./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/sll-01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/forester-heap/sll-01-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31de2fb67e84e52bb7705ac8720e6b139fef2d91 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:41:41,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:41:41,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:41:41,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:41:41,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:41:41,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:41:41,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:41:41,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:41:41,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:41:41,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:41:41,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:41:41,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:41:41,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:41:41,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:41:41,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:41:41,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:41:41,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:41:41,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:41:41,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:41:41,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:41:41,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:41:41,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:41:41,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:41:41,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:41:41,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:41:41,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:41:41,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:41:41,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:41:41,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:41:41,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:41:41,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:41:41,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:41:41,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:41:41,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:41:41,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:41:41,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:41:41,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:41:41,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:41:41,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:41:41,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:41:41,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:41:41,392 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:41:41,411 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:41:41,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:41:41,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:41:41,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:41:41,414 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:41:41,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:41:41,415 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:41:41,415 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:41:41,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:41:41,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:41:41,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:41:41,417 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:41:41,417 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:41:41,418 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:41:41,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:41:41,418 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:41:41,419 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:41:41,419 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:41:41,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:41:41,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:41:41,420 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:41:41,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:41:41,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:41:41,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:41:41,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:41:41,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:41:41,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:41:41,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 31de2fb67e84e52bb7705ac8720e6b139fef2d91 [2019-11-28 02:41:41,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:41:41,720 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:41:41,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:41:41,725 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:41:41,726 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:41:41,726 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-01-2.i [2019-11-28 02:41:41,792 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7916419a/546eaa6b25a343dbb2d5786de31b44d9/FLAG90270b9f2 [2019-11-28 02:41:42,366 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:41:42,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-01-2.i [2019-11-28 02:41:42,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7916419a/546eaa6b25a343dbb2d5786de31b44d9/FLAG90270b9f2 [2019-11-28 02:41:42,635 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7916419a/546eaa6b25a343dbb2d5786de31b44d9 [2019-11-28 02:41:42,637 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:41:42,639 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:41:42,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:41:42,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:41:42,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:41:42,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:41:42" (1/1) ... [2019-11-28 02:41:42,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672988f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:42, skipping insertion in model container [2019-11-28 02:41:42,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:41:42" (1/1) ... [2019-11-28 02:41:42,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:41:42,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:41:43,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:41:43,130 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:41:43,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:41:43,266 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:41:43,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:43 WrapperNode [2019-11-28 02:41:43,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:41:43,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:41:43,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:41:43,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:41:43,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:43" (1/1) ... [2019-11-28 02:41:43,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:43" (1/1) ... [2019-11-28 02:41:43,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:43" (1/1) ... [2019-11-28 02:41:43,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:43" (1/1) ... [2019-11-28 02:41:43,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:43" (1/1) ... [2019-11-28 02:41:43,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:43" (1/1) ... [2019-11-28 02:41:43,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:43" (1/1) ... [2019-11-28 02:41:43,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:41:43,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:41:43,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:41:43,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:41:43,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:41:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:41:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:41:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:41:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 02:41:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 02:41:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 02:41:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 02:41:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 02:41:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 02:41:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 02:41:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 02:41:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 02:41:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 02:41:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 02:41:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 02:41:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 02:41:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 02:41:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 02:41:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 02:41:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 02:41:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 02:41:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 02:41:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 02:41:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 02:41:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 02:41:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 02:41:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 02:41:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 02:41:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 02:41:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 02:41:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 02:41:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 02:41:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 02:41:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 02:41:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 02:41:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 02:41:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 02:41:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 02:41:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 02:41:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 02:41:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 02:41:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 02:41:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 02:41:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 02:41:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 02:41:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 02:41:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 02:41:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 02:41:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 02:41:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 02:41:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 02:41:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 02:41:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 02:41:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 02:41:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 02:41:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 02:41:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 02:41:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-28 02:41:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 02:41:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 02:41:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 02:41:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 02:41:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 02:41:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 02:41:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 02:41:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 02:41:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 02:41:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 02:41:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 02:41:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 02:41:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 02:41:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 02:41:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 02:41:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 02:41:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 02:41:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 02:41:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 02:41:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 02:41:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 02:41:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 02:41:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 02:41:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 02:41:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 02:41:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 02:41:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 02:41:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 02:41:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 02:41:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 02:41:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 02:41:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 02:41:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 02:41:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 02:41:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 02:41:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 02:41:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 02:41:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 02:41:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 02:41:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 02:41:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 02:41:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 02:41:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 02:41:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 02:41:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 02:41:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 02:41:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 02:41:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 02:41:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 02:41:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 02:41:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:41:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 02:41:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 02:41:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 02:41:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:41:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:41:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:41:44,271 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:41:44,272 INFO L297 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-28 02:41:44,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:41:44 BoogieIcfgContainer [2019-11-28 02:41:44,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:41:44,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:41:44,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:41:44,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:41:44,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:41:42" (1/3) ... [2019-11-28 02:41:44,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718eb487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:41:44, skipping insertion in model container [2019-11-28 02:41:44,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:43" (2/3) ... [2019-11-28 02:41:44,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718eb487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:41:44, skipping insertion in model container [2019-11-28 02:41:44,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:41:44" (3/3) ... [2019-11-28 02:41:44,283 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-01-2.i [2019-11-28 02:41:44,293 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:41:44,301 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 80 error locations. [2019-11-28 02:41:44,313 INFO L249 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2019-11-28 02:41:44,330 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:41:44,330 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:41:44,330 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:41:44,330 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:41:44,331 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:41:44,331 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:41:44,331 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:41:44,331 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:41:44,359 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2019-11-28 02:41:44,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 02:41:44,369 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:44,370 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:44,371 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:44,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:44,378 INFO L82 PathProgramCache]: Analyzing trace with hash 672062655, now seen corresponding path program 1 times [2019-11-28 02:41:44,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:44,389 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804013499] [2019-11-28 02:41:44,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:44,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:44,577 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804013499] [2019-11-28 02:41:44,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:44,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:41:44,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005468593] [2019-11-28 02:41:44,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:41:44,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:44,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:41:44,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:41:44,603 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 4 states. [2019-11-28 02:41:45,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:45,132 INFO L93 Difference]: Finished difference Result 198 states and 209 transitions. [2019-11-28 02:41:45,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:41:45,134 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 02:41:45,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:45,148 INFO L225 Difference]: With dead ends: 198 [2019-11-28 02:41:45,148 INFO L226 Difference]: Without dead ends: 194 [2019-11-28 02:41:45,151 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:41:45,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-11-28 02:41:45,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 189. [2019-11-28 02:41:45,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2019-11-28 02:41:45,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 202 transitions. [2019-11-28 02:41:45,208 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 202 transitions. Word has length 7 [2019-11-28 02:41:45,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:45,209 INFO L462 AbstractCegarLoop]: Abstraction has 189 states and 202 transitions. [2019-11-28 02:41:45,209 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:41:45,209 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 202 transitions. [2019-11-28 02:41:45,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 02:41:45,210 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:45,210 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:45,211 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:45,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:45,212 INFO L82 PathProgramCache]: Analyzing trace with hash 672062656, now seen corresponding path program 1 times [2019-11-28 02:41:45,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:45,213 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304700512] [2019-11-28 02:41:45,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:45,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:45,294 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304700512] [2019-11-28 02:41:45,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:45,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:41:45,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736624503] [2019-11-28 02:41:45,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:41:45,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:45,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:41:45,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:41:45,298 INFO L87 Difference]: Start difference. First operand 189 states and 202 transitions. Second operand 4 states. [2019-11-28 02:41:45,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:45,696 INFO L93 Difference]: Finished difference Result 219 states and 231 transitions. [2019-11-28 02:41:45,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:41:45,697 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-28 02:41:45,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:45,699 INFO L225 Difference]: With dead ends: 219 [2019-11-28 02:41:45,699 INFO L226 Difference]: Without dead ends: 219 [2019-11-28 02:41:45,701 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:41:45,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2019-11-28 02:41:45,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 199. [2019-11-28 02:41:45,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-11-28 02:41:45,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 223 transitions. [2019-11-28 02:41:45,720 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 223 transitions. Word has length 7 [2019-11-28 02:41:45,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:45,720 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 223 transitions. [2019-11-28 02:41:45,720 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:41:45,720 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 223 transitions. [2019-11-28 02:41:45,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 02:41:45,721 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:45,721 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:45,722 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:45,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:45,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1607116447, now seen corresponding path program 1 times [2019-11-28 02:41:45,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:45,723 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345531876] [2019-11-28 02:41:45,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:45,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:45,784 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345531876] [2019-11-28 02:41:45,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:45,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:41:45,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470372769] [2019-11-28 02:41:45,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:41:45,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:45,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:41:45,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:41:45,787 INFO L87 Difference]: Start difference. First operand 199 states and 223 transitions. Second operand 4 states. [2019-11-28 02:41:46,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:46,090 INFO L93 Difference]: Finished difference Result 214 states and 226 transitions. [2019-11-28 02:41:46,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:41:46,091 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-28 02:41:46,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:46,092 INFO L225 Difference]: With dead ends: 214 [2019-11-28 02:41:46,093 INFO L226 Difference]: Without dead ends: 214 [2019-11-28 02:41:46,095 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:41:46,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-11-28 02:41:46,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 197. [2019-11-28 02:41:46,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-11-28 02:41:46,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 220 transitions. [2019-11-28 02:41:46,110 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 220 transitions. Word has length 9 [2019-11-28 02:41:46,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:46,110 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 220 transitions. [2019-11-28 02:41:46,110 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:41:46,111 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 220 transitions. [2019-11-28 02:41:46,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 02:41:46,111 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:46,111 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:46,112 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:46,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:46,112 INFO L82 PathProgramCache]: Analyzing trace with hash 590069371, now seen corresponding path program 1 times [2019-11-28 02:41:46,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:46,113 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378686990] [2019-11-28 02:41:46,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:46,222 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378686990] [2019-11-28 02:41:46,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:46,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:41:46,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985196727] [2019-11-28 02:41:46,226 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:41:46,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:46,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:41:46,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:41:46,228 INFO L87 Difference]: Start difference. First operand 197 states and 220 transitions. Second operand 6 states. [2019-11-28 02:41:46,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:46,999 INFO L93 Difference]: Finished difference Result 342 states and 374 transitions. [2019-11-28 02:41:47,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:41:47,000 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-11-28 02:41:47,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:47,002 INFO L225 Difference]: With dead ends: 342 [2019-11-28 02:41:47,002 INFO L226 Difference]: Without dead ends: 342 [2019-11-28 02:41:47,003 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:41:47,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2019-11-28 02:41:47,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 196. [2019-11-28 02:41:47,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2019-11-28 02:41:47,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 219 transitions. [2019-11-28 02:41:47,015 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 219 transitions. Word has length 14 [2019-11-28 02:41:47,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:47,015 INFO L462 AbstractCegarLoop]: Abstraction has 196 states and 219 transitions. [2019-11-28 02:41:47,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:41:47,016 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 219 transitions. [2019-11-28 02:41:47,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 02:41:47,016 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:47,016 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:47,017 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:47,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:47,018 INFO L82 PathProgramCache]: Analyzing trace with hash 590069372, now seen corresponding path program 1 times [2019-11-28 02:41:47,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:47,018 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784259744] [2019-11-28 02:41:47,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:47,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:47,157 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784259744] [2019-11-28 02:41:47,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:47,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:41:47,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186813706] [2019-11-28 02:41:47,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:41:47,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:47,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:41:47,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:41:47,161 INFO L87 Difference]: Start difference. First operand 196 states and 219 transitions. Second operand 6 states. [2019-11-28 02:41:47,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:47,877 INFO L93 Difference]: Finished difference Result 369 states and 414 transitions. [2019-11-28 02:41:47,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:41:47,877 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-11-28 02:41:47,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:47,881 INFO L225 Difference]: With dead ends: 369 [2019-11-28 02:41:47,881 INFO L226 Difference]: Without dead ends: 369 [2019-11-28 02:41:47,881 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:41:47,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-11-28 02:41:47,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 195. [2019-11-28 02:41:47,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2019-11-28 02:41:47,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 218 transitions. [2019-11-28 02:41:47,892 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 218 transitions. Word has length 14 [2019-11-28 02:41:47,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:47,892 INFO L462 AbstractCegarLoop]: Abstraction has 195 states and 218 transitions. [2019-11-28 02:41:47,893 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:41:47,893 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 218 transitions. [2019-11-28 02:41:47,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 02:41:47,894 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:47,894 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:47,894 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:47,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:47,895 INFO L82 PathProgramCache]: Analyzing trace with hash -544499115, now seen corresponding path program 1 times [2019-11-28 02:41:47,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:47,896 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043813662] [2019-11-28 02:41:47,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:48,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:48,050 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043813662] [2019-11-28 02:41:48,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:48,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 02:41:48,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082184538] [2019-11-28 02:41:48,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 02:41:48,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:48,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 02:41:48,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:41:48,053 INFO L87 Difference]: Start difference. First operand 195 states and 218 transitions. Second operand 9 states. [2019-11-28 02:41:49,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:49,266 INFO L93 Difference]: Finished difference Result 343 states and 374 transitions. [2019-11-28 02:41:49,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 02:41:49,267 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2019-11-28 02:41:49,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:49,270 INFO L225 Difference]: With dead ends: 343 [2019-11-28 02:41:49,270 INFO L226 Difference]: Without dead ends: 343 [2019-11-28 02:41:49,270 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-11-28 02:41:49,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-11-28 02:41:49,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 194. [2019-11-28 02:41:49,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-28 02:41:49,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 217 transitions. [2019-11-28 02:41:49,279 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 217 transitions. Word has length 17 [2019-11-28 02:41:49,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:49,280 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 217 transitions. [2019-11-28 02:41:49,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 02:41:49,280 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 217 transitions. [2019-11-28 02:41:49,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 02:41:49,281 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:49,281 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:49,282 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:49,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:49,283 INFO L82 PathProgramCache]: Analyzing trace with hash -544499116, now seen corresponding path program 1 times [2019-11-28 02:41:49,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:49,283 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671248565] [2019-11-28 02:41:49,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:49,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:49,405 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671248565] [2019-11-28 02:41:49,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:49,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 02:41:49,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877804904] [2019-11-28 02:41:49,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 02:41:49,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:49,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 02:41:49,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:41:49,408 INFO L87 Difference]: Start difference. First operand 194 states and 217 transitions. Second operand 9 states. [2019-11-28 02:41:50,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:50,451 INFO L93 Difference]: Finished difference Result 340 states and 371 transitions. [2019-11-28 02:41:50,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 02:41:50,452 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2019-11-28 02:41:50,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:50,454 INFO L225 Difference]: With dead ends: 340 [2019-11-28 02:41:50,455 INFO L226 Difference]: Without dead ends: 340 [2019-11-28 02:41:50,455 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-11-28 02:41:50,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2019-11-28 02:41:50,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 193. [2019-11-28 02:41:50,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-11-28 02:41:50,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 216 transitions. [2019-11-28 02:41:50,462 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 216 transitions. Word has length 17 [2019-11-28 02:41:50,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:50,462 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 216 transitions. [2019-11-28 02:41:50,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 02:41:50,463 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 216 transitions. [2019-11-28 02:41:50,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 02:41:50,464 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:50,464 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:50,464 INFO L410 AbstractCegarLoop]: === Iteration 8 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:50,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:50,465 INFO L82 PathProgramCache]: Analyzing trace with hash -813972510, now seen corresponding path program 1 times [2019-11-28 02:41:50,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:50,465 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260085991] [2019-11-28 02:41:50,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:50,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:50,507 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260085991] [2019-11-28 02:41:50,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:50,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:41:50,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596826289] [2019-11-28 02:41:50,508 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:41:50,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:50,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:41:50,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:41:50,508 INFO L87 Difference]: Start difference. First operand 193 states and 216 transitions. Second operand 4 states. [2019-11-28 02:41:50,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:50,757 INFO L93 Difference]: Finished difference Result 194 states and 217 transitions. [2019-11-28 02:41:50,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:41:50,758 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-11-28 02:41:50,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:50,760 INFO L225 Difference]: With dead ends: 194 [2019-11-28 02:41:50,760 INFO L226 Difference]: Without dead ends: 194 [2019-11-28 02:41:50,761 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:41:50,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-11-28 02:41:50,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2019-11-28 02:41:50,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-28 02:41:50,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 217 transitions. [2019-11-28 02:41:50,766 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 217 transitions. Word has length 17 [2019-11-28 02:41:50,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:50,766 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 217 transitions. [2019-11-28 02:41:50,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:41:50,766 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 217 transitions. [2019-11-28 02:41:50,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 02:41:50,767 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:50,767 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:50,767 INFO L410 AbstractCegarLoop]: === Iteration 9 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:50,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:50,768 INFO L82 PathProgramCache]: Analyzing trace with hash -541898329, now seen corresponding path program 1 times [2019-11-28 02:41:50,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:50,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116087365] [2019-11-28 02:41:50,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:50,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:50,847 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116087365] [2019-11-28 02:41:50,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:50,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 02:41:50,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751951008] [2019-11-28 02:41:50,849 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 02:41:50,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:50,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 02:41:50,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-28 02:41:50,851 INFO L87 Difference]: Start difference. First operand 194 states and 217 transitions. Second operand 8 states. [2019-11-28 02:41:51,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:51,337 INFO L93 Difference]: Finished difference Result 286 states and 316 transitions. [2019-11-28 02:41:51,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 02:41:51,339 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2019-11-28 02:41:51,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:51,341 INFO L225 Difference]: With dead ends: 286 [2019-11-28 02:41:51,341 INFO L226 Difference]: Without dead ends: 286 [2019-11-28 02:41:51,342 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-11-28 02:41:51,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-11-28 02:41:51,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 191. [2019-11-28 02:41:51,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-11-28 02:41:51,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 214 transitions. [2019-11-28 02:41:51,347 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 214 transitions. Word has length 19 [2019-11-28 02:41:51,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:51,347 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 214 transitions. [2019-11-28 02:41:51,347 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 02:41:51,347 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 214 transitions. [2019-11-28 02:41:51,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-28 02:41:51,348 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:51,348 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:51,349 INFO L410 AbstractCegarLoop]: === Iteration 10 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:51,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:51,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1773118060, now seen corresponding path program 1 times [2019-11-28 02:41:51,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:51,350 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811807359] [2019-11-28 02:41:51,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:51,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:51,417 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811807359] [2019-11-28 02:41:51,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:51,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 02:41:51,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740087185] [2019-11-28 02:41:51,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:41:51,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:51,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:41:51,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:41:51,419 INFO L87 Difference]: Start difference. First operand 191 states and 214 transitions. Second operand 6 states. [2019-11-28 02:41:51,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:51,793 INFO L93 Difference]: Finished difference Result 287 states and 316 transitions. [2019-11-28 02:41:51,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:41:51,794 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2019-11-28 02:41:51,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:51,795 INFO L225 Difference]: With dead ends: 287 [2019-11-28 02:41:51,796 INFO L226 Difference]: Without dead ends: 287 [2019-11-28 02:41:51,796 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 02:41:51,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2019-11-28 02:41:51,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 194. [2019-11-28 02:41:51,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-28 02:41:51,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 217 transitions. [2019-11-28 02:41:51,803 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 217 transitions. Word has length 21 [2019-11-28 02:41:51,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:51,803 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 217 transitions. [2019-11-28 02:41:51,803 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:41:51,804 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 217 transitions. [2019-11-28 02:41:51,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 02:41:51,804 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:51,805 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:51,805 INFO L410 AbstractCegarLoop]: === Iteration 11 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:51,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:51,806 INFO L82 PathProgramCache]: Analyzing trace with hash -478888527, now seen corresponding path program 1 times [2019-11-28 02:41:51,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:51,806 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351318040] [2019-11-28 02:41:51,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:51,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:51,877 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351318040] [2019-11-28 02:41:51,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:51,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:41:51,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155130495] [2019-11-28 02:41:51,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:41:51,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:51,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:41:51,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:41:51,879 INFO L87 Difference]: Start difference. First operand 194 states and 217 transitions. Second operand 5 states. [2019-11-28 02:41:52,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:52,177 INFO L93 Difference]: Finished difference Result 190 states and 211 transitions. [2019-11-28 02:41:52,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:41:52,178 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-28 02:41:52,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:52,179 INFO L225 Difference]: With dead ends: 190 [2019-11-28 02:41:52,179 INFO L226 Difference]: Without dead ends: 190 [2019-11-28 02:41:52,180 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:41:52,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-11-28 02:41:52,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 185. [2019-11-28 02:41:52,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-11-28 02:41:52,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 208 transitions. [2019-11-28 02:41:52,185 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 208 transitions. Word has length 23 [2019-11-28 02:41:52,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:52,185 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 208 transitions. [2019-11-28 02:41:52,185 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:41:52,185 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 208 transitions. [2019-11-28 02:41:52,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 02:41:52,190 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:52,190 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:52,191 INFO L410 AbstractCegarLoop]: === Iteration 12 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:52,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:52,191 INFO L82 PathProgramCache]: Analyzing trace with hash -478888526, now seen corresponding path program 1 times [2019-11-28 02:41:52,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:52,193 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507111878] [2019-11-28 02:41:52,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:52,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:52,283 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507111878] [2019-11-28 02:41:52,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:52,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 02:41:52,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600355747] [2019-11-28 02:41:52,284 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 02:41:52,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:52,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 02:41:52,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:41:52,285 INFO L87 Difference]: Start difference. First operand 185 states and 208 transitions. Second operand 7 states. [2019-11-28 02:41:52,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:52,804 INFO L93 Difference]: Finished difference Result 245 states and 262 transitions. [2019-11-28 02:41:52,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 02:41:52,805 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2019-11-28 02:41:52,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:52,807 INFO L225 Difference]: With dead ends: 245 [2019-11-28 02:41:52,807 INFO L226 Difference]: Without dead ends: 245 [2019-11-28 02:41:52,808 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 02:41:52,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2019-11-28 02:41:52,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 208. [2019-11-28 02:41:52,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2019-11-28 02:41:52,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 246 transitions. [2019-11-28 02:41:52,815 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 246 transitions. Word has length 23 [2019-11-28 02:41:52,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:52,816 INFO L462 AbstractCegarLoop]: Abstraction has 208 states and 246 transitions. [2019-11-28 02:41:52,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 02:41:52,816 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 246 transitions. [2019-11-28 02:41:52,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 02:41:52,817 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:52,817 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:52,818 INFO L410 AbstractCegarLoop]: === Iteration 13 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:52,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:52,818 INFO L82 PathProgramCache]: Analyzing trace with hash -650325891, now seen corresponding path program 1 times [2019-11-28 02:41:52,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:52,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465155681] [2019-11-28 02:41:52,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:52,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:52,873 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465155681] [2019-11-28 02:41:52,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:52,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:41:52,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249736190] [2019-11-28 02:41:52,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 02:41:52,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:52,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 02:41:52,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:41:52,891 INFO L87 Difference]: Start difference. First operand 208 states and 246 transitions. Second operand 5 states. [2019-11-28 02:41:53,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:53,150 INFO L93 Difference]: Finished difference Result 240 states and 256 transitions. [2019-11-28 02:41:53,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:41:53,150 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-28 02:41:53,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:53,152 INFO L225 Difference]: With dead ends: 240 [2019-11-28 02:41:53,152 INFO L226 Difference]: Without dead ends: 240 [2019-11-28 02:41:53,153 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:41:53,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2019-11-28 02:41:53,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 206. [2019-11-28 02:41:53,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2019-11-28 02:41:53,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 243 transitions. [2019-11-28 02:41:53,158 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 243 transitions. Word has length 25 [2019-11-28 02:41:53,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:53,159 INFO L462 AbstractCegarLoop]: Abstraction has 206 states and 243 transitions. [2019-11-28 02:41:53,159 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 02:41:53,159 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 243 transitions. [2019-11-28 02:41:53,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 02:41:53,160 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:53,160 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:53,161 INFO L410 AbstractCegarLoop]: === Iteration 14 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:53,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:53,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1313315090, now seen corresponding path program 1 times [2019-11-28 02:41:53,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:53,162 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425629678] [2019-11-28 02:41:53,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:53,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:53,224 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425629678] [2019-11-28 02:41:53,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:53,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 02:41:53,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526522096] [2019-11-28 02:41:53,226 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 02:41:53,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:53,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 02:41:53,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:41:53,227 INFO L87 Difference]: Start difference. First operand 206 states and 243 transitions. Second operand 7 states. [2019-11-28 02:41:53,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:53,823 INFO L93 Difference]: Finished difference Result 302 states and 359 transitions. [2019-11-28 02:41:53,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 02:41:53,823 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2019-11-28 02:41:53,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:53,826 INFO L225 Difference]: With dead ends: 302 [2019-11-28 02:41:53,826 INFO L226 Difference]: Without dead ends: 302 [2019-11-28 02:41:53,826 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-11-28 02:41:53,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2019-11-28 02:41:53,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 205. [2019-11-28 02:41:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2019-11-28 02:41:53,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 242 transitions. [2019-11-28 02:41:53,832 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 242 transitions. Word has length 26 [2019-11-28 02:41:53,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:53,832 INFO L462 AbstractCegarLoop]: Abstraction has 205 states and 242 transitions. [2019-11-28 02:41:53,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 02:41:53,832 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 242 transitions. [2019-11-28 02:41:53,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 02:41:53,833 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:53,833 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:53,833 INFO L410 AbstractCegarLoop]: === Iteration 15 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:53,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:53,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1313315091, now seen corresponding path program 1 times [2019-11-28 02:41:53,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:53,834 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365514473] [2019-11-28 02:41:53,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:53,906 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365514473] [2019-11-28 02:41:53,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:53,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 02:41:53,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069478271] [2019-11-28 02:41:53,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 02:41:53,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:53,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 02:41:53,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:41:53,908 INFO L87 Difference]: Start difference. First operand 205 states and 242 transitions. Second operand 7 states. [2019-11-28 02:41:54,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:54,574 INFO L93 Difference]: Finished difference Result 322 states and 390 transitions. [2019-11-28 02:41:54,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 02:41:54,575 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2019-11-28 02:41:54,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:54,577 INFO L225 Difference]: With dead ends: 322 [2019-11-28 02:41:54,577 INFO L226 Difference]: Without dead ends: 322 [2019-11-28 02:41:54,577 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-11-28 02:41:54,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2019-11-28 02:41:54,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 192. [2019-11-28 02:41:54,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-11-28 02:41:54,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 228 transitions. [2019-11-28 02:41:54,584 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 228 transitions. Word has length 26 [2019-11-28 02:41:54,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:54,585 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 228 transitions. [2019-11-28 02:41:54,585 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 02:41:54,585 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 228 transitions. [2019-11-28 02:41:54,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 02:41:54,586 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:54,586 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:54,587 INFO L410 AbstractCegarLoop]: === Iteration 16 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:54,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:54,587 INFO L82 PathProgramCache]: Analyzing trace with hash -624581038, now seen corresponding path program 1 times [2019-11-28 02:41:54,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:54,588 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519537835] [2019-11-28 02:41:54,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:54,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:54,666 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519537835] [2019-11-28 02:41:54,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:54,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 02:41:54,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012860366] [2019-11-28 02:41:54,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 02:41:54,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:54,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 02:41:54,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:41:54,673 INFO L87 Difference]: Start difference. First operand 192 states and 228 transitions. Second operand 7 states. [2019-11-28 02:41:55,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:55,139 INFO L93 Difference]: Finished difference Result 318 states and 386 transitions. [2019-11-28 02:41:55,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 02:41:55,139 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2019-11-28 02:41:55,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:55,141 INFO L225 Difference]: With dead ends: 318 [2019-11-28 02:41:55,141 INFO L226 Difference]: Without dead ends: 318 [2019-11-28 02:41:55,141 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-11-28 02:41:55,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2019-11-28 02:41:55,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 188. [2019-11-28 02:41:55,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-11-28 02:41:55,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 224 transitions. [2019-11-28 02:41:55,147 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 224 transitions. Word has length 28 [2019-11-28 02:41:55,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:55,147 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 224 transitions. [2019-11-28 02:41:55,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 02:41:55,147 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 224 transitions. [2019-11-28 02:41:55,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-28 02:41:55,148 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:55,148 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:55,148 INFO L410 AbstractCegarLoop]: === Iteration 17 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:55,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:55,149 INFO L82 PathProgramCache]: Analyzing trace with hash 2137713641, now seen corresponding path program 1 times [2019-11-28 02:41:55,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:55,149 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120189449] [2019-11-28 02:41:55,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:55,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:55,181 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120189449] [2019-11-28 02:41:55,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:55,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:41:55,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863839832] [2019-11-28 02:41:55,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:41:55,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:55,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:41:55,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:41:55,183 INFO L87 Difference]: Start difference. First operand 188 states and 224 transitions. Second operand 4 states. [2019-11-28 02:41:55,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:55,393 INFO L93 Difference]: Finished difference Result 261 states and 312 transitions. [2019-11-28 02:41:55,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:41:55,394 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-28 02:41:55,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:55,395 INFO L225 Difference]: With dead ends: 261 [2019-11-28 02:41:55,395 INFO L226 Difference]: Without dead ends: 261 [2019-11-28 02:41:55,396 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:41:55,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2019-11-28 02:41:55,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 194. [2019-11-28 02:41:55,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-28 02:41:55,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 232 transitions. [2019-11-28 02:41:55,400 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 232 transitions. Word has length 31 [2019-11-28 02:41:55,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:55,401 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 232 transitions. [2019-11-28 02:41:55,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:41:55,401 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 232 transitions. [2019-11-28 02:41:55,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 02:41:55,402 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:55,402 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:55,402 INFO L410 AbstractCegarLoop]: === Iteration 18 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:55,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:55,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1844592136, now seen corresponding path program 1 times [2019-11-28 02:41:55,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:55,403 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595353578] [2019-11-28 02:41:55,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:55,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:55,442 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595353578] [2019-11-28 02:41:55,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:55,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:41:55,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079974009] [2019-11-28 02:41:55,442 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:41:55,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:55,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:41:55,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:41:55,443 INFO L87 Difference]: Start difference. First operand 194 states and 232 transitions. Second operand 4 states. [2019-11-28 02:41:55,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:55,688 INFO L93 Difference]: Finished difference Result 192 states and 229 transitions. [2019-11-28 02:41:55,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:41:55,688 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-11-28 02:41:55,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:55,690 INFO L225 Difference]: With dead ends: 192 [2019-11-28 02:41:55,690 INFO L226 Difference]: Without dead ends: 192 [2019-11-28 02:41:55,691 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:41:55,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-11-28 02:41:55,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2019-11-28 02:41:55,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-11-28 02:41:55,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 229 transitions. [2019-11-28 02:41:55,695 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 229 transitions. Word has length 32 [2019-11-28 02:41:55,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:55,695 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 229 transitions. [2019-11-28 02:41:55,695 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:41:55,696 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 229 transitions. [2019-11-28 02:41:55,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 02:41:55,696 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:55,696 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:55,697 INFO L410 AbstractCegarLoop]: === Iteration 19 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:55,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:55,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1347785694, now seen corresponding path program 1 times [2019-11-28 02:41:55,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:55,697 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021476531] [2019-11-28 02:41:55,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:55,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:55,837 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021476531] [2019-11-28 02:41:55,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:55,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-28 02:41:55,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182514548] [2019-11-28 02:41:55,838 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 02:41:55,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:55,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 02:41:55,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:41:55,839 INFO L87 Difference]: Start difference. First operand 192 states and 229 transitions. Second operand 9 states. [2019-11-28 02:41:56,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:56,461 INFO L93 Difference]: Finished difference Result 300 states and 346 transitions. [2019-11-28 02:41:56,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 02:41:56,462 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2019-11-28 02:41:56,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:56,464 INFO L225 Difference]: With dead ends: 300 [2019-11-28 02:41:56,464 INFO L226 Difference]: Without dead ends: 300 [2019-11-28 02:41:56,465 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2019-11-28 02:41:56,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2019-11-28 02:41:56,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 204. [2019-11-28 02:41:56,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-11-28 02:41:56,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 242 transitions. [2019-11-28 02:41:56,470 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 242 transitions. Word has length 33 [2019-11-28 02:41:56,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:56,471 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 242 transitions. [2019-11-28 02:41:56,471 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 02:41:56,471 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 242 transitions. [2019-11-28 02:41:56,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 02:41:56,471 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:56,472 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:56,472 INFO L410 AbstractCegarLoop]: === Iteration 20 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:56,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:56,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1096505391, now seen corresponding path program 1 times [2019-11-28 02:41:56,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:56,473 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974681337] [2019-11-28 02:41:56,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:56,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:56,569 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974681337] [2019-11-28 02:41:56,569 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476281418] [2019-11-28 02:41:56,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:41:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:56,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-28 02:41:56,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:41:56,759 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-28 02:41:56,760 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:41:56,768 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:41:56,771 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-28 02:41:56,771 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:41:56,785 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:41:56,785 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:41:56,786 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:21 [2019-11-28 02:41:56,821 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:41:56,824 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2019-11-28 02:41:56,826 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:41:56,836 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:41:56,842 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:41:56,845 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2019-11-28 02:41:56,845 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:41:56,855 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:41:56,855 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:41:56,855 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:39 [2019-11-28 02:41:56,922 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:41:56,923 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2019-11-28 02:41:56,923 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:41:56,933 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:41:56,936 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:41:56,937 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:41:56,938 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2019-11-28 02:41:56,938 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:41:56,945 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:41:56,947 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:41:56,947 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:53, output treesize:7 [2019-11-28 02:41:56,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:56,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:41:56,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 11 [2019-11-28 02:41:56,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923754329] [2019-11-28 02:41:56,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 02:41:56,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:56,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 02:41:56,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-11-28 02:41:56,957 INFO L87 Difference]: Start difference. First operand 204 states and 242 transitions. Second operand 11 states. [2019-11-28 02:41:57,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:57,715 INFO L93 Difference]: Finished difference Result 350 states and 387 transitions. [2019-11-28 02:41:57,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-28 02:41:57,715 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 35 [2019-11-28 02:41:57,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:57,717 INFO L225 Difference]: With dead ends: 350 [2019-11-28 02:41:57,717 INFO L226 Difference]: Without dead ends: 350 [2019-11-28 02:41:57,718 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2019-11-28 02:41:57,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-11-28 02:41:57,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 235. [2019-11-28 02:41:57,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2019-11-28 02:41:57,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 289 transitions. [2019-11-28 02:41:57,729 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 289 transitions. Word has length 35 [2019-11-28 02:41:57,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:57,730 INFO L462 AbstractCegarLoop]: Abstraction has 235 states and 289 transitions. [2019-11-28 02:41:57,730 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 02:41:57,730 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 289 transitions. [2019-11-28 02:41:57,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 02:41:57,730 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:57,730 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:57,935 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:41:57,943 INFO L410 AbstractCegarLoop]: === Iteration 21 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:57,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:57,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1910741558, now seen corresponding path program 1 times [2019-11-28 02:41:57,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:57,944 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118604025] [2019-11-28 02:41:57,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:58,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:58,006 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118604025] [2019-11-28 02:41:58,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:58,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:41:58,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481495414] [2019-11-28 02:41:58,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:41:58,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:58,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:41:58,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:41:58,008 INFO L87 Difference]: Start difference. First operand 235 states and 289 transitions. Second operand 6 states. [2019-11-28 02:41:58,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:58,499 INFO L93 Difference]: Finished difference Result 357 states and 435 transitions. [2019-11-28 02:41:58,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:41:58,500 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-28 02:41:58,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:58,503 INFO L225 Difference]: With dead ends: 357 [2019-11-28 02:41:58,503 INFO L226 Difference]: Without dead ends: 357 [2019-11-28 02:41:58,504 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:41:58,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2019-11-28 02:41:58,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 234. [2019-11-28 02:41:58,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-11-28 02:41:58,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 288 transitions. [2019-11-28 02:41:58,509 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 288 transitions. Word has length 35 [2019-11-28 02:41:58,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:58,510 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 288 transitions. [2019-11-28 02:41:58,510 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:41:58,510 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 288 transitions. [2019-11-28 02:41:58,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 02:41:58,510 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:58,511 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:58,511 INFO L410 AbstractCegarLoop]: === Iteration 22 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:58,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:58,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1910741559, now seen corresponding path program 1 times [2019-11-28 02:41:58,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:58,512 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702016053] [2019-11-28 02:41:58,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:58,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:58,580 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702016053] [2019-11-28 02:41:58,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:58,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 02:41:58,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077472164] [2019-11-28 02:41:58,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 02:41:58,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:58,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 02:41:58,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 02:41:58,582 INFO L87 Difference]: Start difference. First operand 234 states and 288 transitions. Second operand 6 states. [2019-11-28 02:41:59,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:41:59,152 INFO L93 Difference]: Finished difference Result 384 states and 473 transitions. [2019-11-28 02:41:59,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:41:59,155 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-28 02:41:59,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:41:59,157 INFO L225 Difference]: With dead ends: 384 [2019-11-28 02:41:59,157 INFO L226 Difference]: Without dead ends: 384 [2019-11-28 02:41:59,158 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:41:59,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2019-11-28 02:41:59,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 233. [2019-11-28 02:41:59,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-11-28 02:41:59,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 287 transitions. [2019-11-28 02:41:59,165 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 287 transitions. Word has length 35 [2019-11-28 02:41:59,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:41:59,165 INFO L462 AbstractCegarLoop]: Abstraction has 233 states and 287 transitions. [2019-11-28 02:41:59,166 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 02:41:59,166 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 287 transitions. [2019-11-28 02:41:59,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 02:41:59,166 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:41:59,166 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:41:59,167 INFO L410 AbstractCegarLoop]: === Iteration 23 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:41:59,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:41:59,167 INFO L82 PathProgramCache]: Analyzing trace with hash -614093230, now seen corresponding path program 1 times [2019-11-28 02:41:59,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:41:59,167 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080661780] [2019-11-28 02:41:59,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:41:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:41:59,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:41:59,300 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080661780] [2019-11-28 02:41:59,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:41:59,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-28 02:41:59,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379454277] [2019-11-28 02:41:59,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 02:41:59,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:41:59,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 02:41:59,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-11-28 02:41:59,301 INFO L87 Difference]: Start difference. First operand 233 states and 287 transitions. Second operand 12 states. [2019-11-28 02:42:00,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:42:00,337 INFO L93 Difference]: Finished difference Result 468 states and 533 transitions. [2019-11-28 02:42:00,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-28 02:42:00,338 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2019-11-28 02:42:00,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:42:00,342 INFO L225 Difference]: With dead ends: 468 [2019-11-28 02:42:00,342 INFO L226 Difference]: Without dead ends: 468 [2019-11-28 02:42:00,343 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2019-11-28 02:42:00,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2019-11-28 02:42:00,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 234. [2019-11-28 02:42:00,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-11-28 02:42:00,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 285 transitions. [2019-11-28 02:42:00,352 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 285 transitions. Word has length 37 [2019-11-28 02:42:00,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:42:00,353 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 285 transitions. [2019-11-28 02:42:00,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 02:42:00,353 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 285 transitions. [2019-11-28 02:42:00,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 02:42:00,354 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:42:00,354 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:42:00,354 INFO L410 AbstractCegarLoop]: === Iteration 24 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:42:00,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:42:00,355 INFO L82 PathProgramCache]: Analyzing trace with hash -614093229, now seen corresponding path program 1 times [2019-11-28 02:42:00,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:42:00,356 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811463129] [2019-11-28 02:42:00,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:42:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:00,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:42:00,587 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811463129] [2019-11-28 02:42:00,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:42:00,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-28 02:42:00,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019468392] [2019-11-28 02:42:00,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-28 02:42:00,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:42:00,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-28 02:42:00,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-11-28 02:42:00,590 INFO L87 Difference]: Start difference. First operand 234 states and 285 transitions. Second operand 13 states. [2019-11-28 02:42:02,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:42:02,248 INFO L93 Difference]: Finished difference Result 526 states and 592 transitions. [2019-11-28 02:42:02,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-28 02:42:02,248 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2019-11-28 02:42:02,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:42:02,251 INFO L225 Difference]: With dead ends: 526 [2019-11-28 02:42:02,252 INFO L226 Difference]: Without dead ends: 526 [2019-11-28 02:42:02,252 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2019-11-28 02:42:02,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2019-11-28 02:42:02,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 240. [2019-11-28 02:42:02,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2019-11-28 02:42:02,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 292 transitions. [2019-11-28 02:42:02,259 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 292 transitions. Word has length 37 [2019-11-28 02:42:02,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:42:02,260 INFO L462 AbstractCegarLoop]: Abstraction has 240 states and 292 transitions. [2019-11-28 02:42:02,260 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-28 02:42:02,260 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 292 transitions. [2019-11-28 02:42:02,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 02:42:02,261 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:42:02,261 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:42:02,261 INFO L410 AbstractCegarLoop]: === Iteration 25 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:42:02,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:42:02,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1700305643, now seen corresponding path program 1 times [2019-11-28 02:42:02,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:42:02,262 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676396003] [2019-11-28 02:42:02,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:42:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:02,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:42:02,355 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676396003] [2019-11-28 02:42:02,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:42:02,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 02:42:02,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998384298] [2019-11-28 02:42:02,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 02:42:02,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:42:02,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 02:42:02,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:42:02,357 INFO L87 Difference]: Start difference. First operand 240 states and 292 transitions. Second operand 9 states. [2019-11-28 02:42:02,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:42:02,941 INFO L93 Difference]: Finished difference Result 255 states and 309 transitions. [2019-11-28 02:42:02,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 02:42:02,942 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2019-11-28 02:42:02,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:42:02,944 INFO L225 Difference]: With dead ends: 255 [2019-11-28 02:42:02,944 INFO L226 Difference]: Without dead ends: 255 [2019-11-28 02:42:02,944 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-11-28 02:42:02,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2019-11-28 02:42:02,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 239. [2019-11-28 02:42:02,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2019-11-28 02:42:02,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 291 transitions. [2019-11-28 02:42:02,950 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 291 transitions. Word has length 38 [2019-11-28 02:42:02,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:42:02,951 INFO L462 AbstractCegarLoop]: Abstraction has 239 states and 291 transitions. [2019-11-28 02:42:02,951 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 02:42:02,951 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 291 transitions. [2019-11-28 02:42:02,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 02:42:02,952 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:42:02,952 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:42:02,953 INFO L410 AbstractCegarLoop]: === Iteration 26 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:42:02,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:42:02,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1700305644, now seen corresponding path program 1 times [2019-11-28 02:42:02,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:42:02,953 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69133403] [2019-11-28 02:42:02,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:42:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:03,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:42:03,054 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69133403] [2019-11-28 02:42:03,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:42:03,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 02:42:03,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042534320] [2019-11-28 02:42:03,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 02:42:03,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:42:03,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 02:42:03,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-28 02:42:03,055 INFO L87 Difference]: Start difference. First operand 239 states and 291 transitions. Second operand 9 states. [2019-11-28 02:42:03,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:42:03,714 INFO L93 Difference]: Finished difference Result 254 states and 308 transitions. [2019-11-28 02:42:03,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 02:42:03,715 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2019-11-28 02:42:03,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:42:03,716 INFO L225 Difference]: With dead ends: 254 [2019-11-28 02:42:03,716 INFO L226 Difference]: Without dead ends: 254 [2019-11-28 02:42:03,717 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-11-28 02:42:03,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-11-28 02:42:03,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 238. [2019-11-28 02:42:03,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-11-28 02:42:03,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 290 transitions. [2019-11-28 02:42:03,722 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 290 transitions. Word has length 38 [2019-11-28 02:42:03,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:42:03,722 INFO L462 AbstractCegarLoop]: Abstraction has 238 states and 290 transitions. [2019-11-28 02:42:03,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 02:42:03,722 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 290 transitions. [2019-11-28 02:42:03,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 02:42:03,723 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:42:03,723 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:42:03,723 INFO L410 AbstractCegarLoop]: === Iteration 27 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:42:03,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:42:03,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1430832249, now seen corresponding path program 1 times [2019-11-28 02:42:03,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:42:03,724 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122547765] [2019-11-28 02:42:03,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:42:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:03,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:42:03,772 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122547765] [2019-11-28 02:42:03,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:42:03,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:42:03,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785160101] [2019-11-28 02:42:03,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:42:03,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:42:03,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:42:03,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:42:03,774 INFO L87 Difference]: Start difference. First operand 238 states and 290 transitions. Second operand 4 states. [2019-11-28 02:42:03,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:42:03,977 INFO L93 Difference]: Finished difference Result 239 states and 291 transitions. [2019-11-28 02:42:03,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:42:03,978 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2019-11-28 02:42:03,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:42:03,979 INFO L225 Difference]: With dead ends: 239 [2019-11-28 02:42:03,979 INFO L226 Difference]: Without dead ends: 239 [2019-11-28 02:42:03,980 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:42:03,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2019-11-28 02:42:03,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2019-11-28 02:42:03,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2019-11-28 02:42:03,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 291 transitions. [2019-11-28 02:42:03,984 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 291 transitions. Word has length 38 [2019-11-28 02:42:03,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:42:03,984 INFO L462 AbstractCegarLoop]: Abstraction has 239 states and 291 transitions. [2019-11-28 02:42:03,984 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:42:03,985 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 291 transitions. [2019-11-28 02:42:03,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-28 02:42:03,985 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:42:03,985 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:42:03,986 INFO L410 AbstractCegarLoop]: === Iteration 28 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:42:03,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:42:03,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1733066830, now seen corresponding path program 1 times [2019-11-28 02:42:03,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:42:03,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390724629] [2019-11-28 02:42:03,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:42:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:04,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:42:04,475 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390724629] [2019-11-28 02:42:04,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:42:04,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-11-28 02:42:04,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061562125] [2019-11-28 02:42:04,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-28 02:42:04,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:42:04,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-28 02:42:04,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-11-28 02:42:04,477 INFO L87 Difference]: Start difference. First operand 239 states and 291 transitions. Second operand 15 states. [2019-11-28 02:42:05,855 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2019-11-28 02:42:06,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:42:06,727 INFO L93 Difference]: Finished difference Result 533 states and 592 transitions. [2019-11-28 02:42:06,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-28 02:42:06,727 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 39 [2019-11-28 02:42:06,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:42:06,730 INFO L225 Difference]: With dead ends: 533 [2019-11-28 02:42:06,730 INFO L226 Difference]: Without dead ends: 533 [2019-11-28 02:42:06,731 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=197, Invalid=673, Unknown=0, NotChecked=0, Total=870 [2019-11-28 02:42:06,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2019-11-28 02:42:06,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 239. [2019-11-28 02:42:06,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2019-11-28 02:42:06,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 290 transitions. [2019-11-28 02:42:06,737 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 290 transitions. Word has length 39 [2019-11-28 02:42:06,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:42:06,738 INFO L462 AbstractCegarLoop]: Abstraction has 239 states and 290 transitions. [2019-11-28 02:42:06,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-28 02:42:06,738 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 290 transitions. [2019-11-28 02:42:06,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-28 02:42:06,739 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:42:06,739 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:42:06,739 INFO L410 AbstractCegarLoop]: === Iteration 29 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:42:06,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:42:06,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1579106443, now seen corresponding path program 1 times [2019-11-28 02:42:06,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:42:06,740 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308720540] [2019-11-28 02:42:06,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:42:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:06,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 02:42:06,835 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308720540] [2019-11-28 02:42:06,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:42:06,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 02:42:06,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686664869] [2019-11-28 02:42:06,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 02:42:06,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:42:06,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 02:42:06,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-28 02:42:06,837 INFO L87 Difference]: Start difference. First operand 239 states and 290 transitions. Second operand 8 states. [2019-11-28 02:42:07,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:42:07,217 INFO L93 Difference]: Finished difference Result 255 states and 306 transitions. [2019-11-28 02:42:07,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 02:42:07,218 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2019-11-28 02:42:07,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:42:07,220 INFO L225 Difference]: With dead ends: 255 [2019-11-28 02:42:07,220 INFO L226 Difference]: Without dead ends: 255 [2019-11-28 02:42:07,220 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-11-28 02:42:07,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2019-11-28 02:42:07,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 248. [2019-11-28 02:42:07,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2019-11-28 02:42:07,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 299 transitions. [2019-11-28 02:42:07,225 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 299 transitions. Word has length 40 [2019-11-28 02:42:07,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:42:07,226 INFO L462 AbstractCegarLoop]: Abstraction has 248 states and 299 transitions. [2019-11-28 02:42:07,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 02:42:07,226 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 299 transitions. [2019-11-28 02:42:07,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-28 02:42:07,227 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:42:07,227 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:42:07,227 INFO L410 AbstractCegarLoop]: === Iteration 30 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:42:07,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:42:07,228 INFO L82 PathProgramCache]: Analyzing trace with hash 641896126, now seen corresponding path program 1 times [2019-11-28 02:42:07,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:42:07,228 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241694938] [2019-11-28 02:42:07,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:42:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:07,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:42:07,323 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241694938] [2019-11-28 02:42:07,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:42:07,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 02:42:07,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361858957] [2019-11-28 02:42:07,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 02:42:07,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:42:07,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 02:42:07,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-28 02:42:07,325 INFO L87 Difference]: Start difference. First operand 248 states and 299 transitions. Second operand 8 states. [2019-11-28 02:42:07,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:42:07,684 INFO L93 Difference]: Finished difference Result 257 states and 310 transitions. [2019-11-28 02:42:07,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 02:42:07,684 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2019-11-28 02:42:07,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:42:07,686 INFO L225 Difference]: With dead ends: 257 [2019-11-28 02:42:07,686 INFO L226 Difference]: Without dead ends: 257 [2019-11-28 02:42:07,687 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-11-28 02:42:07,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2019-11-28 02:42:07,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 245. [2019-11-28 02:42:07,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2019-11-28 02:42:07,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 296 transitions. [2019-11-28 02:42:07,693 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 296 transitions. Word has length 40 [2019-11-28 02:42:07,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:42:07,693 INFO L462 AbstractCegarLoop]: Abstraction has 245 states and 296 transitions. [2019-11-28 02:42:07,693 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 02:42:07,693 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 296 transitions. [2019-11-28 02:42:07,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-28 02:42:07,694 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:42:07,694 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:42:07,694 INFO L410 AbstractCegarLoop]: === Iteration 31 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:42:07,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:42:07,695 INFO L82 PathProgramCache]: Analyzing trace with hash 12117480, now seen corresponding path program 1 times [2019-11-28 02:42:07,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:42:07,695 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017156296] [2019-11-28 02:42:07,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:42:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:08,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:42:08,030 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017156296] [2019-11-28 02:42:08,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:42:08,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-11-28 02:42:08,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720713211] [2019-11-28 02:42:08,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-28 02:42:08,031 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:42:08,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-28 02:42:08,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-11-28 02:42:08,032 INFO L87 Difference]: Start difference. First operand 245 states and 296 transitions. Second operand 16 states. [2019-11-28 02:42:09,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:42:09,733 INFO L93 Difference]: Finished difference Result 525 states and 591 transitions. [2019-11-28 02:42:09,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-28 02:42:09,733 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 42 [2019-11-28 02:42:09,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:42:09,736 INFO L225 Difference]: With dead ends: 525 [2019-11-28 02:42:09,736 INFO L226 Difference]: Without dead ends: 525 [2019-11-28 02:42:09,736 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=199, Invalid=731, Unknown=0, NotChecked=0, Total=930 [2019-11-28 02:42:09,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2019-11-28 02:42:09,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 245. [2019-11-28 02:42:09,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2019-11-28 02:42:09,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 295 transitions. [2019-11-28 02:42:09,742 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 295 transitions. Word has length 42 [2019-11-28 02:42:09,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:42:09,742 INFO L462 AbstractCegarLoop]: Abstraction has 245 states and 295 transitions. [2019-11-28 02:42:09,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-28 02:42:09,743 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 295 transitions. [2019-11-28 02:42:09,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-28 02:42:09,744 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:42:09,744 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:42:09,744 INFO L410 AbstractCegarLoop]: === Iteration 32 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:42:09,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:42:09,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1334961542, now seen corresponding path program 1 times [2019-11-28 02:42:09,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:42:09,745 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441078831] [2019-11-28 02:42:09,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:42:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:09,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 02:42:09,794 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441078831] [2019-11-28 02:42:09,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:42:09,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 02:42:09,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564034673] [2019-11-28 02:42:09,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:42:09,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:42:09,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:42:09,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:42:09,796 INFO L87 Difference]: Start difference. First operand 245 states and 295 transitions. Second operand 4 states. [2019-11-28 02:42:09,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:42:09,996 INFO L93 Difference]: Finished difference Result 258 states and 299 transitions. [2019-11-28 02:42:09,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:42:09,996 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2019-11-28 02:42:09,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:42:09,998 INFO L225 Difference]: With dead ends: 258 [2019-11-28 02:42:09,998 INFO L226 Difference]: Without dead ends: 258 [2019-11-28 02:42:09,998 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:42:09,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2019-11-28 02:42:10,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 246. [2019-11-28 02:42:10,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-11-28 02:42:10,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 296 transitions. [2019-11-28 02:42:10,003 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 296 transitions. Word has length 42 [2019-11-28 02:42:10,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:42:10,004 INFO L462 AbstractCegarLoop]: Abstraction has 246 states and 296 transitions. [2019-11-28 02:42:10,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:42:10,004 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 296 transitions. [2019-11-28 02:42:10,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-28 02:42:10,005 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:42:10,005 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:42:10,006 INFO L410 AbstractCegarLoop]: === Iteration 33 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:42:10,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:42:10,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1969732225, now seen corresponding path program 1 times [2019-11-28 02:42:10,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:42:10,006 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292434869] [2019-11-28 02:42:10,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:42:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:10,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 02:42:10,055 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292434869] [2019-11-28 02:42:10,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:42:10,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:42:10,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997871116] [2019-11-28 02:42:10,056 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:42:10,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:42:10,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:42:10,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:42:10,056 INFO L87 Difference]: Start difference. First operand 246 states and 296 transitions. Second operand 4 states. [2019-11-28 02:42:10,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:42:10,260 INFO L93 Difference]: Finished difference Result 247 states and 296 transitions. [2019-11-28 02:42:10,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:42:10,261 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2019-11-28 02:42:10,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:42:10,262 INFO L225 Difference]: With dead ends: 247 [2019-11-28 02:42:10,262 INFO L226 Difference]: Without dead ends: 247 [2019-11-28 02:42:10,263 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:42:10,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-11-28 02:42:10,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2019-11-28 02:42:10,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2019-11-28 02:42:10,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 293 transitions. [2019-11-28 02:42:10,267 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 293 transitions. Word has length 44 [2019-11-28 02:42:10,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:42:10,267 INFO L462 AbstractCegarLoop]: Abstraction has 244 states and 293 transitions. [2019-11-28 02:42:10,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:42:10,268 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 293 transitions. [2019-11-28 02:42:10,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-28 02:42:10,268 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:42:10,269 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:42:10,269 INFO L410 AbstractCegarLoop]: === Iteration 34 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:42:10,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:42:10,270 INFO L82 PathProgramCache]: Analyzing trace with hash 932161271, now seen corresponding path program 1 times [2019-11-28 02:42:10,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:42:10,270 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185816969] [2019-11-28 02:42:10,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:42:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:10,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 02:42:10,393 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185816969] [2019-11-28 02:42:10,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:42:10,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-28 02:42:10,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437656923] [2019-11-28 02:42:10,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-28 02:42:10,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:42:10,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-28 02:42:10,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-28 02:42:10,394 INFO L87 Difference]: Start difference. First operand 244 states and 293 transitions. Second operand 11 states. [2019-11-28 02:42:11,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:42:11,301 INFO L93 Difference]: Finished difference Result 432 states and 495 transitions. [2019-11-28 02:42:11,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-28 02:42:11,302 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 45 [2019-11-28 02:42:11,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:42:11,304 INFO L225 Difference]: With dead ends: 432 [2019-11-28 02:42:11,304 INFO L226 Difference]: Without dead ends: 432 [2019-11-28 02:42:11,305 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2019-11-28 02:42:11,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2019-11-28 02:42:11,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 251. [2019-11-28 02:42:11,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2019-11-28 02:42:11,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 302 transitions. [2019-11-28 02:42:11,310 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 302 transitions. Word has length 45 [2019-11-28 02:42:11,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:42:11,310 INFO L462 AbstractCegarLoop]: Abstraction has 251 states and 302 transitions. [2019-11-28 02:42:11,310 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-28 02:42:11,310 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 302 transitions. [2019-11-28 02:42:11,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-28 02:42:11,311 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:42:11,311 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:42:11,312 INFO L410 AbstractCegarLoop]: === Iteration 35 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:42:11,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:42:11,312 INFO L82 PathProgramCache]: Analyzing trace with hash 932161272, now seen corresponding path program 1 times [2019-11-28 02:42:11,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:42:11,313 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645686254] [2019-11-28 02:42:11,313 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:42:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:11,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 02:42:11,530 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645686254] [2019-11-28 02:42:11,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:42:11,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-28 02:42:11,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107466147] [2019-11-28 02:42:11,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 02:42:11,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:42:11,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 02:42:11,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-11-28 02:42:11,532 INFO L87 Difference]: Start difference. First operand 251 states and 302 transitions. Second operand 12 states. [2019-11-28 02:42:12,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:42:12,516 INFO L93 Difference]: Finished difference Result 434 states and 497 transitions. [2019-11-28 02:42:12,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 02:42:12,516 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 45 [2019-11-28 02:42:12,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:42:12,519 INFO L225 Difference]: With dead ends: 434 [2019-11-28 02:42:12,519 INFO L226 Difference]: Without dead ends: 434 [2019-11-28 02:42:12,520 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2019-11-28 02:42:12,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2019-11-28 02:42:12,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 257. [2019-11-28 02:42:12,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2019-11-28 02:42:12,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 309 transitions. [2019-11-28 02:42:12,524 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 309 transitions. Word has length 45 [2019-11-28 02:42:12,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:42:12,525 INFO L462 AbstractCegarLoop]: Abstraction has 257 states and 309 transitions. [2019-11-28 02:42:12,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 02:42:12,525 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 309 transitions. [2019-11-28 02:42:12,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-28 02:42:12,526 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:42:12,526 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:42:12,527 INFO L410 AbstractCegarLoop]: === Iteration 36 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:42:12,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:42:12,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1558321305, now seen corresponding path program 1 times [2019-11-28 02:42:12,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:42:12,528 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436793225] [2019-11-28 02:42:12,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:42:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:12,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:42:12,670 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436793225] [2019-11-28 02:42:12,671 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373190261] [2019-11-28 02:42:12,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:42:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:42:12,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 33 conjunts are in the unsatisfiable core [2019-11-28 02:42:12,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:42:12,822 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-11-28 02:42:12,822 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:42:12,828 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:42:12,831 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-11-28 02:42:12,832 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 02:42:12,836 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:42:12,836 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:42:12,836 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:22 [2019-11-28 02:42:13,040 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:42:13,041 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:42:13,045 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:42:13,046 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 18 [2019-11-28 02:42:13,046 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-11-28 02:42:13,059 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:42:13,064 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:42:13,066 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 02:42:13,069 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:42:13,070 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 18 [2019-11-28 02:42:13,070 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-11-28 02:42:13,082 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:42:13,083 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:42:13,083 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:42:13,087 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:42:13,089 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-11-28 02:42:13,089 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:53, output treesize:37 [2019-11-28 02:42:13,157 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 02:42:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:42:13,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 02:42:13,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 18 [2019-11-28 02:42:13,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31279888] [2019-11-28 02:42:13,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-28 02:42:13,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:42:13,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-28 02:42:13,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2019-11-28 02:42:13,170 INFO L87 Difference]: Start difference. First operand 257 states and 309 transitions. Second operand 18 states. [2019-11-28 02:42:15,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:42:15,418 INFO L93 Difference]: Finished difference Result 595 states and 646 transitions. [2019-11-28 02:42:15,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-11-28 02:42:15,419 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 45 [2019-11-28 02:42:15,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:42:15,422 INFO L225 Difference]: With dead ends: 595 [2019-11-28 02:42:15,422 INFO L226 Difference]: Without dead ends: 595 [2019-11-28 02:42:15,423 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=240, Invalid=1242, Unknown=0, NotChecked=0, Total=1482 [2019-11-28 02:42:15,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2019-11-28 02:42:15,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 281. [2019-11-28 02:42:15,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2019-11-28 02:42:15,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 343 transitions. [2019-11-28 02:42:15,428 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 343 transitions. Word has length 45 [2019-11-28 02:42:15,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:42:15,428 INFO L462 AbstractCegarLoop]: Abstraction has 281 states and 343 transitions. [2019-11-28 02:42:15,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-28 02:42:15,429 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 343 transitions. [2019-11-28 02:42:15,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-28 02:42:15,429 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:42:15,429 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:42:15,640 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 02:42:15,641 INFO L410 AbstractCegarLoop]: === Iteration 37 === [mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr48ASSERT_VIOLATIONMEMORY_LEAK, mainErr28REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr49REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr68REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_LEAK, mainErr47REQUIRES_VIOLATION, mainErr66REQUIRES_VIOLATION, mainErr43REQUIRES_VIOLATION, mainErr70ASSERT_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr40REQUIRES_VIOLATION, mainErr73ASSERT_VIOLATIONMEMORY_FREE, mainErr63REQUIRES_VIOLATION, mainErr61REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_LEAK, mainErr44ASSERT_VIOLATIONMEMORY_LEAK, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr57REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr34REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr53REQUIRES_VIOLATION, mainErr55REQUIRES_VIOLATION, mainErr74REQUIRES_VIOLATION, mainErr72ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr50REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_LEAK, mainErr31REQUIRES_VIOLATION, mainErr52REQUIRES_VIOLATION, mainErr59ASSERT_VIOLATIONMEMORY_LEAK, mainErr77ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr45ASSERT_VIOLATIONMEMORY_LEAK, mainErr69REQUIRES_VIOLATION, mainErr64ASSERT_VIOLATIONMEMORY_LEAK, mainErr76ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr46REQUIRES_VIOLATION, mainErr65REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr42REQUIRES_VIOLATION, mainErr51ASSERT_VIOLATIONMEMORY_LEAK, mainErr23REQUIRES_VIOLATION, mainErr62REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr41REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr78ASSERT_VIOLATIONMEMORY_FREE, mainErr71ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr60REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr58REQUIRES_VIOLATION, mainErr35REQUIRES_VIOLATION, mainErr67ASSERT_VIOLATIONMEMORY_LEAK, mainErr14REQUIRES_VIOLATION, mainErr56REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr79ENSURES_VIOLATIONMEMORY_LEAK, mainErr12REQUIRES_VIOLATION, mainErr54ASSERT_VIOLATIONMEMORY_LEAK, mainErr33REQUIRES_VIOLATION, mainErr75REQUIRES_VIOLATION]=== [2019-11-28 02:42:15,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:42:15,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1807245200, now seen corresponding path program 1 times [2019-11-28 02:42:15,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:42:15,642 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792064092] [2019-11-28 02:42:15,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:42:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:42:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:42:15,721 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:42:15,721 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 02:42:15,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:42:15 BoogieIcfgContainer [2019-11-28 02:42:15,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:42:15,782 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:42:15,782 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:42:15,782 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:42:15,783 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:41:44" (3/4) ... [2019-11-28 02:42:15,785 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 02:42:15,835 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 02:42:15,835 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:42:15,839 INFO L168 Benchmark]: Toolchain (without parser) took 33197.93 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 498.1 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -65.9 MB). Peak memory consumption was 432.2 MB. Max. memory is 11.5 GB. [2019-11-28 02:42:15,839 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:42:15,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:42:15,840 INFO L168 Benchmark]: Boogie Preprocessor took 82.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:42:15,840 INFO L168 Benchmark]: RCFGBuilder took 923.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. [2019-11-28 02:42:15,840 INFO L168 Benchmark]: TraceAbstraction took 31506.43 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 351.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.5 MB). Peak memory consumption was 358.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:42:15,841 INFO L168 Benchmark]: Witness Printer took 53.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-11-28 02:42:15,845 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 627.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 923.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31506.43 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 351.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.5 MB). Peak memory consumption was 358.8 MB. Max. memory is 11.5 GB. * Witness Printer took 53.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1029]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L991] SLL* list = malloc(sizeof(SLL)); VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L992] list->next = ((void*)0) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L993] COND FALSE !(!(list != ((void*)0))) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L993] COND FALSE !(__VERIFIER_nondet_int()) [L993] list->inner = malloc(sizeof(SLL)) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] list->inner->next = ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] list->inner->inner = ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] EXPR list->inner != ((void*)0) || list->inner == ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, list->inner != ((void*)0) || list->inner == ((void*)0)=1, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L995] SLL* end = list; VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L998] COND FALSE !(__VERIFIER_nondet_int()) [L1008] end = ((void*)0) [L1009] end = list VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1012] COND FALSE !(!(((void*)0) != end)) VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1014] COND TRUE ((void*)0) != end [L1016] int len = 0; VAL [end={-1:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1017] EXPR end->inner VAL [end={-1:0}, end->inner={-2:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1017] SLL* inner = end->inner; [L1018] COND TRUE ((void*)0) != inner VAL [end={-1:0}, inner={-2:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1020] COND TRUE len == 0 [L1021] len = 1 VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1024] COND FALSE !(!(((void*)0) != inner)) VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1025] EXPR inner->inner VAL [end={-1:0}, inner={-2:0}, inner->inner={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1025] COND FALSE !(!(((void*)0) == inner->inner)) [L1026] EXPR inner->next VAL [end={-1:0}, inner={-2:0}, inner->next={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1026] COND FALSE !(!(((void*)0) == inner->next)) [L1027] EXPR inner->inner VAL [end={-1:0}, inner={-2:0}, inner->inner={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1027] inner = inner->inner [L1028] COND TRUE len == 1 VAL [end={-1:0}, inner={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1029] inner->inner - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 197 locations, 80 error locations. Result: UNSAFE, OverallTime: 31.3s, OverallIterations: 37, TraceHistogramMax: 2, AutomataDifference: 25.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 5741 SDtfs, 10241 SDslu, 17689 SDs, 0 SdLazy, 19785 SolverSat, 620 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 16.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 564 GetRequests, 179 SyntacticMatches, 4 SemanticMatches, 381 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 875 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=281occurred in iteration=36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 36 MinimizatonAttempts, 3663 StatesRemovedByMinimization, 33 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1190 NumberOfCodeBlocks, 1190 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1106 ConstructedInterpolants, 7 QuantifiedInterpolants, 365018 SizeOfPredicates, 21 NumberOfNonLiveVariables, 302 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 38 InterpolantComputations, 34 PerfectInterpolantSequences, 9/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...