/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-rb-sentinel-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 05:14:44,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 05:14:44,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 05:14:44,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 05:14:44,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 05:14:44,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 05:14:44,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 05:14:44,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 05:14:44,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 05:14:44,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 05:14:44,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 05:14:44,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 05:14:44,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 05:14:44,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 05:14:44,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 05:14:44,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 05:14:44,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 05:14:44,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 05:14:44,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 05:14:44,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 05:14:44,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 05:14:44,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 05:14:44,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 05:14:44,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 05:14:44,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 05:14:44,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 05:14:44,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 05:14:44,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 05:14:44,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 05:14:44,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 05:14:44,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 05:14:44,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 05:14:44,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 05:14:44,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 05:14:44,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 05:14:44,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 05:14:44,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 05:14:44,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 05:14:44,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 05:14:44,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 05:14:44,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 05:14:44,689 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 05:14:44,717 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 05:14:44,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 05:14:44,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 05:14:44,722 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 05:14:44,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 05:14:44,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 05:14:44,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 05:14:44,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 05:14:44,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 05:14:44,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 05:14:44,723 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 05:14:44,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 05:14:44,723 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 05:14:44,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 05:14:44,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 05:14:44,724 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 05:14:44,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 05:14:44,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 05:14:44,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 05:14:44,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 05:14:44,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 05:14:44,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 05:14:44,729 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-18 05:14:45,048 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 05:14:45,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 05:14:45,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 05:14:45,078 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 05:14:45,079 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 05:14:45,080 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-rb-sentinel-1.i [2020-07-18 05:14:45,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57fc319ca/d13c25af58ba45c08d7514ab827d7695/FLAG35a8d3075 [2020-07-18 05:14:45,698 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 05:14:45,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-rb-sentinel-1.i [2020-07-18 05:14:45,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57fc319ca/d13c25af58ba45c08d7514ab827d7695/FLAG35a8d3075 [2020-07-18 05:14:46,000 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57fc319ca/d13c25af58ba45c08d7514ab827d7695 [2020-07-18 05:14:46,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 05:14:46,012 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 05:14:46,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 05:14:46,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 05:14:46,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 05:14:46,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:14:46" (1/1) ... [2020-07-18 05:14:46,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c045c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:46, skipping insertion in model container [2020-07-18 05:14:46,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:14:46" (1/1) ... [2020-07-18 05:14:46,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 05:14:46,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 05:14:46,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:14:46,563 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 05:14:46,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:14:46,706 INFO L208 MainTranslator]: Completed translation [2020-07-18 05:14:46,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:46 WrapperNode [2020-07-18 05:14:46,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 05:14:46,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 05:14:46,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 05:14:46,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 05:14:46,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:46" (1/1) ... [2020-07-18 05:14:46,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:46" (1/1) ... [2020-07-18 05:14:46,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:46" (1/1) ... [2020-07-18 05:14:46,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:46" (1/1) ... [2020-07-18 05:14:46,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:46" (1/1) ... [2020-07-18 05:14:46,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:46" (1/1) ... [2020-07-18 05:14:46,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:46" (1/1) ... [2020-07-18 05:14:46,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 05:14:46,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 05:14:46,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 05:14:46,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 05:14:46,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 05:14:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 05:14:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 05:14:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 05:14:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-18 05:14:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-18 05:14:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-18 05:14:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-18 05:14:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-18 05:14:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-18 05:14:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-18 05:14:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-18 05:14:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-18 05:14:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-18 05:14:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-18 05:14:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-18 05:14:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-18 05:14:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-18 05:14:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-18 05:14:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-18 05:14:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-18 05:14:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-18 05:14:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-18 05:14:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-18 05:14:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-18 05:14:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-18 05:14:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-18 05:14:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-18 05:14:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-18 05:14:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-18 05:14:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-18 05:14:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-18 05:14:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-18 05:14:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-18 05:14:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-18 05:14:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-18 05:14:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-18 05:14:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-18 05:14:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-18 05:14:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-18 05:14:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-18 05:14:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-18 05:14:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-18 05:14:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-18 05:14:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-18 05:14:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-18 05:14:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-18 05:14:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-18 05:14:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-18 05:14:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-18 05:14:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-18 05:14:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-18 05:14:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-18 05:14:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-18 05:14:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-18 05:14:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-18 05:14:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-18 05:14:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-18 05:14:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-18 05:14:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-18 05:14:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-18 05:14:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-18 05:14:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-18 05:14:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 05:14:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-18 05:14:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-18 05:14:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-18 05:14:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-18 05:14:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-18 05:14:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-18 05:14:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-18 05:14:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-18 05:14:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-18 05:14:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-18 05:14:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-18 05:14:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-18 05:14:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-18 05:14:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-18 05:14:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-18 05:14:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-18 05:14:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-18 05:14:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-18 05:14:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-18 05:14:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-18 05:14:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-18 05:14:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-18 05:14:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-18 05:14:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-18 05:14:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-18 05:14:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-18 05:14:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-18 05:14:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-18 05:14:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-18 05:14:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-18 05:14:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-18 05:14:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-18 05:14:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-18 05:14:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-18 05:14:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-18 05:14:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-18 05:14:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-18 05:14:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-18 05:14:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-18 05:14:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-18 05:14:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-18 05:14:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-18 05:14:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-18 05:14:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 05:14:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 05:14:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 05:14:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-18 05:14:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-18 05:14:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 05:14:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-18 05:14:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 05:14:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 05:14:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 05:14:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 05:14:47,687 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 05:14:47,687 INFO L295 CfgBuilder]: Removed 17 assume(true) statements. [2020-07-18 05:14:47,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:14:47 BoogieIcfgContainer [2020-07-18 05:14:47,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 05:14:47,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 05:14:47,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 05:14:47,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 05:14:47,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 05:14:46" (1/3) ... [2020-07-18 05:14:47,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b7f62c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:14:47, skipping insertion in model container [2020-07-18 05:14:47,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:46" (2/3) ... [2020-07-18 05:14:47,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b7f62c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:14:47, skipping insertion in model container [2020-07-18 05:14:47,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:14:47" (3/3) ... [2020-07-18 05:14:47,701 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-rb-sentinel-1.i [2020-07-18 05:14:47,712 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 05:14:47,720 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-07-18 05:14:47,734 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-07-18 05:14:47,756 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 05:14:47,756 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 05:14:47,756 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 05:14:47,756 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 05:14:47,757 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 05:14:47,757 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 05:14:47,757 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 05:14:47,757 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 05:14:47,776 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2020-07-18 05:14:47,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-18 05:14:47,787 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:14:47,788 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:14:47,789 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:14:47,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:14:47,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1523709425, now seen corresponding path program 1 times [2020-07-18 05:14:47,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:14:47,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747300975] [2020-07-18 05:14:47,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:14:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:48,129 INFO L280 TraceCheckUtils]: 0: Hoare triple {133#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {126#true} is VALID [2020-07-18 05:14:48,130 INFO L280 TraceCheckUtils]: 1: Hoare triple {126#true} #valid := #valid[0 := 0]; {126#true} is VALID [2020-07-18 05:14:48,131 INFO L280 TraceCheckUtils]: 2: Hoare triple {126#true} assume 0 < #StackHeapBarrier; {126#true} is VALID [2020-07-18 05:14:48,131 INFO L280 TraceCheckUtils]: 3: Hoare triple {126#true} assume true; {126#true} is VALID [2020-07-18 05:14:48,132 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {126#true} {126#true} #260#return; {126#true} is VALID [2020-07-18 05:14:48,137 INFO L263 TraceCheckUtils]: 0: Hoare triple {126#true} call ULTIMATE.init(); {133#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:14:48,138 INFO L280 TraceCheckUtils]: 1: Hoare triple {133#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {126#true} is VALID [2020-07-18 05:14:48,138 INFO L280 TraceCheckUtils]: 2: Hoare triple {126#true} #valid := #valid[0 := 0]; {126#true} is VALID [2020-07-18 05:14:48,138 INFO L280 TraceCheckUtils]: 3: Hoare triple {126#true} assume 0 < #StackHeapBarrier; {126#true} is VALID [2020-07-18 05:14:48,139 INFO L280 TraceCheckUtils]: 4: Hoare triple {126#true} assume true; {126#true} is VALID [2020-07-18 05:14:48,139 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {126#true} {126#true} #260#return; {126#true} is VALID [2020-07-18 05:14:48,139 INFO L263 TraceCheckUtils]: 6: Hoare triple {126#true} call #t~ret21 := main(); {126#true} is VALID [2020-07-18 05:14:48,140 INFO L280 TraceCheckUtils]: 7: Hoare triple {126#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(12); srcloc: mainENTRY {126#true} is VALID [2020-07-18 05:14:48,140 INFO L280 TraceCheckUtils]: 8: Hoare triple {126#true} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {126#true} is VALID [2020-07-18 05:14:48,140 INFO L280 TraceCheckUtils]: 9: Hoare triple {126#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, ~null~0.offset, 4); srcloc: L988 {126#true} is VALID [2020-07-18 05:14:48,141 INFO L280 TraceCheckUtils]: 10: Hoare triple {126#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, 4 + ~null~0.offset, 4); srcloc: L988-1 {126#true} is VALID [2020-07-18 05:14:48,141 INFO L280 TraceCheckUtils]: 11: Hoare triple {126#true} SUMMARY for call write~int(~unnamed1~0~BLACK, ~null~0.base, 8 + ~null~0.offset, 4); srcloc: L989 {126#true} is VALID [2020-07-18 05:14:48,141 INFO L280 TraceCheckUtils]: 12: Hoare triple {126#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(12); srcloc: L990 {126#true} is VALID [2020-07-18 05:14:48,142 INFO L280 TraceCheckUtils]: 13: Hoare triple {126#true} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {126#true} is VALID [2020-07-18 05:14:48,142 INFO L280 TraceCheckUtils]: 14: Hoare triple {126#true} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, ~list~0.offset, 4); srcloc: L993 {126#true} is VALID [2020-07-18 05:14:48,143 INFO L280 TraceCheckUtils]: 15: Hoare triple {126#true} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-1 {126#true} is VALID [2020-07-18 05:14:48,143 INFO L280 TraceCheckUtils]: 16: Hoare triple {126#true} SUMMARY for call write~int(~unnamed1~0~BLACK, ~list~0.base, 8 + ~list~0.offset, 4); srcloc: L994 {126#true} is VALID [2020-07-18 05:14:48,143 INFO L280 TraceCheckUtils]: 17: Hoare triple {126#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {126#true} is VALID [2020-07-18 05:14:48,145 INFO L280 TraceCheckUtils]: 18: Hoare triple {126#true} assume !true; {127#false} is VALID [2020-07-18 05:14:48,145 INFO L280 TraceCheckUtils]: 19: Hoare triple {127#false} ~end~0.base, ~end~0.offset := ~null~0.base, ~null~0.offset; {127#false} is VALID [2020-07-18 05:14:48,146 INFO L280 TraceCheckUtils]: 20: Hoare triple {127#false} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {127#false} is VALID [2020-07-18 05:14:48,147 INFO L280 TraceCheckUtils]: 21: Hoare triple {127#false} assume !(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {127#false} is VALID [2020-07-18 05:14:48,147 INFO L280 TraceCheckUtils]: 22: Hoare triple {127#false} assume !false; {127#false} is VALID [2020-07-18 05:14:48,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:14:48,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747300975] [2020-07-18 05:14:48,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:14:48,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:14:48,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272869712] [2020-07-18 05:14:48,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-07-18 05:14:48,171 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:14:48,175 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:14:48,228 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:48,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:14:48,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:14:48,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:14:48,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:14:48,238 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 3 states. [2020-07-18 05:14:48,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:48,854 INFO L93 Difference]: Finished difference Result 228 states and 286 transitions. [2020-07-18 05:14:48,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:14:48,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-07-18 05:14:48,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:14:48,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:14:48,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions. [2020-07-18 05:14:48,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:14:48,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions. [2020-07-18 05:14:48,894 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 286 transitions. [2020-07-18 05:14:49,263 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 286 edges. 286 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:49,280 INFO L225 Difference]: With dead ends: 228 [2020-07-18 05:14:49,280 INFO L226 Difference]: Without dead ends: 100 [2020-07-18 05:14:49,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:14:49,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-07-18 05:14:49,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2020-07-18 05:14:49,369 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:14:49,370 INFO L82 GeneralOperation]: Start isEquivalent. First operand 100 states. Second operand 100 states. [2020-07-18 05:14:49,370 INFO L74 IsIncluded]: Start isIncluded. First operand 100 states. Second operand 100 states. [2020-07-18 05:14:49,370 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 100 states. [2020-07-18 05:14:49,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:49,378 INFO L93 Difference]: Finished difference Result 100 states and 103 transitions. [2020-07-18 05:14:49,379 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 103 transitions. [2020-07-18 05:14:49,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:14:49,380 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:14:49,380 INFO L74 IsIncluded]: Start isIncluded. First operand 100 states. Second operand 100 states. [2020-07-18 05:14:49,381 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 100 states. [2020-07-18 05:14:49,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:49,388 INFO L93 Difference]: Finished difference Result 100 states and 103 transitions. [2020-07-18 05:14:49,388 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 103 transitions. [2020-07-18 05:14:49,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:14:49,390 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:14:49,392 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:14:49,392 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:14:49,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-07-18 05:14:49,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 103 transitions. [2020-07-18 05:14:49,404 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 103 transitions. Word has length 23 [2020-07-18 05:14:49,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:14:49,405 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 103 transitions. [2020-07-18 05:14:49,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:14:49,405 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 100 states and 103 transitions. [2020-07-18 05:14:49,515 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:49,516 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 103 transitions. [2020-07-18 05:14:49,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-18 05:14:49,517 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:14:49,517 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:14:49,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 05:14:49,519 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:14:49,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:14:49,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1887154194, now seen corresponding path program 1 times [2020-07-18 05:14:49,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:14:49,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636913803] [2020-07-18 05:14:49,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:14:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:49,671 INFO L280 TraceCheckUtils]: 0: Hoare triple {1004#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {992#true} is VALID [2020-07-18 05:14:49,671 INFO L280 TraceCheckUtils]: 1: Hoare triple {992#true} #valid := #valid[0 := 0]; {992#true} is VALID [2020-07-18 05:14:49,671 INFO L280 TraceCheckUtils]: 2: Hoare triple {992#true} assume 0 < #StackHeapBarrier; {992#true} is VALID [2020-07-18 05:14:49,672 INFO L280 TraceCheckUtils]: 3: Hoare triple {992#true} assume true; {992#true} is VALID [2020-07-18 05:14:49,672 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {992#true} {992#true} #260#return; {992#true} is VALID [2020-07-18 05:14:49,673 INFO L263 TraceCheckUtils]: 0: Hoare triple {992#true} call ULTIMATE.init(); {1004#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:14:49,674 INFO L280 TraceCheckUtils]: 1: Hoare triple {1004#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {992#true} is VALID [2020-07-18 05:14:49,674 INFO L280 TraceCheckUtils]: 2: Hoare triple {992#true} #valid := #valid[0 := 0]; {992#true} is VALID [2020-07-18 05:14:49,674 INFO L280 TraceCheckUtils]: 3: Hoare triple {992#true} assume 0 < #StackHeapBarrier; {992#true} is VALID [2020-07-18 05:14:49,675 INFO L280 TraceCheckUtils]: 4: Hoare triple {992#true} assume true; {992#true} is VALID [2020-07-18 05:14:49,675 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {992#true} {992#true} #260#return; {992#true} is VALID [2020-07-18 05:14:49,675 INFO L263 TraceCheckUtils]: 6: Hoare triple {992#true} call #t~ret21 := main(); {992#true} is VALID [2020-07-18 05:14:49,677 INFO L280 TraceCheckUtils]: 7: Hoare triple {992#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(12); srcloc: mainENTRY {999#(= 1 (select |#valid| |main_#t~malloc0.base|))} is VALID [2020-07-18 05:14:49,677 INFO L280 TraceCheckUtils]: 8: Hoare triple {999#(= 1 (select |#valid| |main_#t~malloc0.base|))} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {1000#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:14:49,678 INFO L280 TraceCheckUtils]: 9: Hoare triple {1000#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, ~null~0.offset, 4); srcloc: L988 {1000#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:14:49,679 INFO L280 TraceCheckUtils]: 10: Hoare triple {1000#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, 4 + ~null~0.offset, 4); srcloc: L988-1 {1000#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:14:49,680 INFO L280 TraceCheckUtils]: 11: Hoare triple {1000#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~null~0.base, 8 + ~null~0.offset, 4); srcloc: L989 {1000#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:14:49,681 INFO L280 TraceCheckUtils]: 12: Hoare triple {1000#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(12); srcloc: L990 {1001#(not (= |main_#t~malloc1.base| main_~null~0.base))} is VALID [2020-07-18 05:14:49,682 INFO L280 TraceCheckUtils]: 13: Hoare triple {1001#(not (= |main_#t~malloc1.base| main_~null~0.base))} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {1002#(not (= main_~list~0.base main_~null~0.base))} is VALID [2020-07-18 05:14:49,682 INFO L280 TraceCheckUtils]: 14: Hoare triple {1002#(not (= main_~list~0.base main_~null~0.base))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, ~list~0.offset, 4); srcloc: L993 {1002#(not (= main_~list~0.base main_~null~0.base))} is VALID [2020-07-18 05:14:49,683 INFO L280 TraceCheckUtils]: 15: Hoare triple {1002#(not (= main_~list~0.base main_~null~0.base))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-1 {1002#(not (= main_~list~0.base main_~null~0.base))} is VALID [2020-07-18 05:14:49,684 INFO L280 TraceCheckUtils]: 16: Hoare triple {1002#(not (= main_~list~0.base main_~null~0.base))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~list~0.base, 8 + ~list~0.offset, 4); srcloc: L994 {1002#(not (= main_~list~0.base main_~null~0.base))} is VALID [2020-07-18 05:14:49,685 INFO L280 TraceCheckUtils]: 17: Hoare triple {1002#(not (= main_~list~0.base main_~null~0.base))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {1002#(not (= main_~list~0.base main_~null~0.base))} is VALID [2020-07-18 05:14:49,685 INFO L280 TraceCheckUtils]: 18: Hoare triple {1002#(not (= main_~list~0.base main_~null~0.base))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {1002#(not (= main_~list~0.base main_~null~0.base))} is VALID [2020-07-18 05:14:49,686 INFO L280 TraceCheckUtils]: 19: Hoare triple {1002#(not (= main_~list~0.base main_~null~0.base))} assume !(0 != #t~nondet2); {1002#(not (= main_~list~0.base main_~null~0.base))} is VALID [2020-07-18 05:14:49,687 INFO L280 TraceCheckUtils]: 20: Hoare triple {1002#(not (= main_~list~0.base main_~null~0.base))} havoc #t~nondet2; {1002#(not (= main_~list~0.base main_~null~0.base))} is VALID [2020-07-18 05:14:49,687 INFO L280 TraceCheckUtils]: 21: Hoare triple {1002#(not (= main_~list~0.base main_~null~0.base))} ~end~0.base, ~end~0.offset := ~null~0.base, ~null~0.offset; {1002#(not (= main_~list~0.base main_~null~0.base))} is VALID [2020-07-18 05:14:49,688 INFO L280 TraceCheckUtils]: 22: Hoare triple {1002#(not (= main_~list~0.base main_~null~0.base))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {1003#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:14:49,689 INFO L280 TraceCheckUtils]: 23: Hoare triple {1003#(not (= main_~null~0.base main_~end~0.base))} assume !(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {993#false} is VALID [2020-07-18 05:14:49,689 INFO L280 TraceCheckUtils]: 24: Hoare triple {993#false} assume !false; {993#false} is VALID [2020-07-18 05:14:49,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:14:49,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636913803] [2020-07-18 05:14:49,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:14:49,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-18 05:14:49,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963168795] [2020-07-18 05:14:49,694 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-07-18 05:14:49,694 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:14:49,695 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 05:14:49,725 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:49,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-18 05:14:49,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:14:49,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-18 05:14:49,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-07-18 05:14:49,727 INFO L87 Difference]: Start difference. First operand 100 states and 103 transitions. Second operand 8 states. [2020-07-18 05:14:50,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:50,965 INFO L93 Difference]: Finished difference Result 121 states and 126 transitions. [2020-07-18 05:14:50,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-18 05:14:50,965 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-07-18 05:14:50,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:14:50,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 05:14:50,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 126 transitions. [2020-07-18 05:14:50,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 05:14:50,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 126 transitions. [2020-07-18 05:14:50,972 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 126 transitions. [2020-07-18 05:14:51,144 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 126 edges. 126 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:51,151 INFO L225 Difference]: With dead ends: 121 [2020-07-18 05:14:51,151 INFO L226 Difference]: Without dead ends: 119 [2020-07-18 05:14:51,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-07-18 05:14:51,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-07-18 05:14:51,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 98. [2020-07-18 05:14:51,406 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:14:51,406 INFO L82 GeneralOperation]: Start isEquivalent. First operand 119 states. Second operand 98 states. [2020-07-18 05:14:51,406 INFO L74 IsIncluded]: Start isIncluded. First operand 119 states. Second operand 98 states. [2020-07-18 05:14:51,406 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 98 states. [2020-07-18 05:14:51,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:51,416 INFO L93 Difference]: Finished difference Result 119 states and 124 transitions. [2020-07-18 05:14:51,416 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 124 transitions. [2020-07-18 05:14:51,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:14:51,418 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:14:51,418 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand 119 states. [2020-07-18 05:14:51,418 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 119 states. [2020-07-18 05:14:51,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:51,427 INFO L93 Difference]: Finished difference Result 119 states and 124 transitions. [2020-07-18 05:14:51,427 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 124 transitions. [2020-07-18 05:14:51,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:14:51,428 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:14:51,429 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:14:51,429 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:14:51,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-07-18 05:14:51,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 101 transitions. [2020-07-18 05:14:51,435 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 101 transitions. Word has length 25 [2020-07-18 05:14:51,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:14:51,435 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 101 transitions. [2020-07-18 05:14:51,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-18 05:14:51,436 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 98 states and 101 transitions. [2020-07-18 05:14:51,565 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 101 transitions. [2020-07-18 05:14:51,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-18 05:14:51,567 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:14:51,568 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:14:51,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 05:14:51,568 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:14:51,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:14:51,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1939387545, now seen corresponding path program 1 times [2020-07-18 05:14:51,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:14:51,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [908722314] [2020-07-18 05:14:51,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:14:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:51,843 INFO L280 TraceCheckUtils]: 0: Hoare triple {1704#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1691#true} is VALID [2020-07-18 05:14:51,843 INFO L280 TraceCheckUtils]: 1: Hoare triple {1691#true} #valid := #valid[0 := 0]; {1691#true} is VALID [2020-07-18 05:14:51,843 INFO L280 TraceCheckUtils]: 2: Hoare triple {1691#true} assume 0 < #StackHeapBarrier; {1691#true} is VALID [2020-07-18 05:14:51,844 INFO L280 TraceCheckUtils]: 3: Hoare triple {1691#true} assume true; {1691#true} is VALID [2020-07-18 05:14:51,844 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1691#true} {1691#true} #260#return; {1691#true} is VALID [2020-07-18 05:14:51,845 INFO L263 TraceCheckUtils]: 0: Hoare triple {1691#true} call ULTIMATE.init(); {1704#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:14:51,846 INFO L280 TraceCheckUtils]: 1: Hoare triple {1704#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1691#true} is VALID [2020-07-18 05:14:51,846 INFO L280 TraceCheckUtils]: 2: Hoare triple {1691#true} #valid := #valid[0 := 0]; {1691#true} is VALID [2020-07-18 05:14:51,846 INFO L280 TraceCheckUtils]: 3: Hoare triple {1691#true} assume 0 < #StackHeapBarrier; {1691#true} is VALID [2020-07-18 05:14:51,846 INFO L280 TraceCheckUtils]: 4: Hoare triple {1691#true} assume true; {1691#true} is VALID [2020-07-18 05:14:51,847 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1691#true} {1691#true} #260#return; {1691#true} is VALID [2020-07-18 05:14:51,847 INFO L263 TraceCheckUtils]: 6: Hoare triple {1691#true} call #t~ret21 := main(); {1691#true} is VALID [2020-07-18 05:14:51,848 INFO L280 TraceCheckUtils]: 7: Hoare triple {1691#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(12); srcloc: mainENTRY {1698#(= 0 |main_#t~malloc0.offset|)} is VALID [2020-07-18 05:14:51,848 INFO L280 TraceCheckUtils]: 8: Hoare triple {1698#(= 0 |main_#t~malloc0.offset|)} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {1691#true} is VALID [2020-07-18 05:14:51,848 INFO L280 TraceCheckUtils]: 9: Hoare triple {1691#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, ~null~0.offset, 4); srcloc: L988 {1691#true} is VALID [2020-07-18 05:14:51,849 INFO L280 TraceCheckUtils]: 10: Hoare triple {1691#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, 4 + ~null~0.offset, 4); srcloc: L988-1 {1691#true} is VALID [2020-07-18 05:14:51,849 INFO L280 TraceCheckUtils]: 11: Hoare triple {1691#true} SUMMARY for call write~int(~unnamed1~0~BLACK, ~null~0.base, 8 + ~null~0.offset, 4); srcloc: L989 {1691#true} is VALID [2020-07-18 05:14:51,850 INFO L280 TraceCheckUtils]: 12: Hoare triple {1691#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(12); srcloc: L990 {1699#(= 0 |main_#t~malloc1.offset|)} is VALID [2020-07-18 05:14:51,850 INFO L280 TraceCheckUtils]: 13: Hoare triple {1699#(= 0 |main_#t~malloc1.offset|)} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {1700#(= 0 main_~list~0.offset)} is VALID [2020-07-18 05:14:51,851 INFO L280 TraceCheckUtils]: 14: Hoare triple {1700#(= 0 main_~list~0.offset)} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, ~list~0.offset, 4); srcloc: L993 {1700#(= 0 main_~list~0.offset)} is VALID [2020-07-18 05:14:51,852 INFO L280 TraceCheckUtils]: 15: Hoare triple {1700#(= 0 main_~list~0.offset)} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-1 {1700#(= 0 main_~list~0.offset)} is VALID [2020-07-18 05:14:51,853 INFO L280 TraceCheckUtils]: 16: Hoare triple {1700#(= 0 main_~list~0.offset)} SUMMARY for call write~int(~unnamed1~0~BLACK, ~list~0.base, 8 + ~list~0.offset, 4); srcloc: L994 {1701#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:14:51,854 INFO L280 TraceCheckUtils]: 17: Hoare triple {1701#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {1701#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:14:51,855 INFO L280 TraceCheckUtils]: 18: Hoare triple {1701#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {1701#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:14:51,856 INFO L280 TraceCheckUtils]: 19: Hoare triple {1701#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} assume !(0 != #t~nondet2); {1701#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:14:51,857 INFO L280 TraceCheckUtils]: 20: Hoare triple {1701#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} havoc #t~nondet2; {1701#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:14:51,857 INFO L280 TraceCheckUtils]: 21: Hoare triple {1701#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} ~end~0.base, ~end~0.offset := ~null~0.base, ~null~0.offset; {1701#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:14:51,858 INFO L280 TraceCheckUtils]: 22: Hoare triple {1701#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {1702#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} is VALID [2020-07-18 05:14:51,859 INFO L280 TraceCheckUtils]: 23: Hoare triple {1702#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {1702#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} is VALID [2020-07-18 05:14:51,860 INFO L280 TraceCheckUtils]: 24: Hoare triple {1702#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} goto; {1702#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} is VALID [2020-07-18 05:14:51,860 INFO L280 TraceCheckUtils]: 25: Hoare triple {1702#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} SUMMARY for call #t~mem12 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1031-6 {1703#(= ~unnamed1~0~BLACK |main_#t~mem12|)} is VALID [2020-07-18 05:14:51,861 INFO L280 TraceCheckUtils]: 26: Hoare triple {1703#(= ~unnamed1~0~BLACK |main_#t~mem12|)} assume !(~unnamed1~0~BLACK == #t~mem12); {1692#false} is VALID [2020-07-18 05:14:51,861 INFO L280 TraceCheckUtils]: 27: Hoare triple {1692#false} havoc #t~mem12; {1692#false} is VALID [2020-07-18 05:14:51,862 INFO L280 TraceCheckUtils]: 28: Hoare triple {1692#false} assume !false; {1692#false} is VALID [2020-07-18 05:14:51,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:14:51,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [908722314] [2020-07-18 05:14:51,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:14:51,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-18 05:14:51,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892803110] [2020-07-18 05:14:51,866 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2020-07-18 05:14:51,866 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:14:51,866 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-18 05:14:51,898 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:51,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-18 05:14:51,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:14:51,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-18 05:14:51,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-18 05:14:51,899 INFO L87 Difference]: Start difference. First operand 98 states and 101 transitions. Second operand 9 states. [2020-07-18 05:14:53,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:53,551 INFO L93 Difference]: Finished difference Result 146 states and 152 transitions. [2020-07-18 05:14:53,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-18 05:14:53,552 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2020-07-18 05:14:53,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:14:53,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-18 05:14:53,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 152 transitions. [2020-07-18 05:14:53,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-18 05:14:53,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 152 transitions. [2020-07-18 05:14:53,569 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 152 transitions. [2020-07-18 05:14:53,788 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 152 edges. 152 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:53,792 INFO L225 Difference]: With dead ends: 146 [2020-07-18 05:14:53,792 INFO L226 Difference]: Without dead ends: 143 [2020-07-18 05:14:53,793 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-18 05:14:53,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-18 05:14:54,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 107. [2020-07-18 05:14:54,204 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:14:54,205 INFO L82 GeneralOperation]: Start isEquivalent. First operand 143 states. Second operand 107 states. [2020-07-18 05:14:54,205 INFO L74 IsIncluded]: Start isIncluded. First operand 143 states. Second operand 107 states. [2020-07-18 05:14:54,205 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 107 states. [2020-07-18 05:14:54,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:54,212 INFO L93 Difference]: Finished difference Result 143 states and 149 transitions. [2020-07-18 05:14:54,212 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 149 transitions. [2020-07-18 05:14:54,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:14:54,213 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:14:54,214 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 143 states. [2020-07-18 05:14:54,214 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 143 states. [2020-07-18 05:14:54,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:54,219 INFO L93 Difference]: Finished difference Result 143 states and 149 transitions. [2020-07-18 05:14:54,220 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 149 transitions. [2020-07-18 05:14:54,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:14:54,220 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:14:54,221 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:14:54,221 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:14:54,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-07-18 05:14:54,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 111 transitions. [2020-07-18 05:14:54,225 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 111 transitions. Word has length 29 [2020-07-18 05:14:54,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:14:54,225 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 111 transitions. [2020-07-18 05:14:54,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-18 05:14:54,225 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 107 states and 111 transitions. [2020-07-18 05:14:54,417 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:54,418 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 111 transitions. [2020-07-18 05:14:54,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-18 05:14:54,419 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:14:54,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:14:54,419 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 05:14:54,420 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:14:54,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:14:54,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1026590761, now seen corresponding path program 1 times [2020-07-18 05:14:54,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:14:54,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [396790743] [2020-07-18 05:14:54,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:14:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:54,611 INFO L280 TraceCheckUtils]: 0: Hoare triple {2523#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {2513#true} is VALID [2020-07-18 05:14:54,612 INFO L280 TraceCheckUtils]: 1: Hoare triple {2513#true} #valid := #valid[0 := 0]; {2513#true} is VALID [2020-07-18 05:14:54,612 INFO L280 TraceCheckUtils]: 2: Hoare triple {2513#true} assume 0 < #StackHeapBarrier; {2513#true} is VALID [2020-07-18 05:14:54,612 INFO L280 TraceCheckUtils]: 3: Hoare triple {2513#true} assume true; {2513#true} is VALID [2020-07-18 05:14:54,613 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2513#true} {2513#true} #260#return; {2513#true} is VALID [2020-07-18 05:14:54,614 INFO L263 TraceCheckUtils]: 0: Hoare triple {2513#true} call ULTIMATE.init(); {2523#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:14:54,614 INFO L280 TraceCheckUtils]: 1: Hoare triple {2523#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {2513#true} is VALID [2020-07-18 05:14:54,614 INFO L280 TraceCheckUtils]: 2: Hoare triple {2513#true} #valid := #valid[0 := 0]; {2513#true} is VALID [2020-07-18 05:14:54,615 INFO L280 TraceCheckUtils]: 3: Hoare triple {2513#true} assume 0 < #StackHeapBarrier; {2513#true} is VALID [2020-07-18 05:14:54,615 INFO L280 TraceCheckUtils]: 4: Hoare triple {2513#true} assume true; {2513#true} is VALID [2020-07-18 05:14:54,615 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2513#true} {2513#true} #260#return; {2513#true} is VALID [2020-07-18 05:14:54,615 INFO L263 TraceCheckUtils]: 6: Hoare triple {2513#true} call #t~ret21 := main(); {2513#true} is VALID [2020-07-18 05:14:54,615 INFO L280 TraceCheckUtils]: 7: Hoare triple {2513#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(12); srcloc: mainENTRY {2513#true} is VALID [2020-07-18 05:14:54,616 INFO L280 TraceCheckUtils]: 8: Hoare triple {2513#true} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {2513#true} is VALID [2020-07-18 05:14:54,616 INFO L280 TraceCheckUtils]: 9: Hoare triple {2513#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, ~null~0.offset, 4); srcloc: L988 {2513#true} is VALID [2020-07-18 05:14:54,616 INFO L280 TraceCheckUtils]: 10: Hoare triple {2513#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, 4 + ~null~0.offset, 4); srcloc: L988-1 {2513#true} is VALID [2020-07-18 05:14:54,616 INFO L280 TraceCheckUtils]: 11: Hoare triple {2513#true} SUMMARY for call write~int(~unnamed1~0~BLACK, ~null~0.base, 8 + ~null~0.offset, 4); srcloc: L989 {2513#true} is VALID [2020-07-18 05:14:54,617 INFO L280 TraceCheckUtils]: 12: Hoare triple {2513#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(12); srcloc: L990 {2513#true} is VALID [2020-07-18 05:14:54,617 INFO L280 TraceCheckUtils]: 13: Hoare triple {2513#true} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {2513#true} is VALID [2020-07-18 05:14:54,617 INFO L280 TraceCheckUtils]: 14: Hoare triple {2513#true} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, ~list~0.offset, 4); srcloc: L993 {2513#true} is VALID [2020-07-18 05:14:54,617 INFO L280 TraceCheckUtils]: 15: Hoare triple {2513#true} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-1 {2513#true} is VALID [2020-07-18 05:14:54,617 INFO L280 TraceCheckUtils]: 16: Hoare triple {2513#true} SUMMARY for call write~int(~unnamed1~0~BLACK, ~list~0.base, 8 + ~list~0.offset, 4); srcloc: L994 {2513#true} is VALID [2020-07-18 05:14:54,618 INFO L280 TraceCheckUtils]: 17: Hoare triple {2513#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {2513#true} is VALID [2020-07-18 05:14:54,618 INFO L280 TraceCheckUtils]: 18: Hoare triple {2513#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {2513#true} is VALID [2020-07-18 05:14:54,618 INFO L280 TraceCheckUtils]: 19: Hoare triple {2513#true} assume !(0 != #t~nondet2); {2513#true} is VALID [2020-07-18 05:14:54,618 INFO L280 TraceCheckUtils]: 20: Hoare triple {2513#true} havoc #t~nondet2; {2513#true} is VALID [2020-07-18 05:14:54,618 INFO L280 TraceCheckUtils]: 21: Hoare triple {2513#true} ~end~0.base, ~end~0.offset := ~null~0.base, ~null~0.offset; {2513#true} is VALID [2020-07-18 05:14:54,619 INFO L280 TraceCheckUtils]: 22: Hoare triple {2513#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {2513#true} is VALID [2020-07-18 05:14:54,619 INFO L280 TraceCheckUtils]: 23: Hoare triple {2513#true} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {2513#true} is VALID [2020-07-18 05:14:54,619 INFO L280 TraceCheckUtils]: 24: Hoare triple {2513#true} goto; {2513#true} is VALID [2020-07-18 05:14:54,621 INFO L280 TraceCheckUtils]: 25: Hoare triple {2513#true} SUMMARY for call #t~mem12 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1031-6 {2520#(= |main_#t~mem12| (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} is VALID [2020-07-18 05:14:54,639 INFO L280 TraceCheckUtils]: 26: Hoare triple {2520#(= |main_#t~mem12| (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} assume !!(~unnamed1~0~BLACK == #t~mem12); {2521#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} is VALID [2020-07-18 05:14:54,640 INFO L280 TraceCheckUtils]: 27: Hoare triple {2521#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} havoc #t~mem12; {2521#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} is VALID [2020-07-18 05:14:54,640 INFO L280 TraceCheckUtils]: 28: Hoare triple {2521#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} goto; {2521#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} is VALID [2020-07-18 05:14:54,641 INFO L280 TraceCheckUtils]: 29: Hoare triple {2521#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {2521#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} is VALID [2020-07-18 05:14:54,642 INFO L280 TraceCheckUtils]: 30: Hoare triple {2521#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} SUMMARY for call #t~mem13 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1034 {2522#(= ~unnamed1~0~BLACK |main_#t~mem13|)} is VALID [2020-07-18 05:14:54,643 INFO L280 TraceCheckUtils]: 31: Hoare triple {2522#(= ~unnamed1~0~BLACK |main_#t~mem13|)} assume ~unnamed1~0~RED == #t~mem13; {2514#false} is VALID [2020-07-18 05:14:54,643 INFO L280 TraceCheckUtils]: 32: Hoare triple {2514#false} havoc #t~mem13; {2514#false} is VALID [2020-07-18 05:14:54,644 INFO L280 TraceCheckUtils]: 33: Hoare triple {2514#false} SUMMARY for call #t~mem14.base, #t~mem14.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1036 {2514#false} is VALID [2020-07-18 05:14:54,644 INFO L280 TraceCheckUtils]: 34: Hoare triple {2514#false} ~end~0.base, ~end~0.offset := #t~mem14.base, #t~mem14.offset; {2514#false} is VALID [2020-07-18 05:14:54,644 INFO L280 TraceCheckUtils]: 35: Hoare triple {2514#false} havoc #t~mem14.base, #t~mem14.offset; {2514#false} is VALID [2020-07-18 05:14:54,644 INFO L280 TraceCheckUtils]: 36: Hoare triple {2514#false} assume !(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {2514#false} is VALID [2020-07-18 05:14:54,645 INFO L280 TraceCheckUtils]: 37: Hoare triple {2514#false} assume !false; {2514#false} is VALID [2020-07-18 05:14:54,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:14:54,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [396790743] [2020-07-18 05:14:54,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:14:54,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 05:14:54,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979290990] [2020-07-18 05:14:54,649 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-07-18 05:14:54,649 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:14:54,649 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 05:14:54,690 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:54,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 05:14:54,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:14:54,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 05:14:54,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 05:14:54,691 INFO L87 Difference]: Start difference. First operand 107 states and 111 transitions. Second operand 6 states. [2020-07-18 05:14:55,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:55,835 INFO L93 Difference]: Finished difference Result 140 states and 146 transitions. [2020-07-18 05:14:55,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-18 05:14:55,836 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-07-18 05:14:55,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:14:55,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 05:14:55,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 141 transitions. [2020-07-18 05:14:55,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 05:14:55,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 141 transitions. [2020-07-18 05:14:55,844 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 141 transitions. [2020-07-18 05:14:56,021 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 141 edges. 141 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:56,024 INFO L225 Difference]: With dead ends: 140 [2020-07-18 05:14:56,025 INFO L226 Difference]: Without dead ends: 118 [2020-07-18 05:14:56,025 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-18 05:14:56,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-07-18 05:14:56,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 110. [2020-07-18 05:14:56,428 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:14:56,428 INFO L82 GeneralOperation]: Start isEquivalent. First operand 118 states. Second operand 110 states. [2020-07-18 05:14:56,428 INFO L74 IsIncluded]: Start isIncluded. First operand 118 states. Second operand 110 states. [2020-07-18 05:14:56,428 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 110 states. [2020-07-18 05:14:56,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:56,433 INFO L93 Difference]: Finished difference Result 118 states and 122 transitions. [2020-07-18 05:14:56,433 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 122 transitions. [2020-07-18 05:14:56,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:14:56,433 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:14:56,434 INFO L74 IsIncluded]: Start isIncluded. First operand 110 states. Second operand 118 states. [2020-07-18 05:14:56,434 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 118 states. [2020-07-18 05:14:56,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:56,438 INFO L93 Difference]: Finished difference Result 118 states and 122 transitions. [2020-07-18 05:14:56,438 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 122 transitions. [2020-07-18 05:14:56,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:14:56,439 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:14:56,439 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:14:56,439 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:14:56,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-18 05:14:56,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 114 transitions. [2020-07-18 05:14:56,443 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 114 transitions. Word has length 38 [2020-07-18 05:14:56,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:14:56,444 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 114 transitions. [2020-07-18 05:14:56,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 05:14:56,444 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 110 states and 114 transitions. [2020-07-18 05:14:56,652 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:56,652 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 114 transitions. [2020-07-18 05:14:56,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-18 05:14:56,654 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:14:56,654 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:14:56,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-18 05:14:56,655 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:14:56,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:14:56,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1637573847, now seen corresponding path program 1 times [2020-07-18 05:14:56,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:14:56,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1405919247] [2020-07-18 05:14:56,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:14:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:56,748 INFO L280 TraceCheckUtils]: 0: Hoare triple {3275#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3266#true} is VALID [2020-07-18 05:14:56,749 INFO L280 TraceCheckUtils]: 1: Hoare triple {3266#true} #valid := #valid[0 := 0]; {3266#true} is VALID [2020-07-18 05:14:56,749 INFO L280 TraceCheckUtils]: 2: Hoare triple {3266#true} assume 0 < #StackHeapBarrier; {3266#true} is VALID [2020-07-18 05:14:56,749 INFO L280 TraceCheckUtils]: 3: Hoare triple {3266#true} assume true; {3266#true} is VALID [2020-07-18 05:14:56,750 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3266#true} {3266#true} #260#return; {3266#true} is VALID [2020-07-18 05:14:56,752 INFO L263 TraceCheckUtils]: 0: Hoare triple {3266#true} call ULTIMATE.init(); {3275#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:14:56,752 INFO L280 TraceCheckUtils]: 1: Hoare triple {3275#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3266#true} is VALID [2020-07-18 05:14:56,753 INFO L280 TraceCheckUtils]: 2: Hoare triple {3266#true} #valid := #valid[0 := 0]; {3266#true} is VALID [2020-07-18 05:14:56,753 INFO L280 TraceCheckUtils]: 3: Hoare triple {3266#true} assume 0 < #StackHeapBarrier; {3266#true} is VALID [2020-07-18 05:14:56,753 INFO L280 TraceCheckUtils]: 4: Hoare triple {3266#true} assume true; {3266#true} is VALID [2020-07-18 05:14:56,753 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3266#true} {3266#true} #260#return; {3266#true} is VALID [2020-07-18 05:14:56,753 INFO L263 TraceCheckUtils]: 6: Hoare triple {3266#true} call #t~ret21 := main(); {3266#true} is VALID [2020-07-18 05:14:56,754 INFO L280 TraceCheckUtils]: 7: Hoare triple {3266#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(12); srcloc: mainENTRY {3266#true} is VALID [2020-07-18 05:14:56,754 INFO L280 TraceCheckUtils]: 8: Hoare triple {3266#true} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {3266#true} is VALID [2020-07-18 05:14:56,754 INFO L280 TraceCheckUtils]: 9: Hoare triple {3266#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, ~null~0.offset, 4); srcloc: L988 {3266#true} is VALID [2020-07-18 05:14:56,754 INFO L280 TraceCheckUtils]: 10: Hoare triple {3266#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, 4 + ~null~0.offset, 4); srcloc: L988-1 {3266#true} is VALID [2020-07-18 05:14:56,755 INFO L280 TraceCheckUtils]: 11: Hoare triple {3266#true} SUMMARY for call write~int(~unnamed1~0~BLACK, ~null~0.base, 8 + ~null~0.offset, 4); srcloc: L989 {3266#true} is VALID [2020-07-18 05:14:56,755 INFO L280 TraceCheckUtils]: 12: Hoare triple {3266#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(12); srcloc: L990 {3266#true} is VALID [2020-07-18 05:14:56,755 INFO L280 TraceCheckUtils]: 13: Hoare triple {3266#true} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {3266#true} is VALID [2020-07-18 05:14:56,756 INFO L280 TraceCheckUtils]: 14: Hoare triple {3266#true} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, ~list~0.offset, 4); srcloc: L993 {3266#true} is VALID [2020-07-18 05:14:56,756 INFO L280 TraceCheckUtils]: 15: Hoare triple {3266#true} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-1 {3266#true} is VALID [2020-07-18 05:14:56,756 INFO L280 TraceCheckUtils]: 16: Hoare triple {3266#true} SUMMARY for call write~int(~unnamed1~0~BLACK, ~list~0.base, 8 + ~list~0.offset, 4); srcloc: L994 {3266#true} is VALID [2020-07-18 05:14:56,756 INFO L280 TraceCheckUtils]: 17: Hoare triple {3266#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {3266#true} is VALID [2020-07-18 05:14:56,757 INFO L280 TraceCheckUtils]: 18: Hoare triple {3266#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {3266#true} is VALID [2020-07-18 05:14:56,757 INFO L280 TraceCheckUtils]: 19: Hoare triple {3266#true} assume !!(0 != #t~nondet2); {3266#true} is VALID [2020-07-18 05:14:56,757 INFO L280 TraceCheckUtils]: 20: Hoare triple {3266#true} havoc #t~nondet2; {3266#true} is VALID [2020-07-18 05:14:56,757 INFO L280 TraceCheckUtils]: 21: Hoare triple {3266#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(12); srcloc: L1003 {3266#true} is VALID [2020-07-18 05:14:56,758 INFO L280 TraceCheckUtils]: 22: Hoare triple {3266#true} SUMMARY for call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1003-1 {3266#true} is VALID [2020-07-18 05:14:56,758 INFO L280 TraceCheckUtils]: 23: Hoare triple {3266#true} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1003-2 {3266#true} is VALID [2020-07-18 05:14:56,758 INFO L280 TraceCheckUtils]: 24: Hoare triple {3266#true} SUMMARY for call write~$Pointer$(~end~0.base, ~end~0.offset, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L1004 {3266#true} is VALID [2020-07-18 05:14:56,759 INFO L280 TraceCheckUtils]: 25: Hoare triple {3266#true} havoc #t~mem4.base, #t~mem4.offset; {3266#true} is VALID [2020-07-18 05:14:56,759 INFO L280 TraceCheckUtils]: 26: Hoare triple {3266#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1005 {3266#true} is VALID [2020-07-18 05:14:56,759 INFO L280 TraceCheckUtils]: 27: Hoare triple {3266#true} ~end~0.base, ~end~0.offset := #t~mem5.base, #t~mem5.offset; {3266#true} is VALID [2020-07-18 05:14:56,759 INFO L280 TraceCheckUtils]: 28: Hoare triple {3266#true} havoc #t~mem5.base, #t~mem5.offset; {3266#true} is VALID [2020-07-18 05:14:56,760 INFO L280 TraceCheckUtils]: 29: Hoare triple {3266#true} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1006 {3266#true} is VALID [2020-07-18 05:14:56,760 INFO L280 TraceCheckUtils]: 30: Hoare triple {3266#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {3266#true} is VALID [2020-07-18 05:14:56,760 INFO L280 TraceCheckUtils]: 31: Hoare triple {3266#true} assume 0 != #t~nondet6; {3266#true} is VALID [2020-07-18 05:14:56,760 INFO L280 TraceCheckUtils]: 32: Hoare triple {3266#true} havoc #t~nondet6; {3266#true} is VALID [2020-07-18 05:14:56,761 INFO L280 TraceCheckUtils]: 33: Hoare triple {3266#true} SUMMARY for call write~int(~unnamed1~0~BLACK, ~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1010 {3273#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} is VALID [2020-07-18 05:14:56,762 INFO L280 TraceCheckUtils]: 34: Hoare triple {3273#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} SUMMARY for call #t~mem10 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1021-6 {3274#(= ~unnamed1~0~BLACK |main_#t~mem10|)} is VALID [2020-07-18 05:14:56,763 INFO L280 TraceCheckUtils]: 35: Hoare triple {3274#(= ~unnamed1~0~BLACK |main_#t~mem10|)} assume !(~unnamed1~0~BLACK == #t~mem10); {3267#false} is VALID [2020-07-18 05:14:56,763 INFO L280 TraceCheckUtils]: 36: Hoare triple {3267#false} havoc #t~mem10; {3267#false} is VALID [2020-07-18 05:14:56,763 INFO L280 TraceCheckUtils]: 37: Hoare triple {3267#false} assume !false; {3267#false} is VALID [2020-07-18 05:14:56,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:14:56,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1405919247] [2020-07-18 05:14:56,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:14:56,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-18 05:14:56,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113429737] [2020-07-18 05:14:56,766 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-07-18 05:14:56,766 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:14:56,766 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-18 05:14:56,802 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:56,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-18 05:14:56,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:14:56,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-18 05:14:56,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-18 05:14:56,804 INFO L87 Difference]: Start difference. First operand 110 states and 114 transitions. Second operand 5 states. [2020-07-18 05:14:57,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:57,763 INFO L93 Difference]: Finished difference Result 115 states and 119 transitions. [2020-07-18 05:14:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-18 05:14:57,763 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-07-18 05:14:57,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:14:57,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 05:14:57,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 111 transitions. [2020-07-18 05:14:57,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 05:14:57,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 111 transitions. [2020-07-18 05:14:57,769 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 111 transitions. [2020-07-18 05:14:57,902 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:57,906 INFO L225 Difference]: With dead ends: 115 [2020-07-18 05:14:57,906 INFO L226 Difference]: Without dead ends: 112 [2020-07-18 05:14:57,906 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-18 05:14:57,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-07-18 05:14:58,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 107. [2020-07-18 05:14:58,359 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:14:58,359 INFO L82 GeneralOperation]: Start isEquivalent. First operand 112 states. Second operand 107 states. [2020-07-18 05:14:58,359 INFO L74 IsIncluded]: Start isIncluded. First operand 112 states. Second operand 107 states. [2020-07-18 05:14:58,360 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 107 states. [2020-07-18 05:14:58,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:58,364 INFO L93 Difference]: Finished difference Result 112 states and 116 transitions. [2020-07-18 05:14:58,364 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2020-07-18 05:14:58,365 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:14:58,365 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:14:58,365 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 112 states. [2020-07-18 05:14:58,365 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 112 states. [2020-07-18 05:14:58,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:58,371 INFO L93 Difference]: Finished difference Result 112 states and 116 transitions. [2020-07-18 05:14:58,372 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2020-07-18 05:14:58,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:14:58,373 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:14:58,373 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:14:58,374 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:14:58,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-07-18 05:14:58,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 111 transitions. [2020-07-18 05:14:58,379 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 111 transitions. Word has length 38 [2020-07-18 05:14:58,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:14:58,380 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 111 transitions. [2020-07-18 05:14:58,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-18 05:14:58,380 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 107 states and 111 transitions. [2020-07-18 05:14:58,653 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:58,653 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 111 transitions. [2020-07-18 05:14:58,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-07-18 05:14:58,654 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:14:58,654 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:14:58,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-18 05:14:58,655 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:14:58,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:14:58,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1162057661, now seen corresponding path program 1 times [2020-07-18 05:14:58,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:14:58,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825736874] [2020-07-18 05:14:58,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:14:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:58,835 INFO L280 TraceCheckUtils]: 0: Hoare triple {3957#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3948#true} is VALID [2020-07-18 05:14:58,835 INFO L280 TraceCheckUtils]: 1: Hoare triple {3948#true} #valid := #valid[0 := 0]; {3948#true} is VALID [2020-07-18 05:14:58,836 INFO L280 TraceCheckUtils]: 2: Hoare triple {3948#true} assume 0 < #StackHeapBarrier; {3948#true} is VALID [2020-07-18 05:14:58,836 INFO L280 TraceCheckUtils]: 3: Hoare triple {3948#true} assume true; {3948#true} is VALID [2020-07-18 05:14:58,836 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3948#true} {3948#true} #260#return; {3948#true} is VALID [2020-07-18 05:14:58,837 INFO L263 TraceCheckUtils]: 0: Hoare triple {3948#true} call ULTIMATE.init(); {3957#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:14:58,837 INFO L280 TraceCheckUtils]: 1: Hoare triple {3957#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3948#true} is VALID [2020-07-18 05:14:58,838 INFO L280 TraceCheckUtils]: 2: Hoare triple {3948#true} #valid := #valid[0 := 0]; {3948#true} is VALID [2020-07-18 05:14:58,838 INFO L280 TraceCheckUtils]: 3: Hoare triple {3948#true} assume 0 < #StackHeapBarrier; {3948#true} is VALID [2020-07-18 05:14:58,838 INFO L280 TraceCheckUtils]: 4: Hoare triple {3948#true} assume true; {3948#true} is VALID [2020-07-18 05:14:58,838 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3948#true} {3948#true} #260#return; {3948#true} is VALID [2020-07-18 05:14:58,839 INFO L263 TraceCheckUtils]: 6: Hoare triple {3948#true} call #t~ret21 := main(); {3948#true} is VALID [2020-07-18 05:14:58,839 INFO L280 TraceCheckUtils]: 7: Hoare triple {3948#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(12); srcloc: mainENTRY {3948#true} is VALID [2020-07-18 05:14:58,839 INFO L280 TraceCheckUtils]: 8: Hoare triple {3948#true} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {3948#true} is VALID [2020-07-18 05:14:58,840 INFO L280 TraceCheckUtils]: 9: Hoare triple {3948#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, ~null~0.offset, 4); srcloc: L988 {3948#true} is VALID [2020-07-18 05:14:58,840 INFO L280 TraceCheckUtils]: 10: Hoare triple {3948#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, 4 + ~null~0.offset, 4); srcloc: L988-1 {3948#true} is VALID [2020-07-18 05:14:58,840 INFO L280 TraceCheckUtils]: 11: Hoare triple {3948#true} SUMMARY for call write~int(~unnamed1~0~BLACK, ~null~0.base, 8 + ~null~0.offset, 4); srcloc: L989 {3948#true} is VALID [2020-07-18 05:14:58,840 INFO L280 TraceCheckUtils]: 12: Hoare triple {3948#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(12); srcloc: L990 {3948#true} is VALID [2020-07-18 05:14:58,841 INFO L280 TraceCheckUtils]: 13: Hoare triple {3948#true} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {3948#true} is VALID [2020-07-18 05:14:58,841 INFO L280 TraceCheckUtils]: 14: Hoare triple {3948#true} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, ~list~0.offset, 4); srcloc: L993 {3948#true} is VALID [2020-07-18 05:14:58,841 INFO L280 TraceCheckUtils]: 15: Hoare triple {3948#true} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-1 {3948#true} is VALID [2020-07-18 05:14:58,841 INFO L280 TraceCheckUtils]: 16: Hoare triple {3948#true} SUMMARY for call write~int(~unnamed1~0~BLACK, ~list~0.base, 8 + ~list~0.offset, 4); srcloc: L994 {3948#true} is VALID [2020-07-18 05:14:58,841 INFO L280 TraceCheckUtils]: 17: Hoare triple {3948#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {3948#true} is VALID [2020-07-18 05:14:58,842 INFO L280 TraceCheckUtils]: 18: Hoare triple {3948#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {3948#true} is VALID [2020-07-18 05:14:58,842 INFO L280 TraceCheckUtils]: 19: Hoare triple {3948#true} assume !!(0 != #t~nondet2); {3948#true} is VALID [2020-07-18 05:14:58,842 INFO L280 TraceCheckUtils]: 20: Hoare triple {3948#true} havoc #t~nondet2; {3948#true} is VALID [2020-07-18 05:14:58,842 INFO L280 TraceCheckUtils]: 21: Hoare triple {3948#true} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(12); srcloc: L1003 {3948#true} is VALID [2020-07-18 05:14:58,843 INFO L280 TraceCheckUtils]: 22: Hoare triple {3948#true} SUMMARY for call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1003-1 {3948#true} is VALID [2020-07-18 05:14:58,843 INFO L280 TraceCheckUtils]: 23: Hoare triple {3948#true} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1003-2 {3948#true} is VALID [2020-07-18 05:14:58,843 INFO L280 TraceCheckUtils]: 24: Hoare triple {3948#true} SUMMARY for call write~$Pointer$(~end~0.base, ~end~0.offset, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L1004 {3948#true} is VALID [2020-07-18 05:14:58,843 INFO L280 TraceCheckUtils]: 25: Hoare triple {3948#true} havoc #t~mem4.base, #t~mem4.offset; {3948#true} is VALID [2020-07-18 05:14:58,844 INFO L280 TraceCheckUtils]: 26: Hoare triple {3948#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1005 {3948#true} is VALID [2020-07-18 05:14:58,844 INFO L280 TraceCheckUtils]: 27: Hoare triple {3948#true} ~end~0.base, ~end~0.offset := #t~mem5.base, #t~mem5.offset; {3948#true} is VALID [2020-07-18 05:14:58,844 INFO L280 TraceCheckUtils]: 28: Hoare triple {3948#true} havoc #t~mem5.base, #t~mem5.offset; {3948#true} is VALID [2020-07-18 05:14:58,846 INFO L280 TraceCheckUtils]: 29: Hoare triple {3948#true} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1006 {3955#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:14:58,847 INFO L280 TraceCheckUtils]: 30: Hoare triple {3955#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {3955#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:14:58,848 INFO L280 TraceCheckUtils]: 31: Hoare triple {3955#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} assume 0 != #t~nondet6; {3955#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:14:58,850 INFO L280 TraceCheckUtils]: 32: Hoare triple {3955#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} havoc #t~nondet6; {3955#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:14:58,851 INFO L280 TraceCheckUtils]: 33: Hoare triple {3955#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1010 {3955#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:14:58,853 INFO L280 TraceCheckUtils]: 34: Hoare triple {3955#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} SUMMARY for call #t~mem10 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1021-6 {3955#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:14:58,854 INFO L280 TraceCheckUtils]: 35: Hoare triple {3955#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} assume !!(~unnamed1~0~BLACK == #t~mem10); {3955#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:14:58,855 INFO L280 TraceCheckUtils]: 36: Hoare triple {3955#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} havoc #t~mem10; {3955#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:14:58,856 INFO L280 TraceCheckUtils]: 37: Hoare triple {3955#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} goto; {3955#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:14:58,857 INFO L280 TraceCheckUtils]: 38: Hoare triple {3955#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} SUMMARY for call #t~mem11.base, #t~mem11.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1022-6 {3956#(and (= |main_#t~mem11.offset| main_~null~0.offset) (= |main_#t~mem11.base| main_~null~0.base))} is VALID [2020-07-18 05:14:58,859 INFO L280 TraceCheckUtils]: 39: Hoare triple {3956#(and (= |main_#t~mem11.offset| main_~null~0.offset) (= |main_#t~mem11.base| main_~null~0.base))} assume !(~null~0.base == #t~mem11.base && ~null~0.offset == #t~mem11.offset); {3949#false} is VALID [2020-07-18 05:14:58,860 INFO L280 TraceCheckUtils]: 40: Hoare triple {3949#false} havoc #t~mem11.base, #t~mem11.offset; {3949#false} is VALID [2020-07-18 05:14:58,860 INFO L280 TraceCheckUtils]: 41: Hoare triple {3949#false} assume !false; {3949#false} is VALID [2020-07-18 05:14:58,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:14:58,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825736874] [2020-07-18 05:14:58,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:14:58,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-18 05:14:58,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265420003] [2020-07-18 05:14:58,864 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2020-07-18 05:14:58,864 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:14:58,865 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-18 05:14:58,909 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:58,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-18 05:14:58,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:14:58,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-18 05:14:58,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-18 05:14:58,911 INFO L87 Difference]: Start difference. First operand 107 states and 111 transitions. Second operand 5 states. [2020-07-18 05:14:59,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:59,869 INFO L93 Difference]: Finished difference Result 110 states and 114 transitions. [2020-07-18 05:14:59,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-18 05:14:59,869 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2020-07-18 05:14:59,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:14:59,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 05:14:59,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 106 transitions. [2020-07-18 05:14:59,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 05:14:59,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 106 transitions. [2020-07-18 05:14:59,877 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 106 transitions. [2020-07-18 05:15:00,023 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:00,026 INFO L225 Difference]: With dead ends: 110 [2020-07-18 05:15:00,026 INFO L226 Difference]: Without dead ends: 107 [2020-07-18 05:15:00,027 INFO L675 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 [2020-07-18 05:15:00,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-07-18 05:15:00,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 104. [2020-07-18 05:15:00,437 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:00,437 INFO L82 GeneralOperation]: Start isEquivalent. First operand 107 states. Second operand 104 states. [2020-07-18 05:15:00,437 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 104 states. [2020-07-18 05:15:00,438 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 104 states. [2020-07-18 05:15:00,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:00,441 INFO L93 Difference]: Finished difference Result 107 states and 111 transitions. [2020-07-18 05:15:00,441 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 111 transitions. [2020-07-18 05:15:00,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:00,442 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:00,442 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand 107 states. [2020-07-18 05:15:00,442 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 107 states. [2020-07-18 05:15:00,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:00,446 INFO L93 Difference]: Finished difference Result 107 states and 111 transitions. [2020-07-18 05:15:00,447 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 111 transitions. [2020-07-18 05:15:00,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:00,447 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:00,447 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:00,447 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:00,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-07-18 05:15:00,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 108 transitions. [2020-07-18 05:15:00,451 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 108 transitions. Word has length 42 [2020-07-18 05:15:00,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:00,452 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 108 transitions. [2020-07-18 05:15:00,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-18 05:15:00,452 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 104 states and 108 transitions. [2020-07-18 05:15:00,635 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:00,636 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 108 transitions. [2020-07-18 05:15:00,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-07-18 05:15:00,637 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:00,637 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:15:00,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-18 05:15:00,637 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:00,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:00,638 INFO L82 PathProgramCache]: Analyzing trace with hash -41137780, now seen corresponding path program 1 times [2020-07-18 05:15:00,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:00,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1936700786] [2020-07-18 05:15:00,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:00,930 INFO L280 TraceCheckUtils]: 0: Hoare triple {4622#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {4604#true} is VALID [2020-07-18 05:15:00,931 INFO L280 TraceCheckUtils]: 1: Hoare triple {4604#true} #valid := #valid[0 := 0]; {4604#true} is VALID [2020-07-18 05:15:00,931 INFO L280 TraceCheckUtils]: 2: Hoare triple {4604#true} assume 0 < #StackHeapBarrier; {4604#true} is VALID [2020-07-18 05:15:00,931 INFO L280 TraceCheckUtils]: 3: Hoare triple {4604#true} assume true; {4604#true} is VALID [2020-07-18 05:15:00,931 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4604#true} {4604#true} #260#return; {4604#true} is VALID [2020-07-18 05:15:00,933 INFO L263 TraceCheckUtils]: 0: Hoare triple {4604#true} call ULTIMATE.init(); {4622#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:00,933 INFO L280 TraceCheckUtils]: 1: Hoare triple {4622#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {4604#true} is VALID [2020-07-18 05:15:00,933 INFO L280 TraceCheckUtils]: 2: Hoare triple {4604#true} #valid := #valid[0 := 0]; {4604#true} is VALID [2020-07-18 05:15:00,933 INFO L280 TraceCheckUtils]: 3: Hoare triple {4604#true} assume 0 < #StackHeapBarrier; {4604#true} is VALID [2020-07-18 05:15:00,934 INFO L280 TraceCheckUtils]: 4: Hoare triple {4604#true} assume true; {4604#true} is VALID [2020-07-18 05:15:00,934 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4604#true} {4604#true} #260#return; {4604#true} is VALID [2020-07-18 05:15:00,934 INFO L263 TraceCheckUtils]: 6: Hoare triple {4604#true} call #t~ret21 := main(); {4604#true} is VALID [2020-07-18 05:15:00,936 INFO L280 TraceCheckUtils]: 7: Hoare triple {4604#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(12); srcloc: mainENTRY {4611#(= 1 (select |#valid| |main_#t~malloc0.base|))} is VALID [2020-07-18 05:15:00,936 INFO L280 TraceCheckUtils]: 8: Hoare triple {4611#(= 1 (select |#valid| |main_#t~malloc0.base|))} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {4612#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:00,937 INFO L280 TraceCheckUtils]: 9: Hoare triple {4612#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, ~null~0.offset, 4); srcloc: L988 {4612#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:00,938 INFO L280 TraceCheckUtils]: 10: Hoare triple {4612#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, 4 + ~null~0.offset, 4); srcloc: L988-1 {4612#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:00,938 INFO L280 TraceCheckUtils]: 11: Hoare triple {4612#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~null~0.base, 8 + ~null~0.offset, 4); srcloc: L989 {4612#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:00,939 INFO L280 TraceCheckUtils]: 12: Hoare triple {4612#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(12); srcloc: L990 {4613#(and (= 1 (select |#valid| |main_#t~malloc1.base|)) (= 1 (select |#valid| main_~null~0.base)))} is VALID [2020-07-18 05:15:00,940 INFO L280 TraceCheckUtils]: 13: Hoare triple {4613#(and (= 1 (select |#valid| |main_#t~malloc1.base|)) (= 1 (select |#valid| main_~null~0.base)))} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {4614#(and (= 1 (select |#valid| main_~list~0.base)) (= 1 (select |#valid| main_~null~0.base)))} is VALID [2020-07-18 05:15:00,941 INFO L280 TraceCheckUtils]: 14: Hoare triple {4614#(and (= 1 (select |#valid| main_~list~0.base)) (= 1 (select |#valid| main_~null~0.base)))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, ~list~0.offset, 4); srcloc: L993 {4614#(and (= 1 (select |#valid| main_~list~0.base)) (= 1 (select |#valid| main_~null~0.base)))} is VALID [2020-07-18 05:15:00,942 INFO L280 TraceCheckUtils]: 15: Hoare triple {4614#(and (= 1 (select |#valid| main_~list~0.base)) (= 1 (select |#valid| main_~null~0.base)))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-1 {4614#(and (= 1 (select |#valid| main_~list~0.base)) (= 1 (select |#valid| main_~null~0.base)))} is VALID [2020-07-18 05:15:00,942 INFO L280 TraceCheckUtils]: 16: Hoare triple {4614#(and (= 1 (select |#valid| main_~list~0.base)) (= 1 (select |#valid| main_~null~0.base)))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~list~0.base, 8 + ~list~0.offset, 4); srcloc: L994 {4614#(and (= 1 (select |#valid| main_~list~0.base)) (= 1 (select |#valid| main_~null~0.base)))} is VALID [2020-07-18 05:15:00,944 INFO L280 TraceCheckUtils]: 17: Hoare triple {4614#(and (= 1 (select |#valid| main_~list~0.base)) (= 1 (select |#valid| main_~null~0.base)))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {4615#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:00,951 INFO L280 TraceCheckUtils]: 18: Hoare triple {4615#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {4615#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:00,952 INFO L280 TraceCheckUtils]: 19: Hoare triple {4615#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} assume !!(0 != #t~nondet2); {4615#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:00,953 INFO L280 TraceCheckUtils]: 20: Hoare triple {4615#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} havoc #t~nondet2; {4615#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:00,955 INFO L280 TraceCheckUtils]: 21: Hoare triple {4615#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(12); srcloc: L1003 {4616#(and (not (= |main_#t~malloc3.base| main_~end~0.base)) (not (= |main_#t~malloc3.base| main_~null~0.base)))} is VALID [2020-07-18 05:15:00,957 INFO L280 TraceCheckUtils]: 22: Hoare triple {4616#(and (not (= |main_#t~malloc3.base| main_~end~0.base)) (not (= |main_#t~malloc3.base| main_~null~0.base)))} SUMMARY for call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1003-1 {4617#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)))} is VALID [2020-07-18 05:15:00,959 INFO L280 TraceCheckUtils]: 23: Hoare triple {4617#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1003-2 {4618#(and (not (= |main_#t~mem4.base| main_~end~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)))} is VALID [2020-07-18 05:15:00,963 INFO L280 TraceCheckUtils]: 24: Hoare triple {4618#(and (not (= |main_#t~mem4.base| main_~end~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)))} SUMMARY for call write~$Pointer$(~end~0.base, ~end~0.offset, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L1004 {4619#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} is VALID [2020-07-18 05:15:00,968 INFO L280 TraceCheckUtils]: 25: Hoare triple {4619#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} havoc #t~mem4.base, #t~mem4.offset; {4619#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} is VALID [2020-07-18 05:15:00,969 INFO L280 TraceCheckUtils]: 26: Hoare triple {4619#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1005 {4620#(not (= |main_#t~mem5.base| main_~null~0.base))} is VALID [2020-07-18 05:15:00,970 INFO L280 TraceCheckUtils]: 27: Hoare triple {4620#(not (= |main_#t~mem5.base| main_~null~0.base))} ~end~0.base, ~end~0.offset := #t~mem5.base, #t~mem5.offset; {4621#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:00,971 INFO L280 TraceCheckUtils]: 28: Hoare triple {4621#(not (= main_~null~0.base main_~end~0.base))} havoc #t~mem5.base, #t~mem5.offset; {4621#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:00,972 INFO L280 TraceCheckUtils]: 29: Hoare triple {4621#(not (= main_~null~0.base main_~end~0.base))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1006 {4621#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:00,972 INFO L280 TraceCheckUtils]: 30: Hoare triple {4621#(not (= main_~null~0.base main_~end~0.base))} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {4621#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:00,973 INFO L280 TraceCheckUtils]: 31: Hoare triple {4621#(not (= main_~null~0.base main_~end~0.base))} assume 0 != #t~nondet6; {4621#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:00,973 INFO L280 TraceCheckUtils]: 32: Hoare triple {4621#(not (= main_~null~0.base main_~end~0.base))} havoc #t~nondet6; {4621#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:00,974 INFO L280 TraceCheckUtils]: 33: Hoare triple {4621#(not (= main_~null~0.base main_~end~0.base))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1010 {4621#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:00,975 INFO L280 TraceCheckUtils]: 34: Hoare triple {4621#(not (= main_~null~0.base main_~end~0.base))} SUMMARY for call #t~mem10 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1021-6 {4621#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:00,975 INFO L280 TraceCheckUtils]: 35: Hoare triple {4621#(not (= main_~null~0.base main_~end~0.base))} assume !!(~unnamed1~0~BLACK == #t~mem10); {4621#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:00,976 INFO L280 TraceCheckUtils]: 36: Hoare triple {4621#(not (= main_~null~0.base main_~end~0.base))} havoc #t~mem10; {4621#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:00,976 INFO L280 TraceCheckUtils]: 37: Hoare triple {4621#(not (= main_~null~0.base main_~end~0.base))} goto; {4621#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:00,977 INFO L280 TraceCheckUtils]: 38: Hoare triple {4621#(not (= main_~null~0.base main_~end~0.base))} SUMMARY for call #t~mem11.base, #t~mem11.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1022-6 {4621#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:00,977 INFO L280 TraceCheckUtils]: 39: Hoare triple {4621#(not (= main_~null~0.base main_~end~0.base))} assume !!(~null~0.base == #t~mem11.base && ~null~0.offset == #t~mem11.offset); {4621#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:00,978 INFO L280 TraceCheckUtils]: 40: Hoare triple {4621#(not (= main_~null~0.base main_~end~0.base))} havoc #t~mem11.base, #t~mem11.offset; {4621#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:00,979 INFO L280 TraceCheckUtils]: 41: Hoare triple {4621#(not (= main_~null~0.base main_~end~0.base))} goto; {4621#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:00,980 INFO L280 TraceCheckUtils]: 42: Hoare triple {4621#(not (= main_~null~0.base main_~end~0.base))} assume !(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {4605#false} is VALID [2020-07-18 05:15:00,980 INFO L280 TraceCheckUtils]: 43: Hoare triple {4605#false} assume !false; {4605#false} is VALID [2020-07-18 05:15:00,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:15:00,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1936700786] [2020-07-18 05:15:00,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:15:00,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-18 05:15:00,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115180088] [2020-07-18 05:15:00,986 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 44 [2020-07-18 05:15:00,986 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:00,986 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-18 05:15:01,027 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:01,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-18 05:15:01,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:01,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-18 05:15:01,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-07-18 05:15:01,029 INFO L87 Difference]: Start difference. First operand 104 states and 108 transitions. Second operand 14 states. [2020-07-18 05:15:04,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:04,069 INFO L93 Difference]: Finished difference Result 154 states and 160 transitions. [2020-07-18 05:15:04,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-18 05:15:04,069 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 44 [2020-07-18 05:15:04,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:04,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-18 05:15:04,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 155 transitions. [2020-07-18 05:15:04,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-18 05:15:04,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 155 transitions. [2020-07-18 05:15:04,080 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 155 transitions. [2020-07-18 05:15:04,272 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 155 edges. 155 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:04,276 INFO L225 Difference]: With dead ends: 154 [2020-07-18 05:15:04,276 INFO L226 Difference]: Without dead ends: 152 [2020-07-18 05:15:04,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2020-07-18 05:15:04,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-07-18 05:15:04,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 127. [2020-07-18 05:15:04,932 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:04,932 INFO L82 GeneralOperation]: Start isEquivalent. First operand 152 states. Second operand 127 states. [2020-07-18 05:15:04,932 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand 127 states. [2020-07-18 05:15:04,932 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 127 states. [2020-07-18 05:15:04,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:04,938 INFO L93 Difference]: Finished difference Result 152 states and 158 transitions. [2020-07-18 05:15:04,938 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 158 transitions. [2020-07-18 05:15:04,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:04,938 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:04,939 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 152 states. [2020-07-18 05:15:04,939 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 152 states. [2020-07-18 05:15:04,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:04,943 INFO L93 Difference]: Finished difference Result 152 states and 158 transitions. [2020-07-18 05:15:04,944 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 158 transitions. [2020-07-18 05:15:04,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:04,944 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:04,944 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:04,944 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:04,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-18 05:15:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 132 transitions. [2020-07-18 05:15:04,948 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 132 transitions. Word has length 44 [2020-07-18 05:15:04,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:04,949 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 132 transitions. [2020-07-18 05:15:04,949 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-18 05:15:04,949 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 127 states and 132 transitions. [2020-07-18 05:15:05,215 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 132 edges. 132 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:05,216 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 132 transitions. [2020-07-18 05:15:05,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-18 05:15:05,216 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:05,216 INFO L422 BasicCegarLoop]: trace histogram [2, 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] [2020-07-18 05:15:05,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-18 05:15:05,217 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:05,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:05,218 INFO L82 PathProgramCache]: Analyzing trace with hash 784866741, now seen corresponding path program 1 times [2020-07-18 05:15:05,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:05,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659677297] [2020-07-18 05:15:05,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:05,399 INFO L280 TraceCheckUtils]: 0: Hoare triple {5522#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {5511#true} is VALID [2020-07-18 05:15:05,400 INFO L280 TraceCheckUtils]: 1: Hoare triple {5511#true} #valid := #valid[0 := 0]; {5511#true} is VALID [2020-07-18 05:15:05,400 INFO L280 TraceCheckUtils]: 2: Hoare triple {5511#true} assume 0 < #StackHeapBarrier; {5511#true} is VALID [2020-07-18 05:15:05,400 INFO L280 TraceCheckUtils]: 3: Hoare triple {5511#true} assume true; {5511#true} is VALID [2020-07-18 05:15:05,400 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5511#true} {5511#true} #260#return; {5511#true} is VALID [2020-07-18 05:15:05,401 INFO L263 TraceCheckUtils]: 0: Hoare triple {5511#true} call ULTIMATE.init(); {5522#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:05,401 INFO L280 TraceCheckUtils]: 1: Hoare triple {5522#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {5511#true} is VALID [2020-07-18 05:15:05,401 INFO L280 TraceCheckUtils]: 2: Hoare triple {5511#true} #valid := #valid[0 := 0]; {5511#true} is VALID [2020-07-18 05:15:05,402 INFO L280 TraceCheckUtils]: 3: Hoare triple {5511#true} assume 0 < #StackHeapBarrier; {5511#true} is VALID [2020-07-18 05:15:05,402 INFO L280 TraceCheckUtils]: 4: Hoare triple {5511#true} assume true; {5511#true} is VALID [2020-07-18 05:15:05,402 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5511#true} {5511#true} #260#return; {5511#true} is VALID [2020-07-18 05:15:05,402 INFO L263 TraceCheckUtils]: 6: Hoare triple {5511#true} call #t~ret21 := main(); {5511#true} is VALID [2020-07-18 05:15:05,403 INFO L280 TraceCheckUtils]: 7: Hoare triple {5511#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(12); srcloc: mainENTRY {5511#true} is VALID [2020-07-18 05:15:05,403 INFO L280 TraceCheckUtils]: 8: Hoare triple {5511#true} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {5511#true} is VALID [2020-07-18 05:15:05,403 INFO L280 TraceCheckUtils]: 9: Hoare triple {5511#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, ~null~0.offset, 4); srcloc: L988 {5511#true} is VALID [2020-07-18 05:15:05,403 INFO L280 TraceCheckUtils]: 10: Hoare triple {5511#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, 4 + ~null~0.offset, 4); srcloc: L988-1 {5511#true} is VALID [2020-07-18 05:15:05,404 INFO L280 TraceCheckUtils]: 11: Hoare triple {5511#true} SUMMARY for call write~int(~unnamed1~0~BLACK, ~null~0.base, 8 + ~null~0.offset, 4); srcloc: L989 {5511#true} is VALID [2020-07-18 05:15:05,404 INFO L280 TraceCheckUtils]: 12: Hoare triple {5511#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(12); srcloc: L990 {5511#true} is VALID [2020-07-18 05:15:05,404 INFO L280 TraceCheckUtils]: 13: Hoare triple {5511#true} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {5511#true} is VALID [2020-07-18 05:15:05,406 INFO L280 TraceCheckUtils]: 14: Hoare triple {5511#true} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, ~list~0.offset, 4); srcloc: L993 {5518#(and (= main_~null~0.base (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.base) main_~list~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.offset) main_~list~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:05,408 INFO L280 TraceCheckUtils]: 15: Hoare triple {5518#(and (= main_~null~0.base (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.base) main_~list~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.offset) main_~list~0.offset) main_~null~0.offset))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-1 {5518#(and (= main_~null~0.base (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.base) main_~list~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.offset) main_~list~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:05,409 INFO L280 TraceCheckUtils]: 16: Hoare triple {5518#(and (= main_~null~0.base (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.base) main_~list~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.offset) main_~list~0.offset) main_~null~0.offset))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~list~0.base, 8 + ~list~0.offset, 4); srcloc: L994 {5518#(and (= main_~null~0.base (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.base) main_~list~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.offset) main_~list~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:05,411 INFO L280 TraceCheckUtils]: 17: Hoare triple {5518#(and (= main_~null~0.base (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.base) main_~list~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.offset) main_~list~0.offset) main_~null~0.offset))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {5518#(and (= main_~null~0.base (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.base) main_~list~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.offset) main_~list~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:05,413 INFO L280 TraceCheckUtils]: 18: Hoare triple {5518#(and (= main_~null~0.base (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.base) main_~list~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.offset) main_~list~0.offset) main_~null~0.offset))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {5518#(and (= main_~null~0.base (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.base) main_~list~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.offset) main_~list~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:05,416 INFO L280 TraceCheckUtils]: 19: Hoare triple {5518#(and (= main_~null~0.base (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.base) main_~list~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.offset) main_~list~0.offset) main_~null~0.offset))} assume !(0 != #t~nondet2); {5518#(and (= main_~null~0.base (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.base) main_~list~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.offset) main_~list~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:05,417 INFO L280 TraceCheckUtils]: 20: Hoare triple {5518#(and (= main_~null~0.base (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.base) main_~list~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.offset) main_~list~0.offset) main_~null~0.offset))} havoc #t~nondet2; {5518#(and (= main_~null~0.base (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.base) main_~list~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.offset) main_~list~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:05,418 INFO L280 TraceCheckUtils]: 21: Hoare triple {5518#(and (= main_~null~0.base (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.base) main_~list~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.offset) main_~list~0.offset) main_~null~0.offset))} ~end~0.base, ~end~0.offset := ~null~0.base, ~null~0.offset; {5518#(and (= main_~null~0.base (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.base) main_~list~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.offset) main_~list~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:05,420 INFO L280 TraceCheckUtils]: 22: Hoare triple {5518#(and (= main_~null~0.base (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.base) main_~list~0.offset)) (= (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) main_~null~0.offset) main_~list~0.offset) main_~null~0.offset))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:05,421 INFO L280 TraceCheckUtils]: 23: Hoare triple {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:05,422 INFO L280 TraceCheckUtils]: 24: Hoare triple {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} goto; {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:05,423 INFO L280 TraceCheckUtils]: 25: Hoare triple {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} SUMMARY for call #t~mem12 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1031-6 {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:05,424 INFO L280 TraceCheckUtils]: 26: Hoare triple {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} assume !!(~unnamed1~0~BLACK == #t~mem12); {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:05,425 INFO L280 TraceCheckUtils]: 27: Hoare triple {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} havoc #t~mem12; {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:05,425 INFO L280 TraceCheckUtils]: 28: Hoare triple {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} goto; {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:05,426 INFO L280 TraceCheckUtils]: 29: Hoare triple {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:05,427 INFO L280 TraceCheckUtils]: 30: Hoare triple {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} SUMMARY for call #t~mem13 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1034 {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:05,428 INFO L280 TraceCheckUtils]: 31: Hoare triple {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} assume !(~unnamed1~0~RED == #t~mem13); {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:05,428 INFO L280 TraceCheckUtils]: 32: Hoare triple {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} havoc #t~mem13; {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:05,429 INFO L280 TraceCheckUtils]: 33: Hoare triple {5519#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} SUMMARY for call #t~mem16.base, #t~mem16.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1034-4 {5520#(and (= |main_#t~mem16.offset| main_~null~0.offset) (= |main_#t~mem16.base| main_~null~0.base))} is VALID [2020-07-18 05:15:05,430 INFO L280 TraceCheckUtils]: 34: Hoare triple {5520#(and (= |main_#t~mem16.offset| main_~null~0.offset) (= |main_#t~mem16.base| main_~null~0.base))} ~end~0.base, ~end~0.offset := #t~mem16.base, #t~mem16.offset; {5521#(and (= main_~end~0.offset main_~null~0.offset) (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:05,430 INFO L280 TraceCheckUtils]: 35: Hoare triple {5521#(and (= main_~end~0.offset main_~null~0.offset) (= main_~null~0.base main_~end~0.base))} havoc #t~mem16.base, #t~mem16.offset; {5521#(and (= main_~end~0.offset main_~null~0.offset) (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:05,431 INFO L280 TraceCheckUtils]: 36: Hoare triple {5521#(and (= main_~end~0.offset main_~null~0.offset) (= main_~null~0.base main_~end~0.base))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {5512#false} is VALID [2020-07-18 05:15:05,431 INFO L280 TraceCheckUtils]: 37: Hoare triple {5512#false} SUMMARY for call #t~mem13 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1034 {5512#false} is VALID [2020-07-18 05:15:05,432 INFO L280 TraceCheckUtils]: 38: Hoare triple {5512#false} assume ~unnamed1~0~RED == #t~mem13; {5512#false} is VALID [2020-07-18 05:15:05,432 INFO L280 TraceCheckUtils]: 39: Hoare triple {5512#false} havoc #t~mem13; {5512#false} is VALID [2020-07-18 05:15:05,432 INFO L280 TraceCheckUtils]: 40: Hoare triple {5512#false} SUMMARY for call #t~mem14.base, #t~mem14.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1036 {5512#false} is VALID [2020-07-18 05:15:05,432 INFO L280 TraceCheckUtils]: 41: Hoare triple {5512#false} ~end~0.base, ~end~0.offset := #t~mem14.base, #t~mem14.offset; {5512#false} is VALID [2020-07-18 05:15:05,432 INFO L280 TraceCheckUtils]: 42: Hoare triple {5512#false} havoc #t~mem14.base, #t~mem14.offset; {5512#false} is VALID [2020-07-18 05:15:05,433 INFO L280 TraceCheckUtils]: 43: Hoare triple {5512#false} assume !(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {5512#false} is VALID [2020-07-18 05:15:05,433 INFO L280 TraceCheckUtils]: 44: Hoare triple {5512#false} assume !false; {5512#false} is VALID [2020-07-18 05:15:05,439 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:15:05,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659677297] [2020-07-18 05:15:05,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 05:15:05,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-18 05:15:05,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443375643] [2020-07-18 05:15:05,440 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2020-07-18 05:15:05,440 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:05,441 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 05:15:05,487 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:05,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 05:15:05,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:05,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 05:15:05,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-18 05:15:05,489 INFO L87 Difference]: Start difference. First operand 127 states and 132 transitions. Second operand 7 states. [2020-07-18 05:15:07,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:07,058 INFO L93 Difference]: Finished difference Result 159 states and 165 transitions. [2020-07-18 05:15:07,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-18 05:15:07,058 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2020-07-18 05:15:07,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:07,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 05:15:07,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 141 transitions. [2020-07-18 05:15:07,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 05:15:07,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 141 transitions. [2020-07-18 05:15:07,066 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 141 transitions. [2020-07-18 05:15:07,249 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 141 edges. 141 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:07,252 INFO L225 Difference]: With dead ends: 159 [2020-07-18 05:15:07,252 INFO L226 Difference]: Without dead ends: 120 [2020-07-18 05:15:07,253 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-07-18 05:15:07,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-18 05:15:07,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-07-18 05:15:07,834 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:07,835 INFO L82 GeneralOperation]: Start isEquivalent. First operand 120 states. Second operand 120 states. [2020-07-18 05:15:07,835 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand 120 states. [2020-07-18 05:15:07,835 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 120 states. [2020-07-18 05:15:07,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:07,839 INFO L93 Difference]: Finished difference Result 120 states and 124 transitions. [2020-07-18 05:15:07,839 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 124 transitions. [2020-07-18 05:15:07,839 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:07,840 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:07,840 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand 120 states. [2020-07-18 05:15:07,840 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 120 states. [2020-07-18 05:15:07,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:07,844 INFO L93 Difference]: Finished difference Result 120 states and 124 transitions. [2020-07-18 05:15:07,844 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 124 transitions. [2020-07-18 05:15:07,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:07,844 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:07,845 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:07,845 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:07,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-07-18 05:15:07,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 124 transitions. [2020-07-18 05:15:07,848 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 124 transitions. Word has length 45 [2020-07-18 05:15:07,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:07,849 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 124 transitions. [2020-07-18 05:15:07,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 05:15:07,849 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 120 states and 124 transitions. [2020-07-18 05:15:08,115 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:08,115 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 124 transitions. [2020-07-18 05:15:08,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-18 05:15:08,116 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:08,116 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:15:08,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-18 05:15:08,117 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:08,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:08,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1051665877, now seen corresponding path program 1 times [2020-07-18 05:15:08,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:08,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1835241531] [2020-07-18 05:15:08,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:08,622 INFO L280 TraceCheckUtils]: 0: Hoare triple {6356#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {6333#true} is VALID [2020-07-18 05:15:08,623 INFO L280 TraceCheckUtils]: 1: Hoare triple {6333#true} #valid := #valid[0 := 0]; {6333#true} is VALID [2020-07-18 05:15:08,623 INFO L280 TraceCheckUtils]: 2: Hoare triple {6333#true} assume 0 < #StackHeapBarrier; {6333#true} is VALID [2020-07-18 05:15:08,623 INFO L280 TraceCheckUtils]: 3: Hoare triple {6333#true} assume true; {6333#true} is VALID [2020-07-18 05:15:08,623 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6333#true} {6333#true} #260#return; {6333#true} is VALID [2020-07-18 05:15:08,624 INFO L263 TraceCheckUtils]: 0: Hoare triple {6333#true} call ULTIMATE.init(); {6356#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:08,625 INFO L280 TraceCheckUtils]: 1: Hoare triple {6356#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {6333#true} is VALID [2020-07-18 05:15:08,625 INFO L280 TraceCheckUtils]: 2: Hoare triple {6333#true} #valid := #valid[0 := 0]; {6333#true} is VALID [2020-07-18 05:15:08,625 INFO L280 TraceCheckUtils]: 3: Hoare triple {6333#true} assume 0 < #StackHeapBarrier; {6333#true} is VALID [2020-07-18 05:15:08,625 INFO L280 TraceCheckUtils]: 4: Hoare triple {6333#true} assume true; {6333#true} is VALID [2020-07-18 05:15:08,625 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6333#true} {6333#true} #260#return; {6333#true} is VALID [2020-07-18 05:15:08,626 INFO L263 TraceCheckUtils]: 6: Hoare triple {6333#true} call #t~ret21 := main(); {6333#true} is VALID [2020-07-18 05:15:08,627 INFO L280 TraceCheckUtils]: 7: Hoare triple {6333#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(12); srcloc: mainENTRY {6340#(= 1 (select |#valid| |main_#t~malloc0.base|))} is VALID [2020-07-18 05:15:08,628 INFO L280 TraceCheckUtils]: 8: Hoare triple {6340#(= 1 (select |#valid| |main_#t~malloc0.base|))} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {6341#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:08,628 INFO L280 TraceCheckUtils]: 9: Hoare triple {6341#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, ~null~0.offset, 4); srcloc: L988 {6341#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:08,629 INFO L280 TraceCheckUtils]: 10: Hoare triple {6341#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, 4 + ~null~0.offset, 4); srcloc: L988-1 {6341#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:08,629 INFO L280 TraceCheckUtils]: 11: Hoare triple {6341#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~null~0.base, 8 + ~null~0.offset, 4); srcloc: L989 {6341#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:08,630 INFO L280 TraceCheckUtils]: 12: Hoare triple {6341#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(12); srcloc: L990 {6342#(and (= 1 (select |#valid| |main_#t~malloc1.base|)) (= 1 (select |#valid| main_~null~0.base)))} is VALID [2020-07-18 05:15:08,631 INFO L280 TraceCheckUtils]: 13: Hoare triple {6342#(and (= 1 (select |#valid| |main_#t~malloc1.base|)) (= 1 (select |#valid| main_~null~0.base)))} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {6343#(and (= 1 (select |#valid| main_~list~0.base)) (= 1 (select |#valid| main_~null~0.base)))} is VALID [2020-07-18 05:15:08,632 INFO L280 TraceCheckUtils]: 14: Hoare triple {6343#(and (= 1 (select |#valid| main_~list~0.base)) (= 1 (select |#valid| main_~null~0.base)))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, ~list~0.offset, 4); srcloc: L993 {6343#(and (= 1 (select |#valid| main_~list~0.base)) (= 1 (select |#valid| main_~null~0.base)))} is VALID [2020-07-18 05:15:08,632 INFO L280 TraceCheckUtils]: 15: Hoare triple {6343#(and (= 1 (select |#valid| main_~list~0.base)) (= 1 (select |#valid| main_~null~0.base)))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-1 {6343#(and (= 1 (select |#valid| main_~list~0.base)) (= 1 (select |#valid| main_~null~0.base)))} is VALID [2020-07-18 05:15:08,633 INFO L280 TraceCheckUtils]: 16: Hoare triple {6343#(and (= 1 (select |#valid| main_~list~0.base)) (= 1 (select |#valid| main_~null~0.base)))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~list~0.base, 8 + ~list~0.offset, 4); srcloc: L994 {6343#(and (= 1 (select |#valid| main_~list~0.base)) (= 1 (select |#valid| main_~null~0.base)))} is VALID [2020-07-18 05:15:08,634 INFO L280 TraceCheckUtils]: 17: Hoare triple {6343#(and (= 1 (select |#valid| main_~list~0.base)) (= 1 (select |#valid| main_~null~0.base)))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:08,635 INFO L280 TraceCheckUtils]: 18: Hoare triple {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:08,635 INFO L280 TraceCheckUtils]: 19: Hoare triple {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} assume !!(0 != #t~nondet2); {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:08,636 INFO L280 TraceCheckUtils]: 20: Hoare triple {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} havoc #t~nondet2; {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:08,637 INFO L280 TraceCheckUtils]: 21: Hoare triple {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(12); srcloc: L1003 {6345#(and (= 1 (select |#valid| |main_#t~malloc3.base|)) (not (= |main_#t~malloc3.base| main_~end~0.base)) (= 1 (select |#valid| main_~null~0.base)))} is VALID [2020-07-18 05:15:08,638 INFO L280 TraceCheckUtils]: 22: Hoare triple {6345#(and (= 1 (select |#valid| |main_#t~malloc3.base|)) (not (= |main_#t~malloc3.base| main_~end~0.base)) (= 1 (select |#valid| main_~null~0.base)))} SUMMARY for call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1003-1 {6346#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))} is VALID [2020-07-18 05:15:08,639 INFO L280 TraceCheckUtils]: 23: Hoare triple {6346#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1003-2 {6347#(and (not (= |main_#t~mem4.base| main_~end~0.base)) (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))} is VALID [2020-07-18 05:15:08,640 INFO L280 TraceCheckUtils]: 24: Hoare triple {6347#(and (not (= |main_#t~mem4.base| main_~end~0.base)) (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))} SUMMARY for call write~$Pointer$(~end~0.base, ~end~0.offset, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L1004 {6348#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))} is VALID [2020-07-18 05:15:08,641 INFO L280 TraceCheckUtils]: 25: Hoare triple {6348#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))} havoc #t~mem4.base, #t~mem4.offset; {6348#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))} is VALID [2020-07-18 05:15:08,642 INFO L280 TraceCheckUtils]: 26: Hoare triple {6348#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1005 {6349#(and (= 1 (select |#valid| main_~null~0.base)) (= (select |#valid| |main_#t~mem5.base|) 1))} is VALID [2020-07-18 05:15:08,642 INFO L280 TraceCheckUtils]: 27: Hoare triple {6349#(and (= 1 (select |#valid| main_~null~0.base)) (= (select |#valid| |main_#t~mem5.base|) 1))} ~end~0.base, ~end~0.offset := #t~mem5.base, #t~mem5.offset; {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:08,643 INFO L280 TraceCheckUtils]: 28: Hoare triple {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} havoc #t~mem5.base, #t~mem5.offset; {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:08,644 INFO L280 TraceCheckUtils]: 29: Hoare triple {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1006 {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:08,644 INFO L280 TraceCheckUtils]: 30: Hoare triple {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:08,645 INFO L280 TraceCheckUtils]: 31: Hoare triple {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} assume !(0 != #t~nondet6); {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:08,645 INFO L280 TraceCheckUtils]: 32: Hoare triple {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} havoc #t~nondet6; {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:08,646 INFO L280 TraceCheckUtils]: 33: Hoare triple {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call write~int(~unnamed1~0~RED, ~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1014 {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:08,647 INFO L280 TraceCheckUtils]: 34: Hoare triple {6344#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call #t~malloc7.base, #t~malloc7.offset := #Ultimate.allocOnHeap(12); srcloc: L1014-1 {6350#(and (not (= |main_#t~malloc7.base| main_~null~0.base)) (not (= |main_#t~malloc7.base| main_~end~0.base)))} is VALID [2020-07-18 05:15:08,648 INFO L280 TraceCheckUtils]: 35: Hoare triple {6350#(and (not (= |main_#t~malloc7.base| main_~null~0.base)) (not (= |main_#t~malloc7.base| main_~end~0.base)))} SUMMARY for call write~$Pointer$(#t~malloc7.base, #t~malloc7.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1015 {6351#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)))} is VALID [2020-07-18 05:15:08,655 INFO L280 TraceCheckUtils]: 36: Hoare triple {6351#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)))} SUMMARY for call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1015-1 {6352#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)) (not (= |main_#t~mem8.base| main_~end~0.base)))} is VALID [2020-07-18 05:15:08,656 INFO L280 TraceCheckUtils]: 37: Hoare triple {6352#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)) (not (= |main_#t~mem8.base| main_~end~0.base)))} SUMMARY for call write~$Pointer$(~end~0.base, ~end~0.offset, #t~mem8.base, 4 + #t~mem8.offset, 4); srcloc: L1016 {6353#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} is VALID [2020-07-18 05:15:08,660 INFO L280 TraceCheckUtils]: 38: Hoare triple {6353#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} havoc #t~mem8.base, #t~mem8.offset; {6353#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} is VALID [2020-07-18 05:15:08,660 INFO L280 TraceCheckUtils]: 39: Hoare triple {6353#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} SUMMARY for call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1017 {6354#(not (= |main_#t~mem9.base| main_~null~0.base))} is VALID [2020-07-18 05:15:08,661 INFO L280 TraceCheckUtils]: 40: Hoare triple {6354#(not (= |main_#t~mem9.base| main_~null~0.base))} ~end~0.base, ~end~0.offset := #t~mem9.base, #t~mem9.offset; {6355#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:08,661 INFO L280 TraceCheckUtils]: 41: Hoare triple {6355#(not (= main_~null~0.base main_~end~0.base))} havoc #t~mem9.base, #t~mem9.offset; {6355#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:08,662 INFO L280 TraceCheckUtils]: 42: Hoare triple {6355#(not (= main_~null~0.base main_~end~0.base))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1018 {6355#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:08,662 INFO L280 TraceCheckUtils]: 43: Hoare triple {6355#(not (= main_~null~0.base main_~end~0.base))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1018-1 {6355#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:08,662 INFO L280 TraceCheckUtils]: 44: Hoare triple {6355#(not (= main_~null~0.base main_~end~0.base))} SUMMARY for call #t~mem10 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1021-6 {6355#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:08,663 INFO L280 TraceCheckUtils]: 45: Hoare triple {6355#(not (= main_~null~0.base main_~end~0.base))} assume !!(~unnamed1~0~BLACK == #t~mem10); {6355#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:08,664 INFO L280 TraceCheckUtils]: 46: Hoare triple {6355#(not (= main_~null~0.base main_~end~0.base))} havoc #t~mem10; {6355#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:08,664 INFO L280 TraceCheckUtils]: 47: Hoare triple {6355#(not (= main_~null~0.base main_~end~0.base))} goto; {6355#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:08,664 INFO L280 TraceCheckUtils]: 48: Hoare triple {6355#(not (= main_~null~0.base main_~end~0.base))} SUMMARY for call #t~mem11.base, #t~mem11.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1022-6 {6355#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:08,665 INFO L280 TraceCheckUtils]: 49: Hoare triple {6355#(not (= main_~null~0.base main_~end~0.base))} assume !!(~null~0.base == #t~mem11.base && ~null~0.offset == #t~mem11.offset); {6355#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:08,666 INFO L280 TraceCheckUtils]: 50: Hoare triple {6355#(not (= main_~null~0.base main_~end~0.base))} havoc #t~mem11.base, #t~mem11.offset; {6355#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:08,667 INFO L280 TraceCheckUtils]: 51: Hoare triple {6355#(not (= main_~null~0.base main_~end~0.base))} goto; {6355#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:08,667 INFO L280 TraceCheckUtils]: 52: Hoare triple {6355#(not (= main_~null~0.base main_~end~0.base))} assume !(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {6334#false} is VALID [2020-07-18 05:15:08,668 INFO L280 TraceCheckUtils]: 53: Hoare triple {6334#false} assume !false; {6334#false} is VALID [2020-07-18 05:15:08,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:15:08,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1835241531] [2020-07-18 05:15:08,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:15:08,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-18 05:15:08,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954415942] [2020-07-18 05:15:08,675 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 54 [2020-07-18 05:15:08,675 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:08,676 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states. [2020-07-18 05:15:08,744 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:08,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-18 05:15:08,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:08,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-18 05:15:08,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-07-18 05:15:08,746 INFO L87 Difference]: Start difference. First operand 120 states and 124 transitions. Second operand 19 states. [2020-07-18 05:15:13,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:13,844 INFO L93 Difference]: Finished difference Result 187 states and 195 transitions. [2020-07-18 05:15:13,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-18 05:15:13,844 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 54 [2020-07-18 05:15:13,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:13,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-18 05:15:13,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 174 transitions. [2020-07-18 05:15:13,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-18 05:15:13,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 174 transitions. [2020-07-18 05:15:13,851 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states and 174 transitions. [2020-07-18 05:15:14,122 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:14,127 INFO L225 Difference]: With dead ends: 187 [2020-07-18 05:15:14,127 INFO L226 Difference]: Without dead ends: 185 [2020-07-18 05:15:14,128 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=294, Invalid=1112, Unknown=0, NotChecked=0, Total=1406 [2020-07-18 05:15:14,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-07-18 05:15:15,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 167. [2020-07-18 05:15:15,063 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:15,063 INFO L82 GeneralOperation]: Start isEquivalent. First operand 185 states. Second operand 167 states. [2020-07-18 05:15:15,063 INFO L74 IsIncluded]: Start isIncluded. First operand 185 states. Second operand 167 states. [2020-07-18 05:15:15,063 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 167 states. [2020-07-18 05:15:15,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:15,070 INFO L93 Difference]: Finished difference Result 185 states and 193 transitions. [2020-07-18 05:15:15,070 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 193 transitions. [2020-07-18 05:15:15,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:15,071 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:15,071 INFO L74 IsIncluded]: Start isIncluded. First operand 167 states. Second operand 185 states. [2020-07-18 05:15:15,071 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 185 states. [2020-07-18 05:15:15,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:15,077 INFO L93 Difference]: Finished difference Result 185 states and 193 transitions. [2020-07-18 05:15:15,077 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 193 transitions. [2020-07-18 05:15:15,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:15,078 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:15,078 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:15,078 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:15,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-07-18 05:15:15,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 174 transitions. [2020-07-18 05:15:15,083 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 174 transitions. Word has length 54 [2020-07-18 05:15:15,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:15,083 INFO L479 AbstractCegarLoop]: Abstraction has 167 states and 174 transitions. [2020-07-18 05:15:15,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-18 05:15:15,084 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 167 states and 174 transitions. [2020-07-18 05:15:15,499 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:15,499 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 174 transitions. [2020-07-18 05:15:15,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-18 05:15:15,500 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:15,500 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:15:15,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-18 05:15:15,501 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:15,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:15,501 INFO L82 PathProgramCache]: Analyzing trace with hash 999535374, now seen corresponding path program 1 times [2020-07-18 05:15:15,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:15,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1853289516] [2020-07-18 05:15:15,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:16,221 INFO L280 TraceCheckUtils]: 0: Hoare triple {7496#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {7475#true} is VALID [2020-07-18 05:15:16,222 INFO L280 TraceCheckUtils]: 1: Hoare triple {7475#true} #valid := #valid[0 := 0]; {7475#true} is VALID [2020-07-18 05:15:16,222 INFO L280 TraceCheckUtils]: 2: Hoare triple {7475#true} assume 0 < #StackHeapBarrier; {7475#true} is VALID [2020-07-18 05:15:16,222 INFO L280 TraceCheckUtils]: 3: Hoare triple {7475#true} assume true; {7475#true} is VALID [2020-07-18 05:15:16,223 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {7475#true} {7475#true} #260#return; {7475#true} is VALID [2020-07-18 05:15:16,224 INFO L263 TraceCheckUtils]: 0: Hoare triple {7475#true} call ULTIMATE.init(); {7496#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:16,224 INFO L280 TraceCheckUtils]: 1: Hoare triple {7496#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {7475#true} is VALID [2020-07-18 05:15:16,224 INFO L280 TraceCheckUtils]: 2: Hoare triple {7475#true} #valid := #valid[0 := 0]; {7475#true} is VALID [2020-07-18 05:15:16,224 INFO L280 TraceCheckUtils]: 3: Hoare triple {7475#true} assume 0 < #StackHeapBarrier; {7475#true} is VALID [2020-07-18 05:15:16,224 INFO L280 TraceCheckUtils]: 4: Hoare triple {7475#true} assume true; {7475#true} is VALID [2020-07-18 05:15:16,225 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7475#true} {7475#true} #260#return; {7475#true} is VALID [2020-07-18 05:15:16,225 INFO L263 TraceCheckUtils]: 6: Hoare triple {7475#true} call #t~ret21 := main(); {7475#true} is VALID [2020-07-18 05:15:16,225 INFO L280 TraceCheckUtils]: 7: Hoare triple {7475#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(12); srcloc: mainENTRY {7482#(= 0 |main_#t~malloc0.offset|)} is VALID [2020-07-18 05:15:16,226 INFO L280 TraceCheckUtils]: 8: Hoare triple {7482#(= 0 |main_#t~malloc0.offset|)} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {7475#true} is VALID [2020-07-18 05:15:16,226 INFO L280 TraceCheckUtils]: 9: Hoare triple {7475#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, ~null~0.offset, 4); srcloc: L988 {7475#true} is VALID [2020-07-18 05:15:16,226 INFO L280 TraceCheckUtils]: 10: Hoare triple {7475#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, 4 + ~null~0.offset, 4); srcloc: L988-1 {7475#true} is VALID [2020-07-18 05:15:16,226 INFO L280 TraceCheckUtils]: 11: Hoare triple {7475#true} SUMMARY for call write~int(~unnamed1~0~BLACK, ~null~0.base, 8 + ~null~0.offset, 4); srcloc: L989 {7475#true} is VALID [2020-07-18 05:15:16,227 INFO L280 TraceCheckUtils]: 12: Hoare triple {7475#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(12); srcloc: L990 {7483#(and (= 1 (select |#valid| |main_#t~malloc1.base|)) (= 0 |main_#t~malloc1.offset|))} is VALID [2020-07-18 05:15:16,228 INFO L280 TraceCheckUtils]: 13: Hoare triple {7483#(and (= 1 (select |#valid| |main_#t~malloc1.base|)) (= 0 |main_#t~malloc1.offset|))} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {7484#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:15:16,229 INFO L280 TraceCheckUtils]: 14: Hoare triple {7484#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, ~list~0.offset, 4); srcloc: L993 {7484#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:15:16,230 INFO L280 TraceCheckUtils]: 15: Hoare triple {7484#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-1 {7484#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:15:16,231 INFO L280 TraceCheckUtils]: 16: Hoare triple {7484#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~list~0.base, 8 + ~list~0.offset, 4); srcloc: L994 {7485#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,232 INFO L280 TraceCheckUtils]: 17: Hoare triple {7485#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {7486#(and (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:16,233 INFO L280 TraceCheckUtils]: 18: Hoare triple {7486#(and (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {7486#(and (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:16,234 INFO L280 TraceCheckUtils]: 19: Hoare triple {7486#(and (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} assume !!(0 != #t~nondet2); {7486#(and (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:16,235 INFO L280 TraceCheckUtils]: 20: Hoare triple {7486#(and (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} havoc #t~nondet2; {7486#(and (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:16,236 INFO L280 TraceCheckUtils]: 21: Hoare triple {7486#(and (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(12); srcloc: L1003 {7487#(and (= 0 main_~list~0.offset) (not (= |main_#t~malloc3.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)))} is VALID [2020-07-18 05:15:16,238 INFO L280 TraceCheckUtils]: 22: Hoare triple {7487#(and (= 0 main_~list~0.offset) (not (= |main_#t~malloc3.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)))} SUMMARY for call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1003-1 {7488#(and (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)))} is VALID [2020-07-18 05:15:16,238 INFO L280 TraceCheckUtils]: 23: Hoare triple {7488#(and (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1003-2 {7489#(and (= 0 main_~list~0.offset) (not (= |main_#t~mem4.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) |main_#t~mem4.base|) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)))} is VALID [2020-07-18 05:15:16,240 INFO L280 TraceCheckUtils]: 24: Hoare triple {7489#(and (= 0 main_~list~0.offset) (not (= |main_#t~mem4.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) |main_#t~mem4.base|) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)))} SUMMARY for call write~$Pointer$(~end~0.base, ~end~0.offset, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L1004 {7488#(and (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)))} is VALID [2020-07-18 05:15:16,240 INFO L280 TraceCheckUtils]: 25: Hoare triple {7488#(and (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)))} havoc #t~mem4.base, #t~mem4.offset; {7488#(and (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)))} is VALID [2020-07-18 05:15:16,241 INFO L280 TraceCheckUtils]: 26: Hoare triple {7488#(and (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1005 {7490#(and (not (= |main_#t~mem5.base| main_~list~0.base)) (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,242 INFO L280 TraceCheckUtils]: 27: Hoare triple {7490#(and (not (= |main_#t~mem5.base| main_~list~0.base)) (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} ~end~0.base, ~end~0.offset := #t~mem5.base, #t~mem5.offset; {7491#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,242 INFO L280 TraceCheckUtils]: 28: Hoare triple {7491#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} havoc #t~mem5.base, #t~mem5.offset; {7491#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,243 INFO L280 TraceCheckUtils]: 29: Hoare triple {7491#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1006 {7492#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| main_~end~0.base (store (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8) ~unnamed1~0~BLACK)) main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,244 INFO L280 TraceCheckUtils]: 30: Hoare triple {7492#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| main_~end~0.base (store (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8) ~unnamed1~0~BLACK)) main_~list~0.base) (+ main_~list~0.offset 8))))} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {7492#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| main_~end~0.base (store (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8) ~unnamed1~0~BLACK)) main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,244 INFO L280 TraceCheckUtils]: 31: Hoare triple {7492#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| main_~end~0.base (store (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8) ~unnamed1~0~BLACK)) main_~list~0.base) (+ main_~list~0.offset 8))))} assume 0 != #t~nondet6; {7492#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| main_~end~0.base (store (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8) ~unnamed1~0~BLACK)) main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,245 INFO L280 TraceCheckUtils]: 32: Hoare triple {7492#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| main_~end~0.base (store (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8) ~unnamed1~0~BLACK)) main_~list~0.base) (+ main_~list~0.offset 8))))} havoc #t~nondet6; {7492#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| main_~end~0.base (store (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8) ~unnamed1~0~BLACK)) main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,246 INFO L280 TraceCheckUtils]: 33: Hoare triple {7492#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| main_~end~0.base (store (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8) ~unnamed1~0~BLACK)) main_~list~0.base) (+ main_~list~0.offset 8))))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1010 {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,246 INFO L280 TraceCheckUtils]: 34: Hoare triple {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} SUMMARY for call #t~mem10 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1021-6 {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,247 INFO L280 TraceCheckUtils]: 35: Hoare triple {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} assume !!(~unnamed1~0~BLACK == #t~mem10); {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,248 INFO L280 TraceCheckUtils]: 36: Hoare triple {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} havoc #t~mem10; {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,249 INFO L280 TraceCheckUtils]: 37: Hoare triple {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} goto; {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,250 INFO L280 TraceCheckUtils]: 38: Hoare triple {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} SUMMARY for call #t~mem11.base, #t~mem11.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1022-6 {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,250 INFO L280 TraceCheckUtils]: 39: Hoare triple {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} assume !!(~null~0.base == #t~mem11.base && ~null~0.offset == #t~mem11.offset); {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,251 INFO L280 TraceCheckUtils]: 40: Hoare triple {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} havoc #t~mem11.base, #t~mem11.offset; {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,251 INFO L280 TraceCheckUtils]: 41: Hoare triple {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} goto; {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,252 INFO L280 TraceCheckUtils]: 42: Hoare triple {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,252 INFO L280 TraceCheckUtils]: 43: Hoare triple {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} goto; {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,253 INFO L280 TraceCheckUtils]: 44: Hoare triple {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,253 INFO L280 TraceCheckUtils]: 45: Hoare triple {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} assume !(0 != #t~nondet2); {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,254 INFO L280 TraceCheckUtils]: 46: Hoare triple {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} havoc #t~nondet2; {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,254 INFO L280 TraceCheckUtils]: 47: Hoare triple {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} ~end~0.base, ~end~0.offset := ~null~0.base, ~null~0.offset; {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:16,255 INFO L280 TraceCheckUtils]: 48: Hoare triple {7493#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {7494#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} is VALID [2020-07-18 05:15:16,255 INFO L280 TraceCheckUtils]: 49: Hoare triple {7494#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {7494#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} is VALID [2020-07-18 05:15:16,256 INFO L280 TraceCheckUtils]: 50: Hoare triple {7494#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} goto; {7494#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} is VALID [2020-07-18 05:15:16,256 INFO L280 TraceCheckUtils]: 51: Hoare triple {7494#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} SUMMARY for call #t~mem12 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1031-6 {7495#(= ~unnamed1~0~BLACK |main_#t~mem12|)} is VALID [2020-07-18 05:15:16,256 INFO L280 TraceCheckUtils]: 52: Hoare triple {7495#(= ~unnamed1~0~BLACK |main_#t~mem12|)} assume !(~unnamed1~0~BLACK == #t~mem12); {7476#false} is VALID [2020-07-18 05:15:16,257 INFO L280 TraceCheckUtils]: 53: Hoare triple {7476#false} havoc #t~mem12; {7476#false} is VALID [2020-07-18 05:15:16,257 INFO L280 TraceCheckUtils]: 54: Hoare triple {7476#false} assume !false; {7476#false} is VALID [2020-07-18 05:15:16,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:15:16,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1853289516] [2020-07-18 05:15:16,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 05:15:16,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-07-18 05:15:16,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23101965] [2020-07-18 05:15:16,266 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 55 [2020-07-18 05:15:16,267 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:16,267 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2020-07-18 05:15:16,341 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:16,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-18 05:15:16,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:16,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-18 05:15:16,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-07-18 05:15:16,342 INFO L87 Difference]: Start difference. First operand 167 states and 174 transitions. Second operand 17 states. [2020-07-18 05:15:20,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:20,684 INFO L93 Difference]: Finished difference Result 224 states and 233 transitions. [2020-07-18 05:15:20,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-18 05:15:20,684 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 55 [2020-07-18 05:15:20,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:20,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-18 05:15:20,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 183 transitions. [2020-07-18 05:15:20,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-18 05:15:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 183 transitions. [2020-07-18 05:15:20,691 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 183 transitions. [2020-07-18 05:15:20,984 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 183 edges. 183 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:20,989 INFO L225 Difference]: With dead ends: 224 [2020-07-18 05:15:20,990 INFO L226 Difference]: Without dead ends: 221 [2020-07-18 05:15:20,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=252, Invalid=740, Unknown=0, NotChecked=0, Total=992 [2020-07-18 05:15:20,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-18 05:15:22,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 177. [2020-07-18 05:15:22,048 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:22,049 INFO L82 GeneralOperation]: Start isEquivalent. First operand 221 states. Second operand 177 states. [2020-07-18 05:15:22,049 INFO L74 IsIncluded]: Start isIncluded. First operand 221 states. Second operand 177 states. [2020-07-18 05:15:22,049 INFO L87 Difference]: Start difference. First operand 221 states. Second operand 177 states. [2020-07-18 05:15:22,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:22,057 INFO L93 Difference]: Finished difference Result 221 states and 230 transitions. [2020-07-18 05:15:22,057 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 230 transitions. [2020-07-18 05:15:22,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:22,058 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:22,058 INFO L74 IsIncluded]: Start isIncluded. First operand 177 states. Second operand 221 states. [2020-07-18 05:15:22,058 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 221 states. [2020-07-18 05:15:22,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:22,065 INFO L93 Difference]: Finished difference Result 221 states and 230 transitions. [2020-07-18 05:15:22,065 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 230 transitions. [2020-07-18 05:15:22,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:22,068 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:22,068 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:22,068 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:22,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-07-18 05:15:22,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 185 transitions. [2020-07-18 05:15:22,073 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 185 transitions. Word has length 55 [2020-07-18 05:15:22,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:22,073 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 185 transitions. [2020-07-18 05:15:22,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-18 05:15:22,073 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 177 states and 185 transitions. [2020-07-18 05:15:22,525 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 185 edges. 185 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:22,525 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 185 transitions. [2020-07-18 05:15:22,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-18 05:15:22,527 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:22,527 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:15:22,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-18 05:15:22,527 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:22,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:22,528 INFO L82 PathProgramCache]: Analyzing trace with hash 754417445, now seen corresponding path program 1 times [2020-07-18 05:15:22,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:22,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1340602928] [2020-07-18 05:15:22,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:23,687 INFO L280 TraceCheckUtils]: 0: Hoare triple {8800#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {8773#true} is VALID [2020-07-18 05:15:23,688 INFO L280 TraceCheckUtils]: 1: Hoare triple {8773#true} #valid := #valid[0 := 0]; {8773#true} is VALID [2020-07-18 05:15:23,688 INFO L280 TraceCheckUtils]: 2: Hoare triple {8773#true} assume 0 < #StackHeapBarrier; {8773#true} is VALID [2020-07-18 05:15:23,688 INFO L280 TraceCheckUtils]: 3: Hoare triple {8773#true} assume true; {8773#true} is VALID [2020-07-18 05:15:23,688 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8773#true} {8773#true} #260#return; {8773#true} is VALID [2020-07-18 05:15:23,689 INFO L263 TraceCheckUtils]: 0: Hoare triple {8773#true} call ULTIMATE.init(); {8800#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:23,689 INFO L280 TraceCheckUtils]: 1: Hoare triple {8800#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {8773#true} is VALID [2020-07-18 05:15:23,690 INFO L280 TraceCheckUtils]: 2: Hoare triple {8773#true} #valid := #valid[0 := 0]; {8773#true} is VALID [2020-07-18 05:15:23,690 INFO L280 TraceCheckUtils]: 3: Hoare triple {8773#true} assume 0 < #StackHeapBarrier; {8773#true} is VALID [2020-07-18 05:15:23,690 INFO L280 TraceCheckUtils]: 4: Hoare triple {8773#true} assume true; {8773#true} is VALID [2020-07-18 05:15:23,690 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8773#true} {8773#true} #260#return; {8773#true} is VALID [2020-07-18 05:15:23,690 INFO L263 TraceCheckUtils]: 6: Hoare triple {8773#true} call #t~ret21 := main(); {8773#true} is VALID [2020-07-18 05:15:23,694 INFO L280 TraceCheckUtils]: 7: Hoare triple {8773#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(12); srcloc: mainENTRY {8780#(= 0 |main_#t~malloc0.offset|)} is VALID [2020-07-18 05:15:23,694 INFO L280 TraceCheckUtils]: 8: Hoare triple {8780#(= 0 |main_#t~malloc0.offset|)} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {8773#true} is VALID [2020-07-18 05:15:23,694 INFO L280 TraceCheckUtils]: 9: Hoare triple {8773#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, ~null~0.offset, 4); srcloc: L988 {8773#true} is VALID [2020-07-18 05:15:23,694 INFO L280 TraceCheckUtils]: 10: Hoare triple {8773#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, 4 + ~null~0.offset, 4); srcloc: L988-1 {8773#true} is VALID [2020-07-18 05:15:23,694 INFO L280 TraceCheckUtils]: 11: Hoare triple {8773#true} SUMMARY for call write~int(~unnamed1~0~BLACK, ~null~0.base, 8 + ~null~0.offset, 4); srcloc: L989 {8773#true} is VALID [2020-07-18 05:15:23,696 INFO L280 TraceCheckUtils]: 12: Hoare triple {8773#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(12); srcloc: L990 {8781#(and (= 1 (select |#valid| |main_#t~malloc1.base|)) (= 0 |main_#t~malloc1.offset|))} is VALID [2020-07-18 05:15:23,696 INFO L280 TraceCheckUtils]: 13: Hoare triple {8781#(and (= 1 (select |#valid| |main_#t~malloc1.base|)) (= 0 |main_#t~malloc1.offset|))} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {8782#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:15:23,697 INFO L280 TraceCheckUtils]: 14: Hoare triple {8782#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, ~list~0.offset, 4); srcloc: L993 {8782#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:15:23,698 INFO L280 TraceCheckUtils]: 15: Hoare triple {8782#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-1 {8782#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:15:23,700 INFO L280 TraceCheckUtils]: 16: Hoare triple {8782#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~list~0.base, 8 + ~list~0.offset, 4); srcloc: L994 {8783#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,701 INFO L280 TraceCheckUtils]: 17: Hoare triple {8783#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {8784#(and (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:23,702 INFO L280 TraceCheckUtils]: 18: Hoare triple {8784#(and (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {8784#(and (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:23,703 INFO L280 TraceCheckUtils]: 19: Hoare triple {8784#(and (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} assume !!(0 != #t~nondet2); {8784#(and (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:23,704 INFO L280 TraceCheckUtils]: 20: Hoare triple {8784#(and (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} havoc #t~nondet2; {8784#(and (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:23,705 INFO L280 TraceCheckUtils]: 21: Hoare triple {8784#(and (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(12); srcloc: L1003 {8785#(and (= 1 (select |#valid| |main_#t~malloc3.base|)) (= 0 main_~list~0.offset) (not (= |main_#t~malloc3.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:23,706 INFO L280 TraceCheckUtils]: 22: Hoare triple {8785#(and (= 1 (select |#valid| |main_#t~malloc3.base|)) (= 0 main_~list~0.offset) (not (= |main_#t~malloc3.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1003-1 {8786#(and (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:23,707 INFO L280 TraceCheckUtils]: 23: Hoare triple {8786#(and (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1003-2 {8787#(and (= 0 main_~list~0.offset) (not (= |main_#t~mem4.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) |main_#t~mem4.base|) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:23,709 INFO L280 TraceCheckUtils]: 24: Hoare triple {8787#(and (= 0 main_~list~0.offset) (not (= |main_#t~mem4.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) |main_#t~mem4.base|) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call write~$Pointer$(~end~0.base, ~end~0.offset, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L1004 {8786#(and (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:23,710 INFO L280 TraceCheckUtils]: 25: Hoare triple {8786#(and (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)))} havoc #t~mem4.base, #t~mem4.offset; {8786#(and (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:23,711 INFO L280 TraceCheckUtils]: 26: Hoare triple {8786#(and (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1005 {8788#(and (not (= |main_#t~mem5.base| main_~list~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= (select |#valid| |main_#t~mem5.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,712 INFO L280 TraceCheckUtils]: 27: Hoare triple {8788#(and (not (= |main_#t~mem5.base| main_~list~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= (select |#valid| |main_#t~mem5.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} ~end~0.base, ~end~0.offset := #t~mem5.base, #t~mem5.offset; {8789#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:23,712 INFO L280 TraceCheckUtils]: 28: Hoare triple {8789#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} havoc #t~mem5.base, #t~mem5.offset; {8789#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:23,714 INFO L280 TraceCheckUtils]: 29: Hoare triple {8789#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1006 {8789#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:23,715 INFO L280 TraceCheckUtils]: 30: Hoare triple {8789#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {8789#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:23,715 INFO L280 TraceCheckUtils]: 31: Hoare triple {8789#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} assume !(0 != #t~nondet6); {8789#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:23,716 INFO L280 TraceCheckUtils]: 32: Hoare triple {8789#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} havoc #t~nondet6; {8789#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:23,718 INFO L280 TraceCheckUtils]: 33: Hoare triple {8789#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call write~int(~unnamed1~0~RED, ~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1014 {8789#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:23,719 INFO L280 TraceCheckUtils]: 34: Hoare triple {8789#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call #t~malloc7.base, #t~malloc7.offset := #Ultimate.allocOnHeap(12); srcloc: L1014-1 {8790#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (not (= |main_#t~malloc7.base| main_~end~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (not (= |main_#t~malloc7.base| main_~list~0.base)))} is VALID [2020-07-18 05:15:23,720 INFO L280 TraceCheckUtils]: 35: Hoare triple {8790#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (not (= |main_#t~malloc7.base| main_~end~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (not (= |main_#t~malloc7.base| main_~list~0.base)))} SUMMARY for call write~$Pointer$(#t~malloc7.base, #t~malloc7.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1015 {8791#(and (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))} is VALID [2020-07-18 05:15:23,721 INFO L280 TraceCheckUtils]: 36: Hoare triple {8791#(and (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))} SUMMARY for call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1015-1 {8792#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)) (not (= |main_#t~mem8.base| main_~list~0.base)) (not (= |main_#t~mem8.base| main_~end~0.base)))} is VALID [2020-07-18 05:15:23,723 INFO L280 TraceCheckUtils]: 37: Hoare triple {8792#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)) (not (= |main_#t~mem8.base| main_~list~0.base)) (not (= |main_#t~mem8.base| main_~end~0.base)))} SUMMARY for call write~$Pointer$(~end~0.base, ~end~0.offset, #t~mem8.base, 4 + #t~mem8.offset, 4); srcloc: L1016 {8793#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))} is VALID [2020-07-18 05:15:23,724 INFO L280 TraceCheckUtils]: 38: Hoare triple {8793#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))} havoc #t~mem8.base, #t~mem8.offset; {8793#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))} is VALID [2020-07-18 05:15:23,725 INFO L280 TraceCheckUtils]: 39: Hoare triple {8793#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))} SUMMARY for call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1017 {8794#(and (= 0 main_~list~0.offset) (not (= |main_#t~mem9.base| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,725 INFO L280 TraceCheckUtils]: 40: Hoare triple {8794#(and (= 0 main_~list~0.offset) (not (= |main_#t~mem9.base| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} ~end~0.base, ~end~0.offset := #t~mem9.base, #t~mem9.offset; {8795#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,726 INFO L280 TraceCheckUtils]: 41: Hoare triple {8795#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} havoc #t~mem9.base, #t~mem9.offset; {8795#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,727 INFO L280 TraceCheckUtils]: 42: Hoare triple {8795#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1018 {8796#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| main_~end~0.base (store (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8) ~unnamed1~0~BLACK)) main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,728 INFO L280 TraceCheckUtils]: 43: Hoare triple {8796#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| main_~end~0.base (store (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8) ~unnamed1~0~BLACK)) main_~list~0.base) (+ main_~list~0.offset 8))))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1018-1 {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,729 INFO L280 TraceCheckUtils]: 44: Hoare triple {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} SUMMARY for call #t~mem10 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1021-6 {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,730 INFO L280 TraceCheckUtils]: 45: Hoare triple {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} assume !!(~unnamed1~0~BLACK == #t~mem10); {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,731 INFO L280 TraceCheckUtils]: 46: Hoare triple {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} havoc #t~mem10; {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,731 INFO L280 TraceCheckUtils]: 47: Hoare triple {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} goto; {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,732 INFO L280 TraceCheckUtils]: 48: Hoare triple {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} SUMMARY for call #t~mem11.base, #t~mem11.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1022-6 {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,733 INFO L280 TraceCheckUtils]: 49: Hoare triple {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} assume !!(~null~0.base == #t~mem11.base && ~null~0.offset == #t~mem11.offset); {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,733 INFO L280 TraceCheckUtils]: 50: Hoare triple {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} havoc #t~mem11.base, #t~mem11.offset; {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,734 INFO L280 TraceCheckUtils]: 51: Hoare triple {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} goto; {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,734 INFO L280 TraceCheckUtils]: 52: Hoare triple {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,735 INFO L280 TraceCheckUtils]: 53: Hoare triple {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} goto; {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,736 INFO L280 TraceCheckUtils]: 54: Hoare triple {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,736 INFO L280 TraceCheckUtils]: 55: Hoare triple {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} assume !(0 != #t~nondet2); {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,737 INFO L280 TraceCheckUtils]: 56: Hoare triple {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} havoc #t~nondet2; {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,738 INFO L280 TraceCheckUtils]: 57: Hoare triple {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} ~end~0.base, ~end~0.offset := ~null~0.base, ~null~0.offset; {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:23,739 INFO L280 TraceCheckUtils]: 58: Hoare triple {8797#(and (= 0 main_~list~0.offset) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {8798#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} is VALID [2020-07-18 05:15:23,739 INFO L280 TraceCheckUtils]: 59: Hoare triple {8798#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {8798#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} is VALID [2020-07-18 05:15:23,740 INFO L280 TraceCheckUtils]: 60: Hoare triple {8798#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} goto; {8798#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} is VALID [2020-07-18 05:15:23,740 INFO L280 TraceCheckUtils]: 61: Hoare triple {8798#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} SUMMARY for call #t~mem12 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1031-6 {8799#(= ~unnamed1~0~BLACK |main_#t~mem12|)} is VALID [2020-07-18 05:15:23,741 INFO L280 TraceCheckUtils]: 62: Hoare triple {8799#(= ~unnamed1~0~BLACK |main_#t~mem12|)} assume !(~unnamed1~0~BLACK == #t~mem12); {8774#false} is VALID [2020-07-18 05:15:23,741 INFO L280 TraceCheckUtils]: 63: Hoare triple {8774#false} havoc #t~mem12; {8774#false} is VALID [2020-07-18 05:15:23,741 INFO L280 TraceCheckUtils]: 64: Hoare triple {8774#false} assume !false; {8774#false} is VALID [2020-07-18 05:15:23,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:15:23,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1340602928] [2020-07-18 05:15:23,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 05:15:23,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-07-18 05:15:23,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648674030] [2020-07-18 05:15:23,762 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 65 [2020-07-18 05:15:23,762 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:23,762 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states. [2020-07-18 05:15:23,855 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:23,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-18 05:15:23,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:23,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-18 05:15:23,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=411, Unknown=0, NotChecked=0, Total=506 [2020-07-18 05:15:23,857 INFO L87 Difference]: Start difference. First operand 177 states and 185 transitions. Second operand 23 states. [2020-07-18 05:15:30,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:30,068 INFO L93 Difference]: Finished difference Result 254 states and 264 transitions. [2020-07-18 05:15:30,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-18 05:15:30,068 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 65 [2020-07-18 05:15:30,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:30,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-07-18 05:15:30,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 209 transitions. [2020-07-18 05:15:30,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-07-18 05:15:30,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 209 transitions. [2020-07-18 05:15:30,074 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 209 transitions. [2020-07-18 05:15:30,399 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 209 edges. 209 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:30,404 INFO L225 Difference]: With dead ends: 254 [2020-07-18 05:15:30,405 INFO L226 Difference]: Without dead ends: 251 [2020-07-18 05:15:30,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=436, Invalid=1544, Unknown=0, NotChecked=0, Total=1980 [2020-07-18 05:15:30,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-07-18 05:15:31,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 201. [2020-07-18 05:15:31,614 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:31,614 INFO L82 GeneralOperation]: Start isEquivalent. First operand 251 states. Second operand 201 states. [2020-07-18 05:15:31,614 INFO L74 IsIncluded]: Start isIncluded. First operand 251 states. Second operand 201 states. [2020-07-18 05:15:31,614 INFO L87 Difference]: Start difference. First operand 251 states. Second operand 201 states. [2020-07-18 05:15:31,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:31,620 INFO L93 Difference]: Finished difference Result 251 states and 261 transitions. [2020-07-18 05:15:31,620 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 261 transitions. [2020-07-18 05:15:31,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:31,621 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:31,621 INFO L74 IsIncluded]: Start isIncluded. First operand 201 states. Second operand 251 states. [2020-07-18 05:15:31,621 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 251 states. [2020-07-18 05:15:31,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:31,627 INFO L93 Difference]: Finished difference Result 251 states and 261 transitions. [2020-07-18 05:15:31,628 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 261 transitions. [2020-07-18 05:15:31,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:31,628 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:31,628 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:31,629 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:31,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-07-18 05:15:31,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 210 transitions. [2020-07-18 05:15:31,633 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 210 transitions. Word has length 65 [2020-07-18 05:15:31,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:31,633 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 210 transitions. [2020-07-18 05:15:31,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-18 05:15:31,634 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 201 states and 210 transitions. [2020-07-18 05:15:32,127 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 210 edges. 210 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:32,128 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 210 transitions. [2020-07-18 05:15:32,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-18 05:15:32,130 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:32,131 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:15:32,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-18 05:15:32,131 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:32,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:32,132 INFO L82 PathProgramCache]: Analyzing trace with hash -736103817, now seen corresponding path program 1 times [2020-07-18 05:15:32,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:32,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775442105] [2020-07-18 05:15:32,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:32,367 INFO L280 TraceCheckUtils]: 0: Hoare triple {10273#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {10259#true} is VALID [2020-07-18 05:15:32,367 INFO L280 TraceCheckUtils]: 1: Hoare triple {10259#true} #valid := #valid[0 := 0]; {10259#true} is VALID [2020-07-18 05:15:32,367 INFO L280 TraceCheckUtils]: 2: Hoare triple {10259#true} assume 0 < #StackHeapBarrier; {10259#true} is VALID [2020-07-18 05:15:32,367 INFO L280 TraceCheckUtils]: 3: Hoare triple {10259#true} assume true; {10259#true} is VALID [2020-07-18 05:15:32,368 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {10259#true} {10259#true} #260#return; {10259#true} is VALID [2020-07-18 05:15:32,369 INFO L263 TraceCheckUtils]: 0: Hoare triple {10259#true} call ULTIMATE.init(); {10273#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:32,369 INFO L280 TraceCheckUtils]: 1: Hoare triple {10273#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {10259#true} is VALID [2020-07-18 05:15:32,369 INFO L280 TraceCheckUtils]: 2: Hoare triple {10259#true} #valid := #valid[0 := 0]; {10259#true} is VALID [2020-07-18 05:15:32,369 INFO L280 TraceCheckUtils]: 3: Hoare triple {10259#true} assume 0 < #StackHeapBarrier; {10259#true} is VALID [2020-07-18 05:15:32,369 INFO L280 TraceCheckUtils]: 4: Hoare triple {10259#true} assume true; {10259#true} is VALID [2020-07-18 05:15:32,370 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {10259#true} {10259#true} #260#return; {10259#true} is VALID [2020-07-18 05:15:32,370 INFO L263 TraceCheckUtils]: 6: Hoare triple {10259#true} call #t~ret21 := main(); {10259#true} is VALID [2020-07-18 05:15:32,371 INFO L280 TraceCheckUtils]: 7: Hoare triple {10259#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(12); srcloc: mainENTRY {10266#(= 1 (select |#valid| |main_#t~malloc0.base|))} is VALID [2020-07-18 05:15:32,371 INFO L280 TraceCheckUtils]: 8: Hoare triple {10266#(= 1 (select |#valid| |main_#t~malloc0.base|))} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,372 INFO L280 TraceCheckUtils]: 9: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, ~null~0.offset, 4); srcloc: L988 {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,373 INFO L280 TraceCheckUtils]: 10: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, 4 + ~null~0.offset, 4); srcloc: L988-1 {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,374 INFO L280 TraceCheckUtils]: 11: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~null~0.base, 8 + ~null~0.offset, 4); srcloc: L989 {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,375 INFO L280 TraceCheckUtils]: 12: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(12); srcloc: L990 {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,376 INFO L280 TraceCheckUtils]: 13: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,376 INFO L280 TraceCheckUtils]: 14: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, ~list~0.offset, 4); srcloc: L993 {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,377 INFO L280 TraceCheckUtils]: 15: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-1 {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,378 INFO L280 TraceCheckUtils]: 16: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~list~0.base, 8 + ~list~0.offset, 4); srcloc: L994 {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,378 INFO L280 TraceCheckUtils]: 17: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,379 INFO L280 TraceCheckUtils]: 18: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,379 INFO L280 TraceCheckUtils]: 19: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} assume !!(0 != #t~nondet2); {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,380 INFO L280 TraceCheckUtils]: 20: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} havoc #t~nondet2; {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,381 INFO L280 TraceCheckUtils]: 21: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(12); srcloc: L1003 {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,381 INFO L280 TraceCheckUtils]: 22: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1003-1 {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,382 INFO L280 TraceCheckUtils]: 23: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1003-2 {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,382 INFO L280 TraceCheckUtils]: 24: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call write~$Pointer$(~end~0.base, ~end~0.offset, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L1004 {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,383 INFO L280 TraceCheckUtils]: 25: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} havoc #t~mem4.base, #t~mem4.offset; {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,384 INFO L280 TraceCheckUtils]: 26: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1005 {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,384 INFO L280 TraceCheckUtils]: 27: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} ~end~0.base, ~end~0.offset := #t~mem5.base, #t~mem5.offset; {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,384 INFO L280 TraceCheckUtils]: 28: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} havoc #t~mem5.base, #t~mem5.offset; {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,385 INFO L280 TraceCheckUtils]: 29: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1006 {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,385 INFO L280 TraceCheckUtils]: 30: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,386 INFO L280 TraceCheckUtils]: 31: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} assume 0 != #t~nondet6; {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,386 INFO L280 TraceCheckUtils]: 32: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} havoc #t~nondet6; {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,387 INFO L280 TraceCheckUtils]: 33: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1010 {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,387 INFO L280 TraceCheckUtils]: 34: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call #t~mem10 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1021-6 {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,388 INFO L280 TraceCheckUtils]: 35: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} assume !!(~unnamed1~0~BLACK == #t~mem10); {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,388 INFO L280 TraceCheckUtils]: 36: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} havoc #t~mem10; {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,389 INFO L280 TraceCheckUtils]: 37: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} goto; {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,389 INFO L280 TraceCheckUtils]: 38: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call #t~mem11.base, #t~mem11.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1022-6 {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,390 INFO L280 TraceCheckUtils]: 39: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} assume !!(~null~0.base == #t~mem11.base && ~null~0.offset == #t~mem11.offset); {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,390 INFO L280 TraceCheckUtils]: 40: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} havoc #t~mem11.base, #t~mem11.offset; {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,391 INFO L280 TraceCheckUtils]: 41: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} goto; {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,391 INFO L280 TraceCheckUtils]: 42: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,392 INFO L280 TraceCheckUtils]: 43: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} goto; {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,392 INFO L280 TraceCheckUtils]: 44: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,393 INFO L280 TraceCheckUtils]: 45: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} assume !!(0 != #t~nondet2); {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,393 INFO L280 TraceCheckUtils]: 46: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} havoc #t~nondet2; {10267#(= 1 (select |#valid| main_~null~0.base))} is VALID [2020-07-18 05:15:32,394 INFO L280 TraceCheckUtils]: 47: Hoare triple {10267#(= 1 (select |#valid| main_~null~0.base))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(12); srcloc: L1003 {10268#(not (= |main_#t~malloc3.base| main_~null~0.base))} is VALID [2020-07-18 05:15:32,395 INFO L280 TraceCheckUtils]: 48: Hoare triple {10268#(not (= |main_#t~malloc3.base| main_~null~0.base))} SUMMARY for call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1003-1 {10269#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} is VALID [2020-07-18 05:15:32,396 INFO L280 TraceCheckUtils]: 49: Hoare triple {10269#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1003-2 {10270#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)) (or (not (= |main_#t~mem4.base| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| |main_#t~mem4.base|) main_~end~0.offset) main_~end~0.base)))} is VALID [2020-07-18 05:15:32,397 INFO L280 TraceCheckUtils]: 50: Hoare triple {10270#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)) (or (not (= |main_#t~mem4.base| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| |main_#t~mem4.base|) main_~end~0.offset) main_~end~0.base)))} SUMMARY for call write~$Pointer$(~end~0.base, ~end~0.offset, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L1004 {10269#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} is VALID [2020-07-18 05:15:32,397 INFO L280 TraceCheckUtils]: 51: Hoare triple {10269#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} havoc #t~mem4.base, #t~mem4.offset; {10269#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} is VALID [2020-07-18 05:15:32,398 INFO L280 TraceCheckUtils]: 52: Hoare triple {10269#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1005 {10271#(not (= |main_#t~mem5.base| main_~null~0.base))} is VALID [2020-07-18 05:15:32,399 INFO L280 TraceCheckUtils]: 53: Hoare triple {10271#(not (= |main_#t~mem5.base| main_~null~0.base))} ~end~0.base, ~end~0.offset := #t~mem5.base, #t~mem5.offset; {10272#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:32,399 INFO L280 TraceCheckUtils]: 54: Hoare triple {10272#(not (= main_~null~0.base main_~end~0.base))} havoc #t~mem5.base, #t~mem5.offset; {10272#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:32,400 INFO L280 TraceCheckUtils]: 55: Hoare triple {10272#(not (= main_~null~0.base main_~end~0.base))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1006 {10272#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:32,400 INFO L280 TraceCheckUtils]: 56: Hoare triple {10272#(not (= main_~null~0.base main_~end~0.base))} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {10272#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:32,400 INFO L280 TraceCheckUtils]: 57: Hoare triple {10272#(not (= main_~null~0.base main_~end~0.base))} assume 0 != #t~nondet6; {10272#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:32,401 INFO L280 TraceCheckUtils]: 58: Hoare triple {10272#(not (= main_~null~0.base main_~end~0.base))} havoc #t~nondet6; {10272#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:32,401 INFO L280 TraceCheckUtils]: 59: Hoare triple {10272#(not (= main_~null~0.base main_~end~0.base))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1010 {10272#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:32,402 INFO L280 TraceCheckUtils]: 60: Hoare triple {10272#(not (= main_~null~0.base main_~end~0.base))} SUMMARY for call #t~mem10 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1021-6 {10272#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:32,402 INFO L280 TraceCheckUtils]: 61: Hoare triple {10272#(not (= main_~null~0.base main_~end~0.base))} assume !!(~unnamed1~0~BLACK == #t~mem10); {10272#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:32,403 INFO L280 TraceCheckUtils]: 62: Hoare triple {10272#(not (= main_~null~0.base main_~end~0.base))} havoc #t~mem10; {10272#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:32,403 INFO L280 TraceCheckUtils]: 63: Hoare triple {10272#(not (= main_~null~0.base main_~end~0.base))} goto; {10272#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:32,404 INFO L280 TraceCheckUtils]: 64: Hoare triple {10272#(not (= main_~null~0.base main_~end~0.base))} SUMMARY for call #t~mem11.base, #t~mem11.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1022-6 {10272#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:32,404 INFO L280 TraceCheckUtils]: 65: Hoare triple {10272#(not (= main_~null~0.base main_~end~0.base))} assume !!(~null~0.base == #t~mem11.base && ~null~0.offset == #t~mem11.offset); {10272#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:32,405 INFO L280 TraceCheckUtils]: 66: Hoare triple {10272#(not (= main_~null~0.base main_~end~0.base))} havoc #t~mem11.base, #t~mem11.offset; {10272#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:32,405 INFO L280 TraceCheckUtils]: 67: Hoare triple {10272#(not (= main_~null~0.base main_~end~0.base))} goto; {10272#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:32,406 INFO L280 TraceCheckUtils]: 68: Hoare triple {10272#(not (= main_~null~0.base main_~end~0.base))} assume !(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {10260#false} is VALID [2020-07-18 05:15:32,406 INFO L280 TraceCheckUtils]: 69: Hoare triple {10260#false} assume !false; {10260#false} is VALID [2020-07-18 05:15:32,416 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-18 05:15:32,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775442105] [2020-07-18 05:15:32,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 05:15:32,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-18 05:15:32,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535514459] [2020-07-18 05:15:32,417 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-07-18 05:15:32,418 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:32,418 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-18 05:15:32,497 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:32,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-18 05:15:32,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:32,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-18 05:15:32,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-18 05:15:32,499 INFO L87 Difference]: Start difference. First operand 201 states and 210 transitions. Second operand 10 states. [2020-07-18 05:15:35,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:35,095 INFO L93 Difference]: Finished difference Result 227 states and 237 transitions. [2020-07-18 05:15:35,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-18 05:15:35,095 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-07-18 05:15:35,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:35,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-18 05:15:35,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 124 transitions. [2020-07-18 05:15:35,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-18 05:15:35,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 124 transitions. [2020-07-18 05:15:35,099 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 124 transitions. [2020-07-18 05:15:35,270 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:35,275 INFO L225 Difference]: With dead ends: 227 [2020-07-18 05:15:35,275 INFO L226 Difference]: Without dead ends: 225 [2020-07-18 05:15:35,276 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2020-07-18 05:15:35,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-07-18 05:15:36,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 201. [2020-07-18 05:15:36,619 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:36,619 INFO L82 GeneralOperation]: Start isEquivalent. First operand 225 states. Second operand 201 states. [2020-07-18 05:15:36,619 INFO L74 IsIncluded]: Start isIncluded. First operand 225 states. Second operand 201 states. [2020-07-18 05:15:36,619 INFO L87 Difference]: Start difference. First operand 225 states. Second operand 201 states. [2020-07-18 05:15:36,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:36,624 INFO L93 Difference]: Finished difference Result 225 states and 234 transitions. [2020-07-18 05:15:36,625 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 234 transitions. [2020-07-18 05:15:36,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:36,625 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:36,626 INFO L74 IsIncluded]: Start isIncluded. First operand 201 states. Second operand 225 states. [2020-07-18 05:15:36,626 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 225 states. [2020-07-18 05:15:36,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:36,632 INFO L93 Difference]: Finished difference Result 225 states and 234 transitions. [2020-07-18 05:15:36,632 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 234 transitions. [2020-07-18 05:15:36,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:36,633 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:36,633 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:36,633 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:36,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-07-18 05:15:36,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 209 transitions. [2020-07-18 05:15:36,638 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 209 transitions. Word has length 70 [2020-07-18 05:15:36,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:36,638 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 209 transitions. [2020-07-18 05:15:36,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-18 05:15:36,638 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 201 states and 209 transitions. [2020-07-18 05:15:37,180 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 209 edges. 209 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:37,180 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 209 transitions. [2020-07-18 05:15:37,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-18 05:15:37,181 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:37,181 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:15:37,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-18 05:15:37,182 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:37,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:37,182 INFO L82 PathProgramCache]: Analyzing trace with hash 715756074, now seen corresponding path program 1 times [2020-07-18 05:15:37,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:37,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2113057473] [2020-07-18 05:15:37,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:38,077 INFO L280 TraceCheckUtils]: 0: Hoare triple {11631#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {11602#true} is VALID [2020-07-18 05:15:38,078 INFO L280 TraceCheckUtils]: 1: Hoare triple {11602#true} #valid := #valid[0 := 0]; {11602#true} is VALID [2020-07-18 05:15:38,078 INFO L280 TraceCheckUtils]: 2: Hoare triple {11602#true} assume 0 < #StackHeapBarrier; {11602#true} is VALID [2020-07-18 05:15:38,078 INFO L280 TraceCheckUtils]: 3: Hoare triple {11602#true} assume true; {11602#true} is VALID [2020-07-18 05:15:38,079 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {11602#true} {11602#true} #260#return; {11602#true} is VALID [2020-07-18 05:15:38,080 INFO L263 TraceCheckUtils]: 0: Hoare triple {11602#true} call ULTIMATE.init(); {11631#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:38,080 INFO L280 TraceCheckUtils]: 1: Hoare triple {11631#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {11602#true} is VALID [2020-07-18 05:15:38,081 INFO L280 TraceCheckUtils]: 2: Hoare triple {11602#true} #valid := #valid[0 := 0]; {11602#true} is VALID [2020-07-18 05:15:38,081 INFO L280 TraceCheckUtils]: 3: Hoare triple {11602#true} assume 0 < #StackHeapBarrier; {11602#true} is VALID [2020-07-18 05:15:38,081 INFO L280 TraceCheckUtils]: 4: Hoare triple {11602#true} assume true; {11602#true} is VALID [2020-07-18 05:15:38,082 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {11602#true} {11602#true} #260#return; {11602#true} is VALID [2020-07-18 05:15:38,082 INFO L263 TraceCheckUtils]: 6: Hoare triple {11602#true} call #t~ret21 := main(); {11602#true} is VALID [2020-07-18 05:15:38,083 INFO L280 TraceCheckUtils]: 7: Hoare triple {11602#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(12); srcloc: mainENTRY {11609#(= 0 |main_#t~malloc0.offset|)} is VALID [2020-07-18 05:15:38,084 INFO L280 TraceCheckUtils]: 8: Hoare triple {11609#(= 0 |main_#t~malloc0.offset|)} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {11610#(= 0 main_~null~0.offset)} is VALID [2020-07-18 05:15:38,085 INFO L280 TraceCheckUtils]: 9: Hoare triple {11610#(= 0 main_~null~0.offset)} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, ~null~0.offset, 4); srcloc: L988 {11610#(= 0 main_~null~0.offset)} is VALID [2020-07-18 05:15:38,085 INFO L280 TraceCheckUtils]: 10: Hoare triple {11610#(= 0 main_~null~0.offset)} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, 4 + ~null~0.offset, 4); srcloc: L988-1 {11610#(= 0 main_~null~0.offset)} is VALID [2020-07-18 05:15:38,086 INFO L280 TraceCheckUtils]: 11: Hoare triple {11610#(= 0 main_~null~0.offset)} SUMMARY for call write~int(~unnamed1~0~BLACK, ~null~0.base, 8 + ~null~0.offset, 4); srcloc: L989 {11610#(= 0 main_~null~0.offset)} is VALID [2020-07-18 05:15:38,088 INFO L280 TraceCheckUtils]: 12: Hoare triple {11610#(= 0 main_~null~0.offset)} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(12); srcloc: L990 {11611#(and (= 1 (select |#valid| |main_#t~malloc1.base|)) (= 0 main_~null~0.offset))} is VALID [2020-07-18 05:15:38,089 INFO L280 TraceCheckUtils]: 13: Hoare triple {11611#(and (= 1 (select |#valid| |main_#t~malloc1.base|)) (= 0 main_~null~0.offset))} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {11612#(and (= 0 main_~null~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:15:38,091 INFO L280 TraceCheckUtils]: 14: Hoare triple {11612#(and (= 0 main_~null~0.offset) (= 1 (select |#valid| main_~list~0.base)))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, ~list~0.offset, 4); srcloc: L993 {11612#(and (= 0 main_~null~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:15:38,092 INFO L280 TraceCheckUtils]: 15: Hoare triple {11612#(and (= 0 main_~null~0.offset) (= 1 (select |#valid| main_~list~0.base)))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-1 {11612#(and (= 0 main_~null~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:15:38,094 INFO L280 TraceCheckUtils]: 16: Hoare triple {11612#(and (= 0 main_~null~0.offset) (= 1 (select |#valid| main_~list~0.base)))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~list~0.base, 8 + ~list~0.offset, 4); srcloc: L994 {11612#(and (= 0 main_~null~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:15:38,095 INFO L280 TraceCheckUtils]: 17: Hoare triple {11612#(and (= 0 main_~null~0.offset) (= 1 (select |#valid| main_~list~0.base)))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {11613#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:38,096 INFO L280 TraceCheckUtils]: 18: Hoare triple {11613#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {11613#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:38,097 INFO L280 TraceCheckUtils]: 19: Hoare triple {11613#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} assume !!(0 != #t~nondet2); {11613#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:38,099 INFO L280 TraceCheckUtils]: 20: Hoare triple {11613#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} havoc #t~nondet2; {11613#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:38,100 INFO L280 TraceCheckUtils]: 21: Hoare triple {11613#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(12); srcloc: L1003 {11614#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (not (= |main_#t~malloc3.base| main_~end~0.base)) (= 0 |main_#t~malloc3.offset|) (= main_~list~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:38,102 INFO L280 TraceCheckUtils]: 22: Hoare triple {11614#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (not (= |main_#t~malloc3.base| main_~end~0.base)) (= 0 |main_#t~malloc3.offset|) (= main_~list~0.base main_~end~0.base))} SUMMARY for call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1003-1 {11615#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:15:38,104 INFO L280 TraceCheckUtils]: 23: Hoare triple {11615#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1003-2 {11616#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (not (= |main_#t~mem4.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) |main_#t~mem4.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:15:38,106 INFO L280 TraceCheckUtils]: 24: Hoare triple {11616#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (not (= |main_#t~mem4.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) |main_#t~mem4.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} SUMMARY for call write~$Pointer$(~end~0.base, ~end~0.offset, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L1004 {11615#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:15:38,107 INFO L280 TraceCheckUtils]: 25: Hoare triple {11615#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} havoc #t~mem4.base, #t~mem4.offset; {11615#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:15:38,108 INFO L280 TraceCheckUtils]: 26: Hoare triple {11615#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1005 {11617#(and (= 0 |main_#t~mem5.offset|) (not (= |main_#t~mem5.base| main_~list~0.base)) (= 0 main_~null~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:15:38,110 INFO L280 TraceCheckUtils]: 27: Hoare triple {11617#(and (= 0 |main_#t~mem5.offset|) (not (= |main_#t~mem5.base| main_~list~0.base)) (= 0 main_~null~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} ~end~0.base, ~end~0.offset := #t~mem5.base, #t~mem5.offset; {11618#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= main_~end~0.offset main_~null~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base))} is VALID [2020-07-18 05:15:38,111 INFO L280 TraceCheckUtils]: 28: Hoare triple {11618#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= main_~end~0.offset main_~null~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base))} havoc #t~mem5.base, #t~mem5.offset; {11618#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= main_~end~0.offset main_~null~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base))} is VALID [2020-07-18 05:15:38,112 INFO L280 TraceCheckUtils]: 29: Hoare triple {11618#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= main_~end~0.offset main_~null~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1006 {11619#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base))} is VALID [2020-07-18 05:15:38,113 INFO L280 TraceCheckUtils]: 30: Hoare triple {11619#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base))} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {11619#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base))} is VALID [2020-07-18 05:15:38,115 INFO L280 TraceCheckUtils]: 31: Hoare triple {11619#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base))} assume 0 != #t~nondet6; {11619#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base))} is VALID [2020-07-18 05:15:38,116 INFO L280 TraceCheckUtils]: 32: Hoare triple {11619#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base))} havoc #t~nondet6; {11619#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base))} is VALID [2020-07-18 05:15:38,117 INFO L280 TraceCheckUtils]: 33: Hoare triple {11619#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1010 {11620#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base))} is VALID [2020-07-18 05:15:38,118 INFO L280 TraceCheckUtils]: 34: Hoare triple {11620#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base))} SUMMARY for call #t~mem10 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1021-6 {11621#(and (= |main_#t~mem10| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:15:38,119 INFO L280 TraceCheckUtils]: 35: Hoare triple {11621#(and (= |main_#t~mem10| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} assume !!(~unnamed1~0~BLACK == #t~mem10); {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} is VALID [2020-07-18 05:15:38,120 INFO L280 TraceCheckUtils]: 36: Hoare triple {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} havoc #t~mem10; {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} is VALID [2020-07-18 05:15:38,120 INFO L280 TraceCheckUtils]: 37: Hoare triple {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} goto; {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} is VALID [2020-07-18 05:15:38,121 INFO L280 TraceCheckUtils]: 38: Hoare triple {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} SUMMARY for call #t~mem11.base, #t~mem11.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1022-6 {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} is VALID [2020-07-18 05:15:38,122 INFO L280 TraceCheckUtils]: 39: Hoare triple {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} assume !!(~null~0.base == #t~mem11.base && ~null~0.offset == #t~mem11.offset); {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} is VALID [2020-07-18 05:15:38,123 INFO L280 TraceCheckUtils]: 40: Hoare triple {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} havoc #t~mem11.base, #t~mem11.offset; {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} is VALID [2020-07-18 05:15:38,123 INFO L280 TraceCheckUtils]: 41: Hoare triple {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} goto; {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} is VALID [2020-07-18 05:15:38,124 INFO L280 TraceCheckUtils]: 42: Hoare triple {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} is VALID [2020-07-18 05:15:38,125 INFO L280 TraceCheckUtils]: 43: Hoare triple {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} goto; {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} is VALID [2020-07-18 05:15:38,126 INFO L280 TraceCheckUtils]: 44: Hoare triple {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} is VALID [2020-07-18 05:15:38,126 INFO L280 TraceCheckUtils]: 45: Hoare triple {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} assume !(0 != #t~nondet2); {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} is VALID [2020-07-18 05:15:38,127 INFO L280 TraceCheckUtils]: 46: Hoare triple {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} havoc #t~nondet2; {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} is VALID [2020-07-18 05:15:38,128 INFO L280 TraceCheckUtils]: 47: Hoare triple {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} ~end~0.base, ~end~0.offset := ~null~0.base, ~null~0.offset; {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} is VALID [2020-07-18 05:15:38,129 INFO L280 TraceCheckUtils]: 48: Hoare triple {11622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 8)))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {11623#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:15:38,130 INFO L280 TraceCheckUtils]: 49: Hoare triple {11623#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {11623#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:15:38,130 INFO L280 TraceCheckUtils]: 50: Hoare triple {11623#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} goto; {11623#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:15:38,131 INFO L280 TraceCheckUtils]: 51: Hoare triple {11623#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} SUMMARY for call #t~mem12 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1031-6 {11624#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= |main_#t~mem12| (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8))))} is VALID [2020-07-18 05:15:38,132 INFO L280 TraceCheckUtils]: 52: Hoare triple {11624#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= |main_#t~mem12| (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8))))} assume !!(~unnamed1~0~BLACK == #t~mem12); {11625#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8)))} is VALID [2020-07-18 05:15:38,133 INFO L280 TraceCheckUtils]: 53: Hoare triple {11625#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8)))} havoc #t~mem12; {11625#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8)))} is VALID [2020-07-18 05:15:38,134 INFO L280 TraceCheckUtils]: 54: Hoare triple {11625#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8)))} goto; {11625#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8)))} is VALID [2020-07-18 05:15:38,134 INFO L280 TraceCheckUtils]: 55: Hoare triple {11625#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8)))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {11625#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8)))} is VALID [2020-07-18 05:15:38,135 INFO L280 TraceCheckUtils]: 56: Hoare triple {11625#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8)))} SUMMARY for call #t~mem13 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1034 {11626#(and (= |main_#t~mem13| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:15:38,136 INFO L280 TraceCheckUtils]: 57: Hoare triple {11626#(and (= |main_#t~mem13| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} assume !(~unnamed1~0~RED == #t~mem13); {11627#(and (not (= ~unnamed1~0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:15:38,137 INFO L280 TraceCheckUtils]: 58: Hoare triple {11627#(and (not (= ~unnamed1~0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} havoc #t~mem13; {11627#(and (not (= ~unnamed1~0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:15:38,138 INFO L280 TraceCheckUtils]: 59: Hoare triple {11627#(and (not (= ~unnamed1~0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} SUMMARY for call #t~mem16.base, #t~mem16.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1034-4 {11628#(and (= 0 |main_#t~mem16.offset|) (not (= ~unnamed1~0~RED (select (select |#memory_int| |main_#t~mem16.base|) 8))))} is VALID [2020-07-18 05:15:38,139 INFO L280 TraceCheckUtils]: 60: Hoare triple {11628#(and (= 0 |main_#t~mem16.offset|) (not (= ~unnamed1~0~RED (select (select |#memory_int| |main_#t~mem16.base|) 8))))} ~end~0.base, ~end~0.offset := #t~mem16.base, #t~mem16.offset; {11629#(not (= ~unnamed1~0~RED (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8))))} is VALID [2020-07-18 05:15:38,139 INFO L280 TraceCheckUtils]: 61: Hoare triple {11629#(not (= ~unnamed1~0~RED (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8))))} havoc #t~mem16.base, #t~mem16.offset; {11629#(not (= ~unnamed1~0~RED (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8))))} is VALID [2020-07-18 05:15:38,140 INFO L280 TraceCheckUtils]: 62: Hoare triple {11629#(not (= ~unnamed1~0~RED (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8))))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {11629#(not (= ~unnamed1~0~RED (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8))))} is VALID [2020-07-18 05:15:38,141 INFO L280 TraceCheckUtils]: 63: Hoare triple {11629#(not (= ~unnamed1~0~RED (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8))))} SUMMARY for call #t~mem13 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1034 {11630#(not (= |main_#t~mem13| ~unnamed1~0~RED))} is VALID [2020-07-18 05:15:38,141 INFO L280 TraceCheckUtils]: 64: Hoare triple {11630#(not (= |main_#t~mem13| ~unnamed1~0~RED))} assume ~unnamed1~0~RED == #t~mem13; {11603#false} is VALID [2020-07-18 05:15:38,142 INFO L280 TraceCheckUtils]: 65: Hoare triple {11603#false} havoc #t~mem13; {11603#false} is VALID [2020-07-18 05:15:38,142 INFO L280 TraceCheckUtils]: 66: Hoare triple {11603#false} SUMMARY for call #t~mem14.base, #t~mem14.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1036 {11603#false} is VALID [2020-07-18 05:15:38,142 INFO L280 TraceCheckUtils]: 67: Hoare triple {11603#false} ~end~0.base, ~end~0.offset := #t~mem14.base, #t~mem14.offset; {11603#false} is VALID [2020-07-18 05:15:38,142 INFO L280 TraceCheckUtils]: 68: Hoare triple {11603#false} havoc #t~mem14.base, #t~mem14.offset; {11603#false} is VALID [2020-07-18 05:15:38,143 INFO L280 TraceCheckUtils]: 69: Hoare triple {11603#false} assume !(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {11603#false} is VALID [2020-07-18 05:15:38,143 INFO L280 TraceCheckUtils]: 70: Hoare triple {11603#false} assume !false; {11603#false} is VALID [2020-07-18 05:15:38,171 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:15:38,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2113057473] [2020-07-18 05:15:38,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 05:15:38,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-07-18 05:15:38,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286028421] [2020-07-18 05:15:38,173 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 71 [2020-07-18 05:15:38,173 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:38,173 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states. [2020-07-18 05:15:38,273 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:38,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-18 05:15:38,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:38,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-18 05:15:38,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=537, Unknown=0, NotChecked=0, Total=600 [2020-07-18 05:15:38,274 INFO L87 Difference]: Start difference. First operand 201 states and 209 transitions. Second operand 25 states. [2020-07-18 05:15:46,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:46,234 INFO L93 Difference]: Finished difference Result 278 states and 289 transitions. [2020-07-18 05:15:46,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-18 05:15:46,234 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 71 [2020-07-18 05:15:46,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:46,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-07-18 05:15:46,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 217 transitions. [2020-07-18 05:15:46,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-07-18 05:15:46,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 217 transitions. [2020-07-18 05:15:46,243 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 30 states and 217 transitions. [2020-07-18 05:15:46,573 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 217 edges. 217 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:46,582 INFO L225 Difference]: With dead ends: 278 [2020-07-18 05:15:46,583 INFO L226 Difference]: Without dead ends: 256 [2020-07-18 05:15:46,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=439, Invalid=2111, Unknown=0, NotChecked=0, Total=2550 [2020-07-18 05:15:46,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-07-18 05:15:48,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 217. [2020-07-18 05:15:48,172 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:48,172 INFO L82 GeneralOperation]: Start isEquivalent. First operand 256 states. Second operand 217 states. [2020-07-18 05:15:48,172 INFO L74 IsIncluded]: Start isIncluded. First operand 256 states. Second operand 217 states. [2020-07-18 05:15:48,172 INFO L87 Difference]: Start difference. First operand 256 states. Second operand 217 states. [2020-07-18 05:15:48,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:48,180 INFO L93 Difference]: Finished difference Result 256 states and 265 transitions. [2020-07-18 05:15:48,180 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 265 transitions. [2020-07-18 05:15:48,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:48,181 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:48,181 INFO L74 IsIncluded]: Start isIncluded. First operand 217 states. Second operand 256 states. [2020-07-18 05:15:48,181 INFO L87 Difference]: Start difference. First operand 217 states. Second operand 256 states. [2020-07-18 05:15:48,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:48,187 INFO L93 Difference]: Finished difference Result 256 states and 265 transitions. [2020-07-18 05:15:48,187 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 265 transitions. [2020-07-18 05:15:48,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:48,188 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:48,188 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:48,188 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:48,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-07-18 05:15:48,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 225 transitions. [2020-07-18 05:15:48,193 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 225 transitions. Word has length 71 [2020-07-18 05:15:48,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:48,193 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 225 transitions. [2020-07-18 05:15:48,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-18 05:15:48,193 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 217 states and 225 transitions. [2020-07-18 05:15:48,843 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 225 edges. 225 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:48,843 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 225 transitions. [2020-07-18 05:15:48,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-18 05:15:48,845 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:48,845 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:15:48,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-18 05:15:48,845 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:48,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:48,846 INFO L82 PathProgramCache]: Analyzing trace with hash 181469332, now seen corresponding path program 2 times [2020-07-18 05:15:48,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:48,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1361406304] [2020-07-18 05:15:48,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:49,284 INFO L280 TraceCheckUtils]: 0: Hoare triple {13211#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {13188#true} is VALID [2020-07-18 05:15:49,284 INFO L280 TraceCheckUtils]: 1: Hoare triple {13188#true} #valid := #valid[0 := 0]; {13188#true} is VALID [2020-07-18 05:15:49,285 INFO L280 TraceCheckUtils]: 2: Hoare triple {13188#true} assume 0 < #StackHeapBarrier; {13188#true} is VALID [2020-07-18 05:15:49,285 INFO L280 TraceCheckUtils]: 3: Hoare triple {13188#true} assume true; {13188#true} is VALID [2020-07-18 05:15:49,286 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {13188#true} {13188#true} #260#return; {13188#true} is VALID [2020-07-18 05:15:49,287 INFO L263 TraceCheckUtils]: 0: Hoare triple {13188#true} call ULTIMATE.init(); {13211#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:49,287 INFO L280 TraceCheckUtils]: 1: Hoare triple {13211#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {13188#true} is VALID [2020-07-18 05:15:49,287 INFO L280 TraceCheckUtils]: 2: Hoare triple {13188#true} #valid := #valid[0 := 0]; {13188#true} is VALID [2020-07-18 05:15:49,287 INFO L280 TraceCheckUtils]: 3: Hoare triple {13188#true} assume 0 < #StackHeapBarrier; {13188#true} is VALID [2020-07-18 05:15:49,287 INFO L280 TraceCheckUtils]: 4: Hoare triple {13188#true} assume true; {13188#true} is VALID [2020-07-18 05:15:49,288 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {13188#true} {13188#true} #260#return; {13188#true} is VALID [2020-07-18 05:15:49,288 INFO L263 TraceCheckUtils]: 6: Hoare triple {13188#true} call #t~ret21 := main(); {13188#true} is VALID [2020-07-18 05:15:49,288 INFO L280 TraceCheckUtils]: 7: Hoare triple {13188#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(12); srcloc: mainENTRY {13188#true} is VALID [2020-07-18 05:15:49,288 INFO L280 TraceCheckUtils]: 8: Hoare triple {13188#true} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {13188#true} is VALID [2020-07-18 05:15:49,288 INFO L280 TraceCheckUtils]: 9: Hoare triple {13188#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, ~null~0.offset, 4); srcloc: L988 {13188#true} is VALID [2020-07-18 05:15:49,289 INFO L280 TraceCheckUtils]: 10: Hoare triple {13188#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, 4 + ~null~0.offset, 4); srcloc: L988-1 {13188#true} is VALID [2020-07-18 05:15:49,289 INFO L280 TraceCheckUtils]: 11: Hoare triple {13188#true} SUMMARY for call write~int(~unnamed1~0~BLACK, ~null~0.base, 8 + ~null~0.offset, 4); srcloc: L989 {13188#true} is VALID [2020-07-18 05:15:49,290 INFO L280 TraceCheckUtils]: 12: Hoare triple {13188#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(12); srcloc: L990 {13195#(= 1 (select |#valid| |main_#t~malloc1.base|))} is VALID [2020-07-18 05:15:49,291 INFO L280 TraceCheckUtils]: 13: Hoare triple {13195#(= 1 (select |#valid| |main_#t~malloc1.base|))} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {13196#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:15:49,291 INFO L280 TraceCheckUtils]: 14: Hoare triple {13196#(= 1 (select |#valid| main_~list~0.base))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, ~list~0.offset, 4); srcloc: L993 {13196#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:15:49,292 INFO L280 TraceCheckUtils]: 15: Hoare triple {13196#(= 1 (select |#valid| main_~list~0.base))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-1 {13196#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:15:49,292 INFO L280 TraceCheckUtils]: 16: Hoare triple {13196#(= 1 (select |#valid| main_~list~0.base))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~list~0.base, 8 + ~list~0.offset, 4); srcloc: L994 {13196#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:15:49,293 INFO L280 TraceCheckUtils]: 17: Hoare triple {13196#(= 1 (select |#valid| main_~list~0.base))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {13197#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:49,294 INFO L280 TraceCheckUtils]: 18: Hoare triple {13197#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {13197#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:49,294 INFO L280 TraceCheckUtils]: 19: Hoare triple {13197#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} assume !!(0 != #t~nondet2); {13197#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:49,295 INFO L280 TraceCheckUtils]: 20: Hoare triple {13197#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} havoc #t~nondet2; {13197#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:49,296 INFO L280 TraceCheckUtils]: 21: Hoare triple {13197#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(12); srcloc: L1003 {13198#(and (= main_~list~0.offset main_~end~0.offset) (not (= |main_#t~malloc3.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:49,297 INFO L280 TraceCheckUtils]: 22: Hoare triple {13198#(and (= main_~list~0.offset main_~end~0.offset) (not (= |main_#t~malloc3.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base))} SUMMARY for call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1003-1 {13199#(and (= main_~list~0.offset main_~end~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:49,298 INFO L280 TraceCheckUtils]: 23: Hoare triple {13199#(and (= main_~list~0.offset main_~end~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1003-2 {13200#(and (= main_~list~0.offset main_~end~0.offset) (not (= |main_#t~mem4.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) |main_#t~mem4.base|))} is VALID [2020-07-18 05:15:49,299 INFO L280 TraceCheckUtils]: 24: Hoare triple {13200#(and (= main_~list~0.offset main_~end~0.offset) (not (= |main_#t~mem4.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) |main_#t~mem4.base|))} SUMMARY for call write~$Pointer$(~end~0.base, ~end~0.offset, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L1004 {13199#(and (= main_~list~0.offset main_~end~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:49,300 INFO L280 TraceCheckUtils]: 25: Hoare triple {13199#(and (= main_~list~0.offset main_~end~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base))} havoc #t~mem4.base, #t~mem4.offset; {13199#(and (= main_~list~0.offset main_~end~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:49,300 INFO L280 TraceCheckUtils]: 26: Hoare triple {13199#(and (= main_~list~0.offset main_~end~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1005 {13201#(and (not (= |main_#t~mem5.base| main_~list~0.base)) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:15:49,301 INFO L280 TraceCheckUtils]: 27: Hoare triple {13201#(and (not (= |main_#t~mem5.base| main_~list~0.base)) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} ~end~0.base, ~end~0.offset := #t~mem5.base, #t~mem5.offset; {13202#(and (not (= main_~list~0.base main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:15:49,302 INFO L280 TraceCheckUtils]: 28: Hoare triple {13202#(and (not (= main_~list~0.base main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} havoc #t~mem5.base, #t~mem5.offset; {13202#(and (not (= main_~list~0.base main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:15:49,303 INFO L280 TraceCheckUtils]: 29: Hoare triple {13202#(and (not (= main_~list~0.base main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1006 {13202#(and (not (= main_~list~0.base main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:15:49,304 INFO L280 TraceCheckUtils]: 30: Hoare triple {13202#(and (not (= main_~list~0.base main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {13202#(and (not (= main_~list~0.base main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:15:49,304 INFO L280 TraceCheckUtils]: 31: Hoare triple {13202#(and (not (= main_~list~0.base main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} assume 0 != #t~nondet6; {13202#(and (not (= main_~list~0.base main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:15:49,305 INFO L280 TraceCheckUtils]: 32: Hoare triple {13202#(and (not (= main_~list~0.base main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} havoc #t~nondet6; {13202#(and (not (= main_~list~0.base main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:15:49,306 INFO L280 TraceCheckUtils]: 33: Hoare triple {13202#(and (not (= main_~list~0.base main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1010 {13203#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:15:49,307 INFO L280 TraceCheckUtils]: 34: Hoare triple {13203#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} SUMMARY for call #t~mem10 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1021-6 {13203#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:15:49,308 INFO L280 TraceCheckUtils]: 35: Hoare triple {13203#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} assume !!(~unnamed1~0~BLACK == #t~mem10); {13203#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:15:49,308 INFO L280 TraceCheckUtils]: 36: Hoare triple {13203#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} havoc #t~mem10; {13203#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:15:49,309 INFO L280 TraceCheckUtils]: 37: Hoare triple {13203#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} goto; {13203#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:15:49,310 INFO L280 TraceCheckUtils]: 38: Hoare triple {13203#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} SUMMARY for call #t~mem11.base, #t~mem11.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1022-6 {13204#(and (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))} is VALID [2020-07-18 05:15:49,310 INFO L280 TraceCheckUtils]: 39: Hoare triple {13204#(and (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))} assume !!(~null~0.base == #t~mem11.base && ~null~0.offset == #t~mem11.offset); {13205#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))} is VALID [2020-07-18 05:15:49,311 INFO L280 TraceCheckUtils]: 40: Hoare triple {13205#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))} havoc #t~mem11.base, #t~mem11.offset; {13205#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))} is VALID [2020-07-18 05:15:49,312 INFO L280 TraceCheckUtils]: 41: Hoare triple {13205#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))} goto; {13205#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))} is VALID [2020-07-18 05:15:49,313 INFO L280 TraceCheckUtils]: 42: Hoare triple {13205#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {13205#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))} is VALID [2020-07-18 05:15:49,313 INFO L280 TraceCheckUtils]: 43: Hoare triple {13205#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))} goto; {13205#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))} is VALID [2020-07-18 05:15:49,314 INFO L280 TraceCheckUtils]: 44: Hoare triple {13205#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {13205#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))} is VALID [2020-07-18 05:15:49,315 INFO L280 TraceCheckUtils]: 45: Hoare triple {13205#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))} assume !(0 != #t~nondet2); {13205#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))} is VALID [2020-07-18 05:15:49,316 INFO L280 TraceCheckUtils]: 46: Hoare triple {13205#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))} havoc #t~nondet2; {13205#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))} is VALID [2020-07-18 05:15:49,316 INFO L280 TraceCheckUtils]: 47: Hoare triple {13205#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))} ~end~0.base, ~end~0.offset := ~null~0.base, ~null~0.offset; {13205#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))} is VALID [2020-07-18 05:15:49,317 INFO L280 TraceCheckUtils]: 48: Hoare triple {13205#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} is VALID [2020-07-18 05:15:49,318 INFO L280 TraceCheckUtils]: 49: Hoare triple {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} is VALID [2020-07-18 05:15:49,318 INFO L280 TraceCheckUtils]: 50: Hoare triple {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} goto; {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} is VALID [2020-07-18 05:15:49,319 INFO L280 TraceCheckUtils]: 51: Hoare triple {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} SUMMARY for call #t~mem12 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1031-6 {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} is VALID [2020-07-18 05:15:49,320 INFO L280 TraceCheckUtils]: 52: Hoare triple {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} assume !!(~unnamed1~0~BLACK == #t~mem12); {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} is VALID [2020-07-18 05:15:49,321 INFO L280 TraceCheckUtils]: 53: Hoare triple {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} havoc #t~mem12; {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} is VALID [2020-07-18 05:15:49,321 INFO L280 TraceCheckUtils]: 54: Hoare triple {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} goto; {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} is VALID [2020-07-18 05:15:49,322 INFO L280 TraceCheckUtils]: 55: Hoare triple {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} is VALID [2020-07-18 05:15:49,323 INFO L280 TraceCheckUtils]: 56: Hoare triple {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} SUMMARY for call #t~mem13 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1034 {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} is VALID [2020-07-18 05:15:49,324 INFO L280 TraceCheckUtils]: 57: Hoare triple {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} assume !(~unnamed1~0~RED == #t~mem13); {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} is VALID [2020-07-18 05:15:49,324 INFO L280 TraceCheckUtils]: 58: Hoare triple {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} havoc #t~mem13; {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} is VALID [2020-07-18 05:15:49,325 INFO L280 TraceCheckUtils]: 59: Hoare triple {13206#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))} SUMMARY for call #t~mem16.base, #t~mem16.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1034-4 {13207#(and (= (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|) main_~null~0.offset))} is VALID [2020-07-18 05:15:49,326 INFO L280 TraceCheckUtils]: 60: Hoare triple {13207#(and (= (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|) main_~null~0.offset))} ~end~0.base, ~end~0.offset := #t~mem16.base, #t~mem16.offset; {13208#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:49,326 INFO L280 TraceCheckUtils]: 61: Hoare triple {13208#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} havoc #t~mem16.base, #t~mem16.offset; {13208#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:49,327 INFO L280 TraceCheckUtils]: 62: Hoare triple {13208#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {13208#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:49,328 INFO L280 TraceCheckUtils]: 63: Hoare triple {13208#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} SUMMARY for call #t~mem13 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1034 {13208#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:49,328 INFO L280 TraceCheckUtils]: 64: Hoare triple {13208#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} assume !(~unnamed1~0~RED == #t~mem13); {13208#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:49,329 INFO L280 TraceCheckUtils]: 65: Hoare triple {13208#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} havoc #t~mem13; {13208#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} is VALID [2020-07-18 05:15:49,330 INFO L280 TraceCheckUtils]: 66: Hoare triple {13208#(and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset))} SUMMARY for call #t~mem16.base, #t~mem16.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1034-4 {13209#(and (= |main_#t~mem16.offset| main_~null~0.offset) (= |main_#t~mem16.base| main_~null~0.base))} is VALID [2020-07-18 05:15:49,330 INFO L280 TraceCheckUtils]: 67: Hoare triple {13209#(and (= |main_#t~mem16.offset| main_~null~0.offset) (= |main_#t~mem16.base| main_~null~0.base))} ~end~0.base, ~end~0.offset := #t~mem16.base, #t~mem16.offset; {13210#(and (= main_~end~0.offset main_~null~0.offset) (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:49,331 INFO L280 TraceCheckUtils]: 68: Hoare triple {13210#(and (= main_~end~0.offset main_~null~0.offset) (= main_~null~0.base main_~end~0.base))} havoc #t~mem16.base, #t~mem16.offset; {13210#(and (= main_~end~0.offset main_~null~0.offset) (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:15:49,331 INFO L280 TraceCheckUtils]: 69: Hoare triple {13210#(and (= main_~end~0.offset main_~null~0.offset) (= main_~null~0.base main_~end~0.base))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {13189#false} is VALID [2020-07-18 05:15:49,332 INFO L280 TraceCheckUtils]: 70: Hoare triple {13189#false} SUMMARY for call #t~mem13 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1034 {13189#false} is VALID [2020-07-18 05:15:49,332 INFO L280 TraceCheckUtils]: 71: Hoare triple {13189#false} assume ~unnamed1~0~RED == #t~mem13; {13189#false} is VALID [2020-07-18 05:15:49,332 INFO L280 TraceCheckUtils]: 72: Hoare triple {13189#false} havoc #t~mem13; {13189#false} is VALID [2020-07-18 05:15:49,332 INFO L280 TraceCheckUtils]: 73: Hoare triple {13189#false} SUMMARY for call #t~mem14.base, #t~mem14.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1036 {13189#false} is VALID [2020-07-18 05:15:49,332 INFO L280 TraceCheckUtils]: 74: Hoare triple {13189#false} ~end~0.base, ~end~0.offset := #t~mem14.base, #t~mem14.offset; {13189#false} is VALID [2020-07-18 05:15:49,333 INFO L280 TraceCheckUtils]: 75: Hoare triple {13189#false} havoc #t~mem14.base, #t~mem14.offset; {13189#false} is VALID [2020-07-18 05:15:49,333 INFO L280 TraceCheckUtils]: 76: Hoare triple {13189#false} assume !(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {13189#false} is VALID [2020-07-18 05:15:49,333 INFO L280 TraceCheckUtils]: 77: Hoare triple {13189#false} assume !false; {13189#false} is VALID [2020-07-18 05:15:49,351 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:15:49,352 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1361406304] [2020-07-18 05:15:49,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 05:15:49,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-07-18 05:15:49,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828830391] [2020-07-18 05:15:49,352 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 78 [2020-07-18 05:15:49,353 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:49,353 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states. [2020-07-18 05:15:49,454 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:49,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-18 05:15:49,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:49,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-18 05:15:49,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2020-07-18 05:15:49,456 INFO L87 Difference]: Start difference. First operand 217 states and 225 transitions. Second operand 19 states. [2020-07-18 05:15:55,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:55,143 INFO L93 Difference]: Finished difference Result 258 states and 267 transitions. [2020-07-18 05:15:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-18 05:15:55,143 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 78 [2020-07-18 05:15:55,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:55,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-18 05:15:55,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 195 transitions. [2020-07-18 05:15:55,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-18 05:15:55,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 195 transitions. [2020-07-18 05:15:55,149 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 24 states and 195 transitions. [2020-07-18 05:15:55,423 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 195 edges. 195 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:55,430 INFO L225 Difference]: With dead ends: 258 [2020-07-18 05:15:55,431 INFO L226 Difference]: Without dead ends: 212 [2020-07-18 05:15:55,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=220, Invalid=1262, Unknown=0, NotChecked=0, Total=1482 [2020-07-18 05:15:55,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-07-18 05:15:56,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 201. [2020-07-18 05:15:56,871 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:56,871 INFO L82 GeneralOperation]: Start isEquivalent. First operand 212 states. Second operand 201 states. [2020-07-18 05:15:56,871 INFO L74 IsIncluded]: Start isIncluded. First operand 212 states. Second operand 201 states. [2020-07-18 05:15:56,871 INFO L87 Difference]: Start difference. First operand 212 states. Second operand 201 states. [2020-07-18 05:15:56,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:56,876 INFO L93 Difference]: Finished difference Result 212 states and 219 transitions. [2020-07-18 05:15:56,876 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 219 transitions. [2020-07-18 05:15:56,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:56,877 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:56,877 INFO L74 IsIncluded]: Start isIncluded. First operand 201 states. Second operand 212 states. [2020-07-18 05:15:56,877 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 212 states. [2020-07-18 05:15:56,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:56,882 INFO L93 Difference]: Finished difference Result 212 states and 219 transitions. [2020-07-18 05:15:56,882 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 219 transitions. [2020-07-18 05:15:56,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:56,882 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:56,883 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:56,883 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:56,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-07-18 05:15:56,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 208 transitions. [2020-07-18 05:15:56,887 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 208 transitions. Word has length 78 [2020-07-18 05:15:56,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:56,887 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 208 transitions. [2020-07-18 05:15:56,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-18 05:15:56,887 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 201 states and 208 transitions. [2020-07-18 05:15:57,505 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 208 edges. 208 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:57,506 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 208 transitions. [2020-07-18 05:15:57,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-18 05:15:57,507 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:57,507 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-18 05:15:57,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-18 05:15:57,508 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:57,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:57,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1069144387, now seen corresponding path program 2 times [2020-07-18 05:15:57,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:57,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1135614219] [2020-07-18 05:15:57,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:58,578 INFO L280 TraceCheckUtils]: 0: Hoare triple {14623#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {14596#true} is VALID [2020-07-18 05:15:58,578 INFO L280 TraceCheckUtils]: 1: Hoare triple {14596#true} #valid := #valid[0 := 0]; {14596#true} is VALID [2020-07-18 05:15:58,578 INFO L280 TraceCheckUtils]: 2: Hoare triple {14596#true} assume 0 < #StackHeapBarrier; {14596#true} is VALID [2020-07-18 05:15:58,579 INFO L280 TraceCheckUtils]: 3: Hoare triple {14596#true} assume true; {14596#true} is VALID [2020-07-18 05:15:58,579 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {14596#true} {14596#true} #260#return; {14596#true} is VALID [2020-07-18 05:15:58,580 INFO L263 TraceCheckUtils]: 0: Hoare triple {14596#true} call ULTIMATE.init(); {14623#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:58,580 INFO L280 TraceCheckUtils]: 1: Hoare triple {14623#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {14596#true} is VALID [2020-07-18 05:15:58,580 INFO L280 TraceCheckUtils]: 2: Hoare triple {14596#true} #valid := #valid[0 := 0]; {14596#true} is VALID [2020-07-18 05:15:58,580 INFO L280 TraceCheckUtils]: 3: Hoare triple {14596#true} assume 0 < #StackHeapBarrier; {14596#true} is VALID [2020-07-18 05:15:58,580 INFO L280 TraceCheckUtils]: 4: Hoare triple {14596#true} assume true; {14596#true} is VALID [2020-07-18 05:15:58,581 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {14596#true} {14596#true} #260#return; {14596#true} is VALID [2020-07-18 05:15:58,581 INFO L263 TraceCheckUtils]: 6: Hoare triple {14596#true} call #t~ret21 := main(); {14596#true} is VALID [2020-07-18 05:15:58,581 INFO L280 TraceCheckUtils]: 7: Hoare triple {14596#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(12); srcloc: mainENTRY {14603#(= 0 |main_#t~malloc0.offset|)} is VALID [2020-07-18 05:15:58,582 INFO L280 TraceCheckUtils]: 8: Hoare triple {14603#(= 0 |main_#t~malloc0.offset|)} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {14596#true} is VALID [2020-07-18 05:15:58,582 INFO L280 TraceCheckUtils]: 9: Hoare triple {14596#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, ~null~0.offset, 4); srcloc: L988 {14596#true} is VALID [2020-07-18 05:15:58,582 INFO L280 TraceCheckUtils]: 10: Hoare triple {14596#true} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, 4 + ~null~0.offset, 4); srcloc: L988-1 {14596#true} is VALID [2020-07-18 05:15:58,582 INFO L280 TraceCheckUtils]: 11: Hoare triple {14596#true} SUMMARY for call write~int(~unnamed1~0~BLACK, ~null~0.base, 8 + ~null~0.offset, 4); srcloc: L989 {14596#true} is VALID [2020-07-18 05:15:58,584 INFO L280 TraceCheckUtils]: 12: Hoare triple {14596#true} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(12); srcloc: L990 {14604#(and (= 1 (select |#valid| |main_#t~malloc1.base|)) (= 0 |main_#t~malloc1.offset|))} is VALID [2020-07-18 05:15:58,585 INFO L280 TraceCheckUtils]: 13: Hoare triple {14604#(and (= 1 (select |#valid| |main_#t~malloc1.base|)) (= 0 |main_#t~malloc1.offset|))} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {14605#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:15:58,585 INFO L280 TraceCheckUtils]: 14: Hoare triple {14605#(= 1 (select |#valid| main_~list~0.base))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, ~list~0.offset, 4); srcloc: L993 {14605#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:15:58,586 INFO L280 TraceCheckUtils]: 15: Hoare triple {14605#(= 1 (select |#valid| main_~list~0.base))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-1 {14605#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:15:58,587 INFO L280 TraceCheckUtils]: 16: Hoare triple {14605#(= 1 (select |#valid| main_~list~0.base))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~list~0.base, 8 + ~list~0.offset, 4); srcloc: L994 {14606#(and (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:58,588 INFO L280 TraceCheckUtils]: 17: Hoare triple {14606#(and (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {14607#(and (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,589 INFO L280 TraceCheckUtils]: 18: Hoare triple {14607#(and (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {14607#(and (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,590 INFO L280 TraceCheckUtils]: 19: Hoare triple {14607#(and (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} assume !!(0 != #t~nondet2); {14607#(and (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,590 INFO L280 TraceCheckUtils]: 20: Hoare triple {14607#(and (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} havoc #t~nondet2; {14607#(and (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,592 INFO L280 TraceCheckUtils]: 21: Hoare triple {14607#(and (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(12); srcloc: L1003 {14608#(and (= 1 (select |#valid| |main_#t~malloc3.base|)) (not (= |main_#t~malloc3.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,598 INFO L280 TraceCheckUtils]: 22: Hoare triple {14608#(and (= 1 (select |#valid| |main_#t~malloc3.base|)) (not (= |main_#t~malloc3.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1003-1 {14609#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,599 INFO L280 TraceCheckUtils]: 23: Hoare triple {14609#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1003-2 {14610#(and (not (= |main_#t~mem4.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) |main_#t~mem4.base|) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,601 INFO L280 TraceCheckUtils]: 24: Hoare triple {14610#(and (not (= |main_#t~mem4.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) |main_#t~mem4.base|) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call write~$Pointer$(~end~0.base, ~end~0.offset, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L1004 {14609#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,602 INFO L280 TraceCheckUtils]: 25: Hoare triple {14609#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)))} havoc #t~mem4.base, #t~mem4.offset; {14609#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,603 INFO L280 TraceCheckUtils]: 26: Hoare triple {14609#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_int| main_~end~0.base) (+ main_~list~0.offset 8)) ~unnamed1~0~BLACK) (not (= (+ main_~list~0.offset 8) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1005 {14611#(and (not (= |main_#t~mem5.base| main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= (select |#valid| |main_#t~mem5.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:58,603 INFO L280 TraceCheckUtils]: 27: Hoare triple {14611#(and (not (= |main_#t~mem5.base| main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= (select |#valid| |main_#t~mem5.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} ~end~0.base, ~end~0.offset := #t~mem5.base, #t~mem5.offset; {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,604 INFO L280 TraceCheckUtils]: 28: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} havoc #t~mem5.base, #t~mem5.offset; {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,605 INFO L280 TraceCheckUtils]: 29: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1006 {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,606 INFO L280 TraceCheckUtils]: 30: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,607 INFO L280 TraceCheckUtils]: 31: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} assume 0 != #t~nondet6; {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,608 INFO L280 TraceCheckUtils]: 32: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} havoc #t~nondet6; {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,609 INFO L280 TraceCheckUtils]: 33: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1010 {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,610 INFO L280 TraceCheckUtils]: 34: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call #t~mem10 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1021-6 {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,611 INFO L280 TraceCheckUtils]: 35: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} assume !!(~unnamed1~0~BLACK == #t~mem10); {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,612 INFO L280 TraceCheckUtils]: 36: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} havoc #t~mem10; {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,613 INFO L280 TraceCheckUtils]: 37: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} goto; {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,614 INFO L280 TraceCheckUtils]: 38: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call #t~mem11.base, #t~mem11.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1022-6 {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,615 INFO L280 TraceCheckUtils]: 39: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} assume !!(~null~0.base == #t~mem11.base && ~null~0.offset == #t~mem11.offset); {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,615 INFO L280 TraceCheckUtils]: 40: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} havoc #t~mem11.base, #t~mem11.offset; {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,616 INFO L280 TraceCheckUtils]: 41: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} goto; {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,617 INFO L280 TraceCheckUtils]: 42: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,618 INFO L280 TraceCheckUtils]: 43: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} goto; {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,619 INFO L280 TraceCheckUtils]: 44: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,619 INFO L280 TraceCheckUtils]: 45: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} assume !!(0 != #t~nondet2); {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,620 INFO L280 TraceCheckUtils]: 46: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} havoc #t~nondet2; {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:15:58,622 INFO L280 TraceCheckUtils]: 47: Hoare triple {14612#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(12); srcloc: L1003 {14613#(and (not (= main_~list~0.base main_~end~0.base)) (not (= |main_#t~malloc3.base| main_~list~0.base)) (not (= |main_#t~malloc3.base| main_~end~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:58,626 INFO L280 TraceCheckUtils]: 48: Hoare triple {14613#(and (not (= main_~list~0.base main_~end~0.base)) (not (= |main_#t~malloc3.base| main_~list~0.base)) (not (= |main_#t~malloc3.base| main_~end~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} SUMMARY for call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1003-1 {14614#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))} is VALID [2020-07-18 05:15:58,627 INFO L280 TraceCheckUtils]: 49: Hoare triple {14614#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1003-2 {14615#(and (not (= |main_#t~mem4.base| main_~end~0.base)) (not (= |main_#t~mem4.base| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))} is VALID [2020-07-18 05:15:58,628 INFO L280 TraceCheckUtils]: 50: Hoare triple {14615#(and (not (= |main_#t~mem4.base| main_~end~0.base)) (not (= |main_#t~mem4.base| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))} SUMMARY for call write~$Pointer$(~end~0.base, ~end~0.offset, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L1004 {14616#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))} is VALID [2020-07-18 05:15:58,629 INFO L280 TraceCheckUtils]: 51: Hoare triple {14616#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))} havoc #t~mem4.base, #t~mem4.offset; {14616#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))} is VALID [2020-07-18 05:15:58,633 INFO L280 TraceCheckUtils]: 52: Hoare triple {14616#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1005 {14617#(and (not (= |main_#t~mem5.base| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:58,634 INFO L280 TraceCheckUtils]: 53: Hoare triple {14617#(and (not (= |main_#t~mem5.base| main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} ~end~0.base, ~end~0.offset := #t~mem5.base, #t~mem5.offset; {14618#(and (not (= main_~list~0.base main_~end~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:58,634 INFO L280 TraceCheckUtils]: 54: Hoare triple {14618#(and (not (= main_~list~0.base main_~end~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} havoc #t~mem5.base, #t~mem5.offset; {14618#(and (not (= main_~list~0.base main_~end~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} is VALID [2020-07-18 05:15:58,636 INFO L280 TraceCheckUtils]: 55: Hoare triple {14618#(and (not (= main_~list~0.base main_~end~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1006 {14619#(= ~unnamed1~0~BLACK (select (select (store |#memory_int| main_~end~0.base (store (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8) ~unnamed1~0~BLACK)) main_~list~0.base) (+ main_~list~0.offset 8)))} is VALID [2020-07-18 05:15:58,636 INFO L280 TraceCheckUtils]: 56: Hoare triple {14619#(= ~unnamed1~0~BLACK (select (select (store |#memory_int| main_~end~0.base (store (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8) ~unnamed1~0~BLACK)) main_~list~0.base) (+ main_~list~0.offset 8)))} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {14619#(= ~unnamed1~0~BLACK (select (select (store |#memory_int| main_~end~0.base (store (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8) ~unnamed1~0~BLACK)) main_~list~0.base) (+ main_~list~0.offset 8)))} is VALID [2020-07-18 05:15:58,637 INFO L280 TraceCheckUtils]: 57: Hoare triple {14619#(= ~unnamed1~0~BLACK (select (select (store |#memory_int| main_~end~0.base (store (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8) ~unnamed1~0~BLACK)) main_~list~0.base) (+ main_~list~0.offset 8)))} assume 0 != #t~nondet6; {14619#(= ~unnamed1~0~BLACK (select (select (store |#memory_int| main_~end~0.base (store (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8) ~unnamed1~0~BLACK)) main_~list~0.base) (+ main_~list~0.offset 8)))} is VALID [2020-07-18 05:15:58,637 INFO L280 TraceCheckUtils]: 58: Hoare triple {14619#(= ~unnamed1~0~BLACK (select (select (store |#memory_int| main_~end~0.base (store (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8) ~unnamed1~0~BLACK)) main_~list~0.base) (+ main_~list~0.offset 8)))} havoc #t~nondet6; {14619#(= ~unnamed1~0~BLACK (select (select (store |#memory_int| main_~end~0.base (store (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8) ~unnamed1~0~BLACK)) main_~list~0.base) (+ main_~list~0.offset 8)))} is VALID [2020-07-18 05:15:58,638 INFO L280 TraceCheckUtils]: 59: Hoare triple {14619#(= ~unnamed1~0~BLACK (select (select (store |#memory_int| main_~end~0.base (store (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8) ~unnamed1~0~BLACK)) main_~list~0.base) (+ main_~list~0.offset 8)))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1010 {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} is VALID [2020-07-18 05:15:58,639 INFO L280 TraceCheckUtils]: 60: Hoare triple {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} SUMMARY for call #t~mem10 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1021-6 {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} is VALID [2020-07-18 05:15:58,639 INFO L280 TraceCheckUtils]: 61: Hoare triple {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} assume !!(~unnamed1~0~BLACK == #t~mem10); {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} is VALID [2020-07-18 05:15:58,640 INFO L280 TraceCheckUtils]: 62: Hoare triple {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} havoc #t~mem10; {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} is VALID [2020-07-18 05:15:58,640 INFO L280 TraceCheckUtils]: 63: Hoare triple {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} goto; {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} is VALID [2020-07-18 05:15:58,641 INFO L280 TraceCheckUtils]: 64: Hoare triple {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} SUMMARY for call #t~mem11.base, #t~mem11.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1022-6 {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} is VALID [2020-07-18 05:15:58,641 INFO L280 TraceCheckUtils]: 65: Hoare triple {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} assume !!(~null~0.base == #t~mem11.base && ~null~0.offset == #t~mem11.offset); {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} is VALID [2020-07-18 05:15:58,642 INFO L280 TraceCheckUtils]: 66: Hoare triple {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} havoc #t~mem11.base, #t~mem11.offset; {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} is VALID [2020-07-18 05:15:58,643 INFO L280 TraceCheckUtils]: 67: Hoare triple {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} goto; {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} is VALID [2020-07-18 05:15:58,643 INFO L280 TraceCheckUtils]: 68: Hoare triple {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} is VALID [2020-07-18 05:15:58,644 INFO L280 TraceCheckUtils]: 69: Hoare triple {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} goto; {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} is VALID [2020-07-18 05:15:58,644 INFO L280 TraceCheckUtils]: 70: Hoare triple {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} is VALID [2020-07-18 05:15:58,645 INFO L280 TraceCheckUtils]: 71: Hoare triple {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} assume !(0 != #t~nondet2); {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} is VALID [2020-07-18 05:15:58,645 INFO L280 TraceCheckUtils]: 72: Hoare triple {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} havoc #t~nondet2; {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} is VALID [2020-07-18 05:15:58,646 INFO L280 TraceCheckUtils]: 73: Hoare triple {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} ~end~0.base, ~end~0.offset := ~null~0.base, ~null~0.offset; {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} is VALID [2020-07-18 05:15:58,646 INFO L280 TraceCheckUtils]: 74: Hoare triple {14620#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {14621#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} is VALID [2020-07-18 05:15:58,647 INFO L280 TraceCheckUtils]: 75: Hoare triple {14621#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {14621#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} is VALID [2020-07-18 05:15:58,648 INFO L280 TraceCheckUtils]: 76: Hoare triple {14621#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} goto; {14621#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} is VALID [2020-07-18 05:15:58,649 INFO L280 TraceCheckUtils]: 77: Hoare triple {14621#(= ~unnamed1~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))} SUMMARY for call #t~mem12 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1031-6 {14622#(= ~unnamed1~0~BLACK |main_#t~mem12|)} is VALID [2020-07-18 05:15:58,649 INFO L280 TraceCheckUtils]: 78: Hoare triple {14622#(= ~unnamed1~0~BLACK |main_#t~mem12|)} assume !(~unnamed1~0~BLACK == #t~mem12); {14597#false} is VALID [2020-07-18 05:15:58,650 INFO L280 TraceCheckUtils]: 79: Hoare triple {14597#false} havoc #t~mem12; {14597#false} is VALID [2020-07-18 05:15:58,650 INFO L280 TraceCheckUtils]: 80: Hoare triple {14597#false} assume !false; {14597#false} is VALID [2020-07-18 05:15:58,693 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:15:58,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1135614219] [2020-07-18 05:15:58,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 05:15:58,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-07-18 05:15:58,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662389989] [2020-07-18 05:15:58,695 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 81 [2020-07-18 05:15:58,696 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:58,696 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states. [2020-07-18 05:15:58,828 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:58,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-18 05:15:58,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:58,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-18 05:15:58,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2020-07-18 05:15:58,829 INFO L87 Difference]: Start difference. First operand 201 states and 208 transitions. Second operand 23 states. [2020-07-18 05:16:05,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:05,629 INFO L93 Difference]: Finished difference Result 281 states and 291 transitions. [2020-07-18 05:16:05,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-18 05:16:05,629 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 81 [2020-07-18 05:16:05,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:16:05,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-07-18 05:16:05,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 216 transitions. [2020-07-18 05:16:05,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-07-18 05:16:05,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 216 transitions. [2020-07-18 05:16:05,632 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 216 transitions. [2020-07-18 05:16:05,960 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 216 edges. 216 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:05,966 INFO L225 Difference]: With dead ends: 281 [2020-07-18 05:16:05,966 INFO L226 Difference]: Without dead ends: 278 [2020-07-18 05:16:05,967 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=458, Invalid=1522, Unknown=0, NotChecked=0, Total=1980 [2020-07-18 05:16:05,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-07-18 05:16:07,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 227. [2020-07-18 05:16:07,608 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:16:07,609 INFO L82 GeneralOperation]: Start isEquivalent. First operand 278 states. Second operand 227 states. [2020-07-18 05:16:07,609 INFO L74 IsIncluded]: Start isIncluded. First operand 278 states. Second operand 227 states. [2020-07-18 05:16:07,609 INFO L87 Difference]: Start difference. First operand 278 states. Second operand 227 states. [2020-07-18 05:16:07,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:07,618 INFO L93 Difference]: Finished difference Result 278 states and 288 transitions. [2020-07-18 05:16:07,618 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 288 transitions. [2020-07-18 05:16:07,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:07,619 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:07,619 INFO L74 IsIncluded]: Start isIncluded. First operand 227 states. Second operand 278 states. [2020-07-18 05:16:07,619 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 278 states. [2020-07-18 05:16:07,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:07,625 INFO L93 Difference]: Finished difference Result 278 states and 288 transitions. [2020-07-18 05:16:07,625 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 288 transitions. [2020-07-18 05:16:07,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:07,626 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:07,626 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:16:07,626 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:16:07,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-07-18 05:16:07,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 236 transitions. [2020-07-18 05:16:07,630 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 236 transitions. Word has length 81 [2020-07-18 05:16:07,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:16:07,631 INFO L479 AbstractCegarLoop]: Abstraction has 227 states and 236 transitions. [2020-07-18 05:16:07,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-18 05:16:07,631 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 227 states and 236 transitions. [2020-07-18 05:16:08,327 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 236 edges. 236 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:08,328 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 236 transitions. [2020-07-18 05:16:08,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-18 05:16:08,329 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:16:08,330 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:16:08,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-18 05:16:08,330 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:16:08,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:16:08,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1841803199, now seen corresponding path program 1 times [2020-07-18 05:16:08,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:16:08,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1091380420] [2020-07-18 05:16:08,331 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:16:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:09,749 INFO L280 TraceCheckUtils]: 0: Hoare triple {16275#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {16242#true} is VALID [2020-07-18 05:16:09,750 INFO L280 TraceCheckUtils]: 1: Hoare triple {16242#true} #valid := #valid[0 := 0]; {16242#true} is VALID [2020-07-18 05:16:09,750 INFO L280 TraceCheckUtils]: 2: Hoare triple {16242#true} assume 0 < #StackHeapBarrier; {16242#true} is VALID [2020-07-18 05:16:09,750 INFO L280 TraceCheckUtils]: 3: Hoare triple {16242#true} assume true; {16242#true} is VALID [2020-07-18 05:16:09,750 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {16242#true} {16242#true} #260#return; {16242#true} is VALID [2020-07-18 05:16:09,751 INFO L263 TraceCheckUtils]: 0: Hoare triple {16242#true} call ULTIMATE.init(); {16275#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:16:09,751 INFO L280 TraceCheckUtils]: 1: Hoare triple {16275#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {16242#true} is VALID [2020-07-18 05:16:09,751 INFO L280 TraceCheckUtils]: 2: Hoare triple {16242#true} #valid := #valid[0 := 0]; {16242#true} is VALID [2020-07-18 05:16:09,751 INFO L280 TraceCheckUtils]: 3: Hoare triple {16242#true} assume 0 < #StackHeapBarrier; {16242#true} is VALID [2020-07-18 05:16:09,751 INFO L280 TraceCheckUtils]: 4: Hoare triple {16242#true} assume true; {16242#true} is VALID [2020-07-18 05:16:09,751 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {16242#true} {16242#true} #260#return; {16242#true} is VALID [2020-07-18 05:16:09,751 INFO L263 TraceCheckUtils]: 6: Hoare triple {16242#true} call #t~ret21 := main(); {16242#true} is VALID [2020-07-18 05:16:09,752 INFO L280 TraceCheckUtils]: 7: Hoare triple {16242#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(12); srcloc: mainENTRY {16249#(= 0 |main_#t~malloc0.offset|)} is VALID [2020-07-18 05:16:09,752 INFO L280 TraceCheckUtils]: 8: Hoare triple {16249#(= 0 |main_#t~malloc0.offset|)} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {16250#(= 0 main_~null~0.offset)} is VALID [2020-07-18 05:16:09,753 INFO L280 TraceCheckUtils]: 9: Hoare triple {16250#(= 0 main_~null~0.offset)} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, ~null~0.offset, 4); srcloc: L988 {16250#(= 0 main_~null~0.offset)} is VALID [2020-07-18 05:16:09,753 INFO L280 TraceCheckUtils]: 10: Hoare triple {16250#(= 0 main_~null~0.offset)} SUMMARY for call write~$Pointer$(0, 0, ~null~0.base, 4 + ~null~0.offset, 4); srcloc: L988-1 {16250#(= 0 main_~null~0.offset)} is VALID [2020-07-18 05:16:09,754 INFO L280 TraceCheckUtils]: 11: Hoare triple {16250#(= 0 main_~null~0.offset)} SUMMARY for call write~int(~unnamed1~0~BLACK, ~null~0.base, 8 + ~null~0.offset, 4); srcloc: L989 {16250#(= 0 main_~null~0.offset)} is VALID [2020-07-18 05:16:09,755 INFO L280 TraceCheckUtils]: 12: Hoare triple {16250#(= 0 main_~null~0.offset)} SUMMARY for call #t~malloc1.base, #t~malloc1.offset := #Ultimate.allocOnHeap(12); srcloc: L990 {16251#(and (= 1 (select |#valid| |main_#t~malloc1.base|)) (= 0 main_~null~0.offset) (= 0 |main_#t~malloc1.offset|))} is VALID [2020-07-18 05:16:09,755 INFO L280 TraceCheckUtils]: 13: Hoare triple {16251#(and (= 1 (select |#valid| |main_#t~malloc1.base|)) (= 0 main_~null~0.offset) (= 0 |main_#t~malloc1.offset|))} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {16252#(and (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:16:09,756 INFO L280 TraceCheckUtils]: 14: Hoare triple {16252#(and (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, ~list~0.offset, 4); srcloc: L993 {16252#(and (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:16:09,757 INFO L280 TraceCheckUtils]: 15: Hoare triple {16252#(and (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-1 {16252#(and (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:16:09,757 INFO L280 TraceCheckUtils]: 16: Hoare triple {16252#(and (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~list~0.base, 8 + ~list~0.offset, 4); srcloc: L994 {16252#(and (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:16:09,758 INFO L280 TraceCheckUtils]: 17: Hoare triple {16252#(and (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {16253#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:16:09,758 INFO L280 TraceCheckUtils]: 18: Hoare triple {16253#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {16253#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:16:09,759 INFO L280 TraceCheckUtils]: 19: Hoare triple {16253#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} assume !!(0 != #t~nondet2); {16253#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:16:09,759 INFO L280 TraceCheckUtils]: 20: Hoare triple {16253#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} havoc #t~nondet2; {16253#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} is VALID [2020-07-18 05:16:09,760 INFO L280 TraceCheckUtils]: 21: Hoare triple {16253#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)))} SUMMARY for call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(12); srcloc: L1003 {16254#(and (= 1 (select |#valid| |main_#t~malloc3.base|)) (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (not (= |main_#t~malloc3.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base))} is VALID [2020-07-18 05:16:09,761 INFO L280 TraceCheckUtils]: 22: Hoare triple {16254#(and (= 1 (select |#valid| |main_#t~malloc3.base|)) (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (not (= |main_#t~malloc3.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base))} SUMMARY for call write~$Pointer$(#t~malloc3.base, #t~malloc3.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1003-1 {16255#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))} is VALID [2020-07-18 05:16:09,762 INFO L280 TraceCheckUtils]: 23: Hoare triple {16255#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1003-2 {16256#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (not (= |main_#t~mem4.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) |main_#t~mem4.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))} is VALID [2020-07-18 05:16:09,764 INFO L280 TraceCheckUtils]: 24: Hoare triple {16256#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (not (= |main_#t~mem4.base| main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) |main_#t~mem4.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))} SUMMARY for call write~$Pointer$(~end~0.base, ~end~0.offset, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L1004 {16255#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))} is VALID [2020-07-18 05:16:09,764 INFO L280 TraceCheckUtils]: 25: Hoare triple {16255#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))} havoc #t~mem4.base, #t~mem4.offset; {16255#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))} is VALID [2020-07-18 05:16:09,765 INFO L280 TraceCheckUtils]: 26: Hoare triple {16255#(and (= main_~list~0.offset main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1005 {16257#(and (not (= |main_#t~mem5.base| main_~list~0.base)) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| |main_#t~mem5.base|) 1) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:16:09,766 INFO L280 TraceCheckUtils]: 27: Hoare triple {16257#(and (not (= |main_#t~mem5.base| main_~list~0.base)) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| |main_#t~mem5.base|) 1) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} ~end~0.base, ~end~0.offset := #t~mem5.base, #t~mem5.offset; {16258#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:16:09,767 INFO L280 TraceCheckUtils]: 28: Hoare triple {16258#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))} havoc #t~mem5.base, #t~mem5.offset; {16258#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:16:09,769 INFO L280 TraceCheckUtils]: 29: Hoare triple {16258#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1006 {16258#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:16:09,770 INFO L280 TraceCheckUtils]: 30: Hoare triple {16258#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {16258#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:16:09,770 INFO L280 TraceCheckUtils]: 31: Hoare triple {16258#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))} assume !(0 != #t~nondet6); {16258#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:16:09,771 INFO L280 TraceCheckUtils]: 32: Hoare triple {16258#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))} havoc #t~nondet6; {16258#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:16:09,772 INFO L280 TraceCheckUtils]: 33: Hoare triple {16258#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))} SUMMARY for call write~int(~unnamed1~0~RED, ~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1014 {16258#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:16:09,773 INFO L280 TraceCheckUtils]: 34: Hoare triple {16258#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset)))} SUMMARY for call #t~malloc7.base, #t~malloc7.offset := #Ultimate.allocOnHeap(12); srcloc: L1014-1 {16259#(and (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc7.offset|)) main_~list~0.base) main_~list~0.offset) main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc7.base|)) main_~list~0.base) main_~list~0.offset) main_~end~0.base) (not (= |main_#t~malloc7.base| main_~end~0.base)) (= 0 |main_#t~malloc7.offset|))} is VALID [2020-07-18 05:16:09,775 INFO L280 TraceCheckUtils]: 35: Hoare triple {16259#(and (= (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset |main_#t~malloc7.offset|)) main_~list~0.base) main_~list~0.offset) main_~end~0.offset) (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset |main_#t~malloc7.base|)) main_~list~0.base) main_~list~0.offset) main_~end~0.base) (not (= |main_#t~malloc7.base| main_~end~0.base)) (= 0 |main_#t~malloc7.offset|))} SUMMARY for call write~$Pointer$(#t~malloc7.base, #t~malloc7.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1015 {16260#(and (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:16:09,777 INFO L280 TraceCheckUtils]: 36: Hoare triple {16260#(and (= 0 main_~null~0.offset) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} SUMMARY for call #t~mem8.base, #t~mem8.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1015-1 {16261#(and (= 0 main_~null~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (or (and (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) |main_#t~mem8.base|) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= |main_#t~mem8.base| main_~end~0.base)))} is VALID [2020-07-18 05:16:09,779 INFO L280 TraceCheckUtils]: 37: Hoare triple {16261#(and (= 0 main_~null~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (or (and (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) |main_#t~mem8.base|) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= |main_#t~mem8.base| main_~end~0.base)))} SUMMARY for call write~$Pointer$(~end~0.base, ~end~0.offset, #t~mem8.base, 4 + #t~mem8.offset, 4); srcloc: L1016 {16262#(and (= 0 main_~null~0.offset) (or (and (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:16:09,779 INFO L280 TraceCheckUtils]: 38: Hoare triple {16262#(and (= 0 main_~null~0.offset) (or (and (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} havoc #t~mem8.base, #t~mem8.offset; {16262#(and (= 0 main_~null~0.offset) (or (and (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:16:09,780 INFO L280 TraceCheckUtils]: 39: Hoare triple {16262#(and (= 0 main_~null~0.offset) (or (and (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))} SUMMARY for call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1017 {16263#(and (= 0 main_~null~0.offset) (or (and (= 0 main_~list~0.offset) (not (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= 0 main_~list~0.offset) (= |main_#t~mem9.base| main_~list~0.base))) (= 0 |main_#t~mem9.offset|))} is VALID [2020-07-18 05:16:09,782 INFO L280 TraceCheckUtils]: 40: Hoare triple {16263#(and (= 0 main_~null~0.offset) (or (and (= 0 main_~list~0.offset) (not (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= 0 main_~list~0.offset) (= |main_#t~mem9.base| main_~list~0.base))) (= 0 |main_#t~mem9.offset|))} ~end~0.base, ~end~0.offset := #t~mem9.base, #t~mem9.offset; {16264#(and (or (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) main_~end~0.base))) (and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))) (= 0 main_~end~0.offset))} is VALID [2020-07-18 05:16:09,783 INFO L280 TraceCheckUtils]: 41: Hoare triple {16264#(and (or (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) main_~end~0.base))) (and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))) (= 0 main_~end~0.offset))} havoc #t~mem9.base, #t~mem9.offset; {16264#(and (or (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) main_~end~0.base))) (and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))) (= 0 main_~end~0.offset))} is VALID [2020-07-18 05:16:09,784 INFO L280 TraceCheckUtils]: 42: Hoare triple {16264#(and (or (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) main_~end~0.base))) (and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))) (= 0 main_~end~0.offset))} SUMMARY for call write~$Pointer$(~null~0.base, ~null~0.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1018 {16264#(and (or (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) main_~end~0.base))) (and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))) (= 0 main_~end~0.offset))} is VALID [2020-07-18 05:16:09,785 INFO L280 TraceCheckUtils]: 43: Hoare triple {16264#(and (or (and (= main_~end~0.base (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~end~0.base (store (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset main_~null~0.offset)) main_~list~0.base) main_~list~0.offset))) (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~end~0.base (store (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset main_~null~0.base)) main_~list~0.base) main_~list~0.offset) main_~end~0.base))) (and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))) (= 0 main_~end~0.offset))} SUMMARY for call write~int(~unnamed1~0~BLACK, ~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1018-1 {16265#(and (or (and (= 0 main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))) (= 0 main_~end~0.offset))} is VALID [2020-07-18 05:16:09,786 INFO L280 TraceCheckUtils]: 44: Hoare triple {16265#(and (or (and (= 0 main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))) (= 0 main_~end~0.offset))} SUMMARY for call #t~mem10 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1021-6 {16265#(and (or (and (= 0 main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))) (= 0 main_~end~0.offset))} is VALID [2020-07-18 05:16:09,787 INFO L280 TraceCheckUtils]: 45: Hoare triple {16265#(and (or (and (= 0 main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))) (= 0 main_~end~0.offset))} assume !!(~unnamed1~0~BLACK == #t~mem10); {16265#(and (or (and (= 0 main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))) (= 0 main_~end~0.offset))} is VALID [2020-07-18 05:16:09,787 INFO L280 TraceCheckUtils]: 46: Hoare triple {16265#(and (or (and (= 0 main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))) (= 0 main_~end~0.offset))} havoc #t~mem10; {16265#(and (or (and (= 0 main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))) (= 0 main_~end~0.offset))} is VALID [2020-07-18 05:16:09,788 INFO L280 TraceCheckUtils]: 47: Hoare triple {16265#(and (or (and (= 0 main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))) (= 0 main_~end~0.offset))} goto; {16265#(and (or (and (= 0 main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))) (= 0 main_~end~0.offset))} is VALID [2020-07-18 05:16:09,788 INFO L280 TraceCheckUtils]: 48: Hoare triple {16265#(and (or (and (= 0 main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))) (= 0 main_~end~0.offset))} SUMMARY for call #t~mem11.base, #t~mem11.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1022-6 {16266#(and (or (and (= main_~list~0.offset main_~end~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) |main_#t~mem11.offset|) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) |main_#t~mem11.base|) (= main_~list~0.base main_~end~0.base)) (and (= 0 main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base))) (= 0 main_~end~0.offset))} is VALID [2020-07-18 05:16:09,789 INFO L280 TraceCheckUtils]: 49: Hoare triple {16266#(and (or (and (= main_~list~0.offset main_~end~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) |main_#t~mem11.offset|) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) |main_#t~mem11.base|) (= main_~list~0.base main_~end~0.base)) (and (= 0 main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base))) (= 0 main_~end~0.offset))} assume !!(~null~0.base == #t~mem11.base && ~null~0.offset == #t~mem11.offset); {16267#(and (= 0 main_~end~0.offset) (or (and (= main_~list~0.offset main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset) (= main_~list~0.base main_~end~0.base)) (and (= 0 main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base))))} is VALID [2020-07-18 05:16:09,790 INFO L280 TraceCheckUtils]: 50: Hoare triple {16267#(and (= 0 main_~end~0.offset) (or (and (= main_~list~0.offset main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset) (= main_~list~0.base main_~end~0.base)) (and (= 0 main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base))))} havoc #t~mem11.base, #t~mem11.offset; {16267#(and (= 0 main_~end~0.offset) (or (and (= main_~list~0.offset main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset) (= main_~list~0.base main_~end~0.base)) (and (= 0 main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base))))} is VALID [2020-07-18 05:16:09,791 INFO L280 TraceCheckUtils]: 51: Hoare triple {16267#(and (= 0 main_~end~0.offset) (or (and (= main_~list~0.offset main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset) (= main_~list~0.base main_~end~0.base)) (and (= 0 main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base))))} goto; {16267#(and (= 0 main_~end~0.offset) (or (and (= main_~list~0.offset main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset) (= main_~list~0.base main_~end~0.base)) (and (= 0 main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base))))} is VALID [2020-07-18 05:16:09,797 INFO L280 TraceCheckUtils]: 52: Hoare triple {16267#(and (= 0 main_~end~0.offset) (or (and (= main_~list~0.offset main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset) (= main_~list~0.base main_~end~0.base)) (and (= 0 main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base))))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {16268#(or (and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,801 INFO L280 TraceCheckUtils]: 53: Hoare triple {16268#(or (and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)))} goto; {16268#(or (and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,804 INFO L280 TraceCheckUtils]: 54: Hoare triple {16268#(or (and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {16268#(or (and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,805 INFO L280 TraceCheckUtils]: 55: Hoare triple {16268#(or (and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)))} assume !(0 != #t~nondet2); {16268#(or (and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,805 INFO L280 TraceCheckUtils]: 56: Hoare triple {16268#(or (and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)))} havoc #t~nondet2; {16268#(or (and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,806 INFO L280 TraceCheckUtils]: 57: Hoare triple {16268#(or (and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)))} ~end~0.base, ~end~0.offset := ~null~0.base, ~null~0.offset; {16268#(or (and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,807 INFO L280 TraceCheckUtils]: 58: Hoare triple {16268#(or (and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~null~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,807 INFO L280 TraceCheckUtils]: 59: Hoare triple {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,808 INFO L280 TraceCheckUtils]: 60: Hoare triple {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} goto; {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,809 INFO L280 TraceCheckUtils]: 61: Hoare triple {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} SUMMARY for call #t~mem12 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1031-6 {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,809 INFO L280 TraceCheckUtils]: 62: Hoare triple {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} assume !!(~unnamed1~0~BLACK == #t~mem12); {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,810 INFO L280 TraceCheckUtils]: 63: Hoare triple {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} havoc #t~mem12; {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,810 INFO L280 TraceCheckUtils]: 64: Hoare triple {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} goto; {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,811 INFO L280 TraceCheckUtils]: 65: Hoare triple {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,811 INFO L280 TraceCheckUtils]: 66: Hoare triple {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} SUMMARY for call #t~mem13 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1034 {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,812 INFO L280 TraceCheckUtils]: 67: Hoare triple {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} assume !(~unnamed1~0~RED == #t~mem13); {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,812 INFO L280 TraceCheckUtils]: 68: Hoare triple {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} havoc #t~mem13; {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,813 INFO L280 TraceCheckUtils]: 69: Hoare triple {16269#(or (and (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)))} SUMMARY for call #t~mem16.base, #t~mem16.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1034-4 {16270#(or (and (= |main_#t~mem16.offset| main_~null~0.offset) (= |main_#t~mem16.base| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,814 INFO L280 TraceCheckUtils]: 70: Hoare triple {16270#(or (and (= |main_#t~mem16.offset| main_~null~0.offset) (= |main_#t~mem16.base| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|) main_~null~0.base)))} ~end~0.base, ~end~0.offset := #t~mem16.base, #t~mem16.offset; {16271#(or (and (= main_~end~0.offset main_~null~0.offset) (= main_~null~0.base main_~end~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,814 INFO L280 TraceCheckUtils]: 71: Hoare triple {16271#(or (and (= main_~end~0.offset main_~null~0.offset) (= main_~null~0.base main_~end~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)))} havoc #t~mem16.base, #t~mem16.offset; {16271#(or (and (= main_~end~0.offset main_~null~0.offset) (= main_~null~0.base main_~end~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)))} is VALID [2020-07-18 05:16:09,815 INFO L280 TraceCheckUtils]: 72: Hoare triple {16271#(or (and (= main_~end~0.offset main_~null~0.offset) (= main_~null~0.base main_~end~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)))} assume !!(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {16272#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} is VALID [2020-07-18 05:16:09,815 INFO L280 TraceCheckUtils]: 73: Hoare triple {16272#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} SUMMARY for call #t~mem13 := read~int(~end~0.base, 8 + ~end~0.offset, 4); srcloc: L1034 {16272#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} is VALID [2020-07-18 05:16:09,816 INFO L280 TraceCheckUtils]: 74: Hoare triple {16272#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} assume ~unnamed1~0~RED == #t~mem13; {16272#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} is VALID [2020-07-18 05:16:09,816 INFO L280 TraceCheckUtils]: 75: Hoare triple {16272#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} havoc #t~mem13; {16272#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} is VALID [2020-07-18 05:16:09,816 INFO L280 TraceCheckUtils]: 76: Hoare triple {16272#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))} SUMMARY for call #t~mem14.base, #t~mem14.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1036 {16273#(not (= |main_#t~mem14.base| main_~null~0.base))} is VALID [2020-07-18 05:16:09,817 INFO L280 TraceCheckUtils]: 77: Hoare triple {16273#(not (= |main_#t~mem14.base| main_~null~0.base))} ~end~0.base, ~end~0.offset := #t~mem14.base, #t~mem14.offset; {16274#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:16:09,817 INFO L280 TraceCheckUtils]: 78: Hoare triple {16274#(not (= main_~null~0.base main_~end~0.base))} havoc #t~mem14.base, #t~mem14.offset; {16274#(not (= main_~null~0.base main_~end~0.base))} is VALID [2020-07-18 05:16:09,818 INFO L280 TraceCheckUtils]: 79: Hoare triple {16274#(not (= main_~null~0.base main_~end~0.base))} assume !(~null~0.base != ~end~0.base || ~null~0.offset != ~end~0.offset); {16243#false} is VALID [2020-07-18 05:16:09,818 INFO L280 TraceCheckUtils]: 80: Hoare triple {16243#false} assume !false; {16243#false} is VALID [2020-07-18 05:16:09,849 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:16:09,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1091380420] [2020-07-18 05:16:09,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 05:16:09,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-07-18 05:16:09,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631719502] [2020-07-18 05:16:09,850 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 81 [2020-07-18 05:16:09,850 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:16:09,850 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states. [2020-07-18 05:16:09,984 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:09,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-07-18 05:16:09,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:16:09,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-07-18 05:16:09,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2020-07-18 05:16:09,985 INFO L87 Difference]: Start difference. First operand 227 states and 236 transitions. Second operand 29 states. [2020-07-18 05:16:13,866 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 54 [2020-07-18 05:16:14,161 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-07-18 05:16:14,664 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2020-07-18 05:16:15,797 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2020-07-18 05:16:21,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:21,863 INFO L93 Difference]: Finished difference Result 299 states and 310 transitions. [2020-07-18 05:16:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-18 05:16:21,863 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 81 [2020-07-18 05:16:21,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:16:21,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-18 05:16:21,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 234 transitions. [2020-07-18 05:16:21,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-18 05:16:21,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 234 transitions. [2020-07-18 05:16:21,868 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 41 states and 234 transitions. [2020-07-18 05:16:22,289 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 234 edges. 234 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:22,297 INFO L225 Difference]: With dead ends: 299 [2020-07-18 05:16:22,297 INFO L226 Difference]: Without dead ends: 297 [2020-07-18 05:16:22,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 868 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=610, Invalid=3680, Unknown=0, NotChecked=0, Total=4290 [2020-07-18 05:16:22,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-07-18 05:16:24,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 251. [2020-07-18 05:16:24,230 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:16:24,231 INFO L82 GeneralOperation]: Start isEquivalent. First operand 297 states. Second operand 251 states. [2020-07-18 05:16:24,231 INFO L74 IsIncluded]: Start isIncluded. First operand 297 states. Second operand 251 states. [2020-07-18 05:16:24,231 INFO L87 Difference]: Start difference. First operand 297 states. Second operand 251 states. [2020-07-18 05:16:24,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:24,236 INFO L93 Difference]: Finished difference Result 297 states and 308 transitions. [2020-07-18 05:16:24,236 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 308 transitions. [2020-07-18 05:16:24,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:24,237 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:24,237 INFO L74 IsIncluded]: Start isIncluded. First operand 251 states. Second operand 297 states. [2020-07-18 05:16:24,237 INFO L87 Difference]: Start difference. First operand 251 states. Second operand 297 states. [2020-07-18 05:16:24,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:24,243 INFO L93 Difference]: Finished difference Result 297 states and 308 transitions. [2020-07-18 05:16:24,243 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 308 transitions. [2020-07-18 05:16:24,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:24,243 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:24,243 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:16:24,243 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:16:24,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-07-18 05:16:24,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 261 transitions. [2020-07-18 05:16:24,248 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 261 transitions. Word has length 81 [2020-07-18 05:16:24,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:16:24,248 INFO L479 AbstractCegarLoop]: Abstraction has 251 states and 261 transitions. [2020-07-18 05:16:24,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-07-18 05:16:24,249 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 251 states and 261 transitions. [2020-07-18 05:16:25,145 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 261 edges. 261 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:25,145 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 261 transitions. [2020-07-18 05:16:25,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-18 05:16:25,147 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:16:25,147 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:16:25,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-18 05:16:25,148 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:16:25,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:16:25,149 INFO L82 PathProgramCache]: Analyzing trace with hash 682951368, now seen corresponding path program 1 times [2020-07-18 05:16:25,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:16:25,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2012012272] [2020-07-18 05:16:25,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:16:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 05:16:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 05:16:25,259 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 05:16:25,260 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 05:16:25,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-18 05:16:25,328 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-18 05:16:25,328 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 05:16:25,328 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 05:16:25,328 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 05:16:25,328 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:16:25,328 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:16:25,328 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:16:25,329 WARN L170 areAnnotationChecker]: L987 has no Hoare annotation [2020-07-18 05:16:25,329 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-18 05:16:25,329 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 05:16:25,329 WARN L170 areAnnotationChecker]: L988 has no Hoare annotation [2020-07-18 05:16:25,329 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 05:16:25,329 WARN L170 areAnnotationChecker]: L988-1 has no Hoare annotation [2020-07-18 05:16:25,329 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 05:16:25,329 WARN L170 areAnnotationChecker]: L989 has no Hoare annotation [2020-07-18 05:16:25,329 WARN L170 areAnnotationChecker]: L990 has no Hoare annotation [2020-07-18 05:16:25,329 WARN L170 areAnnotationChecker]: L992 has no Hoare annotation [2020-07-18 05:16:25,330 WARN L170 areAnnotationChecker]: L993 has no Hoare annotation [2020-07-18 05:16:25,330 WARN L170 areAnnotationChecker]: L993-1 has no Hoare annotation [2020-07-18 05:16:25,330 WARN L170 areAnnotationChecker]: L994 has no Hoare annotation [2020-07-18 05:16:25,330 WARN L170 areAnnotationChecker]: L995 has no Hoare annotation [2020-07-18 05:16:25,330 WARN L170 areAnnotationChecker]: L1023-4 has no Hoare annotation [2020-07-18 05:16:25,330 WARN L170 areAnnotationChecker]: L1023-4 has no Hoare annotation [2020-07-18 05:16:25,330 WARN L170 areAnnotationChecker]: L1000-5 has no Hoare annotation [2020-07-18 05:16:25,330 WARN L170 areAnnotationChecker]: L1000-1 has no Hoare annotation [2020-07-18 05:16:25,330 WARN L170 areAnnotationChecker]: L1000-1 has no Hoare annotation [2020-07-18 05:16:25,331 WARN L170 areAnnotationChecker]: L1027 has no Hoare annotation [2020-07-18 05:16:25,331 WARN L170 areAnnotationChecker]: L1000-2 has no Hoare annotation [2020-07-18 05:16:25,331 WARN L170 areAnnotationChecker]: L1000-4 has no Hoare annotation [2020-07-18 05:16:25,331 WARN L170 areAnnotationChecker]: L1030-4 has no Hoare annotation [2020-07-18 05:16:25,331 WARN L170 areAnnotationChecker]: L1030-4 has no Hoare annotation [2020-07-18 05:16:25,331 WARN L170 areAnnotationChecker]: L1030-4 has no Hoare annotation [2020-07-18 05:16:25,331 WARN L170 areAnnotationChecker]: L1003 has no Hoare annotation [2020-07-18 05:16:25,331 WARN L170 areAnnotationChecker]: L1031-6 has no Hoare annotation [2020-07-18 05:16:25,331 WARN L170 areAnnotationChecker]: L1031-6 has no Hoare annotation [2020-07-18 05:16:25,332 WARN L170 areAnnotationChecker]: L1030-1 has no Hoare annotation [2020-07-18 05:16:25,332 WARN L170 areAnnotationChecker]: L1030-1 has no Hoare annotation [2020-07-18 05:16:25,332 WARN L170 areAnnotationChecker]: L1030-3 has no Hoare annotation [2020-07-18 05:16:25,332 WARN L170 areAnnotationChecker]: L1030-3 has no Hoare annotation [2020-07-18 05:16:25,332 WARN L170 areAnnotationChecker]: L1003-1 has no Hoare annotation [2020-07-18 05:16:25,332 WARN L170 areAnnotationChecker]: L1031 has no Hoare annotation [2020-07-18 05:16:25,332 WARN L170 areAnnotationChecker]: L1031 has no Hoare annotation [2020-07-18 05:16:25,332 WARN L170 areAnnotationChecker]: L1032-1 has no Hoare annotation [2020-07-18 05:16:25,332 WARN L170 areAnnotationChecker]: L1032-1 has no Hoare annotation [2020-07-18 05:16:25,333 WARN L170 areAnnotationChecker]: L1032-1 has no Hoare annotation [2020-07-18 05:16:25,333 WARN L170 areAnnotationChecker]: L1003-2 has no Hoare annotation [2020-07-18 05:16:25,333 WARN L170 areAnnotationChecker]: L1031-1 has no Hoare annotation [2020-07-18 05:16:25,333 WARN L170 areAnnotationChecker]: L1031-4 has no Hoare annotation [2020-07-18 05:16:25,333 WARN L170 areAnnotationChecker]: L1047-4 has no Hoare annotation [2020-07-18 05:16:25,333 WARN L170 areAnnotationChecker]: L1047-4 has no Hoare annotation [2020-07-18 05:16:25,333 WARN L170 areAnnotationChecker]: L1047-4 has no Hoare annotation [2020-07-18 05:16:25,333 WARN L170 areAnnotationChecker]: L1034 has no Hoare annotation [2020-07-18 05:16:25,334 WARN L170 areAnnotationChecker]: L1004 has no Hoare annotation [2020-07-18 05:16:25,334 WARN L170 areAnnotationChecker]: L1031-2 has no Hoare annotation [2020-07-18 05:16:25,334 WARN L170 areAnnotationChecker]: L1031-2 has no Hoare annotation [2020-07-18 05:16:25,334 WARN L170 areAnnotationChecker]: L1031-5 has no Hoare annotation [2020-07-18 05:16:25,334 WARN L170 areAnnotationChecker]: L1031-5 has no Hoare annotation [2020-07-18 05:16:25,334 WARN L170 areAnnotationChecker]: L1045-1 has no Hoare annotation [2020-07-18 05:16:25,334 WARN L170 areAnnotationChecker]: L1047 has no Hoare annotation [2020-07-18 05:16:25,334 WARN L170 areAnnotationChecker]: L1034-1 has no Hoare annotation [2020-07-18 05:16:25,334 WARN L170 areAnnotationChecker]: L1034-1 has no Hoare annotation [2020-07-18 05:16:25,334 WARN L170 areAnnotationChecker]: L1004-1 has no Hoare annotation [2020-07-18 05:16:25,335 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 05:16:25,335 WARN L170 areAnnotationChecker]: L1047-1 has no Hoare annotation [2020-07-18 05:16:25,335 WARN L170 areAnnotationChecker]: L1047-1 has no Hoare annotation [2020-07-18 05:16:25,335 WARN L170 areAnnotationChecker]: L1034-2 has no Hoare annotation [2020-07-18 05:16:25,335 WARN L170 areAnnotationChecker]: L1034-3 has no Hoare annotation [2020-07-18 05:16:25,335 WARN L170 areAnnotationChecker]: L1005 has no Hoare annotation [2020-07-18 05:16:25,335 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 05:16:25,335 WARN L170 areAnnotationChecker]: L1047-2 has no Hoare annotation [2020-07-18 05:16:25,335 WARN L170 areAnnotationChecker]: L1047-3 has no Hoare annotation [2020-07-18 05:16:25,335 WARN L170 areAnnotationChecker]: L1036 has no Hoare annotation [2020-07-18 05:16:25,336 WARN L170 areAnnotationChecker]: L1034-4 has no Hoare annotation [2020-07-18 05:16:25,336 WARN L170 areAnnotationChecker]: L1005-1 has no Hoare annotation [2020-07-18 05:16:25,336 WARN L170 areAnnotationChecker]: L1049 has no Hoare annotation [2020-07-18 05:16:25,336 WARN L170 areAnnotationChecker]: L1056 has no Hoare annotation [2020-07-18 05:16:25,336 WARN L170 areAnnotationChecker]: L1036-1 has no Hoare annotation [2020-07-18 05:16:25,336 WARN L170 areAnnotationChecker]: L1041 has no Hoare annotation [2020-07-18 05:16:25,336 WARN L170 areAnnotationChecker]: L1005-2 has no Hoare annotation [2020-07-18 05:16:25,336 WARN L170 areAnnotationChecker]: L1049-1 has no Hoare annotation [2020-07-18 05:16:25,336 WARN L170 areAnnotationChecker]: L1056-1 has no Hoare annotation [2020-07-18 05:16:25,336 WARN L170 areAnnotationChecker]: L1036-2 has no Hoare annotation [2020-07-18 05:16:25,337 WARN L170 areAnnotationChecker]: L1041-1 has no Hoare annotation [2020-07-18 05:16:25,337 WARN L170 areAnnotationChecker]: L1006 has no Hoare annotation [2020-07-18 05:16:25,337 WARN L170 areAnnotationChecker]: L1049-2 has no Hoare annotation [2020-07-18 05:16:25,337 WARN L170 areAnnotationChecker]: L1056-2 has no Hoare annotation [2020-07-18 05:16:25,337 WARN L170 areAnnotationChecker]: L1037-4 has no Hoare annotation [2020-07-18 05:16:25,337 WARN L170 areAnnotationChecker]: L1037-4 has no Hoare annotation [2020-07-18 05:16:25,337 WARN L170 areAnnotationChecker]: L1037-4 has no Hoare annotation [2020-07-18 05:16:25,337 WARN L170 areAnnotationChecker]: L1006-1 has no Hoare annotation [2020-07-18 05:16:25,337 WARN L170 areAnnotationChecker]: L1050 has no Hoare annotation [2020-07-18 05:16:25,338 WARN L170 areAnnotationChecker]: L1057 has no Hoare annotation [2020-07-18 05:16:25,338 WARN L170 areAnnotationChecker]: L1038-6 has no Hoare annotation [2020-07-18 05:16:25,338 WARN L170 areAnnotationChecker]: L1038-6 has no Hoare annotation [2020-07-18 05:16:25,338 WARN L170 areAnnotationChecker]: L1037-1 has no Hoare annotation [2020-07-18 05:16:25,338 WARN L170 areAnnotationChecker]: L1037-1 has no Hoare annotation [2020-07-18 05:16:25,338 WARN L170 areAnnotationChecker]: L1037-3 has no Hoare annotation [2020-07-18 05:16:25,338 WARN L170 areAnnotationChecker]: L1037-3 has no Hoare annotation [2020-07-18 05:16:25,338 WARN L170 areAnnotationChecker]: L1008 has no Hoare annotation [2020-07-18 05:16:25,338 WARN L170 areAnnotationChecker]: L1008 has no Hoare annotation [2020-07-18 05:16:25,338 WARN L170 areAnnotationChecker]: L1050-1 has no Hoare annotation [2020-07-18 05:16:25,339 WARN L170 areAnnotationChecker]: L1057-1 has no Hoare annotation [2020-07-18 05:16:25,339 WARN L170 areAnnotationChecker]: L1038 has no Hoare annotation [2020-07-18 05:16:25,339 WARN L170 areAnnotationChecker]: L1038 has no Hoare annotation [2020-07-18 05:16:25,339 WARN L170 areAnnotationChecker]: L1008-1 has no Hoare annotation [2020-07-18 05:16:25,339 WARN L170 areAnnotationChecker]: L1008-2 has no Hoare annotation [2020-07-18 05:16:25,339 WARN L170 areAnnotationChecker]: L1051 has no Hoare annotation [2020-07-18 05:16:25,339 WARN L170 areAnnotationChecker]: L1038-1 has no Hoare annotation [2020-07-18 05:16:25,339 WARN L170 areAnnotationChecker]: L1038-4 has no Hoare annotation [2020-07-18 05:16:25,339 WARN L170 areAnnotationChecker]: L1010 has no Hoare annotation [2020-07-18 05:16:25,339 WARN L170 areAnnotationChecker]: L1014 has no Hoare annotation [2020-07-18 05:16:25,340 WARN L170 areAnnotationChecker]: L1051-1 has no Hoare annotation [2020-07-18 05:16:25,340 WARN L170 areAnnotationChecker]: L1038-2 has no Hoare annotation [2020-07-18 05:16:25,340 WARN L170 areAnnotationChecker]: L1038-2 has no Hoare annotation [2020-07-18 05:16:25,340 WARN L170 areAnnotationChecker]: L1038-5 has no Hoare annotation [2020-07-18 05:16:25,340 WARN L170 areAnnotationChecker]: L1038-5 has no Hoare annotation [2020-07-18 05:16:25,340 WARN L170 areAnnotationChecker]: L1021-6 has no Hoare annotation [2020-07-18 05:16:25,340 WARN L170 areAnnotationChecker]: L1021-6 has no Hoare annotation [2020-07-18 05:16:25,340 WARN L170 areAnnotationChecker]: L1014-1 has no Hoare annotation [2020-07-18 05:16:25,340 WARN L170 areAnnotationChecker]: L1052 has no Hoare annotation [2020-07-18 05:16:25,340 WARN L170 areAnnotationChecker]: L1021 has no Hoare annotation [2020-07-18 05:16:25,341 WARN L170 areAnnotationChecker]: L1021 has no Hoare annotation [2020-07-18 05:16:25,341 WARN L170 areAnnotationChecker]: L1022-6 has no Hoare annotation [2020-07-18 05:16:25,341 WARN L170 areAnnotationChecker]: L1022-6 has no Hoare annotation [2020-07-18 05:16:25,341 WARN L170 areAnnotationChecker]: L1015 has no Hoare annotation [2020-07-18 05:16:25,341 WARN L170 areAnnotationChecker]: L1021-1 has no Hoare annotation [2020-07-18 05:16:25,341 WARN L170 areAnnotationChecker]: L1021-4 has no Hoare annotation [2020-07-18 05:16:25,341 WARN L170 areAnnotationChecker]: L1022 has no Hoare annotation [2020-07-18 05:16:25,341 WARN L170 areAnnotationChecker]: L1022 has no Hoare annotation [2020-07-18 05:16:25,341 WARN L170 areAnnotationChecker]: L1023-3 has no Hoare annotation [2020-07-18 05:16:25,341 WARN L170 areAnnotationChecker]: L1023-3 has no Hoare annotation [2020-07-18 05:16:25,341 WARN L170 areAnnotationChecker]: L1023-3 has no Hoare annotation [2020-07-18 05:16:25,342 WARN L170 areAnnotationChecker]: L1015-1 has no Hoare annotation [2020-07-18 05:16:25,342 WARN L170 areAnnotationChecker]: L1021-2 has no Hoare annotation [2020-07-18 05:16:25,342 WARN L170 areAnnotationChecker]: L1021-2 has no Hoare annotation [2020-07-18 05:16:25,342 WARN L170 areAnnotationChecker]: L1021-5 has no Hoare annotation [2020-07-18 05:16:25,342 WARN L170 areAnnotationChecker]: L1021-5 has no Hoare annotation [2020-07-18 05:16:25,342 WARN L170 areAnnotationChecker]: L1022-1 has no Hoare annotation [2020-07-18 05:16:25,342 WARN L170 areAnnotationChecker]: L1022-4 has no Hoare annotation [2020-07-18 05:16:25,342 WARN L170 areAnnotationChecker]: L1023 has no Hoare annotation [2020-07-18 05:16:25,342 WARN L170 areAnnotationChecker]: L1023 has no Hoare annotation [2020-07-18 05:16:25,342 WARN L170 areAnnotationChecker]: L1023-2 has no Hoare annotation [2020-07-18 05:16:25,343 WARN L170 areAnnotationChecker]: L1023-2 has no Hoare annotation [2020-07-18 05:16:25,343 WARN L170 areAnnotationChecker]: L1016 has no Hoare annotation [2020-07-18 05:16:25,343 WARN L170 areAnnotationChecker]: L1022-2 has no Hoare annotation [2020-07-18 05:16:25,343 WARN L170 areAnnotationChecker]: L1022-2 has no Hoare annotation [2020-07-18 05:16:25,343 WARN L170 areAnnotationChecker]: L1022-5 has no Hoare annotation [2020-07-18 05:16:25,343 WARN L170 areAnnotationChecker]: L1022-5 has no Hoare annotation [2020-07-18 05:16:25,343 WARN L170 areAnnotationChecker]: L1016-1 has no Hoare annotation [2020-07-18 05:16:25,343 WARN L170 areAnnotationChecker]: L1017 has no Hoare annotation [2020-07-18 05:16:25,343 WARN L170 areAnnotationChecker]: L1017-1 has no Hoare annotation [2020-07-18 05:16:25,343 WARN L170 areAnnotationChecker]: L1017-2 has no Hoare annotation [2020-07-18 05:16:25,344 WARN L170 areAnnotationChecker]: L1018 has no Hoare annotation [2020-07-18 05:16:25,344 WARN L170 areAnnotationChecker]: L1018-1 has no Hoare annotation [2020-07-18 05:16:25,344 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 05:16:25,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 05:16:25 BoogieIcfgContainer [2020-07-18 05:16:25,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 05:16:25,350 INFO L168 Benchmark]: Toolchain (without parser) took 99339.73 ms. Allocated memory was 146.8 MB in the beginning and 647.5 MB in the end (delta: 500.7 MB). Free memory was 104.1 MB in the beginning and 150.2 MB in the end (delta: -46.1 MB). Peak memory consumption was 454.6 MB. Max. memory is 7.1 GB. [2020-07-18 05:16:25,351 INFO L168 Benchmark]: CDTParser took 1.01 ms. Allocated memory is still 146.8 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-18 05:16:25,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.11 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 103.7 MB in the beginning and 169.5 MB in the end (delta: -65.9 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2020-07-18 05:16:25,352 INFO L168 Benchmark]: Boogie Preprocessor took 93.28 ms. Allocated memory is still 204.5 MB. Free memory was 169.5 MB in the beginning and 165.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-18 05:16:25,353 INFO L168 Benchmark]: RCFGBuilder took 891.85 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 165.5 MB in the beginning and 200.5 MB in the end (delta: -35.0 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. [2020-07-18 05:16:25,353 INFO L168 Benchmark]: TraceAbstraction took 97654.41 ms. Allocated memory was 235.4 MB in the beginning and 647.5 MB in the end (delta: 412.1 MB). Free memory was 200.5 MB in the beginning and 150.2 MB in the end (delta: 50.3 MB). Peak memory consumption was 462.4 MB. Max. memory is 7.1 GB. [2020-07-18 05:16:25,356 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01 ms. Allocated memory is still 146.8 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.11 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 103.7 MB in the beginning and 169.5 MB in the end (delta: -65.9 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.28 ms. Allocated memory is still 204.5 MB. Free memory was 169.5 MB in the beginning and 165.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 891.85 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 165.5 MB in the beginning and 200.5 MB in the end (delta: -35.0 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 97654.41 ms. Allocated memory was 235.4 MB in the beginning and 647.5 MB in the end (delta: 412.1 MB). Free memory was 200.5 MB in the beginning and 150.2 MB in the end (delta: 50.3 MB). Peak memory consumption was 462.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1038]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L987] struct TSLL* null = malloc(sizeof(struct TSLL)); VAL [malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L988] null->next = ((void*)0) VAL [malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L989] null->prev = ((void*)0) VAL [malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L990] null->colour = BLACK VAL [malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L992] struct TSLL* list = malloc(sizeof(struct TSLL)); VAL [list={-2:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L993] list->next = null VAL [list={-2:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L994] list->prev = null VAL [list={-2:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L995] list->colour = BLACK VAL [list={-2:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L997] struct TSLL* end = list; VAL [end={-2:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1000] COND TRUE __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, end={-2:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1003] end->next = malloc(sizeof(struct TSLL)) VAL [end={-2:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1004] EXPR end->next VAL [end={-2:0}, end->next={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1004] end->next->prev = end VAL [end={-2:0}, end->next={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1005] EXPR end->next VAL [end={-2:0}, end->next={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1005] end = end->next VAL [end={-3:0}, end->next={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1006] end->next = null VAL [end={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1008] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, end={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1014] end->colour = RED VAL [end={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1015] end->next = malloc(sizeof(struct TSLL)) VAL [end={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1016] EXPR end->next VAL [end={-3:0}, end->next={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1016] end->next->prev = end VAL [end={-3:0}, end->next={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1017] EXPR end->next VAL [end={-3:0}, end->next={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1017] end = end->next VAL [end={-4:0}, end->next={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1018] end->next = null VAL [end={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1019] end->colour = BLACK VAL [end={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1021] EXPR end->colour VAL [end={-4:0}, end->colour=1, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1021] COND FALSE !(!(BLACK == end->colour)) VAL [end={-4:0}, end->colour=1, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1022] EXPR end->next VAL [end={-4:0}, end->next={-1:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1022] COND FALSE !(!(null == end->next)) VAL [end={-4:0}, end->next={-1:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1023] COND FALSE !(!(null != end)) VAL [end={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1000] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, end={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1026] end = null VAL [end={-1:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1027] end = list VAL [end={-2:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1030] COND FALSE !(!(null != end)) VAL [end={-2:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1031] EXPR end->colour VAL [end={-2:0}, end->colour=1, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1031] COND FALSE !(!(BLACK == end->colour)) VAL [end={-2:0}, end->colour=1, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1032] COND TRUE null != end VAL [end={-2:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1034] EXPR end->colour VAL [end={-2:0}, end->colour=1, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1034] COND FALSE !(RED == end->colour) VAL [end={-2:0}, end->colour=1, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1041] EXPR end->next VAL [end={-2:0}, end->next={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1041] end = end->next VAL [end={-3:0}, end->next={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1032] COND TRUE null != end VAL [end={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1034] EXPR end->colour VAL [end={-3:0}, end->colour=0, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1034] COND TRUE RED == end->colour VAL [end={-3:0}, end->colour=0, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1036] EXPR end->next VAL [end={-3:0}, end->next={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1036] end = end->next VAL [end={-4:0}, end->next={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1037] COND FALSE !(!(null != end)) VAL [end={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1038] EXPR end->colour VAL [end={-4:0}, end->colour=1, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1038] COND TRUE !(BLACK != end->colour) VAL [end={-4:0}, end->colour=1, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] [L1038] __VERIFIER_error() VAL [end={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-3:0}, null={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 123 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 97.5s, OverallIterations: 17, TraceHistogramMax: 3, AutomataDifference: 66.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1245 SDtfs, 6732 SDslu, 6850 SDs, 0 SdLazy, 7902 SolverSat, 999 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 464 GetRequests, 60 SyntacticMatches, 13 SemanticMatches, 391 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2604 ImplicationChecksByTransitivity, 14.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=251occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 14.6s AutomataMinimizationTime, 16 MinimizatonAttempts, 381 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 924 NumberOfCodeBlocks, 924 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 823 ConstructedInterpolants, 0 QuantifiedInterpolants, 625864 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 8 PerfectInterpolantSequences, 10/87 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...