/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 0.1.25-8fc6572 [2020-07-11 01:08:17,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 01:08:17,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 01:08:17,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 01:08:17,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 01:08:17,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 01:08:17,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 01:08:17,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 01:08:17,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 01:08:17,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 01:08:17,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 01:08:17,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 01:08:17,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 01:08:17,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 01:08:17,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 01:08:17,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 01:08:17,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 01:08:17,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 01:08:17,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 01:08:17,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 01:08:17,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 01:08:17,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 01:08:17,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 01:08:17,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 01:08:17,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-11 01:08:17,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-11 01:08:17,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-11 01:08:17,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-11 01:08:17,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-11 01:08:17,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-11 01:08:17,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-11 01:08:17,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-11 01:08:17,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-11 01:08:17,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-11 01:08:17,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-11 01:08:17,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-11 01:08:17,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-11 01:08:17,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-11 01:08:17,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 01:08:17,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 01:08:17,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 01:08:17,170 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-11 01:08:17,198 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 01:08:17,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 01:08:17,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 01:08:17,204 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 01:08:17,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 01:08:17,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 01:08:17,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 01:08:17,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 01:08:17,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 01:08:17,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 01:08:17,206 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 01:08:17,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 01:08:17,206 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 01:08:17,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 01:08:17,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 01:08:17,207 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 01:08:17,207 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 01:08:17,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 01:08:17,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 01:08:17,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 01:08:17,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 01:08:17,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 01:08:17,210 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 [2020-07-11 01:08:17,518 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 01:08:17,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 01:08:17,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 01:08:17,541 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 01:08:17,542 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 01:08:17,542 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-rb-sentinel-1.i [2020-07-11 01:08:17,625 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a482be852/00cd4ccbcc964ecd843ddd1c66b7e522/FLAG0c28ec31b [2020-07-11 01:08:18,170 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 01:08:18,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-rb-sentinel-1.i [2020-07-11 01:08:18,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a482be852/00cd4ccbcc964ecd843ddd1c66b7e522/FLAG0c28ec31b [2020-07-11 01:08:18,458 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a482be852/00cd4ccbcc964ecd843ddd1c66b7e522 [2020-07-11 01:08:18,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 01:08:18,468 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 01:08:18,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 01:08:18,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 01:08:18,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 01:08:18,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 01:08:18" (1/1) ... [2020-07-11 01:08:18,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7245fb00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:08:18, skipping insertion in model container [2020-07-11 01:08:18,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 01:08:18" (1/1) ... [2020-07-11 01:08:18,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 01:08:18,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 01:08:19,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 01:08:19,054 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 01:08:19,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 01:08:19,222 INFO L208 MainTranslator]: Completed translation [2020-07-11 01:08:19,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:08:19 WrapperNode [2020-07-11 01:08:19,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 01:08:19,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 01:08:19,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 01:08:19,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 01:08:19,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:08:19" (1/1) ... [2020-07-11 01:08:19,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:08:19" (1/1) ... [2020-07-11 01:08:19,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:08:19" (1/1) ... [2020-07-11 01:08:19,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:08:19" (1/1) ... [2020-07-11 01:08:19,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:08:19" (1/1) ... [2020-07-11 01:08:19,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:08:19" (1/1) ... [2020-07-11 01:08:19,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:08:19" (1/1) ... [2020-07-11 01:08:19,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 01:08:19,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 01:08:19,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 01:08:19,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 01:08:19,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:08:19" (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 [2020-07-11 01:08:19,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 01:08:19,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 01:08:19,362 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 01:08:19,362 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-11 01:08:19,362 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-11 01:08:19,362 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-11 01:08:19,362 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-11 01:08:19,363 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-11 01:08:19,363 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-11 01:08:19,363 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-11 01:08:19,363 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-11 01:08:19,364 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-11 01:08:19,364 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-11 01:08:19,364 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-11 01:08:19,365 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-11 01:08:19,365 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-11 01:08:19,366 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-11 01:08:19,366 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-11 01:08:19,366 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-11 01:08:19,367 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-11 01:08:19,367 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-11 01:08:19,367 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-11 01:08:19,370 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-11 01:08:19,370 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-11 01:08:19,370 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-11 01:08:19,370 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-11 01:08:19,370 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-11 01:08:19,371 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-11 01:08:19,371 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-11 01:08:19,371 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-11 01:08:19,371 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-11 01:08:19,372 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-11 01:08:19,373 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-11 01:08:19,373 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-11 01:08:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-11 01:08:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-11 01:08:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-11 01:08:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-11 01:08:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-11 01:08:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-11 01:08:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-11 01:08:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-11 01:08:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-11 01:08:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-11 01:08:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-11 01:08:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-11 01:08:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-11 01:08:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-11 01:08:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-11 01:08:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-11 01:08:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-11 01:08:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-11 01:08:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-11 01:08:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-11 01:08:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-11 01:08:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-11 01:08:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-11 01:08:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-11 01:08:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-11 01:08:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-11 01:08:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-11 01:08:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-11 01:08:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-11 01:08:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-11 01:08:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-11 01:08:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-11 01:08:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-11 01:08:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-11 01:08:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-11 01:08:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-11 01:08:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-11 01:08:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-11 01:08:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-11 01:08:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-11 01:08:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-11 01:08:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-11 01:08:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-11 01:08:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-11 01:08:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-11 01:08:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-11 01:08:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-11 01:08:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-11 01:08:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-11 01:08:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-11 01:08:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-11 01:08:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-11 01:08:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-11 01:08:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-11 01:08:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-11 01:08:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-11 01:08:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-11 01:08:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-11 01:08:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-11 01:08:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-11 01:08:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-11 01:08:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-11 01:08:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-11 01:08:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-11 01:08:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-11 01:08:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-11 01:08:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-11 01:08:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-11 01:08:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-11 01:08:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-11 01:08:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-11 01:08:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-11 01:08:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-11 01:08:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 01:08:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 01:08:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-11 01:08:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-11 01:08:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-11 01:08:19,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-11 01:08:19,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-11 01:08:19,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-11 01:08:19,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 01:08:19,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 01:08:20,188 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 01:08:20,189 INFO L295 CfgBuilder]: Removed 17 assume(true) statements. [2020-07-11 01:08:20,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 01:08:20 BoogieIcfgContainer [2020-07-11 01:08:20,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 01:08:20,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 01:08:20,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 01:08:20,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 01:08:20,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 01:08:18" (1/3) ... [2020-07-11 01:08:20,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53558c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 01:08:20, skipping insertion in model container [2020-07-11 01:08:20,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:08:19" (2/3) ... [2020-07-11 01:08:20,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53558c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 01:08:20, skipping insertion in model container [2020-07-11 01:08:20,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 01:08:20" (3/3) ... [2020-07-11 01:08:20,202 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-rb-sentinel-1.i [2020-07-11 01:08:20,213 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 01:08:20,221 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-07-11 01:08:20,236 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-07-11 01:08:20,257 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 01:08:20,257 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 01:08:20,257 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 01:08:20,257 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 01:08:20,257 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 01:08:20,258 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 01:08:20,258 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 01:08:20,258 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 01:08:20,277 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2020-07-11 01:08:20,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-11 01:08:20,288 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:08:20,289 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] [2020-07-11 01:08:20,290 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]=== [2020-07-11 01:08:20,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:08:20,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1523709425, now seen corresponding path program 1 times [2020-07-11 01:08:20,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:08:20,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468780149] [2020-07-11 01:08:20,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:08:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:20,546 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 [2020-07-11 01:08:20,547 INFO L280 TraceCheckUtils]: 1: Hoare triple {126#true} #valid := #valid[0 := 0]; {126#true} is VALID [2020-07-11 01:08:20,548 INFO L280 TraceCheckUtils]: 2: Hoare triple {126#true} assume 0 < #StackHeapBarrier; {126#true} is VALID [2020-07-11 01:08:20,548 INFO L280 TraceCheckUtils]: 3: Hoare triple {126#true} assume true; {126#true} is VALID [2020-07-11 01:08:20,549 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {126#true} {126#true} #260#return; {126#true} is VALID [2020-07-11 01:08:20,552 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 [2020-07-11 01:08:20,553 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 [2020-07-11 01:08:20,553 INFO L280 TraceCheckUtils]: 2: Hoare triple {126#true} #valid := #valid[0 := 0]; {126#true} is VALID [2020-07-11 01:08:20,553 INFO L280 TraceCheckUtils]: 3: Hoare triple {126#true} assume 0 < #StackHeapBarrier; {126#true} is VALID [2020-07-11 01:08:20,554 INFO L280 TraceCheckUtils]: 4: Hoare triple {126#true} assume true; {126#true} is VALID [2020-07-11 01:08:20,554 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {126#true} {126#true} #260#return; {126#true} is VALID [2020-07-11 01:08:20,554 INFO L263 TraceCheckUtils]: 6: Hoare triple {126#true} call #t~ret21 := main(); {126#true} is VALID [2020-07-11 01:08:20,555 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 [2020-07-11 01:08:20,555 INFO L280 TraceCheckUtils]: 8: Hoare triple {126#true} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {126#true} is VALID [2020-07-11 01:08:20,555 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 [2020-07-11 01:08:20,556 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 [2020-07-11 01:08:20,556 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 [2020-07-11 01:08:20,556 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 [2020-07-11 01:08:20,557 INFO L280 TraceCheckUtils]: 13: Hoare triple {126#true} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {126#true} is VALID [2020-07-11 01:08:20,557 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 [2020-07-11 01:08:20,557 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 [2020-07-11 01:08:20,558 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 [2020-07-11 01:08:20,558 INFO L280 TraceCheckUtils]: 17: Hoare triple {126#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {126#true} is VALID [2020-07-11 01:08:20,559 INFO L280 TraceCheckUtils]: 18: Hoare triple {126#true} assume !true; {127#false} is VALID [2020-07-11 01:08:20,559 INFO L280 TraceCheckUtils]: 19: Hoare triple {127#false} ~end~0.base, ~end~0.offset := ~null~0.base, ~null~0.offset; {127#false} is VALID [2020-07-11 01:08:20,560 INFO L280 TraceCheckUtils]: 20: Hoare triple {127#false} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {127#false} is VALID [2020-07-11 01:08:20,560 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 [2020-07-11 01:08:20,560 INFO L280 TraceCheckUtils]: 22: Hoare triple {127#false} assume !false; {127#false} is VALID [2020-07-11 01:08:20,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:08:20,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468780149] [2020-07-11 01:08:20,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 01:08:20,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-11 01:08:20,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944002058] [2020-07-11 01:08:20,573 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-07-11 01:08:20,576 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:08:20,580 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-11 01:08:20,620 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:20,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-11 01:08:20,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:08:20,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-11 01:08:20,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-11 01:08:20,633 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 3 states. [2020-07-11 01:08:21,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:21,229 INFO L93 Difference]: Finished difference Result 228 states and 286 transitions. [2020-07-11 01:08:21,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-11 01:08:21,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-07-11 01:08:21,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:08:21,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 01:08:21,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions. [2020-07-11 01:08:21,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-11 01:08:21,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions. [2020-07-11 01:08:21,256 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 286 transitions. [2020-07-11 01:08:21,611 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 286 edges. 286 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:21,626 INFO L225 Difference]: With dead ends: 228 [2020-07-11 01:08:21,627 INFO L226 Difference]: Without dead ends: 100 [2020-07-11 01:08:21,631 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 [2020-07-11 01:08:21,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-07-11 01:08:21,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2020-07-11 01:08:21,719 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:08:21,720 INFO L82 GeneralOperation]: Start isEquivalent. First operand 100 states. Second operand 100 states. [2020-07-11 01:08:21,720 INFO L74 IsIncluded]: Start isIncluded. First operand 100 states. Second operand 100 states. [2020-07-11 01:08:21,720 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 100 states. [2020-07-11 01:08:21,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:21,728 INFO L93 Difference]: Finished difference Result 100 states and 103 transitions. [2020-07-11 01:08:21,729 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 103 transitions. [2020-07-11 01:08:21,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:21,730 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:21,730 INFO L74 IsIncluded]: Start isIncluded. First operand 100 states. Second operand 100 states. [2020-07-11 01:08:21,731 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 100 states. [2020-07-11 01:08:21,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:21,743 INFO L93 Difference]: Finished difference Result 100 states and 103 transitions. [2020-07-11 01:08:21,743 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 103 transitions. [2020-07-11 01:08:21,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:21,745 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:21,745 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:08:21,747 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:08:21,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-07-11 01:08:21,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 103 transitions. [2020-07-11 01:08:21,760 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 103 transitions. Word has length 23 [2020-07-11 01:08:21,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:08:21,760 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 103 transitions. [2020-07-11 01:08:21,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-11 01:08:21,761 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 100 states and 103 transitions. [2020-07-11 01:08:21,875 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:21,875 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 103 transitions. [2020-07-11 01:08:21,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-11 01:08:21,877 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:08:21,877 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] [2020-07-11 01:08:21,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 01:08:21,878 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]=== [2020-07-11 01:08:21,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:08:21,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1887154194, now seen corresponding path program 1 times [2020-07-11 01:08:21,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:08:21,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1540025434] [2020-07-11 01:08:21,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:08:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:22,133 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 [2020-07-11 01:08:22,134 INFO L280 TraceCheckUtils]: 1: Hoare triple {992#true} #valid := #valid[0 := 0]; {992#true} is VALID [2020-07-11 01:08:22,134 INFO L280 TraceCheckUtils]: 2: Hoare triple {992#true} assume 0 < #StackHeapBarrier; {992#true} is VALID [2020-07-11 01:08:22,134 INFO L280 TraceCheckUtils]: 3: Hoare triple {992#true} assume true; {992#true} is VALID [2020-07-11 01:08:22,135 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {992#true} {992#true} #260#return; {992#true} is VALID [2020-07-11 01:08:22,140 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 [2020-07-11 01:08:22,141 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 [2020-07-11 01:08:22,141 INFO L280 TraceCheckUtils]: 2: Hoare triple {992#true} #valid := #valid[0 := 0]; {992#true} is VALID [2020-07-11 01:08:22,141 INFO L280 TraceCheckUtils]: 3: Hoare triple {992#true} assume 0 < #StackHeapBarrier; {992#true} is VALID [2020-07-11 01:08:22,142 INFO L280 TraceCheckUtils]: 4: Hoare triple {992#true} assume true; {992#true} is VALID [2020-07-11 01:08:22,142 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {992#true} {992#true} #260#return; {992#true} is VALID [2020-07-11 01:08:22,142 INFO L263 TraceCheckUtils]: 6: Hoare triple {992#true} call #t~ret21 := main(); {992#true} is VALID [2020-07-11 01:08:22,144 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 [2020-07-11 01:08:22,145 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 [2020-07-11 01:08:22,146 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 [2020-07-11 01:08:22,146 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 [2020-07-11 01:08:22,147 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 [2020-07-11 01:08:22,148 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 [2020-07-11 01:08:22,151 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 [2020-07-11 01:08:22,152 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 [2020-07-11 01:08:22,153 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 [2020-07-11 01:08:22,154 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 [2020-07-11 01:08:22,158 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 [2020-07-11 01:08:22,163 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 [2020-07-11 01:08:22,164 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 [2020-07-11 01:08:22,164 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 [2020-07-11 01:08:22,165 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 [2020-07-11 01:08:22,166 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 [2020-07-11 01:08:22,176 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 [2020-07-11 01:08:22,176 INFO L280 TraceCheckUtils]: 24: Hoare triple {993#false} assume !false; {993#false} is VALID [2020-07-11 01:08:22,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:08:22,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1540025434] [2020-07-11 01:08:22,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 01:08:22,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-11 01:08:22,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293792434] [2020-07-11 01:08:22,182 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-07-11 01:08:22,182 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:08:22,182 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-11 01:08:22,217 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:22,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-11 01:08:22,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:08:22,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-11 01:08:22,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-07-11 01:08:22,219 INFO L87 Difference]: Start difference. First operand 100 states and 103 transitions. Second operand 8 states. [2020-07-11 01:08:23,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:23,518 INFO L93 Difference]: Finished difference Result 121 states and 126 transitions. [2020-07-11 01:08:23,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-11 01:08:23,518 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-07-11 01:08:23,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:08:23,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 01:08:23,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 126 transitions. [2020-07-11 01:08:23,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-11 01:08:23,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 126 transitions. [2020-07-11 01:08:23,526 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 126 transitions. [2020-07-11 01:08:23,723 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 126 edges. 126 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:23,731 INFO L225 Difference]: With dead ends: 121 [2020-07-11 01:08:23,731 INFO L226 Difference]: Without dead ends: 119 [2020-07-11 01:08:23,732 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 [2020-07-11 01:08:23,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-07-11 01:08:24,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 98. [2020-07-11 01:08:24,025 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:08:24,026 INFO L82 GeneralOperation]: Start isEquivalent. First operand 119 states. Second operand 98 states. [2020-07-11 01:08:24,026 INFO L74 IsIncluded]: Start isIncluded. First operand 119 states. Second operand 98 states. [2020-07-11 01:08:24,026 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 98 states. [2020-07-11 01:08:24,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:24,033 INFO L93 Difference]: Finished difference Result 119 states and 124 transitions. [2020-07-11 01:08:24,033 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 124 transitions. [2020-07-11 01:08:24,035 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:24,035 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:24,035 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand 119 states. [2020-07-11 01:08:24,035 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 119 states. [2020-07-11 01:08:24,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:24,042 INFO L93 Difference]: Finished difference Result 119 states and 124 transitions. [2020-07-11 01:08:24,042 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 124 transitions. [2020-07-11 01:08:24,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:24,043 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:24,043 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:08:24,044 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:08:24,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-07-11 01:08:24,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 101 transitions. [2020-07-11 01:08:24,048 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 101 transitions. Word has length 25 [2020-07-11 01:08:24,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:08:24,049 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 101 transitions. [2020-07-11 01:08:24,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-11 01:08:24,049 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 98 states and 101 transitions. [2020-07-11 01:08:24,200 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:24,200 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 101 transitions. [2020-07-11 01:08:24,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-11 01:08:24,201 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:08:24,201 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] [2020-07-11 01:08:24,202 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-11 01:08:24,202 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]=== [2020-07-11 01:08:24,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:08:24,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1939387545, now seen corresponding path program 1 times [2020-07-11 01:08:24,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:08:24,203 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529285874] [2020-07-11 01:08:24,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:08:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:24,455 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 [2020-07-11 01:08:24,456 INFO L280 TraceCheckUtils]: 1: Hoare triple {1691#true} #valid := #valid[0 := 0]; {1691#true} is VALID [2020-07-11 01:08:24,456 INFO L280 TraceCheckUtils]: 2: Hoare triple {1691#true} assume 0 < #StackHeapBarrier; {1691#true} is VALID [2020-07-11 01:08:24,456 INFO L280 TraceCheckUtils]: 3: Hoare triple {1691#true} assume true; {1691#true} is VALID [2020-07-11 01:08:24,456 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1691#true} {1691#true} #260#return; {1691#true} is VALID [2020-07-11 01:08:24,458 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 [2020-07-11 01:08:24,459 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 [2020-07-11 01:08:24,459 INFO L280 TraceCheckUtils]: 2: Hoare triple {1691#true} #valid := #valid[0 := 0]; {1691#true} is VALID [2020-07-11 01:08:24,459 INFO L280 TraceCheckUtils]: 3: Hoare triple {1691#true} assume 0 < #StackHeapBarrier; {1691#true} is VALID [2020-07-11 01:08:24,459 INFO L280 TraceCheckUtils]: 4: Hoare triple {1691#true} assume true; {1691#true} is VALID [2020-07-11 01:08:24,460 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1691#true} {1691#true} #260#return; {1691#true} is VALID [2020-07-11 01:08:24,460 INFO L263 TraceCheckUtils]: 6: Hoare triple {1691#true} call #t~ret21 := main(); {1691#true} is VALID [2020-07-11 01:08:24,460 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 [2020-07-11 01:08:24,460 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 [2020-07-11 01:08:24,461 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 [2020-07-11 01:08:24,461 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 [2020-07-11 01:08:24,461 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 [2020-07-11 01:08:24,462 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 [2020-07-11 01:08:24,462 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 [2020-07-11 01:08:24,463 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 [2020-07-11 01:08:24,463 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 [2020-07-11 01:08:24,470 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 [2020-07-11 01:08:24,471 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 [2020-07-11 01:08:24,471 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 [2020-07-11 01:08:24,472 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 [2020-07-11 01:08:24,473 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 [2020-07-11 01:08:24,474 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 [2020-07-11 01:08:24,474 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 [2020-07-11 01:08:24,475 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 [2020-07-11 01:08:24,475 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 [2020-07-11 01:08:24,476 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 [2020-07-11 01:08:24,477 INFO L280 TraceCheckUtils]: 26: Hoare triple {1703#(= ~unnamed1~0~BLACK |main_#t~mem12|)} assume !(~unnamed1~0~BLACK == #t~mem12); {1692#false} is VALID [2020-07-11 01:08:24,477 INFO L280 TraceCheckUtils]: 27: Hoare triple {1692#false} havoc #t~mem12; {1692#false} is VALID [2020-07-11 01:08:24,477 INFO L280 TraceCheckUtils]: 28: Hoare triple {1692#false} assume !false; {1692#false} is VALID [2020-07-11 01:08:24,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:08:24,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529285874] [2020-07-11 01:08:24,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 01:08:24,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-11 01:08:24,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335935076] [2020-07-11 01:08:24,481 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2020-07-11 01:08:24,481 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:08:24,482 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-11 01:08:24,524 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:24,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-11 01:08:24,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:08:24,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-11 01:08:24,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-11 01:08:24,526 INFO L87 Difference]: Start difference. First operand 98 states and 101 transitions. Second operand 9 states. [2020-07-11 01:08:26,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:26,381 INFO L93 Difference]: Finished difference Result 146 states and 152 transitions. [2020-07-11 01:08:26,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-11 01:08:26,383 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2020-07-11 01:08:26,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:08:26,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-11 01:08:26,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 152 transitions. [2020-07-11 01:08:26,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-11 01:08:26,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 152 transitions. [2020-07-11 01:08:26,402 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 152 transitions. [2020-07-11 01:08:26,600 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 152 edges. 152 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:26,605 INFO L225 Difference]: With dead ends: 146 [2020-07-11 01:08:26,605 INFO L226 Difference]: Without dead ends: 143 [2020-07-11 01:08:26,606 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 [2020-07-11 01:08:26,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-11 01:08:27,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 107. [2020-07-11 01:08:27,085 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:08:27,085 INFO L82 GeneralOperation]: Start isEquivalent. First operand 143 states. Second operand 107 states. [2020-07-11 01:08:27,085 INFO L74 IsIncluded]: Start isIncluded. First operand 143 states. Second operand 107 states. [2020-07-11 01:08:27,085 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 107 states. [2020-07-11 01:08:27,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:27,097 INFO L93 Difference]: Finished difference Result 143 states and 149 transitions. [2020-07-11 01:08:27,097 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 149 transitions. [2020-07-11 01:08:27,099 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:27,100 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:27,100 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 143 states. [2020-07-11 01:08:27,100 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 143 states. [2020-07-11 01:08:27,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:27,111 INFO L93 Difference]: Finished difference Result 143 states and 149 transitions. [2020-07-11 01:08:27,111 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 149 transitions. [2020-07-11 01:08:27,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:27,112 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:27,112 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:08:27,112 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:08:27,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-07-11 01:08:27,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 111 transitions. [2020-07-11 01:08:27,121 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 111 transitions. Word has length 29 [2020-07-11 01:08:27,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:08:27,122 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 111 transitions. [2020-07-11 01:08:27,122 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-11 01:08:27,122 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 107 states and 111 transitions. [2020-07-11 01:08:27,322 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:27,323 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 111 transitions. [2020-07-11 01:08:27,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-11 01:08:27,324 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:08:27,325 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] [2020-07-11 01:08:27,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-11 01:08:27,325 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]=== [2020-07-11 01:08:27,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:08:27,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1026590761, now seen corresponding path program 1 times [2020-07-11 01:08:27,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:08:27,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307015869] [2020-07-11 01:08:27,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:08:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:27,541 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 [2020-07-11 01:08:27,542 INFO L280 TraceCheckUtils]: 1: Hoare triple {2513#true} #valid := #valid[0 := 0]; {2513#true} is VALID [2020-07-11 01:08:27,542 INFO L280 TraceCheckUtils]: 2: Hoare triple {2513#true} assume 0 < #StackHeapBarrier; {2513#true} is VALID [2020-07-11 01:08:27,542 INFO L280 TraceCheckUtils]: 3: Hoare triple {2513#true} assume true; {2513#true} is VALID [2020-07-11 01:08:27,542 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2513#true} {2513#true} #260#return; {2513#true} is VALID [2020-07-11 01:08:27,543 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 [2020-07-11 01:08:27,544 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 [2020-07-11 01:08:27,544 INFO L280 TraceCheckUtils]: 2: Hoare triple {2513#true} #valid := #valid[0 := 0]; {2513#true} is VALID [2020-07-11 01:08:27,544 INFO L280 TraceCheckUtils]: 3: Hoare triple {2513#true} assume 0 < #StackHeapBarrier; {2513#true} is VALID [2020-07-11 01:08:27,545 INFO L280 TraceCheckUtils]: 4: Hoare triple {2513#true} assume true; {2513#true} is VALID [2020-07-11 01:08:27,545 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2513#true} {2513#true} #260#return; {2513#true} is VALID [2020-07-11 01:08:27,545 INFO L263 TraceCheckUtils]: 6: Hoare triple {2513#true} call #t~ret21 := main(); {2513#true} is VALID [2020-07-11 01:08:27,546 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 [2020-07-11 01:08:27,547 INFO L280 TraceCheckUtils]: 8: Hoare triple {2513#true} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {2513#true} is VALID [2020-07-11 01:08:27,547 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 [2020-07-11 01:08:27,547 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 [2020-07-11 01:08:27,550 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 [2020-07-11 01:08:27,551 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 [2020-07-11 01:08:27,551 INFO L280 TraceCheckUtils]: 13: Hoare triple {2513#true} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {2513#true} is VALID [2020-07-11 01:08:27,551 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 [2020-07-11 01:08:27,551 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 [2020-07-11 01:08:27,551 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 [2020-07-11 01:08:27,552 INFO L280 TraceCheckUtils]: 17: Hoare triple {2513#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {2513#true} is VALID [2020-07-11 01:08:27,552 INFO L280 TraceCheckUtils]: 18: Hoare triple {2513#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {2513#true} is VALID [2020-07-11 01:08:27,552 INFO L280 TraceCheckUtils]: 19: Hoare triple {2513#true} assume !(0 != #t~nondet2); {2513#true} is VALID [2020-07-11 01:08:27,553 INFO L280 TraceCheckUtils]: 20: Hoare triple {2513#true} havoc #t~nondet2; {2513#true} is VALID [2020-07-11 01:08:27,553 INFO L280 TraceCheckUtils]: 21: Hoare triple {2513#true} ~end~0.base, ~end~0.offset := ~null~0.base, ~null~0.offset; {2513#true} is VALID [2020-07-11 01:08:27,554 INFO L280 TraceCheckUtils]: 22: Hoare triple {2513#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {2513#true} is VALID [2020-07-11 01:08:27,554 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 [2020-07-11 01:08:27,554 INFO L280 TraceCheckUtils]: 24: Hoare triple {2513#true} goto; {2513#true} is VALID [2020-07-11 01:08:27,555 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 [2020-07-11 01:08:27,556 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 [2020-07-11 01:08:27,557 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 [2020-07-11 01:08:27,557 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 [2020-07-11 01:08:27,558 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 [2020-07-11 01:08:27,559 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 [2020-07-11 01:08:27,559 INFO L280 TraceCheckUtils]: 31: Hoare triple {2522#(= ~unnamed1~0~BLACK |main_#t~mem13|)} assume ~unnamed1~0~RED == #t~mem13; {2514#false} is VALID [2020-07-11 01:08:27,560 INFO L280 TraceCheckUtils]: 32: Hoare triple {2514#false} havoc #t~mem13; {2514#false} is VALID [2020-07-11 01:08:27,560 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 [2020-07-11 01:08:27,560 INFO L280 TraceCheckUtils]: 34: Hoare triple {2514#false} ~end~0.base, ~end~0.offset := #t~mem14.base, #t~mem14.offset; {2514#false} is VALID [2020-07-11 01:08:27,561 INFO L280 TraceCheckUtils]: 35: Hoare triple {2514#false} havoc #t~mem14.base, #t~mem14.offset; {2514#false} is VALID [2020-07-11 01:08:27,561 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 [2020-07-11 01:08:27,561 INFO L280 TraceCheckUtils]: 37: Hoare triple {2514#false} assume !false; {2514#false} is VALID [2020-07-11 01:08:27,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:08:27,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307015869] [2020-07-11 01:08:27,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 01:08:27,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-11 01:08:27,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906235497] [2020-07-11 01:08:27,565 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-07-11 01:08:27,565 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:08:27,565 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-11 01:08:27,614 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:27,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-11 01:08:27,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:08:27,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-11 01:08:27,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-11 01:08:27,615 INFO L87 Difference]: Start difference. First operand 107 states and 111 transitions. Second operand 6 states. [2020-07-11 01:08:29,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:29,010 INFO L93 Difference]: Finished difference Result 140 states and 146 transitions. [2020-07-11 01:08:29,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-11 01:08:29,010 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-07-11 01:08:29,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:08:29,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 01:08:29,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 141 transitions. [2020-07-11 01:08:29,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-11 01:08:29,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 141 transitions. [2020-07-11 01:08:29,019 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 141 transitions. [2020-07-11 01:08:29,187 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 141 edges. 141 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:29,193 INFO L225 Difference]: With dead ends: 140 [2020-07-11 01:08:29,193 INFO L226 Difference]: Without dead ends: 118 [2020-07-11 01:08:29,194 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-11 01:08:29,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-07-11 01:08:29,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 110. [2020-07-11 01:08:29,687 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:08:29,687 INFO L82 GeneralOperation]: Start isEquivalent. First operand 118 states. Second operand 110 states. [2020-07-11 01:08:29,687 INFO L74 IsIncluded]: Start isIncluded. First operand 118 states. Second operand 110 states. [2020-07-11 01:08:29,687 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 110 states. [2020-07-11 01:08:29,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:29,692 INFO L93 Difference]: Finished difference Result 118 states and 122 transitions. [2020-07-11 01:08:29,693 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 122 transitions. [2020-07-11 01:08:29,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:29,693 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:29,693 INFO L74 IsIncluded]: Start isIncluded. First operand 110 states. Second operand 118 states. [2020-07-11 01:08:29,694 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 118 states. [2020-07-11 01:08:29,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:29,698 INFO L93 Difference]: Finished difference Result 118 states and 122 transitions. [2020-07-11 01:08:29,698 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 122 transitions. [2020-07-11 01:08:29,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:29,699 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:29,699 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:08:29,699 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:08:29,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-11 01:08:29,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 114 transitions. [2020-07-11 01:08:29,703 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 114 transitions. Word has length 38 [2020-07-11 01:08:29,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:08:29,703 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 114 transitions. [2020-07-11 01:08:29,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-11 01:08:29,704 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 110 states and 114 transitions. [2020-07-11 01:08:29,951 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:29,951 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 114 transitions. [2020-07-11 01:08:29,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-11 01:08:29,953 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:08:29,953 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] [2020-07-11 01:08:29,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-11 01:08:29,954 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]=== [2020-07-11 01:08:29,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:08:29,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1637573847, now seen corresponding path program 1 times [2020-07-11 01:08:29,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:08:29,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [217928017] [2020-07-11 01:08:29,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:08:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:30,047 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 [2020-07-11 01:08:30,047 INFO L280 TraceCheckUtils]: 1: Hoare triple {3266#true} #valid := #valid[0 := 0]; {3266#true} is VALID [2020-07-11 01:08:30,047 INFO L280 TraceCheckUtils]: 2: Hoare triple {3266#true} assume 0 < #StackHeapBarrier; {3266#true} is VALID [2020-07-11 01:08:30,047 INFO L280 TraceCheckUtils]: 3: Hoare triple {3266#true} assume true; {3266#true} is VALID [2020-07-11 01:08:30,048 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3266#true} {3266#true} #260#return; {3266#true} is VALID [2020-07-11 01:08:30,049 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 [2020-07-11 01:08:30,050 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 [2020-07-11 01:08:30,050 INFO L280 TraceCheckUtils]: 2: Hoare triple {3266#true} #valid := #valid[0 := 0]; {3266#true} is VALID [2020-07-11 01:08:30,050 INFO L280 TraceCheckUtils]: 3: Hoare triple {3266#true} assume 0 < #StackHeapBarrier; {3266#true} is VALID [2020-07-11 01:08:30,050 INFO L280 TraceCheckUtils]: 4: Hoare triple {3266#true} assume true; {3266#true} is VALID [2020-07-11 01:08:30,051 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3266#true} {3266#true} #260#return; {3266#true} is VALID [2020-07-11 01:08:30,051 INFO L263 TraceCheckUtils]: 6: Hoare triple {3266#true} call #t~ret21 := main(); {3266#true} is VALID [2020-07-11 01:08:30,051 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 [2020-07-11 01:08:30,051 INFO L280 TraceCheckUtils]: 8: Hoare triple {3266#true} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {3266#true} is VALID [2020-07-11 01:08:30,052 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 [2020-07-11 01:08:30,052 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 [2020-07-11 01:08:30,052 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 [2020-07-11 01:08:30,053 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 [2020-07-11 01:08:30,053 INFO L280 TraceCheckUtils]: 13: Hoare triple {3266#true} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {3266#true} is VALID [2020-07-11 01:08:30,053 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 [2020-07-11 01:08:30,053 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 [2020-07-11 01:08:30,054 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 [2020-07-11 01:08:30,054 INFO L280 TraceCheckUtils]: 17: Hoare triple {3266#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {3266#true} is VALID [2020-07-11 01:08:30,054 INFO L280 TraceCheckUtils]: 18: Hoare triple {3266#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {3266#true} is VALID [2020-07-11 01:08:30,054 INFO L280 TraceCheckUtils]: 19: Hoare triple {3266#true} assume !!(0 != #t~nondet2); {3266#true} is VALID [2020-07-11 01:08:30,055 INFO L280 TraceCheckUtils]: 20: Hoare triple {3266#true} havoc #t~nondet2; {3266#true} is VALID [2020-07-11 01:08:30,055 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 [2020-07-11 01:08:30,055 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 [2020-07-11 01:08:30,055 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 [2020-07-11 01:08:30,056 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 [2020-07-11 01:08:30,056 INFO L280 TraceCheckUtils]: 25: Hoare triple {3266#true} havoc #t~mem4.base, #t~mem4.offset; {3266#true} is VALID [2020-07-11 01:08:30,056 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 [2020-07-11 01:08:30,056 INFO L280 TraceCheckUtils]: 27: Hoare triple {3266#true} ~end~0.base, ~end~0.offset := #t~mem5.base, #t~mem5.offset; {3266#true} is VALID [2020-07-11 01:08:30,057 INFO L280 TraceCheckUtils]: 28: Hoare triple {3266#true} havoc #t~mem5.base, #t~mem5.offset; {3266#true} is VALID [2020-07-11 01:08:30,057 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 [2020-07-11 01:08:30,057 INFO L280 TraceCheckUtils]: 30: Hoare triple {3266#true} assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647; {3266#true} is VALID [2020-07-11 01:08:30,057 INFO L280 TraceCheckUtils]: 31: Hoare triple {3266#true} assume 0 != #t~nondet6; {3266#true} is VALID [2020-07-11 01:08:30,058 INFO L280 TraceCheckUtils]: 32: Hoare triple {3266#true} havoc #t~nondet6; {3266#true} is VALID [2020-07-11 01:08:30,059 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 [2020-07-11 01:08:30,060 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 [2020-07-11 01:08:30,060 INFO L280 TraceCheckUtils]: 35: Hoare triple {3274#(= ~unnamed1~0~BLACK |main_#t~mem10|)} assume !(~unnamed1~0~BLACK == #t~mem10); {3267#false} is VALID [2020-07-11 01:08:30,061 INFO L280 TraceCheckUtils]: 36: Hoare triple {3267#false} havoc #t~mem10; {3267#false} is VALID [2020-07-11 01:08:30,061 INFO L280 TraceCheckUtils]: 37: Hoare triple {3267#false} assume !false; {3267#false} is VALID [2020-07-11 01:08:30,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:08:30,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [217928017] [2020-07-11 01:08:30,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 01:08:30,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-11 01:08:30,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092250726] [2020-07-11 01:08:30,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-07-11 01:08:30,064 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:08:30,064 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-11 01:08:30,127 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:30,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-11 01:08:30,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:08:30,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-11 01:08:30,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-11 01:08:30,128 INFO L87 Difference]: Start difference. First operand 110 states and 114 transitions. Second operand 5 states. [2020-07-11 01:08:31,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:31,177 INFO L93 Difference]: Finished difference Result 115 states and 119 transitions. [2020-07-11 01:08:31,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-11 01:08:31,178 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-07-11 01:08:31,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:08:31,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 01:08:31,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 111 transitions. [2020-07-11 01:08:31,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 01:08:31,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 111 transitions. [2020-07-11 01:08:31,186 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 111 transitions. [2020-07-11 01:08:31,320 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:31,323 INFO L225 Difference]: With dead ends: 115 [2020-07-11 01:08:31,323 INFO L226 Difference]: Without dead ends: 112 [2020-07-11 01:08:31,324 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 [2020-07-11 01:08:31,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-07-11 01:08:31,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 107. [2020-07-11 01:08:31,818 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:08:31,818 INFO L82 GeneralOperation]: Start isEquivalent. First operand 112 states. Second operand 107 states. [2020-07-11 01:08:31,819 INFO L74 IsIncluded]: Start isIncluded. First operand 112 states. Second operand 107 states. [2020-07-11 01:08:31,819 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 107 states. [2020-07-11 01:08:31,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:31,824 INFO L93 Difference]: Finished difference Result 112 states and 116 transitions. [2020-07-11 01:08:31,824 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2020-07-11 01:08:31,825 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:31,825 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:31,826 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 112 states. [2020-07-11 01:08:31,826 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 112 states. [2020-07-11 01:08:31,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:31,833 INFO L93 Difference]: Finished difference Result 112 states and 116 transitions. [2020-07-11 01:08:31,833 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2020-07-11 01:08:31,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:31,834 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:31,834 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:08:31,834 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:08:31,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-07-11 01:08:31,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 111 transitions. [2020-07-11 01:08:31,839 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 111 transitions. Word has length 38 [2020-07-11 01:08:31,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:08:31,840 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 111 transitions. [2020-07-11 01:08:31,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-11 01:08:31,840 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 107 states and 111 transitions. [2020-07-11 01:08:32,094 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:32,095 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 111 transitions. [2020-07-11 01:08:32,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-07-11 01:08:32,096 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:08:32,096 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] [2020-07-11 01:08:32,096 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-11 01:08:32,097 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]=== [2020-07-11 01:08:32,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:08:32,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1162057661, now seen corresponding path program 1 times [2020-07-11 01:08:32,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:08:32,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [536001515] [2020-07-11 01:08:32,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:08:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:32,263 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 [2020-07-11 01:08:32,263 INFO L280 TraceCheckUtils]: 1: Hoare triple {3948#true} #valid := #valid[0 := 0]; {3948#true} is VALID [2020-07-11 01:08:32,264 INFO L280 TraceCheckUtils]: 2: Hoare triple {3948#true} assume 0 < #StackHeapBarrier; {3948#true} is VALID [2020-07-11 01:08:32,264 INFO L280 TraceCheckUtils]: 3: Hoare triple {3948#true} assume true; {3948#true} is VALID [2020-07-11 01:08:32,264 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3948#true} {3948#true} #260#return; {3948#true} is VALID [2020-07-11 01:08:32,265 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 [2020-07-11 01:08:32,265 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 [2020-07-11 01:08:32,265 INFO L280 TraceCheckUtils]: 2: Hoare triple {3948#true} #valid := #valid[0 := 0]; {3948#true} is VALID [2020-07-11 01:08:32,266 INFO L280 TraceCheckUtils]: 3: Hoare triple {3948#true} assume 0 < #StackHeapBarrier; {3948#true} is VALID [2020-07-11 01:08:32,266 INFO L280 TraceCheckUtils]: 4: Hoare triple {3948#true} assume true; {3948#true} is VALID [2020-07-11 01:08:32,266 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3948#true} {3948#true} #260#return; {3948#true} is VALID [2020-07-11 01:08:32,266 INFO L263 TraceCheckUtils]: 6: Hoare triple {3948#true} call #t~ret21 := main(); {3948#true} is VALID [2020-07-11 01:08:32,267 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 [2020-07-11 01:08:32,267 INFO L280 TraceCheckUtils]: 8: Hoare triple {3948#true} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {3948#true} is VALID [2020-07-11 01:08:32,267 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 [2020-07-11 01:08:32,267 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 [2020-07-11 01:08:32,268 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 [2020-07-11 01:08:32,268 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 [2020-07-11 01:08:32,268 INFO L280 TraceCheckUtils]: 13: Hoare triple {3948#true} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {3948#true} is VALID [2020-07-11 01:08:32,268 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 [2020-07-11 01:08:32,269 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 [2020-07-11 01:08:32,269 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 [2020-07-11 01:08:32,269 INFO L280 TraceCheckUtils]: 17: Hoare triple {3948#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {3948#true} is VALID [2020-07-11 01:08:32,269 INFO L280 TraceCheckUtils]: 18: Hoare triple {3948#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {3948#true} is VALID [2020-07-11 01:08:32,270 INFO L280 TraceCheckUtils]: 19: Hoare triple {3948#true} assume !!(0 != #t~nondet2); {3948#true} is VALID [2020-07-11 01:08:32,270 INFO L280 TraceCheckUtils]: 20: Hoare triple {3948#true} havoc #t~nondet2; {3948#true} is VALID [2020-07-11 01:08:32,270 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 [2020-07-11 01:08:32,270 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 [2020-07-11 01:08:32,270 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 [2020-07-11 01:08:32,271 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 [2020-07-11 01:08:32,271 INFO L280 TraceCheckUtils]: 25: Hoare triple {3948#true} havoc #t~mem4.base, #t~mem4.offset; {3948#true} is VALID [2020-07-11 01:08:32,271 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 [2020-07-11 01:08:32,271 INFO L280 TraceCheckUtils]: 27: Hoare triple {3948#true} ~end~0.base, ~end~0.offset := #t~mem5.base, #t~mem5.offset; {3948#true} is VALID [2020-07-11 01:08:32,272 INFO L280 TraceCheckUtils]: 28: Hoare triple {3948#true} havoc #t~mem5.base, #t~mem5.offset; {3948#true} is VALID [2020-07-11 01:08:32,273 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 [2020-07-11 01:08:32,274 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 [2020-07-11 01:08:32,277 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 [2020-07-11 01:08:32,278 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 [2020-07-11 01:08:32,280 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 [2020-07-11 01:08:32,281 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 [2020-07-11 01:08:32,284 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 [2020-07-11 01:08:32,285 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 [2020-07-11 01:08:32,285 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 [2020-07-11 01:08:32,286 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 [2020-07-11 01:08:32,287 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 [2020-07-11 01:08:32,303 INFO L280 TraceCheckUtils]: 40: Hoare triple {3949#false} havoc #t~mem11.base, #t~mem11.offset; {3949#false} is VALID [2020-07-11 01:08:32,303 INFO L280 TraceCheckUtils]: 41: Hoare triple {3949#false} assume !false; {3949#false} is VALID [2020-07-11 01:08:32,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:08:32,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [536001515] [2020-07-11 01:08:32,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 01:08:32,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-11 01:08:32,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778490339] [2020-07-11 01:08:32,307 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2020-07-11 01:08:32,307 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:08:32,308 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-11 01:08:32,352 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:32,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-11 01:08:32,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:08:32,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-11 01:08:32,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-11 01:08:32,353 INFO L87 Difference]: Start difference. First operand 107 states and 111 transitions. Second operand 5 states. [2020-07-11 01:08:33,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:33,437 INFO L93 Difference]: Finished difference Result 110 states and 114 transitions. [2020-07-11 01:08:33,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-11 01:08:33,437 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2020-07-11 01:08:33,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:08:33,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 01:08:33,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 106 transitions. [2020-07-11 01:08:33,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-11 01:08:33,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 106 transitions. [2020-07-11 01:08:33,442 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 106 transitions. [2020-07-11 01:08:33,562 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:33,567 INFO L225 Difference]: With dead ends: 110 [2020-07-11 01:08:33,568 INFO L226 Difference]: Without dead ends: 107 [2020-07-11 01:08:33,571 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 [2020-07-11 01:08:33,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-07-11 01:08:34,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 104. [2020-07-11 01:08:34,063 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:08:34,064 INFO L82 GeneralOperation]: Start isEquivalent. First operand 107 states. Second operand 104 states. [2020-07-11 01:08:34,064 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 104 states. [2020-07-11 01:08:34,064 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 104 states. [2020-07-11 01:08:34,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:34,068 INFO L93 Difference]: Finished difference Result 107 states and 111 transitions. [2020-07-11 01:08:34,068 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 111 transitions. [2020-07-11 01:08:34,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:34,068 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:34,069 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand 107 states. [2020-07-11 01:08:34,069 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 107 states. [2020-07-11 01:08:34,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:34,072 INFO L93 Difference]: Finished difference Result 107 states and 111 transitions. [2020-07-11 01:08:34,073 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 111 transitions. [2020-07-11 01:08:34,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:34,073 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:34,073 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:08:34,074 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:08:34,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-07-11 01:08:34,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 108 transitions. [2020-07-11 01:08:34,077 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 108 transitions. Word has length 42 [2020-07-11 01:08:34,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:08:34,077 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 108 transitions. [2020-07-11 01:08:34,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-11 01:08:34,078 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 104 states and 108 transitions. [2020-07-11 01:08:34,327 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:34,327 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 108 transitions. [2020-07-11 01:08:34,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-07-11 01:08:34,328 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:08:34,328 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] [2020-07-11 01:08:34,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-11 01:08:34,329 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]=== [2020-07-11 01:08:34,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:08:34,330 INFO L82 PathProgramCache]: Analyzing trace with hash -41137780, now seen corresponding path program 1 times [2020-07-11 01:08:34,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:08:34,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1403180318] [2020-07-11 01:08:34,331 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:08:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:34,730 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 [2020-07-11 01:08:34,731 INFO L280 TraceCheckUtils]: 1: Hoare triple {4604#true} #valid := #valid[0 := 0]; {4604#true} is VALID [2020-07-11 01:08:34,731 INFO L280 TraceCheckUtils]: 2: Hoare triple {4604#true} assume 0 < #StackHeapBarrier; {4604#true} is VALID [2020-07-11 01:08:34,732 INFO L280 TraceCheckUtils]: 3: Hoare triple {4604#true} assume true; {4604#true} is VALID [2020-07-11 01:08:34,732 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4604#true} {4604#true} #260#return; {4604#true} is VALID [2020-07-11 01:08:34,733 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 [2020-07-11 01:08:34,733 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 [2020-07-11 01:08:34,733 INFO L280 TraceCheckUtils]: 2: Hoare triple {4604#true} #valid := #valid[0 := 0]; {4604#true} is VALID [2020-07-11 01:08:34,734 INFO L280 TraceCheckUtils]: 3: Hoare triple {4604#true} assume 0 < #StackHeapBarrier; {4604#true} is VALID [2020-07-11 01:08:34,734 INFO L280 TraceCheckUtils]: 4: Hoare triple {4604#true} assume true; {4604#true} is VALID [2020-07-11 01:08:34,734 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4604#true} {4604#true} #260#return; {4604#true} is VALID [2020-07-11 01:08:34,735 INFO L263 TraceCheckUtils]: 6: Hoare triple {4604#true} call #t~ret21 := main(); {4604#true} is VALID [2020-07-11 01:08:34,736 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 [2020-07-11 01:08:34,738 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 [2020-07-11 01:08:34,738 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 [2020-07-11 01:08:34,739 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 [2020-07-11 01:08:34,739 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 [2020-07-11 01:08:34,740 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 [2020-07-11 01:08:34,741 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 [2020-07-11 01:08:34,742 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 [2020-07-11 01:08:34,745 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 [2020-07-11 01:08:34,746 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 [2020-07-11 01:08:34,747 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 [2020-07-11 01:08:34,748 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 [2020-07-11 01:08:34,749 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 [2020-07-11 01:08:34,749 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 [2020-07-11 01:08:34,750 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 [2020-07-11 01:08:34,753 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 [2020-07-11 01:08:34,754 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 [2020-07-11 01:08:34,758 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 [2020-07-11 01:08:34,763 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 [2020-07-11 01:08:34,767 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 [2020-07-11 01:08:34,768 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 [2020-07-11 01:08:34,769 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 [2020-07-11 01:08:34,769 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 [2020-07-11 01:08:34,770 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 [2020-07-11 01:08:34,770 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 [2020-07-11 01:08:34,771 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 [2020-07-11 01:08:34,771 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 [2020-07-11 01:08:34,772 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 [2020-07-11 01:08:34,773 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 [2020-07-11 01:08:34,773 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 [2020-07-11 01:08:34,774 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 [2020-07-11 01:08:34,779 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 [2020-07-11 01:08:34,779 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 [2020-07-11 01:08:34,780 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 [2020-07-11 01:08:34,781 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 [2020-07-11 01:08:34,781 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 [2020-07-11 01:08:34,781 INFO L280 TraceCheckUtils]: 43: Hoare triple {4605#false} assume !false; {4605#false} is VALID [2020-07-11 01:08:34,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:08:34,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1403180318] [2020-07-11 01:08:34,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 01:08:34,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-11 01:08:34,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337335269] [2020-07-11 01:08:34,787 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 44 [2020-07-11 01:08:34,788 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:08:34,788 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-11 01:08:34,841 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:34,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-11 01:08:34,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:08:34,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-11 01:08:34,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-07-11 01:08:34,842 INFO L87 Difference]: Start difference. First operand 104 states and 108 transitions. Second operand 14 states. [2020-07-11 01:08:38,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:38,257 INFO L93 Difference]: Finished difference Result 154 states and 160 transitions. [2020-07-11 01:08:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-11 01:08:38,258 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 44 [2020-07-11 01:08:38,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:08:38,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-11 01:08:38,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 155 transitions. [2020-07-11 01:08:38,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-11 01:08:38,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 155 transitions. [2020-07-11 01:08:38,273 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 155 transitions. [2020-07-11 01:08:38,506 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 155 edges. 155 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:38,509 INFO L225 Difference]: With dead ends: 154 [2020-07-11 01:08:38,509 INFO L226 Difference]: Without dead ends: 152 [2020-07-11 01:08:38,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2020-07-11 01:08:38,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-07-11 01:08:39,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 127. [2020-07-11 01:08:39,221 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:08:39,221 INFO L82 GeneralOperation]: Start isEquivalent. First operand 152 states. Second operand 127 states. [2020-07-11 01:08:39,221 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand 127 states. [2020-07-11 01:08:39,222 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 127 states. [2020-07-11 01:08:39,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:39,228 INFO L93 Difference]: Finished difference Result 152 states and 158 transitions. [2020-07-11 01:08:39,228 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 158 transitions. [2020-07-11 01:08:39,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:39,229 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:39,229 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 152 states. [2020-07-11 01:08:39,229 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 152 states. [2020-07-11 01:08:39,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:39,234 INFO L93 Difference]: Finished difference Result 152 states and 158 transitions. [2020-07-11 01:08:39,235 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 158 transitions. [2020-07-11 01:08:39,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:39,235 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:39,235 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:08:39,236 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:08:39,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-11 01:08:39,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 132 transitions. [2020-07-11 01:08:39,240 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 132 transitions. Word has length 44 [2020-07-11 01:08:39,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:08:39,240 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 132 transitions. [2020-07-11 01:08:39,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-11 01:08:39,240 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 127 states and 132 transitions. [2020-07-11 01:08:39,524 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 132 edges. 132 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:39,524 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 132 transitions. [2020-07-11 01:08:39,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-11 01:08:39,525 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:08:39,525 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] [2020-07-11 01:08:39,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-11 01:08:39,525 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]=== [2020-07-11 01:08:39,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:08:39,526 INFO L82 PathProgramCache]: Analyzing trace with hash 784866741, now seen corresponding path program 1 times [2020-07-11 01:08:39,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:08:39,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [476303971] [2020-07-11 01:08:39,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:08:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:39,718 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 [2020-07-11 01:08:39,719 INFO L280 TraceCheckUtils]: 1: Hoare triple {5511#true} #valid := #valid[0 := 0]; {5511#true} is VALID [2020-07-11 01:08:39,719 INFO L280 TraceCheckUtils]: 2: Hoare triple {5511#true} assume 0 < #StackHeapBarrier; {5511#true} is VALID [2020-07-11 01:08:39,719 INFO L280 TraceCheckUtils]: 3: Hoare triple {5511#true} assume true; {5511#true} is VALID [2020-07-11 01:08:39,719 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5511#true} {5511#true} #260#return; {5511#true} is VALID [2020-07-11 01:08:39,720 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 [2020-07-11 01:08:39,721 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 [2020-07-11 01:08:39,721 INFO L280 TraceCheckUtils]: 2: Hoare triple {5511#true} #valid := #valid[0 := 0]; {5511#true} is VALID [2020-07-11 01:08:39,721 INFO L280 TraceCheckUtils]: 3: Hoare triple {5511#true} assume 0 < #StackHeapBarrier; {5511#true} is VALID [2020-07-11 01:08:39,721 INFO L280 TraceCheckUtils]: 4: Hoare triple {5511#true} assume true; {5511#true} is VALID [2020-07-11 01:08:39,722 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5511#true} {5511#true} #260#return; {5511#true} is VALID [2020-07-11 01:08:39,722 INFO L263 TraceCheckUtils]: 6: Hoare triple {5511#true} call #t~ret21 := main(); {5511#true} is VALID [2020-07-11 01:08:39,722 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 [2020-07-11 01:08:39,722 INFO L280 TraceCheckUtils]: 8: Hoare triple {5511#true} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {5511#true} is VALID [2020-07-11 01:08:39,723 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 [2020-07-11 01:08:39,723 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 [2020-07-11 01:08:39,723 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 [2020-07-11 01:08:39,723 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 [2020-07-11 01:08:39,723 INFO L280 TraceCheckUtils]: 13: Hoare triple {5511#true} ~list~0.base, ~list~0.offset := #t~malloc1.base, #t~malloc1.offset; {5511#true} is VALID [2020-07-11 01:08:39,725 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 [2020-07-11 01:08:39,726 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 [2020-07-11 01:08:39,728 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 [2020-07-11 01:08:39,729 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 [2020-07-11 01:08:39,730 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 [2020-07-11 01:08:39,730 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 [2020-07-11 01:08:39,731 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 [2020-07-11 01:08:39,732 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 [2020-07-11 01:08:39,733 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 [2020-07-11 01:08:39,734 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 [2020-07-11 01:08:39,735 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 [2020-07-11 01:08:39,735 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 [2020-07-11 01:08:39,736 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 [2020-07-11 01:08:39,737 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 [2020-07-11 01:08:39,738 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 [2020-07-11 01:08:39,739 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 [2020-07-11 01:08:39,739 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 [2020-07-11 01:08:39,740 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 [2020-07-11 01:08:39,741 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 [2020-07-11 01:08:39,742 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 [2020-07-11 01:08:39,742 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 [2020-07-11 01:08:39,743 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 [2020-07-11 01:08:39,744 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 [2020-07-11 01:08:39,744 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 [2020-07-11 01:08:39,744 INFO L280 TraceCheckUtils]: 38: Hoare triple {5512#false} assume ~unnamed1~0~RED == #t~mem13; {5512#false} is VALID [2020-07-11 01:08:39,745 INFO L280 TraceCheckUtils]: 39: Hoare triple {5512#false} havoc #t~mem13; {5512#false} is VALID [2020-07-11 01:08:39,745 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 [2020-07-11 01:08:39,745 INFO L280 TraceCheckUtils]: 41: Hoare triple {5512#false} ~end~0.base, ~end~0.offset := #t~mem14.base, #t~mem14.offset; {5512#false} is VALID [2020-07-11 01:08:39,745 INFO L280 TraceCheckUtils]: 42: Hoare triple {5512#false} havoc #t~mem14.base, #t~mem14.offset; {5512#false} is VALID [2020-07-11 01:08:39,745 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 [2020-07-11 01:08:39,746 INFO L280 TraceCheckUtils]: 44: Hoare triple {5512#false} assume !false; {5512#false} is VALID [2020-07-11 01:08:39,751 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:08:39,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [476303971] [2020-07-11 01:08:39,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:08:39,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-11 01:08:39,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679082367] [2020-07-11 01:08:39,753 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2020-07-11 01:08:39,753 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:08:39,753 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-11 01:08:39,814 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:39,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-11 01:08:39,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:08:39,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-11 01:08:39,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-11 01:08:39,816 INFO L87 Difference]: Start difference. First operand 127 states and 132 transitions. Second operand 7 states. [2020-07-11 01:08:41,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:41,649 INFO L93 Difference]: Finished difference Result 159 states and 165 transitions. [2020-07-11 01:08:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-11 01:08:41,649 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2020-07-11 01:08:41,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:08:41,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 01:08:41,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 141 transitions. [2020-07-11 01:08:41,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-11 01:08:41,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 141 transitions. [2020-07-11 01:08:41,656 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 141 transitions. [2020-07-11 01:08:41,829 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 141 edges. 141 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:41,832 INFO L225 Difference]: With dead ends: 159 [2020-07-11 01:08:41,832 INFO L226 Difference]: Without dead ends: 120 [2020-07-11 01:08:41,832 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 [2020-07-11 01:08:41,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-11 01:08:42,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-07-11 01:08:42,528 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:08:42,528 INFO L82 GeneralOperation]: Start isEquivalent. First operand 120 states. Second operand 120 states. [2020-07-11 01:08:42,529 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand 120 states. [2020-07-11 01:08:42,529 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 120 states. [2020-07-11 01:08:42,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:42,533 INFO L93 Difference]: Finished difference Result 120 states and 124 transitions. [2020-07-11 01:08:42,533 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 124 transitions. [2020-07-11 01:08:42,534 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:42,534 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:42,534 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand 120 states. [2020-07-11 01:08:42,534 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 120 states. [2020-07-11 01:08:42,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:42,538 INFO L93 Difference]: Finished difference Result 120 states and 124 transitions. [2020-07-11 01:08:42,538 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 124 transitions. [2020-07-11 01:08:42,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:42,539 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:42,539 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:08:42,539 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:08:42,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-07-11 01:08:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 124 transitions. [2020-07-11 01:08:42,542 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 124 transitions. Word has length 45 [2020-07-11 01:08:42,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:08:42,543 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 124 transitions. [2020-07-11 01:08:42,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-11 01:08:42,543 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 120 states and 124 transitions. [2020-07-11 01:08:42,832 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:42,832 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 124 transitions. [2020-07-11 01:08:42,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-11 01:08:42,833 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:08:42,833 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] [2020-07-11 01:08:42,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-11 01:08:42,834 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]=== [2020-07-11 01:08:42,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:08:42,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1051665877, now seen corresponding path program 1 times [2020-07-11 01:08:42,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:08:42,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [174482859] [2020-07-11 01:08:42,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:08:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:43,380 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 [2020-07-11 01:08:43,380 INFO L280 TraceCheckUtils]: 1: Hoare triple {6333#true} #valid := #valid[0 := 0]; {6333#true} is VALID [2020-07-11 01:08:43,380 INFO L280 TraceCheckUtils]: 2: Hoare triple {6333#true} assume 0 < #StackHeapBarrier; {6333#true} is VALID [2020-07-11 01:08:43,381 INFO L280 TraceCheckUtils]: 3: Hoare triple {6333#true} assume true; {6333#true} is VALID [2020-07-11 01:08:43,381 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6333#true} {6333#true} #260#return; {6333#true} is VALID [2020-07-11 01:08:43,382 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 [2020-07-11 01:08:43,382 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 [2020-07-11 01:08:43,382 INFO L280 TraceCheckUtils]: 2: Hoare triple {6333#true} #valid := #valid[0 := 0]; {6333#true} is VALID [2020-07-11 01:08:43,382 INFO L280 TraceCheckUtils]: 3: Hoare triple {6333#true} assume 0 < #StackHeapBarrier; {6333#true} is VALID [2020-07-11 01:08:43,382 INFO L280 TraceCheckUtils]: 4: Hoare triple {6333#true} assume true; {6333#true} is VALID [2020-07-11 01:08:43,382 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6333#true} {6333#true} #260#return; {6333#true} is VALID [2020-07-11 01:08:43,382 INFO L263 TraceCheckUtils]: 6: Hoare triple {6333#true} call #t~ret21 := main(); {6333#true} is VALID [2020-07-11 01:08:43,383 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 [2020-07-11 01:08:43,384 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 [2020-07-11 01:08:43,384 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 [2020-07-11 01:08:43,385 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 [2020-07-11 01:08:43,386 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 [2020-07-11 01:08:43,386 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 [2020-07-11 01:08:43,387 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 [2020-07-11 01:08:43,388 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 [2020-07-11 01:08:43,389 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 [2020-07-11 01:08:43,390 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 [2020-07-11 01:08:43,391 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 [2020-07-11 01:08:43,392 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 [2020-07-11 01:08:43,393 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 [2020-07-11 01:08:43,394 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 [2020-07-11 01:08:43,396 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 [2020-07-11 01:08:43,397 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 [2020-07-11 01:08:43,398 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 [2020-07-11 01:08:43,400 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 [2020-07-11 01:08:43,401 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 [2020-07-11 01:08:43,402 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 [2020-07-11 01:08:43,402 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 [2020-07-11 01:08:43,403 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 [2020-07-11 01:08:43,404 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 [2020-07-11 01:08:43,404 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 [2020-07-11 01:08:43,405 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 [2020-07-11 01:08:43,405 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 [2020-07-11 01:08:43,406 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 [2020-07-11 01:08:43,408 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 [2020-07-11 01:08:43,409 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 [2020-07-11 01:08:43,417 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 [2020-07-11 01:08:43,418 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 [2020-07-11 01:08:43,419 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 [2020-07-11 01:08:43,419 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 [2020-07-11 01:08:43,420 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 [2020-07-11 01:08:43,420 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 [2020-07-11 01:08:43,421 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 [2020-07-11 01:08:43,421 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 [2020-07-11 01:08:43,422 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 [2020-07-11 01:08:43,422 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 [2020-07-11 01:08:43,422 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 [2020-07-11 01:08:43,423 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 [2020-07-11 01:08:43,423 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 [2020-07-11 01:08:43,424 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 [2020-07-11 01:08:43,424 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 [2020-07-11 01:08:43,426 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 [2020-07-11 01:08:43,428 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 [2020-07-11 01:08:43,428 INFO L280 TraceCheckUtils]: 53: Hoare triple {6334#false} assume !false; {6334#false} is VALID [2020-07-11 01:08:43,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:08:43,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [174482859] [2020-07-11 01:08:43,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 01:08:43,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-11 01:08:43,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723218688] [2020-07-11 01:08:43,436 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 54 [2020-07-11 01:08:43,436 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:08:43,436 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states. [2020-07-11 01:08:43,514 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:43,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-11 01:08:43,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:08:43,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-11 01:08:43,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-07-11 01:08:43,515 INFO L87 Difference]: Start difference. First operand 120 states and 124 transitions. Second operand 19 states. [2020-07-11 01:08:49,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:49,311 INFO L93 Difference]: Finished difference Result 187 states and 195 transitions. [2020-07-11 01:08:49,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-11 01:08:49,311 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 54 [2020-07-11 01:08:49,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:08:49,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-11 01:08:49,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 174 transitions. [2020-07-11 01:08:49,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-11 01:08:49,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 174 transitions. [2020-07-11 01:08:49,318 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states and 174 transitions. [2020-07-11 01:08:49,609 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:49,616 INFO L225 Difference]: With dead ends: 187 [2020-07-11 01:08:49,616 INFO L226 Difference]: Without dead ends: 185 [2020-07-11 01:08:49,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=294, Invalid=1112, Unknown=0, NotChecked=0, Total=1406 [2020-07-11 01:08:49,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-07-11 01:08:50,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 167. [2020-07-11 01:08:50,767 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:08:50,767 INFO L82 GeneralOperation]: Start isEquivalent. First operand 185 states. Second operand 167 states. [2020-07-11 01:08:50,768 INFO L74 IsIncluded]: Start isIncluded. First operand 185 states. Second operand 167 states. [2020-07-11 01:08:50,768 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 167 states. [2020-07-11 01:08:50,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:50,775 INFO L93 Difference]: Finished difference Result 185 states and 193 transitions. [2020-07-11 01:08:50,775 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 193 transitions. [2020-07-11 01:08:50,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:50,776 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:50,776 INFO L74 IsIncluded]: Start isIncluded. First operand 167 states. Second operand 185 states. [2020-07-11 01:08:50,776 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 185 states. [2020-07-11 01:08:50,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:50,782 INFO L93 Difference]: Finished difference Result 185 states and 193 transitions. [2020-07-11 01:08:50,782 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 193 transitions. [2020-07-11 01:08:50,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:50,783 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:50,783 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:08:50,783 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:08:50,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-07-11 01:08:50,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 174 transitions. [2020-07-11 01:08:50,788 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 174 transitions. Word has length 54 [2020-07-11 01:08:50,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:08:50,789 INFO L479 AbstractCegarLoop]: Abstraction has 167 states and 174 transitions. [2020-07-11 01:08:50,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-11 01:08:50,789 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 167 states and 174 transitions. [2020-07-11 01:08:51,236 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:51,237 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 174 transitions. [2020-07-11 01:08:51,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-11 01:08:51,238 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:08:51,238 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] [2020-07-11 01:08:51,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-11 01:08:51,239 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]=== [2020-07-11 01:08:51,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:08:51,239 INFO L82 PathProgramCache]: Analyzing trace with hash 999535374, now seen corresponding path program 1 times [2020-07-11 01:08:51,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:08:51,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [957824275] [2020-07-11 01:08:51,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:08:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:08:52,067 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 [2020-07-11 01:08:52,068 INFO L280 TraceCheckUtils]: 1: Hoare triple {7475#true} #valid := #valid[0 := 0]; {7475#true} is VALID [2020-07-11 01:08:52,068 INFO L280 TraceCheckUtils]: 2: Hoare triple {7475#true} assume 0 < #StackHeapBarrier; {7475#true} is VALID [2020-07-11 01:08:52,068 INFO L280 TraceCheckUtils]: 3: Hoare triple {7475#true} assume true; {7475#true} is VALID [2020-07-11 01:08:52,068 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {7475#true} {7475#true} #260#return; {7475#true} is VALID [2020-07-11 01:08:52,070 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 [2020-07-11 01:08:52,070 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 [2020-07-11 01:08:52,070 INFO L280 TraceCheckUtils]: 2: Hoare triple {7475#true} #valid := #valid[0 := 0]; {7475#true} is VALID [2020-07-11 01:08:52,070 INFO L280 TraceCheckUtils]: 3: Hoare triple {7475#true} assume 0 < #StackHeapBarrier; {7475#true} is VALID [2020-07-11 01:08:52,071 INFO L280 TraceCheckUtils]: 4: Hoare triple {7475#true} assume true; {7475#true} is VALID [2020-07-11 01:08:52,071 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {7475#true} {7475#true} #260#return; {7475#true} is VALID [2020-07-11 01:08:52,071 INFO L263 TraceCheckUtils]: 6: Hoare triple {7475#true} call #t~ret21 := main(); {7475#true} is VALID [2020-07-11 01:08:52,076 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 [2020-07-11 01:08:52,076 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 [2020-07-11 01:08:52,076 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 [2020-07-11 01:08:52,076 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 [2020-07-11 01:08:52,077 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 [2020-07-11 01:08:52,078 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 [2020-07-11 01:08:52,079 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 [2020-07-11 01:08:52,080 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 [2020-07-11 01:08:52,080 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 [2020-07-11 01:08:52,081 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 [2020-07-11 01:08:52,082 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 [2020-07-11 01:08:52,084 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 [2020-07-11 01:08:52,085 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 [2020-07-11 01:08:52,086 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 [2020-07-11 01:08:52,087 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 [2020-07-11 01:08:52,089 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 [2020-07-11 01:08:52,090 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 [2020-07-11 01:08:52,092 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 [2020-07-11 01:08:52,093 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 [2020-07-11 01:08:52,094 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 [2020-07-11 01:08:52,094 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 [2020-07-11 01:08:52,095 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 [2020-07-11 01:08:52,096 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 [2020-07-11 01:08:52,096 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 [2020-07-11 01:08:52,097 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 [2020-07-11 01:08:52,098 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 [2020-07-11 01:08:52,099 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 [2020-07-11 01:08:52,100 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 [2020-07-11 01:08:52,101 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 [2020-07-11 01:08:52,101 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 [2020-07-11 01:08:52,102 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 [2020-07-11 01:08:52,103 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 [2020-07-11 01:08:52,104 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 [2020-07-11 01:08:52,104 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 [2020-07-11 01:08:52,105 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 [2020-07-11 01:08:52,105 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 [2020-07-11 01:08:52,106 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 [2020-07-11 01:08:52,106 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 [2020-07-11 01:08:52,107 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 [2020-07-11 01:08:52,107 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 [2020-07-11 01:08:52,108 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 [2020-07-11 01:08:52,109 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 [2020-07-11 01:08:52,109 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 [2020-07-11 01:08:52,110 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 [2020-07-11 01:08:52,111 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 [2020-07-11 01:08:52,111 INFO L280 TraceCheckUtils]: 52: Hoare triple {7495#(= ~unnamed1~0~BLACK |main_#t~mem12|)} assume !(~unnamed1~0~BLACK == #t~mem12); {7476#false} is VALID [2020-07-11 01:08:52,112 INFO L280 TraceCheckUtils]: 53: Hoare triple {7476#false} havoc #t~mem12; {7476#false} is VALID [2020-07-11 01:08:52,112 INFO L280 TraceCheckUtils]: 54: Hoare triple {7476#false} assume !false; {7476#false} is VALID [2020-07-11 01:08:52,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:08:52,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [957824275] [2020-07-11 01:08:52,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:08:52,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-07-11 01:08:52,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203963772] [2020-07-11 01:08:52,122 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 55 [2020-07-11 01:08:52,122 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:08:52,123 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states. [2020-07-11 01:08:52,207 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:52,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-11 01:08:52,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:08:52,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-11 01:08:52,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-07-11 01:08:52,209 INFO L87 Difference]: Start difference. First operand 167 states and 174 transitions. Second operand 17 states. [2020-07-11 01:08:57,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:57,124 INFO L93 Difference]: Finished difference Result 224 states and 233 transitions. [2020-07-11 01:08:57,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-11 01:08:57,125 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 55 [2020-07-11 01:08:57,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:08:57,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-11 01:08:57,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 183 transitions. [2020-07-11 01:08:57,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-11 01:08:57,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 183 transitions. [2020-07-11 01:08:57,132 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 183 transitions. [2020-07-11 01:08:57,448 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 183 edges. 183 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:57,453 INFO L225 Difference]: With dead ends: 224 [2020-07-11 01:08:57,453 INFO L226 Difference]: Without dead ends: 221 [2020-07-11 01:08:57,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=252, Invalid=740, Unknown=0, NotChecked=0, Total=992 [2020-07-11 01:08:57,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-11 01:08:58,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 177. [2020-07-11 01:08:58,725 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:08:58,725 INFO L82 GeneralOperation]: Start isEquivalent. First operand 221 states. Second operand 177 states. [2020-07-11 01:08:58,725 INFO L74 IsIncluded]: Start isIncluded. First operand 221 states. Second operand 177 states. [2020-07-11 01:08:58,726 INFO L87 Difference]: Start difference. First operand 221 states. Second operand 177 states. [2020-07-11 01:08:58,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:58,733 INFO L93 Difference]: Finished difference Result 221 states and 230 transitions. [2020-07-11 01:08:58,733 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 230 transitions. [2020-07-11 01:08:58,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:58,734 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:58,734 INFO L74 IsIncluded]: Start isIncluded. First operand 177 states. Second operand 221 states. [2020-07-11 01:08:58,735 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 221 states. [2020-07-11 01:08:58,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:08:58,741 INFO L93 Difference]: Finished difference Result 221 states and 230 transitions. [2020-07-11 01:08:58,742 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 230 transitions. [2020-07-11 01:08:58,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:08:58,742 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:08:58,743 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:08:58,743 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:08:58,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-07-11 01:08:58,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 185 transitions. [2020-07-11 01:08:58,747 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 185 transitions. Word has length 55 [2020-07-11 01:08:58,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:08:58,747 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 185 transitions. [2020-07-11 01:08:58,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-11 01:08:58,748 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 177 states and 185 transitions. [2020-07-11 01:08:59,235 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 185 edges. 185 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:08:59,235 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 185 transitions. [2020-07-11 01:08:59,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-11 01:08:59,236 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:08:59,237 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] [2020-07-11 01:08:59,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-11 01:08:59,237 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]=== [2020-07-11 01:08:59,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:08:59,238 INFO L82 PathProgramCache]: Analyzing trace with hash 754417445, now seen corresponding path program 1 times [2020-07-11 01:08:59,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:08:59,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598321474] [2020-07-11 01:08:59,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:08:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:09:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:09:00,467 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 [2020-07-11 01:09:00,467 INFO L280 TraceCheckUtils]: 1: Hoare triple {8773#true} #valid := #valid[0 := 0]; {8773#true} is VALID [2020-07-11 01:09:00,467 INFO L280 TraceCheckUtils]: 2: Hoare triple {8773#true} assume 0 < #StackHeapBarrier; {8773#true} is VALID [2020-07-11 01:09:00,467 INFO L280 TraceCheckUtils]: 3: Hoare triple {8773#true} assume true; {8773#true} is VALID [2020-07-11 01:09:00,468 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8773#true} {8773#true} #260#return; {8773#true} is VALID [2020-07-11 01:09:00,469 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 [2020-07-11 01:09:00,469 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 [2020-07-11 01:09:00,469 INFO L280 TraceCheckUtils]: 2: Hoare triple {8773#true} #valid := #valid[0 := 0]; {8773#true} is VALID [2020-07-11 01:09:00,469 INFO L280 TraceCheckUtils]: 3: Hoare triple {8773#true} assume 0 < #StackHeapBarrier; {8773#true} is VALID [2020-07-11 01:09:00,469 INFO L280 TraceCheckUtils]: 4: Hoare triple {8773#true} assume true; {8773#true} is VALID [2020-07-11 01:09:00,469 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8773#true} {8773#true} #260#return; {8773#true} is VALID [2020-07-11 01:09:00,470 INFO L263 TraceCheckUtils]: 6: Hoare triple {8773#true} call #t~ret21 := main(); {8773#true} is VALID [2020-07-11 01:09:00,471 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 [2020-07-11 01:09:00,471 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 [2020-07-11 01:09:00,471 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 [2020-07-11 01:09:00,471 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 [2020-07-11 01:09:00,471 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 [2020-07-11 01:09:00,472 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 [2020-07-11 01:09:00,473 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 [2020-07-11 01:09:00,474 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 [2020-07-11 01:09:00,474 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 [2020-07-11 01:09:00,475 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 [2020-07-11 01:09:00,476 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 [2020-07-11 01:09:00,478 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 [2020-07-11 01:09:00,479 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 [2020-07-11 01:09:00,480 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 [2020-07-11 01:09:00,481 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 [2020-07-11 01:09:00,482 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 [2020-07-11 01:09:00,484 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 [2020-07-11 01:09:00,485 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 [2020-07-11 01:09:00,486 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 [2020-07-11 01:09:00,487 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 [2020-07-11 01:09:00,487 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 [2020-07-11 01:09:00,488 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 [2020-07-11 01:09:00,489 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 [2020-07-11 01:09:00,490 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 [2020-07-11 01:09:00,491 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 [2020-07-11 01:09:00,492 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 [2020-07-11 01:09:00,493 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 [2020-07-11 01:09:00,494 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 [2020-07-11 01:09:00,495 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 [2020-07-11 01:09:00,496 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 [2020-07-11 01:09:00,497 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 [2020-07-11 01:09:00,498 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 [2020-07-11 01:09:00,498 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 [2020-07-11 01:09:00,499 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 [2020-07-11 01:09:00,500 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 [2020-07-11 01:09:00,501 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 [2020-07-11 01:09:00,502 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 [2020-07-11 01:09:00,503 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 [2020-07-11 01:09:00,503 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 [2020-07-11 01:09:00,504 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 [2020-07-11 01:09:00,505 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 [2020-07-11 01:09:00,506 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 [2020-07-11 01:09:00,506 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 [2020-07-11 01:09:00,507 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 [2020-07-11 01:09:00,507 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 [2020-07-11 01:09:00,508 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 [2020-07-11 01:09:00,508 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 [2020-07-11 01:09:00,509 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 [2020-07-11 01:09:00,509 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 [2020-07-11 01:09:00,510 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 [2020-07-11 01:09:00,510 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 [2020-07-11 01:09:00,511 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 [2020-07-11 01:09:00,511 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 [2020-07-11 01:09:00,512 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 [2020-07-11 01:09:00,512 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 [2020-07-11 01:09:00,512 INFO L280 TraceCheckUtils]: 62: Hoare triple {8799#(= ~unnamed1~0~BLACK |main_#t~mem12|)} assume !(~unnamed1~0~BLACK == #t~mem12); {8774#false} is VALID [2020-07-11 01:09:00,513 INFO L280 TraceCheckUtils]: 63: Hoare triple {8774#false} havoc #t~mem12; {8774#false} is VALID [2020-07-11 01:09:00,513 INFO L280 TraceCheckUtils]: 64: Hoare triple {8774#false} assume !false; {8774#false} is VALID [2020-07-11 01:09:00,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:09:00,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598321474] [2020-07-11 01:09:00,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:09:00,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-07-11 01:09:00,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140825043] [2020-07-11 01:09:00,533 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 65 [2020-07-11 01:09:00,533 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:09:00,533 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states. [2020-07-11 01:09:00,644 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:09:00,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-11 01:09:00,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:09:00,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-11 01:09:00,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=411, Unknown=0, NotChecked=0, Total=506 [2020-07-11 01:09:00,645 INFO L87 Difference]: Start difference. First operand 177 states and 185 transitions. Second operand 23 states. [2020-07-11 01:09:07,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:09:07,538 INFO L93 Difference]: Finished difference Result 254 states and 264 transitions. [2020-07-11 01:09:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-11 01:09:07,538 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 65 [2020-07-11 01:09:07,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:09:07,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-07-11 01:09:07,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 209 transitions. [2020-07-11 01:09:07,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-07-11 01:09:07,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 209 transitions. [2020-07-11 01:09:07,544 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 209 transitions. [2020-07-11 01:09:07,903 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 209 edges. 209 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:09:07,908 INFO L225 Difference]: With dead ends: 254 [2020-07-11 01:09:07,909 INFO L226 Difference]: Without dead ends: 251 [2020-07-11 01:09:07,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=436, Invalid=1544, Unknown=0, NotChecked=0, Total=1980 [2020-07-11 01:09:07,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-07-11 01:09:09,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 201. [2020-07-11 01:09:09,428 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:09:09,428 INFO L82 GeneralOperation]: Start isEquivalent. First operand 251 states. Second operand 201 states. [2020-07-11 01:09:09,429 INFO L74 IsIncluded]: Start isIncluded. First operand 251 states. Second operand 201 states. [2020-07-11 01:09:09,429 INFO L87 Difference]: Start difference. First operand 251 states. Second operand 201 states. [2020-07-11 01:09:09,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:09:09,435 INFO L93 Difference]: Finished difference Result 251 states and 261 transitions. [2020-07-11 01:09:09,435 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 261 transitions. [2020-07-11 01:09:09,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:09:09,436 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:09:09,437 INFO L74 IsIncluded]: Start isIncluded. First operand 201 states. Second operand 251 states. [2020-07-11 01:09:09,437 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 251 states. [2020-07-11 01:09:09,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:09:09,443 INFO L93 Difference]: Finished difference Result 251 states and 261 transitions. [2020-07-11 01:09:09,443 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 261 transitions. [2020-07-11 01:09:09,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:09:09,444 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:09:09,444 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:09:09,444 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:09:09,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-07-11 01:09:09,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 210 transitions. [2020-07-11 01:09:09,449 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 210 transitions. Word has length 65 [2020-07-11 01:09:09,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:09:09,449 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 210 transitions. [2020-07-11 01:09:09,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-11 01:09:09,450 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 201 states and 210 transitions. [2020-07-11 01:09:10,009 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 210 edges. 210 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:09:10,009 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 210 transitions. [2020-07-11 01:09:10,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-11 01:09:10,011 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:09:10,011 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] [2020-07-11 01:09:10,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-11 01:09:10,011 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]=== [2020-07-11 01:09:10,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:09:10,012 INFO L82 PathProgramCache]: Analyzing trace with hash -736103817, now seen corresponding path program 1 times [2020-07-11 01:09:10,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:09:10,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2062665718] [2020-07-11 01:09:10,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:09:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:09:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:09:10,263 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 [2020-07-11 01:09:10,264 INFO L280 TraceCheckUtils]: 1: Hoare triple {10259#true} #valid := #valid[0 := 0]; {10259#true} is VALID [2020-07-11 01:09:10,264 INFO L280 TraceCheckUtils]: 2: Hoare triple {10259#true} assume 0 < #StackHeapBarrier; {10259#true} is VALID [2020-07-11 01:09:10,264 INFO L280 TraceCheckUtils]: 3: Hoare triple {10259#true} assume true; {10259#true} is VALID [2020-07-11 01:09:10,264 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {10259#true} {10259#true} #260#return; {10259#true} is VALID [2020-07-11 01:09:10,265 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 [2020-07-11 01:09:10,265 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 [2020-07-11 01:09:10,266 INFO L280 TraceCheckUtils]: 2: Hoare triple {10259#true} #valid := #valid[0 := 0]; {10259#true} is VALID [2020-07-11 01:09:10,266 INFO L280 TraceCheckUtils]: 3: Hoare triple {10259#true} assume 0 < #StackHeapBarrier; {10259#true} is VALID [2020-07-11 01:09:10,266 INFO L280 TraceCheckUtils]: 4: Hoare triple {10259#true} assume true; {10259#true} is VALID [2020-07-11 01:09:10,266 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {10259#true} {10259#true} #260#return; {10259#true} is VALID [2020-07-11 01:09:10,266 INFO L263 TraceCheckUtils]: 6: Hoare triple {10259#true} call #t~ret21 := main(); {10259#true} is VALID [2020-07-11 01:09:10,267 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 [2020-07-11 01:09:10,268 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 [2020-07-11 01:09:10,269 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 [2020-07-11 01:09:10,269 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 [2020-07-11 01:09:10,270 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 [2020-07-11 01:09:10,271 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 [2020-07-11 01:09:10,271 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 [2020-07-11 01:09:10,272 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 [2020-07-11 01:09:10,272 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 [2020-07-11 01:09:10,273 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 [2020-07-11 01:09:10,273 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 [2020-07-11 01:09:10,274 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 [2020-07-11 01:09:10,275 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 [2020-07-11 01:09:10,275 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 [2020-07-11 01:09:10,276 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 [2020-07-11 01:09:10,277 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 [2020-07-11 01:09:10,277 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 [2020-07-11 01:09:10,278 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 [2020-07-11 01:09:10,278 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 [2020-07-11 01:09:10,279 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 [2020-07-11 01:09:10,279 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 [2020-07-11 01:09:10,280 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 [2020-07-11 01:09:10,281 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 [2020-07-11 01:09:10,281 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 [2020-07-11 01:09:10,282 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 [2020-07-11 01:09:10,282 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 [2020-07-11 01:09:10,283 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 [2020-07-11 01:09:10,283 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 [2020-07-11 01:09:10,284 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 [2020-07-11 01:09:10,284 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 [2020-07-11 01:09:10,285 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 [2020-07-11 01:09:10,285 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 [2020-07-11 01:09:10,286 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 [2020-07-11 01:09:10,287 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 [2020-07-11 01:09:10,287 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 [2020-07-11 01:09:10,288 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 [2020-07-11 01:09:10,288 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 [2020-07-11 01:09:10,289 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 [2020-07-11 01:09:10,289 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 [2020-07-11 01:09:10,290 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 [2020-07-11 01:09:10,291 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 [2020-07-11 01:09:10,292 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 [2020-07-11 01:09:10,293 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 [2020-07-11 01:09:10,295 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 [2020-07-11 01:09:10,295 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 [2020-07-11 01:09:10,296 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 [2020-07-11 01:09:10,297 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 [2020-07-11 01:09:10,298 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 [2020-07-11 01:09:10,298 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 [2020-07-11 01:09:10,299 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 [2020-07-11 01:09:10,299 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 [2020-07-11 01:09:10,300 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 [2020-07-11 01:09:10,300 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 [2020-07-11 01:09:10,301 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 [2020-07-11 01:09:10,301 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 [2020-07-11 01:09:10,302 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 [2020-07-11 01:09:10,302 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 [2020-07-11 01:09:10,303 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 [2020-07-11 01:09:10,304 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 [2020-07-11 01:09:10,304 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 [2020-07-11 01:09:10,305 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 [2020-07-11 01:09:10,305 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 [2020-07-11 01:09:10,305 INFO L280 TraceCheckUtils]: 69: Hoare triple {10260#false} assume !false; {10260#false} is VALID [2020-07-11 01:09:10,314 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-11 01:09:10,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2062665718] [2020-07-11 01:09:10,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:09:10,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-11 01:09:10,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405641480] [2020-07-11 01:09:10,315 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-07-11 01:09:10,316 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:09:10,316 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-11 01:09:10,396 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:09:10,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-11 01:09:10,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:09:10,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-11 01:09:10,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-11 01:09:10,398 INFO L87 Difference]: Start difference. First operand 201 states and 210 transitions. Second operand 10 states. [2020-07-11 01:09:13,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:09:13,377 INFO L93 Difference]: Finished difference Result 227 states and 237 transitions. [2020-07-11 01:09:13,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-11 01:09:13,378 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-07-11 01:09:13,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:09:13,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-11 01:09:13,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 124 transitions. [2020-07-11 01:09:13,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-11 01:09:13,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 124 transitions. [2020-07-11 01:09:13,381 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 124 transitions. [2020-07-11 01:09:13,558 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:09:13,563 INFO L225 Difference]: With dead ends: 227 [2020-07-11 01:09:13,563 INFO L226 Difference]: Without dead ends: 225 [2020-07-11 01:09:13,564 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 [2020-07-11 01:09:13,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-07-11 01:09:15,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 201. [2020-07-11 01:09:15,170 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:09:15,170 INFO L82 GeneralOperation]: Start isEquivalent. First operand 225 states. Second operand 201 states. [2020-07-11 01:09:15,171 INFO L74 IsIncluded]: Start isIncluded. First operand 225 states. Second operand 201 states. [2020-07-11 01:09:15,171 INFO L87 Difference]: Start difference. First operand 225 states. Second operand 201 states. [2020-07-11 01:09:15,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:09:15,177 INFO L93 Difference]: Finished difference Result 225 states and 234 transitions. [2020-07-11 01:09:15,177 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 234 transitions. [2020-07-11 01:09:15,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:09:15,178 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:09:15,178 INFO L74 IsIncluded]: Start isIncluded. First operand 201 states. Second operand 225 states. [2020-07-11 01:09:15,178 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 225 states. [2020-07-11 01:09:15,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:09:15,184 INFO L93 Difference]: Finished difference Result 225 states and 234 transitions. [2020-07-11 01:09:15,184 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 234 transitions. [2020-07-11 01:09:15,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:09:15,185 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:09:15,185 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:09:15,185 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:09:15,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-07-11 01:09:15,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 209 transitions. [2020-07-11 01:09:15,190 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 209 transitions. Word has length 70 [2020-07-11 01:09:15,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:09:15,190 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 209 transitions. [2020-07-11 01:09:15,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-11 01:09:15,191 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 201 states and 209 transitions. [2020-07-11 01:09:15,789 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 209 edges. 209 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:09:15,789 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 209 transitions. [2020-07-11 01:09:15,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-11 01:09:15,790 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:09:15,791 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] [2020-07-11 01:09:15,791 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-11 01:09:15,791 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]=== [2020-07-11 01:09:15,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:09:15,791 INFO L82 PathProgramCache]: Analyzing trace with hash 715756074, now seen corresponding path program 1 times [2020-07-11 01:09:15,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:09:15,792 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [155170155] [2020-07-11 01:09:15,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:09:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:09:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:09:16,632 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 [2020-07-11 01:09:16,633 INFO L280 TraceCheckUtils]: 1: Hoare triple {11602#true} #valid := #valid[0 := 0]; {11602#true} is VALID [2020-07-11 01:09:16,633 INFO L280 TraceCheckUtils]: 2: Hoare triple {11602#true} assume 0 < #StackHeapBarrier; {11602#true} is VALID [2020-07-11 01:09:16,633 INFO L280 TraceCheckUtils]: 3: Hoare triple {11602#true} assume true; {11602#true} is VALID [2020-07-11 01:09:16,633 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {11602#true} {11602#true} #260#return; {11602#true} is VALID [2020-07-11 01:09:16,634 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 [2020-07-11 01:09:16,634 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 [2020-07-11 01:09:16,634 INFO L280 TraceCheckUtils]: 2: Hoare triple {11602#true} #valid := #valid[0 := 0]; {11602#true} is VALID [2020-07-11 01:09:16,634 INFO L280 TraceCheckUtils]: 3: Hoare triple {11602#true} assume 0 < #StackHeapBarrier; {11602#true} is VALID [2020-07-11 01:09:16,634 INFO L280 TraceCheckUtils]: 4: Hoare triple {11602#true} assume true; {11602#true} is VALID [2020-07-11 01:09:16,634 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {11602#true} {11602#true} #260#return; {11602#true} is VALID [2020-07-11 01:09:16,635 INFO L263 TraceCheckUtils]: 6: Hoare triple {11602#true} call #t~ret21 := main(); {11602#true} is VALID [2020-07-11 01:09:16,635 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 [2020-07-11 01:09:16,636 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 [2020-07-11 01:09:16,636 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 [2020-07-11 01:09:16,636 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 [2020-07-11 01:09:16,637 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 [2020-07-11 01:09:16,638 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 [2020-07-11 01:09:16,639 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 [2020-07-11 01:09:16,639 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 [2020-07-11 01:09:16,640 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 [2020-07-11 01:09:16,641 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 [2020-07-11 01:09:16,642 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 [2020-07-11 01:09:16,643 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 [2020-07-11 01:09:16,644 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 [2020-07-11 01:09:16,645 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 [2020-07-11 01:09:16,645 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 [2020-07-11 01:09:16,646 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 [2020-07-11 01:09:16,647 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 [2020-07-11 01:09:16,649 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 [2020-07-11 01:09:16,650 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 [2020-07-11 01:09:16,652 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 [2020-07-11 01:09:16,658 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 [2020-07-11 01:09:16,659 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 [2020-07-11 01:09:16,660 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 [2020-07-11 01:09:16,661 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 [2020-07-11 01:09:16,661 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 [2020-07-11 01:09:16,662 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 [2020-07-11 01:09:16,663 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 [2020-07-11 01:09:16,664 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 [2020-07-11 01:09:16,664 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 [2020-07-11 01:09:16,665 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 [2020-07-11 01:09:16,665 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 [2020-07-11 01:09:16,666 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 [2020-07-11 01:09:16,666 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 [2020-07-11 01:09:16,667 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 [2020-07-11 01:09:16,667 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 [2020-07-11 01:09:16,668 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 [2020-07-11 01:09:16,669 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 [2020-07-11 01:09:16,670 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 [2020-07-11 01:09:16,671 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 [2020-07-11 01:09:16,672 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 [2020-07-11 01:09:16,672 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 [2020-07-11 01:09:16,673 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 [2020-07-11 01:09:16,674 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 [2020-07-11 01:09:16,675 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 [2020-07-11 01:09:16,676 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 [2020-07-11 01:09:16,677 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 [2020-07-11 01:09:16,677 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 [2020-07-11 01:09:16,678 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 [2020-07-11 01:09:16,678 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 [2020-07-11 01:09:16,679 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 [2020-07-11 01:09:16,680 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 [2020-07-11 01:09:16,680 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 [2020-07-11 01:09:16,681 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 [2020-07-11 01:09:16,681 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 [2020-07-11 01:09:16,682 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 [2020-07-11 01:09:16,682 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 [2020-07-11 01:09:16,683 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 [2020-07-11 01:09:16,683 INFO L280 TraceCheckUtils]: 64: Hoare triple {11630#(not (= |main_#t~mem13| ~unnamed1~0~RED))} assume ~unnamed1~0~RED == #t~mem13; {11603#false} is VALID [2020-07-11 01:09:16,684 INFO L280 TraceCheckUtils]: 65: Hoare triple {11603#false} havoc #t~mem13; {11603#false} is VALID [2020-07-11 01:09:16,684 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 [2020-07-11 01:09:16,684 INFO L280 TraceCheckUtils]: 67: Hoare triple {11603#false} ~end~0.base, ~end~0.offset := #t~mem14.base, #t~mem14.offset; {11603#false} is VALID [2020-07-11 01:09:16,684 INFO L280 TraceCheckUtils]: 68: Hoare triple {11603#false} havoc #t~mem14.base, #t~mem14.offset; {11603#false} is VALID [2020-07-11 01:09:16,685 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 [2020-07-11 01:09:16,685 INFO L280 TraceCheckUtils]: 70: Hoare triple {11603#false} assume !false; {11603#false} is VALID [2020-07-11 01:09:16,707 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:09:16,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [155170155] [2020-07-11 01:09:16,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:09:16,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-07-11 01:09:16,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683637824] [2020-07-11 01:09:16,708 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 71 [2020-07-11 01:09:16,709 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:09:16,709 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states. [2020-07-11 01:09:16,818 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:09:16,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-11 01:09:16,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:09:16,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-11 01:09:16,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=537, Unknown=0, NotChecked=0, Total=600 [2020-07-11 01:09:16,819 INFO L87 Difference]: Start difference. First operand 201 states and 209 transitions. Second operand 25 states. [2020-07-11 01:09:25,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:09:25,953 INFO L93 Difference]: Finished difference Result 278 states and 289 transitions. [2020-07-11 01:09:25,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-11 01:09:25,954 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 71 [2020-07-11 01:09:25,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:09:25,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-07-11 01:09:25,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 217 transitions. [2020-07-11 01:09:25,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-07-11 01:09:25,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 217 transitions. [2020-07-11 01:09:25,962 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 30 states and 217 transitions. [2020-07-11 01:09:26,322 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 217 edges. 217 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:09:26,329 INFO L225 Difference]: With dead ends: 278 [2020-07-11 01:09:26,330 INFO L226 Difference]: Without dead ends: 256 [2020-07-11 01:09:26,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=439, Invalid=2111, Unknown=0, NotChecked=0, Total=2550 [2020-07-11 01:09:26,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-07-11 01:09:28,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 217. [2020-07-11 01:09:28,322 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:09:28,322 INFO L82 GeneralOperation]: Start isEquivalent. First operand 256 states. Second operand 217 states. [2020-07-11 01:09:28,322 INFO L74 IsIncluded]: Start isIncluded. First operand 256 states. Second operand 217 states. [2020-07-11 01:09:28,322 INFO L87 Difference]: Start difference. First operand 256 states. Second operand 217 states. [2020-07-11 01:09:28,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:09:28,330 INFO L93 Difference]: Finished difference Result 256 states and 265 transitions. [2020-07-11 01:09:28,330 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 265 transitions. [2020-07-11 01:09:28,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:09:28,331 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:09:28,331 INFO L74 IsIncluded]: Start isIncluded. First operand 217 states. Second operand 256 states. [2020-07-11 01:09:28,331 INFO L87 Difference]: Start difference. First operand 217 states. Second operand 256 states. [2020-07-11 01:09:28,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:09:28,337 INFO L93 Difference]: Finished difference Result 256 states and 265 transitions. [2020-07-11 01:09:28,337 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 265 transitions. [2020-07-11 01:09:28,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:09:28,338 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:09:28,338 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:09:28,338 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:09:28,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-07-11 01:09:28,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 225 transitions. [2020-07-11 01:09:28,343 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 225 transitions. Word has length 71 [2020-07-11 01:09:28,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:09:28,343 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 225 transitions. [2020-07-11 01:09:28,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-11 01:09:28,343 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 217 states and 225 transitions. [2020-07-11 01:09:29,036 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 225 edges. 225 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:09:29,036 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 225 transitions. [2020-07-11 01:09:29,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-11 01:09:29,037 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:09:29,038 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] [2020-07-11 01:09:29,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-11 01:09:29,038 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]=== [2020-07-11 01:09:29,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:09:29,041 INFO L82 PathProgramCache]: Analyzing trace with hash 181469332, now seen corresponding path program 2 times [2020-07-11 01:09:29,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:09:29,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [236440628] [2020-07-11 01:09:29,042 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:09:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:09:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:09:29,558 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 [2020-07-11 01:09:29,558 INFO L280 TraceCheckUtils]: 1: Hoare triple {13188#true} #valid := #valid[0 := 0]; {13188#true} is VALID [2020-07-11 01:09:29,558 INFO L280 TraceCheckUtils]: 2: Hoare triple {13188#true} assume 0 < #StackHeapBarrier; {13188#true} is VALID [2020-07-11 01:09:29,558 INFO L280 TraceCheckUtils]: 3: Hoare triple {13188#true} assume true; {13188#true} is VALID [2020-07-11 01:09:29,559 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {13188#true} {13188#true} #260#return; {13188#true} is VALID [2020-07-11 01:09:29,560 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 [2020-07-11 01:09:29,560 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 [2020-07-11 01:09:29,560 INFO L280 TraceCheckUtils]: 2: Hoare triple {13188#true} #valid := #valid[0 := 0]; {13188#true} is VALID [2020-07-11 01:09:29,561 INFO L280 TraceCheckUtils]: 3: Hoare triple {13188#true} assume 0 < #StackHeapBarrier; {13188#true} is VALID [2020-07-11 01:09:29,561 INFO L280 TraceCheckUtils]: 4: Hoare triple {13188#true} assume true; {13188#true} is VALID [2020-07-11 01:09:29,561 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {13188#true} {13188#true} #260#return; {13188#true} is VALID [2020-07-11 01:09:29,561 INFO L263 TraceCheckUtils]: 6: Hoare triple {13188#true} call #t~ret21 := main(); {13188#true} is VALID [2020-07-11 01:09:29,561 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 [2020-07-11 01:09:29,561 INFO L280 TraceCheckUtils]: 8: Hoare triple {13188#true} ~null~0.base, ~null~0.offset := #t~malloc0.base, #t~malloc0.offset; {13188#true} is VALID [2020-07-11 01:09:29,561 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 [2020-07-11 01:09:29,561 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 [2020-07-11 01:09:29,562 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 [2020-07-11 01:09:29,562 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 [2020-07-11 01:09:29,563 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 [2020-07-11 01:09:29,563 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 [2020-07-11 01:09:29,564 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 [2020-07-11 01:09:29,564 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 [2020-07-11 01:09:29,565 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 [2020-07-11 01:09:29,565 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 [2020-07-11 01:09:29,566 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 [2020-07-11 01:09:29,567 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 [2020-07-11 01:09:29,568 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 [2020-07-11 01:09:29,569 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 [2020-07-11 01:09:29,569 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 [2020-07-11 01:09:29,570 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 [2020-07-11 01:09:29,571 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 [2020-07-11 01:09:29,571 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 [2020-07-11 01:09:29,572 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 [2020-07-11 01:09:29,572 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 [2020-07-11 01:09:29,573 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 [2020-07-11 01:09:29,575 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 [2020-07-11 01:09:29,575 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 [2020-07-11 01:09:29,576 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 [2020-07-11 01:09:29,577 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 [2020-07-11 01:09:29,577 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 [2020-07-11 01:09:29,578 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 [2020-07-11 01:09:29,578 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 [2020-07-11 01:09:29,579 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 [2020-07-11 01:09:29,579 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 [2020-07-11 01:09:29,580 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 [2020-07-11 01:09:29,581 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 [2020-07-11 01:09:29,581 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 [2020-07-11 01:09:29,582 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 [2020-07-11 01:09:29,582 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 [2020-07-11 01:09:29,583 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 [2020-07-11 01:09:29,584 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 [2020-07-11 01:09:29,585 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 [2020-07-11 01:09:29,585 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 [2020-07-11 01:09:29,586 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 [2020-07-11 01:09:29,587 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 [2020-07-11 01:09:29,588 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 [2020-07-11 01:09:29,589 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 [2020-07-11 01:09:29,590 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 [2020-07-11 01:09:29,590 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 [2020-07-11 01:09:29,591 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 [2020-07-11 01:09:29,592 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 [2020-07-11 01:09:29,593 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 [2020-07-11 01:09:29,593 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 [2020-07-11 01:09:29,594 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 [2020-07-11 01:09:29,594 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 [2020-07-11 01:09:29,595 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 [2020-07-11 01:09:29,596 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 [2020-07-11 01:09:29,596 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 [2020-07-11 01:09:29,597 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 [2020-07-11 01:09:29,597 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 [2020-07-11 01:09:29,598 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 [2020-07-11 01:09:29,598 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 [2020-07-11 01:09:29,599 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 [2020-07-11 01:09:29,599 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 [2020-07-11 01:09:29,600 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 [2020-07-11 01:09:29,600 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 [2020-07-11 01:09:29,600 INFO L280 TraceCheckUtils]: 71: Hoare triple {13189#false} assume ~unnamed1~0~RED == #t~mem13; {13189#false} is VALID [2020-07-11 01:09:29,600 INFO L280 TraceCheckUtils]: 72: Hoare triple {13189#false} havoc #t~mem13; {13189#false} is VALID [2020-07-11 01:09:29,600 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 [2020-07-11 01:09:29,600 INFO L280 TraceCheckUtils]: 74: Hoare triple {13189#false} ~end~0.base, ~end~0.offset := #t~mem14.base, #t~mem14.offset; {13189#false} is VALID [2020-07-11 01:09:29,600 INFO L280 TraceCheckUtils]: 75: Hoare triple {13189#false} havoc #t~mem14.base, #t~mem14.offset; {13189#false} is VALID [2020-07-11 01:09:29,600 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 [2020-07-11 01:09:29,601 INFO L280 TraceCheckUtils]: 77: Hoare triple {13189#false} assume !false; {13189#false} is VALID [2020-07-11 01:09:29,618 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:09:29,618 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [236440628] [2020-07-11 01:09:29,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:09:29,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-07-11 01:09:29,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855435855] [2020-07-11 01:09:29,619 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 78 [2020-07-11 01:09:29,619 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:09:29,619 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states. [2020-07-11 01:09:29,729 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:09:29,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-11 01:09:29,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:09:29,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-11 01:09:29,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2020-07-11 01:09:29,731 INFO L87 Difference]: Start difference. First operand 217 states and 225 transitions. Second operand 19 states. [2020-07-11 01:09:36,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:09:36,199 INFO L93 Difference]: Finished difference Result 258 states and 267 transitions. [2020-07-11 01:09:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-11 01:09:36,199 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 78 [2020-07-11 01:09:36,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:09:36,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-11 01:09:36,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 195 transitions. [2020-07-11 01:09:36,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-11 01:09:36,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 195 transitions. [2020-07-11 01:09:36,204 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 24 states and 195 transitions. [2020-07-11 01:09:36,497 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 195 edges. 195 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:09:36,502 INFO L225 Difference]: With dead ends: 258 [2020-07-11 01:09:36,503 INFO L226 Difference]: Without dead ends: 212 [2020-07-11 01:09:36,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=220, Invalid=1262, Unknown=0, NotChecked=0, Total=1482 [2020-07-11 01:09:36,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-07-11 01:09:38,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 201. [2020-07-11 01:09:38,331 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:09:38,331 INFO L82 GeneralOperation]: Start isEquivalent. First operand 212 states. Second operand 201 states. [2020-07-11 01:09:38,331 INFO L74 IsIncluded]: Start isIncluded. First operand 212 states. Second operand 201 states. [2020-07-11 01:09:38,331 INFO L87 Difference]: Start difference. First operand 212 states. Second operand 201 states. [2020-07-11 01:09:38,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:09:38,335 INFO L93 Difference]: Finished difference Result 212 states and 219 transitions. [2020-07-11 01:09:38,336 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 219 transitions. [2020-07-11 01:09:38,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:09:38,336 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:09:38,336 INFO L74 IsIncluded]: Start isIncluded. First operand 201 states. Second operand 212 states. [2020-07-11 01:09:38,336 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 212 states. [2020-07-11 01:09:38,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:09:38,341 INFO L93 Difference]: Finished difference Result 212 states and 219 transitions. [2020-07-11 01:09:38,341 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 219 transitions. [2020-07-11 01:09:38,342 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:09:38,342 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:09:38,342 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:09:38,342 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:09:38,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-07-11 01:09:38,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 208 transitions. [2020-07-11 01:09:38,346 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 208 transitions. Word has length 78 [2020-07-11 01:09:38,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:09:38,346 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 208 transitions. [2020-07-11 01:09:38,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-11 01:09:38,346 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 201 states and 208 transitions. [2020-07-11 01:09:38,990 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 208 edges. 208 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:09:38,991 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 208 transitions. [2020-07-11 01:09:38,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-11 01:09:38,992 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:09:38,992 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] [2020-07-11 01:09:38,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-11 01:09:38,992 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]=== [2020-07-11 01:09:38,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:09:38,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1069144387, now seen corresponding path program 2 times [2020-07-11 01:09:38,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:09:38,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [217160999] [2020-07-11 01:09:38,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:09:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:09:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:09:40,343 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 [2020-07-11 01:09:40,344 INFO L280 TraceCheckUtils]: 1: Hoare triple {14596#true} #valid := #valid[0 := 0]; {14596#true} is VALID [2020-07-11 01:09:40,344 INFO L280 TraceCheckUtils]: 2: Hoare triple {14596#true} assume 0 < #StackHeapBarrier; {14596#true} is VALID [2020-07-11 01:09:40,344 INFO L280 TraceCheckUtils]: 3: Hoare triple {14596#true} assume true; {14596#true} is VALID [2020-07-11 01:09:40,344 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {14596#true} {14596#true} #260#return; {14596#true} is VALID [2020-07-11 01:09:40,345 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 [2020-07-11 01:09:40,345 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 [2020-07-11 01:09:40,345 INFO L280 TraceCheckUtils]: 2: Hoare triple {14596#true} #valid := #valid[0 := 0]; {14596#true} is VALID [2020-07-11 01:09:40,346 INFO L280 TraceCheckUtils]: 3: Hoare triple {14596#true} assume 0 < #StackHeapBarrier; {14596#true} is VALID [2020-07-11 01:09:40,346 INFO L280 TraceCheckUtils]: 4: Hoare triple {14596#true} assume true; {14596#true} is VALID [2020-07-11 01:09:40,346 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {14596#true} {14596#true} #260#return; {14596#true} is VALID [2020-07-11 01:09:40,346 INFO L263 TraceCheckUtils]: 6: Hoare triple {14596#true} call #t~ret21 := main(); {14596#true} is VALID [2020-07-11 01:09:40,347 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 [2020-07-11 01:09:40,347 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 [2020-07-11 01:09:40,347 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 [2020-07-11 01:09:40,347 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 [2020-07-11 01:09:40,348 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 [2020-07-11 01:09:40,349 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 [2020-07-11 01:09:40,349 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 [2020-07-11 01:09:40,350 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 [2020-07-11 01:09:40,350 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 [2020-07-11 01:09:40,352 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 [2020-07-11 01:09:40,352 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 [2020-07-11 01:09:40,353 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 [2020-07-11 01:09:40,354 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 [2020-07-11 01:09:40,355 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 [2020-07-11 01:09:40,356 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 [2020-07-11 01:09:40,358 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 [2020-07-11 01:09:40,359 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 [2020-07-11 01:09:40,368 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 [2020-07-11 01:09:40,369 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 [2020-07-11 01:09:40,370 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 [2020-07-11 01:09:40,371 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 [2020-07-11 01:09:40,372 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 [2020-07-11 01:09:40,373 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 [2020-07-11 01:09:40,374 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 [2020-07-11 01:09:40,375 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 [2020-07-11 01:09:40,376 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 [2020-07-11 01:09:40,377 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 [2020-07-11 01:09:40,378 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 [2020-07-11 01:09:40,379 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 [2020-07-11 01:09:40,379 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 [2020-07-11 01:09:40,380 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 [2020-07-11 01:09:40,381 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 [2020-07-11 01:09:40,382 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 [2020-07-11 01:09:40,382 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 [2020-07-11 01:09:40,383 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 [2020-07-11 01:09:40,384 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 [2020-07-11 01:09:40,385 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 [2020-07-11 01:09:40,386 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 [2020-07-11 01:09:40,386 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 [2020-07-11 01:09:40,387 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 [2020-07-11 01:09:40,388 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 [2020-07-11 01:09:40,391 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 [2020-07-11 01:09:40,393 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 [2020-07-11 01:09:40,394 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 [2020-07-11 01:09:40,395 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 [2020-07-11 01:09:40,395 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 [2020-07-11 01:09:40,396 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 [2020-07-11 01:09:40,397 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 [2020-07-11 01:09:40,398 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 [2020-07-11 01:09:40,399 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 [2020-07-11 01:09:40,399 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 [2020-07-11 01:09:40,400 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 [2020-07-11 01:09:40,401 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 [2020-07-11 01:09:40,401 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 [2020-07-11 01:09:40,402 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 [2020-07-11 01:09:40,402 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 [2020-07-11 01:09:40,403 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 [2020-07-11 01:09:40,403 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 [2020-07-11 01:09:40,404 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 [2020-07-11 01:09:40,404 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 [2020-07-11 01:09:40,405 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 [2020-07-11 01:09:40,405 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 [2020-07-11 01:09:40,406 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 [2020-07-11 01:09:40,407 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 [2020-07-11 01:09:40,407 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 [2020-07-11 01:09:40,408 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 [2020-07-11 01:09:40,408 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 [2020-07-11 01:09:40,409 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 [2020-07-11 01:09:40,409 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 [2020-07-11 01:09:40,410 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 [2020-07-11 01:09:40,411 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 [2020-07-11 01:09:40,411 INFO L280 TraceCheckUtils]: 78: Hoare triple {14622#(= ~unnamed1~0~BLACK |main_#t~mem12|)} assume !(~unnamed1~0~BLACK == #t~mem12); {14597#false} is VALID [2020-07-11 01:09:40,411 INFO L280 TraceCheckUtils]: 79: Hoare triple {14597#false} havoc #t~mem12; {14597#false} is VALID [2020-07-11 01:09:40,412 INFO L280 TraceCheckUtils]: 80: Hoare triple {14597#false} assume !false; {14597#false} is VALID [2020-07-11 01:09:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:09:40,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [217160999] [2020-07-11 01:09:40,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:09:40,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-07-11 01:09:40,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714120124] [2020-07-11 01:09:40,443 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 81 [2020-07-11 01:09:40,443 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:09:40,444 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states. [2020-07-11 01:09:40,560 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:09:40,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-11 01:09:40,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:09:40,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-11 01:09:40,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2020-07-11 01:09:40,561 INFO L87 Difference]: Start difference. First operand 201 states and 208 transitions. Second operand 23 states. [2020-07-11 01:09:48,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:09:48,512 INFO L93 Difference]: Finished difference Result 281 states and 291 transitions. [2020-07-11 01:09:48,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-11 01:09:48,512 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 81 [2020-07-11 01:09:48,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:09:48,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-07-11 01:09:48,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 216 transitions. [2020-07-11 01:09:48,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-07-11 01:09:48,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 216 transitions. [2020-07-11 01:09:48,516 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 216 transitions. [2020-07-11 01:09:48,894 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 216 edges. 216 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:09:48,900 INFO L225 Difference]: With dead ends: 281 [2020-07-11 01:09:48,900 INFO L226 Difference]: Without dead ends: 278 [2020-07-11 01:09:48,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=458, Invalid=1522, Unknown=0, NotChecked=0, Total=1980 [2020-07-11 01:09:48,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-07-11 01:09:51,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 227. [2020-07-11 01:09:51,171 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:09:51,171 INFO L82 GeneralOperation]: Start isEquivalent. First operand 278 states. Second operand 227 states. [2020-07-11 01:09:51,171 INFO L74 IsIncluded]: Start isIncluded. First operand 278 states. Second operand 227 states. [2020-07-11 01:09:51,172 INFO L87 Difference]: Start difference. First operand 278 states. Second operand 227 states. [2020-07-11 01:09:51,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:09:51,181 INFO L93 Difference]: Finished difference Result 278 states and 288 transitions. [2020-07-11 01:09:51,181 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 288 transitions. [2020-07-11 01:09:51,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:09:51,182 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:09:51,182 INFO L74 IsIncluded]: Start isIncluded. First operand 227 states. Second operand 278 states. [2020-07-11 01:09:51,182 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 278 states. [2020-07-11 01:09:51,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:09:51,188 INFO L93 Difference]: Finished difference Result 278 states and 288 transitions. [2020-07-11 01:09:51,188 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 288 transitions. [2020-07-11 01:09:51,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:09:51,189 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:09:51,189 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:09:51,189 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:09:51,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-07-11 01:09:51,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 236 transitions. [2020-07-11 01:09:51,196 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 236 transitions. Word has length 81 [2020-07-11 01:09:51,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:09:51,196 INFO L479 AbstractCegarLoop]: Abstraction has 227 states and 236 transitions. [2020-07-11 01:09:51,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-11 01:09:51,196 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 227 states and 236 transitions. [2020-07-11 01:09:51,937 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 236 edges. 236 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:09:51,937 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 236 transitions. [2020-07-11 01:09:51,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-11 01:09:51,939 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:09:51,939 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] [2020-07-11 01:09:51,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-11 01:09:51,942 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]=== [2020-07-11 01:09:51,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:09:51,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1841803199, now seen corresponding path program 1 times [2020-07-11 01:09:51,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:09:51,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1646909814] [2020-07-11 01:09:51,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:09:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:09:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:09:53,449 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 [2020-07-11 01:09:53,450 INFO L280 TraceCheckUtils]: 1: Hoare triple {16242#true} #valid := #valid[0 := 0]; {16242#true} is VALID [2020-07-11 01:09:53,450 INFO L280 TraceCheckUtils]: 2: Hoare triple {16242#true} assume 0 < #StackHeapBarrier; {16242#true} is VALID [2020-07-11 01:09:53,450 INFO L280 TraceCheckUtils]: 3: Hoare triple {16242#true} assume true; {16242#true} is VALID [2020-07-11 01:09:53,450 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {16242#true} {16242#true} #260#return; {16242#true} is VALID [2020-07-11 01:09:53,451 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 [2020-07-11 01:09:53,452 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 [2020-07-11 01:09:53,452 INFO L280 TraceCheckUtils]: 2: Hoare triple {16242#true} #valid := #valid[0 := 0]; {16242#true} is VALID [2020-07-11 01:09:53,452 INFO L280 TraceCheckUtils]: 3: Hoare triple {16242#true} assume 0 < #StackHeapBarrier; {16242#true} is VALID [2020-07-11 01:09:53,452 INFO L280 TraceCheckUtils]: 4: Hoare triple {16242#true} assume true; {16242#true} is VALID [2020-07-11 01:09:53,452 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {16242#true} {16242#true} #260#return; {16242#true} is VALID [2020-07-11 01:09:53,453 INFO L263 TraceCheckUtils]: 6: Hoare triple {16242#true} call #t~ret21 := main(); {16242#true} is VALID [2020-07-11 01:09:53,453 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 [2020-07-11 01:09:53,454 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 [2020-07-11 01:09:53,454 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 [2020-07-11 01:09:53,455 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 [2020-07-11 01:09:53,455 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 [2020-07-11 01:09:53,456 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 [2020-07-11 01:09:53,457 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 [2020-07-11 01:09:53,458 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 [2020-07-11 01:09:53,459 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 [2020-07-11 01:09:53,460 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 [2020-07-11 01:09:53,461 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 [2020-07-11 01:09:53,462 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 [2020-07-11 01:09:53,462 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 [2020-07-11 01:09:53,463 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 [2020-07-11 01:09:53,468 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 [2020-07-11 01:09:53,470 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 [2020-07-11 01:09:53,471 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 [2020-07-11 01:09:53,473 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 [2020-07-11 01:09:53,474 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 [2020-07-11 01:09:53,475 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 [2020-07-11 01:09:53,476 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 [2020-07-11 01:09:53,477 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 [2020-07-11 01:09:53,479 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 [2020-07-11 01:09:53,480 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 [2020-07-11 01:09:53,481 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 [2020-07-11 01:09:53,482 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 [2020-07-11 01:09:53,484 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 [2020-07-11 01:09:53,486 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 [2020-07-11 01:09:53,487 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 [2020-07-11 01:09:53,488 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 [2020-07-11 01:09:53,490 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 [2020-07-11 01:09:53,491 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 [2020-07-11 01:09:53,493 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 [2020-07-11 01:09:53,494 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 [2020-07-11 01:09:53,495 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 [2020-07-11 01:09:53,497 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 [2020-07-11 01:09:53,499 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 [2020-07-11 01:09:53,501 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 [2020-07-11 01:09:53,502 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 [2020-07-11 01:09:53,503 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 [2020-07-11 01:09:53,504 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 [2020-07-11 01:09:53,505 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 [2020-07-11 01:09:53,506 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 [2020-07-11 01:09:53,507 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 [2020-07-11 01:09:53,508 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 [2020-07-11 01:09:53,509 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 [2020-07-11 01:09:53,513 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 [2020-07-11 01:09:53,513 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 [2020-07-11 01:09:53,514 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 [2020-07-11 01:09:53,514 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 [2020-07-11 01:09:53,515 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 [2020-07-11 01:09:53,516 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 [2020-07-11 01:09:53,516 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 [2020-07-11 01:09:53,517 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 [2020-07-11 01:09:53,518 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 [2020-07-11 01:09:53,518 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 [2020-07-11 01:09:53,519 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 [2020-07-11 01:09:53,519 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 [2020-07-11 01:09:53,520 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 [2020-07-11 01:09:53,521 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 [2020-07-11 01:09:53,521 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 [2020-07-11 01:09:53,522 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 [2020-07-11 01:09:53,523 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 [2020-07-11 01:09:53,524 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 [2020-07-11 01:09:53,524 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 [2020-07-11 01:09:53,525 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 [2020-07-11 01:09:53,526 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 [2020-07-11 01:09:53,526 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 [2020-07-11 01:09:53,527 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 [2020-07-11 01:09:53,527 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 [2020-07-11 01:09:53,528 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 [2020-07-11 01:09:53,528 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 [2020-07-11 01:09:53,529 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 [2020-07-11 01:09:53,529 INFO L280 TraceCheckUtils]: 80: Hoare triple {16243#false} assume !false; {16243#false} is VALID [2020-07-11 01:09:53,586 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:09:53,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1646909814] [2020-07-11 01:09:53,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-11 01:09:53,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-07-11 01:09:53,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397335340] [2020-07-11 01:09:53,587 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 81 [2020-07-11 01:09:53,588 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:09:53,588 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states. [2020-07-11 01:09:53,716 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:09:53,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-07-11 01:09:53,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:09:53,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-07-11 01:09:53,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2020-07-11 01:09:53,717 INFO L87 Difference]: Start difference. First operand 227 states and 236 transitions. Second operand 29 states. [2020-07-11 01:09:57,524 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2020-07-11 01:09:58,111 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 54 [2020-07-11 01:09:58,431 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-07-11 01:09:59,010 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2020-07-11 01:10:00,356 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2020-07-11 01:10:07,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:07,984 INFO L93 Difference]: Finished difference Result 299 states and 310 transitions. [2020-07-11 01:10:07,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-11 01:10:07,984 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 81 [2020-07-11 01:10:07,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:10:07,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-11 01:10:07,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 234 transitions. [2020-07-11 01:10:07,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-11 01:10:07,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 234 transitions. [2020-07-11 01:10:07,988 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 41 states and 234 transitions. [2020-07-11 01:10:08,479 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 234 edges. 234 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:08,485 INFO L225 Difference]: With dead ends: 299 [2020-07-11 01:10:08,485 INFO L226 Difference]: Without dead ends: 297 [2020-07-11 01:10:08,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 868 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=610, Invalid=3680, Unknown=0, NotChecked=0, Total=4290 [2020-07-11 01:10:08,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-07-11 01:10:11,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 251. [2020-07-11 01:10:11,133 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:10:11,133 INFO L82 GeneralOperation]: Start isEquivalent. First operand 297 states. Second operand 251 states. [2020-07-11 01:10:11,134 INFO L74 IsIncluded]: Start isIncluded. First operand 297 states. Second operand 251 states. [2020-07-11 01:10:11,134 INFO L87 Difference]: Start difference. First operand 297 states. Second operand 251 states. [2020-07-11 01:10:11,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:11,142 INFO L93 Difference]: Finished difference Result 297 states and 308 transitions. [2020-07-11 01:10:11,142 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 308 transitions. [2020-07-11 01:10:11,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:10:11,143 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:10:11,143 INFO L74 IsIncluded]: Start isIncluded. First operand 251 states. Second operand 297 states. [2020-07-11 01:10:11,143 INFO L87 Difference]: Start difference. First operand 251 states. Second operand 297 states. [2020-07-11 01:10:11,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:10:11,151 INFO L93 Difference]: Finished difference Result 297 states and 308 transitions. [2020-07-11 01:10:11,151 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 308 transitions. [2020-07-11 01:10:11,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:10:11,152 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:10:11,152 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:10:11,152 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:10:11,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-07-11 01:10:11,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 261 transitions. [2020-07-11 01:10:11,157 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 261 transitions. Word has length 81 [2020-07-11 01:10:11,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:10:11,158 INFO L479 AbstractCegarLoop]: Abstraction has 251 states and 261 transitions. [2020-07-11 01:10:11,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-07-11 01:10:11,158 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 251 states and 261 transitions. [2020-07-11 01:10:12,163 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 261 edges. 261 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:10:12,164 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 261 transitions. [2020-07-11 01:10:12,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-11 01:10:12,164 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:10:12,165 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] [2020-07-11 01:10:12,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-11 01:10:12,165 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]=== [2020-07-11 01:10:12,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:10:12,166 INFO L82 PathProgramCache]: Analyzing trace with hash 682951368, now seen corresponding path program 1 times [2020-07-11 01:10:12,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:10:12,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1144815519] [2020-07-11 01:10:12,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:10:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 01:10:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 01:10:12,334 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-11 01:10:12,334 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-11 01:10:12,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-11 01:10:12,457 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-11 01:10:12,458 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 01:10:12,458 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 01:10:12,458 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-11 01:10:12,458 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 01:10:12,458 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 01:10:12,458 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 01:10:12,458 WARN L170 areAnnotationChecker]: L987 has no Hoare annotation [2020-07-11 01:10:12,458 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-11 01:10:12,459 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-11 01:10:12,459 WARN L170 areAnnotationChecker]: L988 has no Hoare annotation [2020-07-11 01:10:12,459 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-11 01:10:12,459 WARN L170 areAnnotationChecker]: L988-1 has no Hoare annotation [2020-07-11 01:10:12,459 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-11 01:10:12,459 WARN L170 areAnnotationChecker]: L989 has no Hoare annotation [2020-07-11 01:10:12,459 WARN L170 areAnnotationChecker]: L990 has no Hoare annotation [2020-07-11 01:10:12,459 WARN L170 areAnnotationChecker]: L992 has no Hoare annotation [2020-07-11 01:10:12,460 WARN L170 areAnnotationChecker]: L993 has no Hoare annotation [2020-07-11 01:10:12,460 WARN L170 areAnnotationChecker]: L993-1 has no Hoare annotation [2020-07-11 01:10:12,460 WARN L170 areAnnotationChecker]: L994 has no Hoare annotation [2020-07-11 01:10:12,460 WARN L170 areAnnotationChecker]: L995 has no Hoare annotation [2020-07-11 01:10:12,460 WARN L170 areAnnotationChecker]: L1023-4 has no Hoare annotation [2020-07-11 01:10:12,460 WARN L170 areAnnotationChecker]: L1023-4 has no Hoare annotation [2020-07-11 01:10:12,460 WARN L170 areAnnotationChecker]: L1000-5 has no Hoare annotation [2020-07-11 01:10:12,460 WARN L170 areAnnotationChecker]: L1000-1 has no Hoare annotation [2020-07-11 01:10:12,460 WARN L170 areAnnotationChecker]: L1000-1 has no Hoare annotation [2020-07-11 01:10:12,460 WARN L170 areAnnotationChecker]: L1027 has no Hoare annotation [2020-07-11 01:10:12,461 WARN L170 areAnnotationChecker]: L1000-2 has no Hoare annotation [2020-07-11 01:10:12,461 WARN L170 areAnnotationChecker]: L1000-4 has no Hoare annotation [2020-07-11 01:10:12,461 WARN L170 areAnnotationChecker]: L1030-4 has no Hoare annotation [2020-07-11 01:10:12,461 WARN L170 areAnnotationChecker]: L1030-4 has no Hoare annotation [2020-07-11 01:10:12,461 WARN L170 areAnnotationChecker]: L1030-4 has no Hoare annotation [2020-07-11 01:10:12,461 WARN L170 areAnnotationChecker]: L1003 has no Hoare annotation [2020-07-11 01:10:12,461 WARN L170 areAnnotationChecker]: L1031-6 has no Hoare annotation [2020-07-11 01:10:12,461 WARN L170 areAnnotationChecker]: L1031-6 has no Hoare annotation [2020-07-11 01:10:12,462 WARN L170 areAnnotationChecker]: L1030-1 has no Hoare annotation [2020-07-11 01:10:12,462 WARN L170 areAnnotationChecker]: L1030-1 has no Hoare annotation [2020-07-11 01:10:12,462 WARN L170 areAnnotationChecker]: L1030-3 has no Hoare annotation [2020-07-11 01:10:12,462 WARN L170 areAnnotationChecker]: L1030-3 has no Hoare annotation [2020-07-11 01:10:12,462 WARN L170 areAnnotationChecker]: L1003-1 has no Hoare annotation [2020-07-11 01:10:12,462 WARN L170 areAnnotationChecker]: L1031 has no Hoare annotation [2020-07-11 01:10:12,462 WARN L170 areAnnotationChecker]: L1031 has no Hoare annotation [2020-07-11 01:10:12,462 WARN L170 areAnnotationChecker]: L1032-1 has no Hoare annotation [2020-07-11 01:10:12,462 WARN L170 areAnnotationChecker]: L1032-1 has no Hoare annotation [2020-07-11 01:10:12,463 WARN L170 areAnnotationChecker]: L1032-1 has no Hoare annotation [2020-07-11 01:10:12,463 WARN L170 areAnnotationChecker]: L1003-2 has no Hoare annotation [2020-07-11 01:10:12,463 WARN L170 areAnnotationChecker]: L1031-1 has no Hoare annotation [2020-07-11 01:10:12,463 WARN L170 areAnnotationChecker]: L1031-4 has no Hoare annotation [2020-07-11 01:10:12,463 WARN L170 areAnnotationChecker]: L1047-4 has no Hoare annotation [2020-07-11 01:10:12,463 WARN L170 areAnnotationChecker]: L1047-4 has no Hoare annotation [2020-07-11 01:10:12,463 WARN L170 areAnnotationChecker]: L1047-4 has no Hoare annotation [2020-07-11 01:10:12,463 WARN L170 areAnnotationChecker]: L1034 has no Hoare annotation [2020-07-11 01:10:12,463 WARN L170 areAnnotationChecker]: L1004 has no Hoare annotation [2020-07-11 01:10:12,463 WARN L170 areAnnotationChecker]: L1031-2 has no Hoare annotation [2020-07-11 01:10:12,464 WARN L170 areAnnotationChecker]: L1031-2 has no Hoare annotation [2020-07-11 01:10:12,464 WARN L170 areAnnotationChecker]: L1031-5 has no Hoare annotation [2020-07-11 01:10:12,464 WARN L170 areAnnotationChecker]: L1031-5 has no Hoare annotation [2020-07-11 01:10:12,464 WARN L170 areAnnotationChecker]: L1045-1 has no Hoare annotation [2020-07-11 01:10:12,464 WARN L170 areAnnotationChecker]: L1047 has no Hoare annotation [2020-07-11 01:10:12,464 WARN L170 areAnnotationChecker]: L1034-1 has no Hoare annotation [2020-07-11 01:10:12,464 WARN L170 areAnnotationChecker]: L1034-1 has no Hoare annotation [2020-07-11 01:10:12,464 WARN L170 areAnnotationChecker]: L1004-1 has no Hoare annotation [2020-07-11 01:10:12,464 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-11 01:10:12,465 WARN L170 areAnnotationChecker]: L1047-1 has no Hoare annotation [2020-07-11 01:10:12,465 WARN L170 areAnnotationChecker]: L1047-1 has no Hoare annotation [2020-07-11 01:10:12,465 WARN L170 areAnnotationChecker]: L1034-2 has no Hoare annotation [2020-07-11 01:10:12,465 WARN L170 areAnnotationChecker]: L1034-3 has no Hoare annotation [2020-07-11 01:10:12,465 WARN L170 areAnnotationChecker]: L1005 has no Hoare annotation [2020-07-11 01:10:12,465 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-11 01:10:12,465 WARN L170 areAnnotationChecker]: L1047-2 has no Hoare annotation [2020-07-11 01:10:12,465 WARN L170 areAnnotationChecker]: L1047-3 has no Hoare annotation [2020-07-11 01:10:12,465 WARN L170 areAnnotationChecker]: L1036 has no Hoare annotation [2020-07-11 01:10:12,465 WARN L170 areAnnotationChecker]: L1034-4 has no Hoare annotation [2020-07-11 01:10:12,465 WARN L170 areAnnotationChecker]: L1005-1 has no Hoare annotation [2020-07-11 01:10:12,465 WARN L170 areAnnotationChecker]: L1049 has no Hoare annotation [2020-07-11 01:10:12,465 WARN L170 areAnnotationChecker]: L1056 has no Hoare annotation [2020-07-11 01:10:12,465 WARN L170 areAnnotationChecker]: L1036-1 has no Hoare annotation [2020-07-11 01:10:12,466 WARN L170 areAnnotationChecker]: L1041 has no Hoare annotation [2020-07-11 01:10:12,466 WARN L170 areAnnotationChecker]: L1005-2 has no Hoare annotation [2020-07-11 01:10:12,466 WARN L170 areAnnotationChecker]: L1049-1 has no Hoare annotation [2020-07-11 01:10:12,466 WARN L170 areAnnotationChecker]: L1056-1 has no Hoare annotation [2020-07-11 01:10:12,466 WARN L170 areAnnotationChecker]: L1036-2 has no Hoare annotation [2020-07-11 01:10:12,466 WARN L170 areAnnotationChecker]: L1041-1 has no Hoare annotation [2020-07-11 01:10:12,466 WARN L170 areAnnotationChecker]: L1006 has no Hoare annotation [2020-07-11 01:10:12,466 WARN L170 areAnnotationChecker]: L1049-2 has no Hoare annotation [2020-07-11 01:10:12,466 WARN L170 areAnnotationChecker]: L1056-2 has no Hoare annotation [2020-07-11 01:10:12,466 WARN L170 areAnnotationChecker]: L1037-4 has no Hoare annotation [2020-07-11 01:10:12,466 WARN L170 areAnnotationChecker]: L1037-4 has no Hoare annotation [2020-07-11 01:10:12,466 WARN L170 areAnnotationChecker]: L1037-4 has no Hoare annotation [2020-07-11 01:10:12,466 WARN L170 areAnnotationChecker]: L1006-1 has no Hoare annotation [2020-07-11 01:10:12,466 WARN L170 areAnnotationChecker]: L1050 has no Hoare annotation [2020-07-11 01:10:12,466 WARN L170 areAnnotationChecker]: L1057 has no Hoare annotation [2020-07-11 01:10:12,466 WARN L170 areAnnotationChecker]: L1038-6 has no Hoare annotation [2020-07-11 01:10:12,467 WARN L170 areAnnotationChecker]: L1038-6 has no Hoare annotation [2020-07-11 01:10:12,467 WARN L170 areAnnotationChecker]: L1037-1 has no Hoare annotation [2020-07-11 01:10:12,467 WARN L170 areAnnotationChecker]: L1037-1 has no Hoare annotation [2020-07-11 01:10:12,467 WARN L170 areAnnotationChecker]: L1037-3 has no Hoare annotation [2020-07-11 01:10:12,467 WARN L170 areAnnotationChecker]: L1037-3 has no Hoare annotation [2020-07-11 01:10:12,467 WARN L170 areAnnotationChecker]: L1008 has no Hoare annotation [2020-07-11 01:10:12,467 WARN L170 areAnnotationChecker]: L1008 has no Hoare annotation [2020-07-11 01:10:12,467 WARN L170 areAnnotationChecker]: L1050-1 has no Hoare annotation [2020-07-11 01:10:12,467 WARN L170 areAnnotationChecker]: L1057-1 has no Hoare annotation [2020-07-11 01:10:12,467 WARN L170 areAnnotationChecker]: L1038 has no Hoare annotation [2020-07-11 01:10:12,467 WARN L170 areAnnotationChecker]: L1038 has no Hoare annotation [2020-07-11 01:10:12,467 WARN L170 areAnnotationChecker]: L1008-1 has no Hoare annotation [2020-07-11 01:10:12,467 WARN L170 areAnnotationChecker]: L1008-2 has no Hoare annotation [2020-07-11 01:10:12,467 WARN L170 areAnnotationChecker]: L1051 has no Hoare annotation [2020-07-11 01:10:12,467 WARN L170 areAnnotationChecker]: L1038-1 has no Hoare annotation [2020-07-11 01:10:12,468 WARN L170 areAnnotationChecker]: L1038-4 has no Hoare annotation [2020-07-11 01:10:12,468 WARN L170 areAnnotationChecker]: L1010 has no Hoare annotation [2020-07-11 01:10:12,468 WARN L170 areAnnotationChecker]: L1014 has no Hoare annotation [2020-07-11 01:10:12,468 WARN L170 areAnnotationChecker]: L1051-1 has no Hoare annotation [2020-07-11 01:10:12,468 WARN L170 areAnnotationChecker]: L1038-2 has no Hoare annotation [2020-07-11 01:10:12,468 WARN L170 areAnnotationChecker]: L1038-2 has no Hoare annotation [2020-07-11 01:10:12,468 WARN L170 areAnnotationChecker]: L1038-5 has no Hoare annotation [2020-07-11 01:10:12,468 WARN L170 areAnnotationChecker]: L1038-5 has no Hoare annotation [2020-07-11 01:10:12,468 WARN L170 areAnnotationChecker]: L1021-6 has no Hoare annotation [2020-07-11 01:10:12,468 WARN L170 areAnnotationChecker]: L1021-6 has no Hoare annotation [2020-07-11 01:10:12,468 WARN L170 areAnnotationChecker]: L1014-1 has no Hoare annotation [2020-07-11 01:10:12,468 WARN L170 areAnnotationChecker]: L1052 has no Hoare annotation [2020-07-11 01:10:12,468 WARN L170 areAnnotationChecker]: L1021 has no Hoare annotation [2020-07-11 01:10:12,468 WARN L170 areAnnotationChecker]: L1021 has no Hoare annotation [2020-07-11 01:10:12,468 WARN L170 areAnnotationChecker]: L1022-6 has no Hoare annotation [2020-07-11 01:10:12,468 WARN L170 areAnnotationChecker]: L1022-6 has no Hoare annotation [2020-07-11 01:10:12,469 WARN L170 areAnnotationChecker]: L1015 has no Hoare annotation [2020-07-11 01:10:12,469 WARN L170 areAnnotationChecker]: L1021-1 has no Hoare annotation [2020-07-11 01:10:12,469 WARN L170 areAnnotationChecker]: L1021-4 has no Hoare annotation [2020-07-11 01:10:12,469 WARN L170 areAnnotationChecker]: L1022 has no Hoare annotation [2020-07-11 01:10:12,469 WARN L170 areAnnotationChecker]: L1022 has no Hoare annotation [2020-07-11 01:10:12,469 WARN L170 areAnnotationChecker]: L1023-3 has no Hoare annotation [2020-07-11 01:10:12,469 WARN L170 areAnnotationChecker]: L1023-3 has no Hoare annotation [2020-07-11 01:10:12,469 WARN L170 areAnnotationChecker]: L1023-3 has no Hoare annotation [2020-07-11 01:10:12,469 WARN L170 areAnnotationChecker]: L1015-1 has no Hoare annotation [2020-07-11 01:10:12,469 WARN L170 areAnnotationChecker]: L1021-2 has no Hoare annotation [2020-07-11 01:10:12,469 WARN L170 areAnnotationChecker]: L1021-2 has no Hoare annotation [2020-07-11 01:10:12,469 WARN L170 areAnnotationChecker]: L1021-5 has no Hoare annotation [2020-07-11 01:10:12,469 WARN L170 areAnnotationChecker]: L1021-5 has no Hoare annotation [2020-07-11 01:10:12,469 WARN L170 areAnnotationChecker]: L1022-1 has no Hoare annotation [2020-07-11 01:10:12,469 WARN L170 areAnnotationChecker]: L1022-4 has no Hoare annotation [2020-07-11 01:10:12,469 WARN L170 areAnnotationChecker]: L1023 has no Hoare annotation [2020-07-11 01:10:12,470 WARN L170 areAnnotationChecker]: L1023 has no Hoare annotation [2020-07-11 01:10:12,470 WARN L170 areAnnotationChecker]: L1023-2 has no Hoare annotation [2020-07-11 01:10:12,470 WARN L170 areAnnotationChecker]: L1023-2 has no Hoare annotation [2020-07-11 01:10:12,470 WARN L170 areAnnotationChecker]: L1016 has no Hoare annotation [2020-07-11 01:10:12,470 WARN L170 areAnnotationChecker]: L1022-2 has no Hoare annotation [2020-07-11 01:10:12,470 WARN L170 areAnnotationChecker]: L1022-2 has no Hoare annotation [2020-07-11 01:10:12,470 WARN L170 areAnnotationChecker]: L1022-5 has no Hoare annotation [2020-07-11 01:10:12,470 WARN L170 areAnnotationChecker]: L1022-5 has no Hoare annotation [2020-07-11 01:10:12,470 WARN L170 areAnnotationChecker]: L1016-1 has no Hoare annotation [2020-07-11 01:10:12,470 WARN L170 areAnnotationChecker]: L1017 has no Hoare annotation [2020-07-11 01:10:12,470 WARN L170 areAnnotationChecker]: L1017-1 has no Hoare annotation [2020-07-11 01:10:12,470 WARN L170 areAnnotationChecker]: L1017-2 has no Hoare annotation [2020-07-11 01:10:12,470 WARN L170 areAnnotationChecker]: L1018 has no Hoare annotation [2020-07-11 01:10:12,470 WARN L170 areAnnotationChecker]: L1018-1 has no Hoare annotation [2020-07-11 01:10:12,471 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. [2020-07-11 01:10:12,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 01:10:12 BoogieIcfgContainer [2020-07-11 01:10:12,474 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-11 01:10:12,477 INFO L168 Benchmark]: Toolchain (without parser) took 114009.03 ms. Allocated memory was 139.5 MB in the beginning and 529.5 MB in the end (delta: 390.1 MB). Free memory was 104.0 MB in the beginning and 86.6 MB in the end (delta: 17.3 MB). Peak memory consumption was 407.4 MB. Max. memory is 7.1 GB. [2020-07-11 01:10:12,477 INFO L168 Benchmark]: CDTParser took 0.86 ms. Allocated memory is still 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-11 01:10:12,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.85 ms. Allocated memory was 139.5 MB in the beginning and 206.0 MB in the end (delta: 66.6 MB). Free memory was 103.5 MB in the beginning and 171.4 MB in the end (delta: -67.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2020-07-11 01:10:12,479 INFO L168 Benchmark]: Boogie Preprocessor took 76.49 ms. Allocated memory is still 206.0 MB. Free memory was 171.4 MB in the beginning and 167.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-11 01:10:12,479 INFO L168 Benchmark]: RCFGBuilder took 893.35 ms. Allocated memory was 206.0 MB in the beginning and 232.8 MB in the end (delta: 26.7 MB). Free memory was 167.3 MB in the beginning and 199.5 MB in the end (delta: -32.2 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. [2020-07-11 01:10:12,480 INFO L168 Benchmark]: TraceAbstraction took 112279.91 ms. Allocated memory was 232.8 MB in the beginning and 529.5 MB in the end (delta: 296.7 MB). Free memory was 199.5 MB in the beginning and 86.6 MB in the end (delta: 112.9 MB). Peak memory consumption was 409.7 MB. Max. memory is 7.1 GB. [2020-07-11 01:10:12,482 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 0.86 ms. Allocated memory is still 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 753.85 ms. Allocated memory was 139.5 MB in the beginning and 206.0 MB in the end (delta: 66.6 MB). Free memory was 103.5 MB in the beginning and 171.4 MB in the end (delta: -67.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.49 ms. Allocated memory is still 206.0 MB. Free memory was 171.4 MB in the beginning and 167.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 893.35 ms. Allocated memory was 206.0 MB in the beginning and 232.8 MB in the end (delta: 26.7 MB). Free memory was 167.3 MB in the beginning and 199.5 MB in the end (delta: -32.2 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 112279.91 ms. Allocated memory was 232.8 MB in the beginning and 529.5 MB in the end (delta: 296.7 MB). Free memory was 199.5 MB in the beginning and 86.6 MB in the end (delta: 112.9 MB). Peak memory consumption was 409.7 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))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1004] EXPR end->next VAL [end={-2:0}, end->next={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1004] end->next->prev = end VAL [end={-2:0}, end->next={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1005] EXPR end->next VAL [end={-2:0}, end->next={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1005] end = end->next VAL [end={-3:0}, end->next={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1006] end->next = null VAL [end={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1008] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, end={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1014] end->colour = RED VAL [end={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1015] end->next = malloc(sizeof(struct TSLL)) VAL [end={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1016] EXPR end->next VAL [end={-3:0}, end->next={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1016] end->next->prev = end VAL [end={-3:0}, end->next={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1017] EXPR end->next VAL [end={-3:0}, end->next={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1017] end = end->next VAL [end={-4:0}, end->next={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1018] end->next = null VAL [end={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1019] end->colour = BLACK VAL [end={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1021] EXPR end->colour VAL [end={-4:0}, end->colour=1, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1021] COND FALSE !(!(BLACK == end->colour)) VAL [end={-4:0}, end->colour=1, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1022] EXPR end->next VAL [end={-4:0}, end->next={-1:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1022] COND FALSE !(!(null == end->next)) VAL [end={-4:0}, end->next={-1:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1023] COND FALSE !(!(null != end)) VAL [end={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1000] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, end={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1026] end = null VAL [end={-1:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1027] end = list VAL [end={-2:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1030] COND FALSE !(!(null != end)) VAL [end={-2:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1031] EXPR end->colour VAL [end={-2:0}, end->colour=1, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1031] COND FALSE !(!(BLACK == end->colour)) VAL [end={-2:0}, end->colour=1, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1032] COND TRUE null != end VAL [end={-2:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1034] EXPR end->colour VAL [end={-2:0}, end->colour=1, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1034] COND FALSE !(RED == end->colour) VAL [end={-2:0}, end->colour=1, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1041] EXPR end->next VAL [end={-2:0}, end->next={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1041] end = end->next VAL [end={-3:0}, end->next={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1032] COND TRUE null != end VAL [end={-3:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1034] EXPR end->colour VAL [end={-3:0}, end->colour=0, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1034] COND TRUE RED == end->colour VAL [end={-3:0}, end->colour=0, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1036] EXPR end->next VAL [end={-3:0}, end->next={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1036] end = end->next VAL [end={-4:0}, end->next={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1037] COND FALSE !(!(null != end)) VAL [end={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1038] EXPR end->colour VAL [end={-4:0}, end->colour=1, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] [L1038] COND TRUE !(BLACK != end->colour) VAL [end={-4:0}, end->colour=1, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-1:0}, malloc(sizeof(struct TSLL))={-4:0}, null={-1:0}] [L1038] __VERIFIER_error() VAL [end={-4:0}, list={-2:0}, malloc(sizeof(struct TSLL))={-3:0}, malloc(sizeof(struct TSLL))={-2:0}, malloc(sizeof(struct TSLL))={-4:0}, malloc(sizeof(struct TSLL))={-1:0}, null={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 123 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 112.0s, OverallIterations: 17, TraceHistogramMax: 3, AutomataDifference: 75.4s, 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, 13.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 464 GetRequests, 60 SyntacticMatches, 13 SemanticMatches, 391 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2604 ImplicationChecksByTransitivity, 16.7s 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: 18.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 381 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.9s 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...