./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/forester-heap/dll-optional-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/forester-heap/dll-optional-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b441a4213b4a827a391c87a88efb5ed98112599 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup) --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 03:57:31,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 03:57:31,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 03:57:31,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 03:57:31,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 03:57:31,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 03:57:31,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 03:57:31,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 03:57:31,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 03:57:31,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 03:57:31,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 03:57:31,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 03:57:31,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 03:57:31,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 03:57:31,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 03:57:31,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 03:57:31,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 03:57:31,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 03:57:31,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 03:57:31,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 03:57:31,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 03:57:31,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 03:57:31,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 03:57:31,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 03:57:31,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 03:57:31,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 03:57:31,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 03:57:31,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 03:57:31,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 03:57:31,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 03:57:31,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 03:57:31,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 03:57:31,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 03:57:31,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 03:57:31,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 03:57:31,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 03:57:31,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 03:57:31,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 03:57:31,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 03:57:31,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 03:57:31,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 03:57:31,442 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2020-10-26 03:57:31,483 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 03:57:31,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 03:57:31,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 03:57:31,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 03:57:31,488 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 03:57:31,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 03:57:31,488 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 03:57:31,489 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 03:57:31,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 03:57:31,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 03:57:31,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 03:57:31,489 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-26 03:57:31,489 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-26 03:57:31,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 03:57:31,490 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-26 03:57:31,490 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 03:57:31,490 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 03:57:31,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 03:57:31,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 03:57:31,491 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 03:57:31,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 03:57:31,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 03:57:31,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 03:57:31,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 03:57:31,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 03:57:31,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 03:57:31,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 03:57:31,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b441a4213b4a827a391c87a88efb5ed98112599 [2020-10-26 03:57:31,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 03:57:32,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 03:57:32,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 03:57:32,015 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 03:57:32,016 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 03:57:32,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-optional-2.i [2020-10-26 03:57:32,114 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95f666a4c/d0d8ba97c55748b7b66cb2d53882f7cb/FLAGd82e40732 [2020-10-26 03:57:32,841 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 03:57:32,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-optional-2.i [2020-10-26 03:57:32,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95f666a4c/d0d8ba97c55748b7b66cb2d53882f7cb/FLAGd82e40732 [2020-10-26 03:57:33,086 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95f666a4c/d0d8ba97c55748b7b66cb2d53882f7cb [2020-10-26 03:57:33,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 03:57:33,101 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-26 03:57:33,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 03:57:33,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 03:57:33,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 03:57:33,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:57:33" (1/1) ... [2020-10-26 03:57:33,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4005e6c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:33, skipping insertion in model container [2020-10-26 03:57:33,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:57:33" (1/1) ... [2020-10-26 03:57:33,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 03:57:33,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 03:57:33,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 03:57:33,643 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 03:57:33,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 03:57:33,762 INFO L208 MainTranslator]: Completed translation [2020-10-26 03:57:33,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:33 WrapperNode [2020-10-26 03:57:33,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 03:57:33,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 03:57:33,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 03:57:33,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 03:57:33,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:33" (1/1) ... [2020-10-26 03:57:33,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:33" (1/1) ... [2020-10-26 03:57:33,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:33" (1/1) ... [2020-10-26 03:57:33,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:33" (1/1) ... [2020-10-26 03:57:33,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:33" (1/1) ... [2020-10-26 03:57:33,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:33" (1/1) ... [2020-10-26 03:57:33,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:33" (1/1) ... [2020-10-26 03:57:33,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 03:57:33,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 03:57:33,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 03:57:33,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 03:57:33,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:33" (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 [2020-10-26 03:57:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 03:57:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 03:57:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 03:57:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 03:57:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-26 03:57:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-26 03:57:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-26 03:57:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-26 03:57:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-26 03:57:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-26 03:57:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-26 03:57:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-26 03:57:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-26 03:57:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-26 03:57:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-26 03:57:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-26 03:57:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-26 03:57:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-26 03:57:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-26 03:57:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-26 03:57:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-26 03:57:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-26 03:57:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-26 03:57:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-26 03:57:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-26 03:57:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-26 03:57:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-26 03:57:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-26 03:57:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-26 03:57:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-26 03:57:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-26 03:57:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-26 03:57:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-26 03:57:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-26 03:57:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-26 03:57:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-26 03:57:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-26 03:57:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-26 03:57:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-26 03:57:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-26 03:57:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-26 03:57:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-26 03:57:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-26 03:57:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-26 03:57:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-26 03:57:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-26 03:57:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-26 03:57:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-26 03:57:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-26 03:57:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-26 03:57:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-26 03:57:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-26 03:57:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-26 03:57:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-26 03:57:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-26 03:57:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-26 03:57:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-26 03:57:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-26 03:57:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-26 03:57:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-26 03:57:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-26 03:57:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-26 03:57:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-26 03:57:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 03:57:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-26 03:57:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-26 03:57:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-26 03:57:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 03:57:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-26 03:57:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-26 03:57:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-26 03:57:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-26 03:57:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-26 03:57:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-26 03:57:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-26 03:57:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-26 03:57:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-26 03:57:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-26 03:57:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-26 03:57:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-26 03:57:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-26 03:57:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-26 03:57:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-26 03:57:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-26 03:57:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-26 03:57:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-26 03:57:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-26 03:57:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-26 03:57:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-26 03:57:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-26 03:57:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-26 03:57:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-26 03:57:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-26 03:57:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-26 03:57:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-26 03:57:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-26 03:57:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-26 03:57:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-26 03:57:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-26 03:57:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-26 03:57:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-26 03:57:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-26 03:57:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-26 03:57:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-26 03:57:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-26 03:57:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-26 03:57:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-26 03:57:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 03:57:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 03:57:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-26 03:57:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-26 03:57:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 03:57:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 03:57:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 03:57:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-26 03:57:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-26 03:57:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 03:57:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-26 03:57:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 03:57:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 03:57:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 03:57:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 03:57:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 03:57:34,862 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 03:57:34,862 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-26 03:57:34,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:57:34 BoogieIcfgContainer [2020-10-26 03:57:34,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 03:57:34,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 03:57:34,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 03:57:34,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 03:57:34,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 03:57:33" (1/3) ... [2020-10-26 03:57:34,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af80b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 03:57:34, skipping insertion in model container [2020-10-26 03:57:34,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:33" (2/3) ... [2020-10-26 03:57:34,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af80b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 03:57:34, skipping insertion in model container [2020-10-26 03:57:34,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:57:34" (3/3) ... [2020-10-26 03:57:34,881 INFO L111 eAbstractionObserver]: Analyzing ICFG dll-optional-2.i [2020-10-26 03:57:34,893 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-26 03:57:34,899 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 66 error locations. [2020-10-26 03:57:34,913 INFO L253 AbstractCegarLoop]: Starting to check reachability of 66 error locations. [2020-10-26 03:57:34,934 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 03:57:34,935 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-26 03:57:34,935 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-26 03:57:34,935 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 03:57:34,935 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 03:57:34,935 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 03:57:34,935 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 03:57:34,935 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 03:57:34,956 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2020-10-26 03:57:34,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-26 03:57:34,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:57:34,965 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:57:34,966 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr51REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2020-10-26 03:57:34,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:57:34,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1933544382, now seen corresponding path program 1 times [2020-10-26 03:57:34,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:57:34,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29416096] [2020-10-26 03:57:34,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:57:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:35,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:57:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:35,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:57:35,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29416096] [2020-10-26 03:57:35,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:57:35,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 03:57:35,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41562321] [2020-10-26 03:57:35,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 03:57:35,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:57:35,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 03:57:35,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 03:57:35,241 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 4 states. [2020-10-26 03:57:35,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:57:35,628 INFO L93 Difference]: Finished difference Result 142 states and 151 transitions. [2020-10-26 03:57:35,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 03:57:35,630 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-26 03:57:35,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:57:35,642 INFO L225 Difference]: With dead ends: 142 [2020-10-26 03:57:35,642 INFO L226 Difference]: Without dead ends: 138 [2020-10-26 03:57:35,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 03:57:35,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-26 03:57:35,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 132. [2020-10-26 03:57:35,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-26 03:57:35,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 142 transitions. [2020-10-26 03:57:35,695 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 142 transitions. Word has length 7 [2020-10-26 03:57:35,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:57:35,696 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 142 transitions. [2020-10-26 03:57:35,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 03:57:35,696 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 142 transitions. [2020-10-26 03:57:35,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-26 03:57:35,697 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:57:35,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:57:35,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 03:57:35,698 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr51REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2020-10-26 03:57:35,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:57:35,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1933544381, now seen corresponding path program 1 times [2020-10-26 03:57:35,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:57:35,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17270494] [2020-10-26 03:57:35,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:57:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:35,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:57:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:35,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:57:35,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17270494] [2020-10-26 03:57:35,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:57:35,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 03:57:35,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337685196] [2020-10-26 03:57:35,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 03:57:35,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:57:35,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 03:57:35,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 03:57:35,806 INFO L87 Difference]: Start difference. First operand 132 states and 142 transitions. Second operand 4 states. [2020-10-26 03:57:36,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:57:36,160 INFO L93 Difference]: Finished difference Result 127 states and 137 transitions. [2020-10-26 03:57:36,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 03:57:36,161 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-26 03:57:36,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:57:36,162 INFO L225 Difference]: With dead ends: 127 [2020-10-26 03:57:36,163 INFO L226 Difference]: Without dead ends: 127 [2020-10-26 03:57:36,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 03:57:36,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-26 03:57:36,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 123. [2020-10-26 03:57:36,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-26 03:57:36,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 133 transitions. [2020-10-26 03:57:36,175 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 133 transitions. Word has length 7 [2020-10-26 03:57:36,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:57:36,176 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 133 transitions. [2020-10-26 03:57:36,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 03:57:36,176 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 133 transitions. [2020-10-26 03:57:36,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-26 03:57:36,177 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:57:36,177 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:57:36,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 03:57:36,177 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr51REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2020-10-26 03:57:36,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:57:36,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1743125386, now seen corresponding path program 1 times [2020-10-26 03:57:36,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:57:36,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910909093] [2020-10-26 03:57:36,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:57:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:36,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:57:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:36,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:57:36,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910909093] [2020-10-26 03:57:36,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:57:36,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 03:57:36,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610688474] [2020-10-26 03:57:36,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 03:57:36,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:57:36,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 03:57:36,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-26 03:57:36,293 INFO L87 Difference]: Start difference. First operand 123 states and 133 transitions. Second operand 6 states. [2020-10-26 03:57:36,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:57:36,950 INFO L93 Difference]: Finished difference Result 243 states and 264 transitions. [2020-10-26 03:57:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 03:57:36,950 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-26 03:57:36,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:57:36,953 INFO L225 Difference]: With dead ends: 243 [2020-10-26 03:57:36,954 INFO L226 Difference]: Without dead ends: 243 [2020-10-26 03:57:36,954 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-26 03:57:36,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-10-26 03:57:36,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 122. [2020-10-26 03:57:36,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-26 03:57:36,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 132 transitions. [2020-10-26 03:57:36,966 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 132 transitions. Word has length 15 [2020-10-26 03:57:36,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:57:36,967 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 132 transitions. [2020-10-26 03:57:36,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 03:57:36,967 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 132 transitions. [2020-10-26 03:57:36,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-26 03:57:36,968 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:57:36,968 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:57:36,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 03:57:36,969 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr51REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2020-10-26 03:57:36,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:57:36,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1743125387, now seen corresponding path program 1 times [2020-10-26 03:57:36,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:57:36,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948315385] [2020-10-26 03:57:36,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:57:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:37,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:57:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:37,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:57:37,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948315385] [2020-10-26 03:57:37,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:57:37,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 03:57:37,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460070606] [2020-10-26 03:57:37,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 03:57:37,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:57:37,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 03:57:37,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-26 03:57:37,144 INFO L87 Difference]: Start difference. First operand 122 states and 132 transitions. Second operand 6 states. [2020-10-26 03:57:37,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:57:37,912 INFO L93 Difference]: Finished difference Result 218 states and 237 transitions. [2020-10-26 03:57:37,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 03:57:37,920 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-26 03:57:37,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:57:37,922 INFO L225 Difference]: With dead ends: 218 [2020-10-26 03:57:37,922 INFO L226 Difference]: Without dead ends: 218 [2020-10-26 03:57:37,923 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-26 03:57:37,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-10-26 03:57:37,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 121. [2020-10-26 03:57:37,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-26 03:57:37,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 131 transitions. [2020-10-26 03:57:37,947 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 131 transitions. Word has length 15 [2020-10-26 03:57:37,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:57:37,948 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 131 transitions. [2020-10-26 03:57:37,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 03:57:37,950 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 131 transitions. [2020-10-26 03:57:37,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-26 03:57:37,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:57:37,952 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:57:37,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 03:57:37,952 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr51REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2020-10-26 03:57:37,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:57:37,955 INFO L82 PathProgramCache]: Analyzing trace with hash 238648569, now seen corresponding path program 1 times [2020-10-26 03:57:37,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:57:37,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278095476] [2020-10-26 03:57:37,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:57:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:38,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:57:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:38,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:57:38,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278095476] [2020-10-26 03:57:38,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:57:38,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-26 03:57:38,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677798512] [2020-10-26 03:57:38,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 03:57:38,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:57:38,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 03:57:38,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-26 03:57:38,147 INFO L87 Difference]: Start difference. First operand 121 states and 131 transitions. Second operand 5 states. [2020-10-26 03:57:38,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:57:38,531 INFO L93 Difference]: Finished difference Result 124 states and 133 transitions. [2020-10-26 03:57:38,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 03:57:38,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-26 03:57:38,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:57:38,534 INFO L225 Difference]: With dead ends: 124 [2020-10-26 03:57:38,534 INFO L226 Difference]: Without dead ends: 124 [2020-10-26 03:57:38,535 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-26 03:57:38,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-10-26 03:57:38,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 115. [2020-10-26 03:57:38,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-26 03:57:38,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 130 transitions. [2020-10-26 03:57:38,541 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 130 transitions. Word has length 17 [2020-10-26 03:57:38,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:57:38,542 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 130 transitions. [2020-10-26 03:57:38,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 03:57:38,542 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 130 transitions. [2020-10-26 03:57:38,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-26 03:57:38,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:57:38,543 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:57:38,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 03:57:38,544 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr51REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2020-10-26 03:57:38,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:57:38,544 INFO L82 PathProgramCache]: Analyzing trace with hash 238648570, now seen corresponding path program 1 times [2020-10-26 03:57:38,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:57:38,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521638652] [2020-10-26 03:57:38,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:57:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:38,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:57:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:38,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:57:38,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521638652] [2020-10-26 03:57:38,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:57:38,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-26 03:57:38,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833134640] [2020-10-26 03:57:38,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 03:57:38,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:57:38,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 03:57:38,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-26 03:57:38,683 INFO L87 Difference]: Start difference. First operand 115 states and 130 transitions. Second operand 5 states. [2020-10-26 03:57:39,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:57:39,140 INFO L93 Difference]: Finished difference Result 159 states and 175 transitions. [2020-10-26 03:57:39,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 03:57:39,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-26 03:57:39,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:57:39,143 INFO L225 Difference]: With dead ends: 159 [2020-10-26 03:57:39,143 INFO L226 Difference]: Without dead ends: 159 [2020-10-26 03:57:39,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-26 03:57:39,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-10-26 03:57:39,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 136. [2020-10-26 03:57:39,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-26 03:57:39,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 157 transitions. [2020-10-26 03:57:39,162 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 157 transitions. Word has length 17 [2020-10-26 03:57:39,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:57:39,162 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 157 transitions. [2020-10-26 03:57:39,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 03:57:39,163 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 157 transitions. [2020-10-26 03:57:39,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-26 03:57:39,166 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:57:39,166 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:57:39,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 03:57:39,167 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr51REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2020-10-26 03:57:39,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:57:39,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1708009404, now seen corresponding path program 1 times [2020-10-26 03:57:39,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:57:39,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907187637] [2020-10-26 03:57:39,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:57:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:39,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:57:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:39,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:57:39,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907187637] [2020-10-26 03:57:39,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:57:39,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 03:57:39,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330714395] [2020-10-26 03:57:39,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 03:57:39,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:57:39,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 03:57:39,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-26 03:57:39,303 INFO L87 Difference]: Start difference. First operand 136 states and 157 transitions. Second operand 6 states. [2020-10-26 03:57:39,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:57:39,820 INFO L93 Difference]: Finished difference Result 180 states and 207 transitions. [2020-10-26 03:57:39,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 03:57:39,820 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-26 03:57:39,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:57:39,822 INFO L225 Difference]: With dead ends: 180 [2020-10-26 03:57:39,824 INFO L226 Difference]: Without dead ends: 180 [2020-10-26 03:57:39,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-26 03:57:39,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-10-26 03:57:39,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 135. [2020-10-26 03:57:39,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-26 03:57:39,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 155 transitions. [2020-10-26 03:57:39,841 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 155 transitions. Word has length 19 [2020-10-26 03:57:39,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:57:39,841 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 155 transitions. [2020-10-26 03:57:39,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 03:57:39,842 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 155 transitions. [2020-10-26 03:57:39,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-26 03:57:39,844 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:57:39,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:57:39,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 03:57:39,846 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr51REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2020-10-26 03:57:39,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:57:39,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1708009405, now seen corresponding path program 1 times [2020-10-26 03:57:39,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:57:39,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056116487] [2020-10-26 03:57:39,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:57:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:39,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:57:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:39,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:57:39,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056116487] [2020-10-26 03:57:39,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:57:39,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 03:57:39,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535040988] [2020-10-26 03:57:39,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 03:57:39,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:57:39,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 03:57:39,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-26 03:57:39,983 INFO L87 Difference]: Start difference. First operand 135 states and 155 transitions. Second operand 6 states. [2020-10-26 03:57:40,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:57:40,521 INFO L93 Difference]: Finished difference Result 200 states and 233 transitions. [2020-10-26 03:57:40,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 03:57:40,522 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-26 03:57:40,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:57:40,524 INFO L225 Difference]: With dead ends: 200 [2020-10-26 03:57:40,524 INFO L226 Difference]: Without dead ends: 200 [2020-10-26 03:57:40,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-26 03:57:40,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-10-26 03:57:40,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 134. [2020-10-26 03:57:40,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-26 03:57:40,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2020-10-26 03:57:40,529 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 19 [2020-10-26 03:57:40,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:57:40,529 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2020-10-26 03:57:40,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 03:57:40,530 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2020-10-26 03:57:40,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-26 03:57:40,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:57:40,531 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:57:40,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 03:57:40,531 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr51REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2020-10-26 03:57:40,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:57:40,532 INFO L82 PathProgramCache]: Analyzing trace with hash 776500473, now seen corresponding path program 1 times [2020-10-26 03:57:40,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:57:40,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481902088] [2020-10-26 03:57:40,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:57:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:40,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:57:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:40,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:57:40,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481902088] [2020-10-26 03:57:40,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:57:40,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 03:57:40,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605695449] [2020-10-26 03:57:40,610 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 03:57:40,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:57:40,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 03:57:40,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-26 03:57:40,611 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand 5 states. [2020-10-26 03:57:40,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:57:40,935 INFO L93 Difference]: Finished difference Result 150 states and 166 transitions. [2020-10-26 03:57:40,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 03:57:40,936 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-26 03:57:40,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:57:40,938 INFO L225 Difference]: With dead ends: 150 [2020-10-26 03:57:40,938 INFO L226 Difference]: Without dead ends: 150 [2020-10-26 03:57:40,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-26 03:57:40,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-10-26 03:57:40,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 134. [2020-10-26 03:57:40,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-26 03:57:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 151 transitions. [2020-10-26 03:57:40,945 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 151 transitions. Word has length 22 [2020-10-26 03:57:40,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:57:40,945 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 151 transitions. [2020-10-26 03:57:40,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 03:57:40,946 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 151 transitions. [2020-10-26 03:57:40,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-26 03:57:40,946 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:57:40,947 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:57:40,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 03:57:40,947 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr51REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2020-10-26 03:57:40,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:57:40,948 INFO L82 PathProgramCache]: Analyzing trace with hash -19822210, now seen corresponding path program 1 times [2020-10-26 03:57:40,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:57:40,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885733113] [2020-10-26 03:57:40,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:57:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:41,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:57:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:41,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:57:41,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885733113] [2020-10-26 03:57:41,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:57:41,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-26 03:57:41,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085685752] [2020-10-26 03:57:41,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-26 03:57:41,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:57:41,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-26 03:57:41,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-26 03:57:41,112 INFO L87 Difference]: Start difference. First operand 134 states and 151 transitions. Second operand 10 states. [2020-10-26 03:57:41,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:57:41,773 INFO L93 Difference]: Finished difference Result 135 states and 150 transitions. [2020-10-26 03:57:41,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 03:57:41,774 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2020-10-26 03:57:41,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:57:41,775 INFO L225 Difference]: With dead ends: 135 [2020-10-26 03:57:41,776 INFO L226 Difference]: Without dead ends: 135 [2020-10-26 03:57:41,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-26 03:57:41,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-10-26 03:57:41,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 133. [2020-10-26 03:57:41,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-26 03:57:41,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 150 transitions. [2020-10-26 03:57:41,783 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 150 transitions. Word has length 23 [2020-10-26 03:57:41,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:57:41,783 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 150 transitions. [2020-10-26 03:57:41,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-26 03:57:41,784 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 150 transitions. [2020-10-26 03:57:41,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-26 03:57:41,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:57:41,787 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:57:41,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 03:57:41,787 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr51REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2020-10-26 03:57:41,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:57:41,789 INFO L82 PathProgramCache]: Analyzing trace with hash -19822209, now seen corresponding path program 1 times [2020-10-26 03:57:41,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:57:41,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895011662] [2020-10-26 03:57:41,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:57:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:42,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 03:57:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:57:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:57:42,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895011662] [2020-10-26 03:57:42,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:57:42,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-26 03:57:42,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390971891] [2020-10-26 03:57:42,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-26 03:57:42,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 03:57:42,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-26 03:57:42,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-26 03:57:42,025 INFO L87 Difference]: Start difference. First operand 133 states and 150 transitions. Second operand 11 states. [2020-10-26 03:57:43,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:57:43,011 INFO L93 Difference]: Finished difference Result 126 states and 141 transitions. [2020-10-26 03:57:43,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-26 03:57:43,012 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2020-10-26 03:57:43,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:57:43,013 INFO L225 Difference]: With dead ends: 126 [2020-10-26 03:57:43,013 INFO L226 Difference]: Without dead ends: 126 [2020-10-26 03:57:43,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2020-10-26 03:57:43,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-26 03:57:43,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 115. [2020-10-26 03:57:43,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-26 03:57:43,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 131 transitions. [2020-10-26 03:57:43,018 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 131 transitions. Word has length 23 [2020-10-26 03:57:43,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:57:43,018 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 131 transitions. [2020-10-26 03:57:43,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-26 03:57:43,018 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 131 transitions. [2020-10-26 03:57:43,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-26 03:57:43,019 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:57:43,019 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:57:43,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-26 03:57:43,019 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr51REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr45REQUIRES_VIOLATION, mainErr47REQUIRES_VIOLATION, mainErr61ASSERT_VIOLATIONMEMORY_FREE, mainErr43REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr60ASSERT_VIOLATIONMEMORY_FREE, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr27REQUIRES_VIOLATION, mainErr48REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr23REQUIRES_VIOLATION, mainErr44REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr54REQUIRES_VIOLATION]=== [2020-10-26 03:57:43,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:57:43,020 INFO L82 PathProgramCache]: Analyzing trace with hash 425134885, now seen corresponding path program 1 times [2020-10-26 03:57:43,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 03:57:43,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913436821] [2020-10-26 03:57:43,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 03:57:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 03:57:43,034 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 03:57:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 03:57:43,046 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 03:57:43,078 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 03:57:43,079 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 03:57:43,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-26 03:57:43,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 03:57:43 BoogieIcfgContainer [2020-10-26 03:57:43,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 03:57:43,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 03:57:43,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 03:57:43,114 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 03:57:43,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:57:34" (3/4) ... [2020-10-26 03:57:43,117 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-26 03:57:43,170 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-26 03:57:43,170 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 03:57:43,173 INFO L168 Benchmark]: Toolchain (without parser) took 10076.40 ms. Allocated memory was 41.9 MB in the beginning and 130.0 MB in the end (delta: 88.1 MB). Free memory was 27.1 MB in the beginning and 72.8 MB in the end (delta: -45.8 MB). Peak memory consumption was 41.7 MB. Max. memory is 16.1 GB. [2020-10-26 03:57:43,174 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 41.9 MB. Free memory was 25.0 MB in the beginning and 25.0 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:57:43,175 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.77 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 26.4 MB in the beginning and 33.5 MB in the end (delta: -7.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-10-26 03:57:43,176 INFO L168 Benchmark]: Boogie Preprocessor took 69.62 ms. Allocated memory is still 50.3 MB. Free memory was 33.5 MB in the beginning and 30.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 03:57:43,176 INFO L168 Benchmark]: RCFGBuilder took 1029.23 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 30.6 MB in the beginning and 25.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2020-10-26 03:57:43,177 INFO L168 Benchmark]: TraceAbstraction took 8241.07 ms. Allocated memory was 60.8 MB in the beginning and 130.0 MB in the end (delta: 69.2 MB). Free memory was 42.0 MB in the beginning and 74.9 MB in the end (delta: -33.0 MB). Peak memory consumption was 35.5 MB. Max. memory is 16.1 GB. [2020-10-26 03:57:43,178 INFO L168 Benchmark]: Witness Printer took 56.83 ms. Allocated memory is still 130.0 MB. Free memory was 74.9 MB in the beginning and 72.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 03:57:43,181 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 41.9 MB. Free memory was 25.0 MB in the beginning and 25.0 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 660.77 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 26.4 MB in the beginning and 33.5 MB in the end (delta: -7.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.62 ms. Allocated memory is still 50.3 MB. Free memory was 33.5 MB in the beginning and 30.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1029.23 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 30.6 MB in the beginning and 25.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8241.07 ms. Allocated memory was 60.8 MB in the beginning and 130.0 MB in the end (delta: 69.2 MB). Free memory was 42.0 MB in the beginning and 74.9 MB in the end (delta: -33.0 MB). Peak memory consumption was 35.5 MB. Max. memory is 16.1 GB. * Witness Printer took 56.83 ms. Allocated memory is still 130.0 MB. Free memory was 74.9 MB in the beginning and 72.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 985]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L997] SLL* head = malloc(sizeof(SLL)); VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L998] head->next = ((void*)0) VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L999] head->prev = ((void*)0) VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L1000] COND FALSE !(__VERIFIER_nondet_int()) [L1000] COND FALSE !(__VERIFIER_nondet_int()) [L1000] head->data = 0 VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L1000] head->opt = head VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L1001] SLL* x = head; VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}] [L1003] COND FALSE !(__VERIFIER_nondet_int()) [L1006] x = head VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}] [L1007] COND TRUE x != ((void*)0) VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}] [L1009] EXPR x->data VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}, x->data=0] [L1009] EXPR x->data == 2 && x->opt == x VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}, x->data=0, x->data == 2 && x->opt == x=0] [L1009] COND TRUE !(x->data == 2 && x->opt == x) [L1009] CALL reach_error() [L985] COND FALSE !(0) [L985] __assert_fail ("0", "dll-optional-2.c", 16, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 145 locations, 66 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.1s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1017 SDtfs, 1309 SDslu, 1661 SDs, 0 SdLazy, 4077 SolverSat, 183 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 400 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 16939 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...