23:02:39,692 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 23:02:39,700 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fail [2018-11-28 23:02:39,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 23:02:39,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure merge_pair [2018-11-28 23:02:39,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure merge_single_node [2018-11-28 23:02:39,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2018-11-28 23:02:39,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure seq_sort_core [2018-11-28 23:02:39,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2018-11-28 23:02:39,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure inspect_before [2018-11-28 23:02:39,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 23:02:39,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure inspect_after [2018-11-28 23:02:39,716 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-11-28 23:02:39,716 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 23:02:39,718 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 23:02:39,833 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:02:39,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:02:39,834 INFO L168 Benchmark]: Toolchain (without parser) took 21846.01 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 300.9 MB). Free memory was 951.3 MB in the beginning and 992.4 MB in the end (delta: -41.1 MB). Peak memory consumption was 259.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:02:39,834 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:02:39,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 36.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:02:39,838 INFO L168 Benchmark]: Boogie Preprocessor took 117.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:02:39,839 INFO L168 Benchmark]: RCFGBuilder took 1995.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.0 MB). Peak memory consumption was 88.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:02:39,839 INFO L168 Benchmark]: TraceAbstraction took 18797.87 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.0 MB). Peak memory consumption was 182.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:02:39,841 INFO L168 Benchmark]: Witness Printer took 150.20 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 992.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:02:39,844 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 780.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 36.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 117.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1995.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.0 MB). Peak memory consumption was 88.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18797.87 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.0 MB). Peak memory consumption was 182.7 MB. Max. memory is 11.5 GB. * Witness Printer took 150.20 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 992.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 577]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 577]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 577]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 577]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 573]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 573]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 573]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 573]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 573]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 573]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 569]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 569]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 570]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 570]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 570]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 568]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 570]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 595]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 595]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 597]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 597]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 590]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 590]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 594]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 594]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 594]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 598]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 598]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 605]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 609]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 614]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 609]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 612]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 612]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 605]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 605]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 605]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 613]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 608]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 613]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 614]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 609]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 614]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 609]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 614]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 633]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 632]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 632]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 647]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 637]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 648]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 637]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 648]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 650]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 650]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 633]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 638]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 651]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 638]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 651]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 647]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 625]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 644]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 644]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 622]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 620]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 622]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 622]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 622]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 620]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 622]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 622]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 101 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 278 locations, 101 error locations. SAFE Result, 18.7s OverallTime, 21 OverallIterations, 2 TraceHistogramMax, 13.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4586 SDtfs, 2008 SDslu, 10434 SDs, 0 SdLazy, 7065 SolverSat, 242 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 49 SyntacticMatches, 10 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=272occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 479 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 625 NumberOfCodeBlocks, 625 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 604 ConstructedInterpolants, 0 QuantifiedInterpolants, 134191 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 30/30 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...