/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/sll-01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 05:14:51,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 05:14:51,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 05:14:51,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 05:14:51,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 05:14:51,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 05:14:51,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 05:14:51,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 05:14:51,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 05:14:51,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 05:14:51,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 05:14:51,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 05:14:51,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 05:14:51,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 05:14:51,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 05:14:51,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 05:14:51,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 05:14:51,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 05:14:51,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 05:14:51,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 05:14:51,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 05:14:51,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 05:14:51,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 05:14:51,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 05:14:51,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 05:14:51,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 05:14:51,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 05:14:51,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 05:14:51,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 05:14:51,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 05:14:51,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 05:14:51,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 05:14:51,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 05:14:51,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 05:14:51,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 05:14:51,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 05:14:51,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 05:14:51,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 05:14:51,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 05:14:51,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 05:14:51,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 05:14:51,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 05:14:51,453 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 05:14:51,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 05:14:51,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 05:14:51,456 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 05:14:51,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 05:14:51,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 05:14:51,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 05:14:51,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 05:14:51,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 05:14:51,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 05:14:51,459 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 05:14:51,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 05:14:51,459 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 05:14:51,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 05:14:51,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 05:14:51,460 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 05:14:51,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 05:14:51,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 05:14:51,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 05:14:51,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 05:14:51,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 05:14:51,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 05:14:51,461 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-18 05:14:51,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 05:14:51,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 05:14:51,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 05:14:51,806 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 05:14:51,806 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 05:14:51,807 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-01-2.i [2020-07-18 05:14:51,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc8452f0b/ecd56ad2042d4ba79960610dbe8f0603/FLAG2145897bc [2020-07-18 05:14:52,374 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 05:14:52,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i [2020-07-18 05:14:52,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc8452f0b/ecd56ad2042d4ba79960610dbe8f0603/FLAG2145897bc [2020-07-18 05:14:52,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc8452f0b/ecd56ad2042d4ba79960610dbe8f0603 [2020-07-18 05:14:52,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 05:14:52,695 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 05:14:52,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 05:14:52,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 05:14:52,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 05:14:52,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:14:52" (1/1) ... [2020-07-18 05:14:52,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ff57a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:52, skipping insertion in model container [2020-07-18 05:14:52,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:14:52" (1/1) ... [2020-07-18 05:14:52,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 05:14:52,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 05:14:53,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:14:53,178 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 05:14:53,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:14:53,310 INFO L208 MainTranslator]: Completed translation [2020-07-18 05:14:53,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:53 WrapperNode [2020-07-18 05:14:53,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 05:14:53,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 05:14:53,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 05:14:53,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 05:14:53,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:53" (1/1) ... [2020-07-18 05:14:53,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:53" (1/1) ... [2020-07-18 05:14:53,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:53" (1/1) ... [2020-07-18 05:14:53,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:53" (1/1) ... [2020-07-18 05:14:53,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:53" (1/1) ... [2020-07-18 05:14:53,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:53" (1/1) ... [2020-07-18 05:14:53,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:53" (1/1) ... [2020-07-18 05:14:53,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 05:14:53,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 05:14:53,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 05:14:53,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 05:14:53,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 05:14:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 05:14:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 05:14:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 05:14:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-18 05:14:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-18 05:14:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-18 05:14:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-18 05:14:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-18 05:14:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-18 05:14:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-18 05:14:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-18 05:14:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-18 05:14:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-18 05:14:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-18 05:14:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-18 05:14:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-18 05:14:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-18 05:14:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-18 05:14:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-18 05:14:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-18 05:14:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-18 05:14:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-18 05:14:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-18 05:14:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-18 05:14:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-18 05:14:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-18 05:14:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-18 05:14:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-18 05:14:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-18 05:14:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-18 05:14:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-18 05:14:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-18 05:14:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-18 05:14:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-18 05:14:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-18 05:14:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-18 05:14:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-18 05:14:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-18 05:14:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-18 05:14:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-18 05:14:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-18 05:14:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-18 05:14:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-18 05:14:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-18 05:14:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-18 05:14:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-18 05:14:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-18 05:14:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-18 05:14:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-18 05:14:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-18 05:14:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-18 05:14:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-18 05:14:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-18 05:14:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-18 05:14:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-18 05:14:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-18 05:14:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-18 05:14:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-18 05:14:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-18 05:14:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-18 05:14:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-18 05:14:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-18 05:14:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 05:14:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-18 05:14:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-18 05:14:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-18 05:14:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-18 05:14:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-18 05:14:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-18 05:14:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-18 05:14:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-18 05:14:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-18 05:14:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-18 05:14:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-18 05:14:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-18 05:14:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-18 05:14:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-18 05:14:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-18 05:14:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-18 05:14:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-18 05:14:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-18 05:14:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-18 05:14:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-18 05:14:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-18 05:14:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-18 05:14:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-18 05:14:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-18 05:14:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-18 05:14:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-18 05:14:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-18 05:14:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-18 05:14:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-18 05:14:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-18 05:14:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-18 05:14:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-18 05:14:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-18 05:14:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-18 05:14:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-18 05:14:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-18 05:14:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-18 05:14:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-18 05:14:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-18 05:14:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-18 05:14:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-18 05:14:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-18 05:14:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-18 05:14:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 05:14:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 05:14:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 05:14:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-18 05:14:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-18 05:14:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-18 05:14:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 05:14:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 05:14:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 05:14:54,403 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 05:14:54,404 INFO L295 CfgBuilder]: Removed 30 assume(true) statements. [2020-07-18 05:14:54,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:14:54 BoogieIcfgContainer [2020-07-18 05:14:54,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 05:14:54,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 05:14:54,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 05:14:54,413 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 05:14:54,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 05:14:52" (1/3) ... [2020-07-18 05:14:54,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c8e4c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:14:54, skipping insertion in model container [2020-07-18 05:14:54,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:53" (2/3) ... [2020-07-18 05:14:54,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c8e4c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:14:54, skipping insertion in model container [2020-07-18 05:14:54,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:14:54" (3/3) ... [2020-07-18 05:14:54,417 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-01-2.i [2020-07-18 05:14:54,427 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 05:14:54,436 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2020-07-18 05:14:54,449 INFO L251 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2020-07-18 05:14:54,471 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 05:14:54,471 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 05:14:54,472 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 05:14:54,472 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 05:14:54,472 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 05:14:54,472 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 05:14:54,473 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 05:14:54,473 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 05:14:54,493 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-07-18 05:14:54,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-18 05:14:54,504 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:14:54,505 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:14:54,505 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:14:54,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:14:54,512 INFO L82 PathProgramCache]: Analyzing trace with hash 885652866, now seen corresponding path program 1 times [2020-07-18 05:14:54,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:14:54,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1743227050] [2020-07-18 05:14:54,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:14:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:54,756 INFO L280 TraceCheckUtils]: 0: Hoare triple {183#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {174#true} is VALID [2020-07-18 05:14:54,757 INFO L280 TraceCheckUtils]: 1: Hoare triple {174#true} #valid := #valid[0 := 0]; {174#true} is VALID [2020-07-18 05:14:54,757 INFO L280 TraceCheckUtils]: 2: Hoare triple {174#true} assume 0 < #StackHeapBarrier; {174#true} is VALID [2020-07-18 05:14:54,758 INFO L280 TraceCheckUtils]: 3: Hoare triple {174#true} assume true; {174#true} is VALID [2020-07-18 05:14:54,758 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {174#true} {174#true} #419#return; {174#true} is VALID [2020-07-18 05:14:54,763 INFO L263 TraceCheckUtils]: 0: Hoare triple {174#true} call ULTIMATE.init(); {183#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:14:54,764 INFO L280 TraceCheckUtils]: 1: Hoare triple {183#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {174#true} is VALID [2020-07-18 05:14:54,764 INFO L280 TraceCheckUtils]: 2: Hoare triple {174#true} #valid := #valid[0 := 0]; {174#true} is VALID [2020-07-18 05:14:54,764 INFO L280 TraceCheckUtils]: 3: Hoare triple {174#true} assume 0 < #StackHeapBarrier; {174#true} is VALID [2020-07-18 05:14:54,765 INFO L280 TraceCheckUtils]: 4: Hoare triple {174#true} assume true; {174#true} is VALID [2020-07-18 05:14:54,765 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {174#true} {174#true} #419#return; {174#true} is VALID [2020-07-18 05:14:54,765 INFO L263 TraceCheckUtils]: 6: Hoare triple {174#true} call #t~ret28 := main(); {174#true} is VALID [2020-07-18 05:14:54,766 INFO L280 TraceCheckUtils]: 7: Hoare triple {174#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {181#(not (= 0 |main_#t~malloc0.base|))} is VALID [2020-07-18 05:14:54,767 INFO L280 TraceCheckUtils]: 8: Hoare triple {181#(not (= 0 |main_#t~malloc0.base|))} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {182#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:14:54,768 INFO L280 TraceCheckUtils]: 9: Hoare triple {182#(not (= 0 main_~list~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {182#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:14:54,769 INFO L280 TraceCheckUtils]: 10: Hoare triple {182#(not (= 0 main_~list~0.base))} assume !(~list~0.base != 0 || ~list~0.offset != 0); {175#false} is VALID [2020-07-18 05:14:54,769 INFO L280 TraceCheckUtils]: 11: Hoare triple {175#false} assume !false; {175#false} is VALID [2020-07-18 05:14:54,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:14:54,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1743227050] [2020-07-18 05:14:54,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:14:54,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-18 05:14:54,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399732632] [2020-07-18 05:14:54,780 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-18 05:14:54,782 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:14:54,786 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-18 05:14:54,815 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:54,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-18 05:14:54,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:14:54,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-18 05:14:54,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-18 05:14:54,827 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 5 states. [2020-07-18 05:14:56,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:56,163 INFO L93 Difference]: Finished difference Result 360 states and 478 transitions. [2020-07-18 05:14:56,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-18 05:14:56,163 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-18 05:14:56,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:14:56,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 05:14:56,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 478 transitions. [2020-07-18 05:14:56,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 05:14:56,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 478 transitions. [2020-07-18 05:14:56,197 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 478 transitions. [2020-07-18 05:14:56,836 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 478 edges. 478 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:56,859 INFO L225 Difference]: With dead ends: 360 [2020-07-18 05:14:56,859 INFO L226 Difference]: Without dead ends: 194 [2020-07-18 05:14:56,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-18 05:14:56,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-07-18 05:14:57,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 164. [2020-07-18 05:14:57,185 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:14:57,186 INFO L82 GeneralOperation]: Start isEquivalent. First operand 194 states. Second operand 164 states. [2020-07-18 05:14:57,186 INFO L74 IsIncluded]: Start isIncluded. First operand 194 states. Second operand 164 states. [2020-07-18 05:14:57,187 INFO L87 Difference]: Start difference. First operand 194 states. Second operand 164 states. [2020-07-18 05:14:57,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:57,198 INFO L93 Difference]: Finished difference Result 194 states and 205 transitions. [2020-07-18 05:14:57,198 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 205 transitions. [2020-07-18 05:14:57,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:14:57,201 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:14:57,201 INFO L74 IsIncluded]: Start isIncluded. First operand 164 states. Second operand 194 states. [2020-07-18 05:14:57,201 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 194 states. [2020-07-18 05:14:57,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:57,212 INFO L93 Difference]: Finished difference Result 194 states and 205 transitions. [2020-07-18 05:14:57,212 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 205 transitions. [2020-07-18 05:14:57,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:14:57,214 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:14:57,214 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:14:57,214 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:14:57,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-07-18 05:14:57,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 174 transitions. [2020-07-18 05:14:57,223 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 174 transitions. Word has length 12 [2020-07-18 05:14:57,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:14:57,223 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 174 transitions. [2020-07-18 05:14:57,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-18 05:14:57,224 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 164 states and 174 transitions. [2020-07-18 05:14:57,441 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:57,441 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 174 transitions. [2020-07-18 05:14:57,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-18 05:14:57,442 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:14:57,443 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] [2020-07-18 05:14:57,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 05:14:57,443 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:14:57,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:14:57,444 INFO L82 PathProgramCache]: Analyzing trace with hash 684663316, now seen corresponding path program 1 times [2020-07-18 05:14:57,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:14:57,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1322259112] [2020-07-18 05:14:57,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:14:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:57,563 INFO L280 TraceCheckUtils]: 0: Hoare triple {1632#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1624#true} is VALID [2020-07-18 05:14:57,564 INFO L280 TraceCheckUtils]: 1: Hoare triple {1624#true} #valid := #valid[0 := 0]; {1624#true} is VALID [2020-07-18 05:14:57,564 INFO L280 TraceCheckUtils]: 2: Hoare triple {1624#true} assume 0 < #StackHeapBarrier; {1624#true} is VALID [2020-07-18 05:14:57,564 INFO L280 TraceCheckUtils]: 3: Hoare triple {1624#true} assume true; {1624#true} is VALID [2020-07-18 05:14:57,564 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1624#true} {1624#true} #419#return; {1624#true} is VALID [2020-07-18 05:14:57,566 INFO L263 TraceCheckUtils]: 0: Hoare triple {1624#true} call ULTIMATE.init(); {1632#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:14:57,566 INFO L280 TraceCheckUtils]: 1: Hoare triple {1632#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1624#true} is VALID [2020-07-18 05:14:57,566 INFO L280 TraceCheckUtils]: 2: Hoare triple {1624#true} #valid := #valid[0 := 0]; {1624#true} is VALID [2020-07-18 05:14:57,566 INFO L280 TraceCheckUtils]: 3: Hoare triple {1624#true} assume 0 < #StackHeapBarrier; {1624#true} is VALID [2020-07-18 05:14:57,567 INFO L280 TraceCheckUtils]: 4: Hoare triple {1624#true} assume true; {1624#true} is VALID [2020-07-18 05:14:57,567 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1624#true} {1624#true} #419#return; {1624#true} is VALID [2020-07-18 05:14:57,567 INFO L263 TraceCheckUtils]: 6: Hoare triple {1624#true} call #t~ret28 := main(); {1624#true} is VALID [2020-07-18 05:14:57,568 INFO L280 TraceCheckUtils]: 7: Hoare triple {1624#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {1624#true} is VALID [2020-07-18 05:14:57,568 INFO L280 TraceCheckUtils]: 8: Hoare triple {1624#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {1624#true} is VALID [2020-07-18 05:14:57,568 INFO L280 TraceCheckUtils]: 9: Hoare triple {1624#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {1624#true} is VALID [2020-07-18 05:14:57,568 INFO L280 TraceCheckUtils]: 10: Hoare triple {1624#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {1624#true} is VALID [2020-07-18 05:14:57,569 INFO L280 TraceCheckUtils]: 11: Hoare triple {1624#true} goto; {1624#true} is VALID [2020-07-18 05:14:57,569 INFO L280 TraceCheckUtils]: 12: Hoare triple {1624#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {1624#true} is VALID [2020-07-18 05:14:57,569 INFO L280 TraceCheckUtils]: 13: Hoare triple {1624#true} assume 0 != #t~nondet1; {1624#true} is VALID [2020-07-18 05:14:57,569 INFO L280 TraceCheckUtils]: 14: Hoare triple {1624#true} havoc #t~nondet1; {1624#true} is VALID [2020-07-18 05:14:57,570 INFO L280 TraceCheckUtils]: 15: Hoare triple {1624#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {1624#true} is VALID [2020-07-18 05:14:57,570 INFO L280 TraceCheckUtils]: 16: Hoare triple {1624#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {1624#true} is VALID [2020-07-18 05:14:57,570 INFO L280 TraceCheckUtils]: 17: Hoare triple {1624#true} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {1624#true} is VALID [2020-07-18 05:14:57,571 INFO L280 TraceCheckUtils]: 18: Hoare triple {1624#true} assume #t~short7; {1631#|main_#t~short7|} is VALID [2020-07-18 05:14:57,572 INFO L280 TraceCheckUtils]: 19: Hoare triple {1631#|main_#t~short7|} assume !#t~short7; {1625#false} is VALID [2020-07-18 05:14:57,573 INFO L280 TraceCheckUtils]: 20: Hoare triple {1625#false} havoc #t~mem5.base, #t~mem5.offset; {1625#false} is VALID [2020-07-18 05:14:57,573 INFO L280 TraceCheckUtils]: 21: Hoare triple {1625#false} havoc #t~short7; {1625#false} is VALID [2020-07-18 05:14:57,573 INFO L280 TraceCheckUtils]: 22: Hoare triple {1625#false} havoc #t~mem6.base, #t~mem6.offset; {1625#false} is VALID [2020-07-18 05:14:57,574 INFO L280 TraceCheckUtils]: 23: Hoare triple {1625#false} assume !false; {1625#false} is VALID [2020-07-18 05:14:57,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:14:57,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1322259112] [2020-07-18 05:14:57,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:14:57,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 05:14:57,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761055019] [2020-07-18 05:14:57,583 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-07-18 05:14:57,584 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:14:57,584 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 05:14:57,614 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:57,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 05:14:57,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:14:57,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 05:14:57,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 05:14:57,616 INFO L87 Difference]: Start difference. First operand 164 states and 174 transitions. Second operand 4 states. [2020-07-18 05:14:58,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:58,438 INFO L93 Difference]: Finished difference Result 170 states and 180 transitions. [2020-07-18 05:14:58,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 05:14:58,438 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-07-18 05:14:58,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:14:58,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 05:14:58,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 180 transitions. [2020-07-18 05:14:58,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 05:14:58,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 180 transitions. [2020-07-18 05:14:58,446 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 180 transitions. [2020-07-18 05:14:58,620 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 180 edges. 180 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:58,625 INFO L225 Difference]: With dead ends: 170 [2020-07-18 05:14:58,625 INFO L226 Difference]: Without dead ends: 165 [2020-07-18 05:14:58,626 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 05:14:58,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-07-18 05:14:58,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2020-07-18 05:14:58,897 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:14:58,897 INFO L82 GeneralOperation]: Start isEquivalent. First operand 165 states. Second operand 165 states. [2020-07-18 05:14:58,897 INFO L74 IsIncluded]: Start isIncluded. First operand 165 states. Second operand 165 states. [2020-07-18 05:14:58,898 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 165 states. [2020-07-18 05:14:58,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:58,905 INFO L93 Difference]: Finished difference Result 165 states and 175 transitions. [2020-07-18 05:14:58,905 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 175 transitions. [2020-07-18 05:14:58,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:14:58,906 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:14:58,906 INFO L74 IsIncluded]: Start isIncluded. First operand 165 states. Second operand 165 states. [2020-07-18 05:14:58,906 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 165 states. [2020-07-18 05:14:58,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:58,912 INFO L93 Difference]: Finished difference Result 165 states and 175 transitions. [2020-07-18 05:14:58,913 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 175 transitions. [2020-07-18 05:14:58,913 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:14:58,914 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:14:58,914 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:14:58,914 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:14:58,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-07-18 05:14:58,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 175 transitions. [2020-07-18 05:14:58,920 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 175 transitions. Word has length 24 [2020-07-18 05:14:58,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:14:58,920 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 175 transitions. [2020-07-18 05:14:58,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 05:14:58,920 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 165 states and 175 transitions. [2020-07-18 05:14:59,170 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 175 transitions. [2020-07-18 05:14:59,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-18 05:14:59,171 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:14:59,171 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] [2020-07-18 05:14:59,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 05:14:59,172 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:14:59,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:14:59,172 INFO L82 PathProgramCache]: Analyzing trace with hash -265499727, now seen corresponding path program 1 times [2020-07-18 05:14:59,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:14:59,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [71898045] [2020-07-18 05:14:59,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:14:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:59,314 INFO L280 TraceCheckUtils]: 0: Hoare triple {2647#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {2635#true} is VALID [2020-07-18 05:14:59,315 INFO L280 TraceCheckUtils]: 1: Hoare triple {2635#true} #valid := #valid[0 := 0]; {2635#true} is VALID [2020-07-18 05:14:59,315 INFO L280 TraceCheckUtils]: 2: Hoare triple {2635#true} assume 0 < #StackHeapBarrier; {2635#true} is VALID [2020-07-18 05:14:59,315 INFO L280 TraceCheckUtils]: 3: Hoare triple {2635#true} assume true; {2635#true} is VALID [2020-07-18 05:14:59,316 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2635#true} {2635#true} #419#return; {2635#true} is VALID [2020-07-18 05:14:59,317 INFO L263 TraceCheckUtils]: 0: Hoare triple {2635#true} call ULTIMATE.init(); {2647#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:14:59,317 INFO L280 TraceCheckUtils]: 1: Hoare triple {2647#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {2635#true} is VALID [2020-07-18 05:14:59,317 INFO L280 TraceCheckUtils]: 2: Hoare triple {2635#true} #valid := #valid[0 := 0]; {2635#true} is VALID [2020-07-18 05:14:59,318 INFO L280 TraceCheckUtils]: 3: Hoare triple {2635#true} assume 0 < #StackHeapBarrier; {2635#true} is VALID [2020-07-18 05:14:59,318 INFO L280 TraceCheckUtils]: 4: Hoare triple {2635#true} assume true; {2635#true} is VALID [2020-07-18 05:14:59,318 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2635#true} {2635#true} #419#return; {2635#true} is VALID [2020-07-18 05:14:59,318 INFO L263 TraceCheckUtils]: 6: Hoare triple {2635#true} call #t~ret28 := main(); {2635#true} is VALID [2020-07-18 05:14:59,319 INFO L280 TraceCheckUtils]: 7: Hoare triple {2635#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {2635#true} is VALID [2020-07-18 05:14:59,319 INFO L280 TraceCheckUtils]: 8: Hoare triple {2635#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {2635#true} is VALID [2020-07-18 05:14:59,319 INFO L280 TraceCheckUtils]: 9: Hoare triple {2635#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {2635#true} is VALID [2020-07-18 05:14:59,320 INFO L280 TraceCheckUtils]: 10: Hoare triple {2635#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {2635#true} is VALID [2020-07-18 05:14:59,320 INFO L280 TraceCheckUtils]: 11: Hoare triple {2635#true} goto; {2635#true} is VALID [2020-07-18 05:14:59,320 INFO L280 TraceCheckUtils]: 12: Hoare triple {2635#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {2635#true} is VALID [2020-07-18 05:14:59,320 INFO L280 TraceCheckUtils]: 13: Hoare triple {2635#true} assume 0 != #t~nondet1; {2635#true} is VALID [2020-07-18 05:14:59,321 INFO L280 TraceCheckUtils]: 14: Hoare triple {2635#true} havoc #t~nondet1; {2635#true} is VALID [2020-07-18 05:14:59,321 INFO L280 TraceCheckUtils]: 15: Hoare triple {2635#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {2635#true} is VALID [2020-07-18 05:14:59,322 INFO L280 TraceCheckUtils]: 16: Hoare triple {2635#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {2642#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) |main_#t~mem5.base|))} is VALID [2020-07-18 05:14:59,323 INFO L280 TraceCheckUtils]: 17: Hoare triple {2642#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) |main_#t~mem5.base|))} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {2643#(or |main_#t~short7| (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)))))} is VALID [2020-07-18 05:14:59,324 INFO L280 TraceCheckUtils]: 18: Hoare triple {2643#(or |main_#t~short7| (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)))))} assume !#t~short7; {2644#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:14:59,325 INFO L280 TraceCheckUtils]: 19: Hoare triple {2644#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-22 {2645#(and (= 0 |main_#t~mem6.offset|) (= 0 |main_#t~mem6.base|))} is VALID [2020-07-18 05:14:59,326 INFO L280 TraceCheckUtils]: 20: Hoare triple {2645#(and (= 0 |main_#t~mem6.offset|) (= 0 |main_#t~mem6.base|))} #t~short7 := #t~mem6.base == 0 && #t~mem6.offset == 0; {2646#|main_#t~short7|} is VALID [2020-07-18 05:14:59,326 INFO L280 TraceCheckUtils]: 21: Hoare triple {2646#|main_#t~short7|} assume !#t~short7; {2636#false} is VALID [2020-07-18 05:14:59,326 INFO L280 TraceCheckUtils]: 22: Hoare triple {2636#false} havoc #t~mem5.base, #t~mem5.offset; {2636#false} is VALID [2020-07-18 05:14:59,327 INFO L280 TraceCheckUtils]: 23: Hoare triple {2636#false} havoc #t~short7; {2636#false} is VALID [2020-07-18 05:14:59,327 INFO L280 TraceCheckUtils]: 24: Hoare triple {2636#false} havoc #t~mem6.base, #t~mem6.offset; {2636#false} is VALID [2020-07-18 05:14:59,327 INFO L280 TraceCheckUtils]: 25: Hoare triple {2636#false} assume !false; {2636#false} is VALID [2020-07-18 05:14:59,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:14:59,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [71898045] [2020-07-18 05:14:59,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:14:59,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-18 05:14:59,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359194538] [2020-07-18 05:14:59,330 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2020-07-18 05:14:59,331 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:14:59,331 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 05:14:59,358 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:59,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-18 05:14:59,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:14:59,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-18 05:14:59,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-07-18 05:14:59,360 INFO L87 Difference]: Start difference. First operand 165 states and 175 transitions. Second operand 8 states. [2020-07-18 05:15:01,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:01,520 INFO L93 Difference]: Finished difference Result 260 states and 277 transitions. [2020-07-18 05:15:01,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-18 05:15:01,520 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2020-07-18 05:15:01,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:01,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 05:15:01,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 277 transitions. [2020-07-18 05:15:01,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 05:15:01,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 277 transitions. [2020-07-18 05:15:01,529 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 277 transitions. [2020-07-18 05:15:01,872 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 277 edges. 277 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:01,878 INFO L225 Difference]: With dead ends: 260 [2020-07-18 05:15:01,879 INFO L226 Difference]: Without dead ends: 255 [2020-07-18 05:15:01,879 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2020-07-18 05:15:01,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-07-18 05:15:02,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 159. [2020-07-18 05:15:02,254 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:02,254 INFO L82 GeneralOperation]: Start isEquivalent. First operand 255 states. Second operand 159 states. [2020-07-18 05:15:02,254 INFO L74 IsIncluded]: Start isIncluded. First operand 255 states. Second operand 159 states. [2020-07-18 05:15:02,254 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 159 states. [2020-07-18 05:15:02,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:02,264 INFO L93 Difference]: Finished difference Result 255 states and 272 transitions. [2020-07-18 05:15:02,265 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 272 transitions. [2020-07-18 05:15:02,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:02,266 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:02,266 INFO L74 IsIncluded]: Start isIncluded. First operand 159 states. Second operand 255 states. [2020-07-18 05:15:02,266 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 255 states. [2020-07-18 05:15:02,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:02,275 INFO L93 Difference]: Finished difference Result 255 states and 272 transitions. [2020-07-18 05:15:02,275 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 272 transitions. [2020-07-18 05:15:02,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:02,276 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:02,276 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:02,277 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:02,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-07-18 05:15:02,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 169 transitions. [2020-07-18 05:15:02,282 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 169 transitions. Word has length 26 [2020-07-18 05:15:02,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:02,282 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 169 transitions. [2020-07-18 05:15:02,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-18 05:15:02,283 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 159 states and 169 transitions. [2020-07-18 05:15:02,560 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 169 edges. 169 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:02,560 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2020-07-18 05:15:02,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-18 05:15:02,561 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:02,562 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] [2020-07-18 05:15:02,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 05:15:02,563 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:02,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:02,564 INFO L82 PathProgramCache]: Analyzing trace with hash 72562886, now seen corresponding path program 1 times [2020-07-18 05:15:02,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:02,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391889163] [2020-07-18 05:15:02,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:02,685 INFO L280 TraceCheckUtils]: 0: Hoare triple {4026#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {4016#true} is VALID [2020-07-18 05:15:02,686 INFO L280 TraceCheckUtils]: 1: Hoare triple {4016#true} #valid := #valid[0 := 0]; {4016#true} is VALID [2020-07-18 05:15:02,686 INFO L280 TraceCheckUtils]: 2: Hoare triple {4016#true} assume 0 < #StackHeapBarrier; {4016#true} is VALID [2020-07-18 05:15:02,686 INFO L280 TraceCheckUtils]: 3: Hoare triple {4016#true} assume true; {4016#true} is VALID [2020-07-18 05:15:02,687 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4016#true} {4016#true} #419#return; {4016#true} is VALID [2020-07-18 05:15:02,689 INFO L263 TraceCheckUtils]: 0: Hoare triple {4016#true} call ULTIMATE.init(); {4026#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:02,689 INFO L280 TraceCheckUtils]: 1: Hoare triple {4026#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {4016#true} is VALID [2020-07-18 05:15:02,689 INFO L280 TraceCheckUtils]: 2: Hoare triple {4016#true} #valid := #valid[0 := 0]; {4016#true} is VALID [2020-07-18 05:15:02,690 INFO L280 TraceCheckUtils]: 3: Hoare triple {4016#true} assume 0 < #StackHeapBarrier; {4016#true} is VALID [2020-07-18 05:15:02,690 INFO L280 TraceCheckUtils]: 4: Hoare triple {4016#true} assume true; {4016#true} is VALID [2020-07-18 05:15:02,691 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4016#true} {4016#true} #419#return; {4016#true} is VALID [2020-07-18 05:15:02,691 INFO L263 TraceCheckUtils]: 6: Hoare triple {4016#true} call #t~ret28 := main(); {4016#true} is VALID [2020-07-18 05:15:02,691 INFO L280 TraceCheckUtils]: 7: Hoare triple {4016#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {4016#true} is VALID [2020-07-18 05:15:02,692 INFO L280 TraceCheckUtils]: 8: Hoare triple {4016#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {4016#true} is VALID [2020-07-18 05:15:02,692 INFO L280 TraceCheckUtils]: 9: Hoare triple {4016#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {4016#true} is VALID [2020-07-18 05:15:02,692 INFO L280 TraceCheckUtils]: 10: Hoare triple {4016#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {4016#true} is VALID [2020-07-18 05:15:02,692 INFO L280 TraceCheckUtils]: 11: Hoare triple {4016#true} goto; {4016#true} is VALID [2020-07-18 05:15:02,692 INFO L280 TraceCheckUtils]: 12: Hoare triple {4016#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {4016#true} is VALID [2020-07-18 05:15:02,693 INFO L280 TraceCheckUtils]: 13: Hoare triple {4016#true} assume 0 != #t~nondet1; {4016#true} is VALID [2020-07-18 05:15:02,693 INFO L280 TraceCheckUtils]: 14: Hoare triple {4016#true} havoc #t~nondet1; {4016#true} is VALID [2020-07-18 05:15:02,694 INFO L280 TraceCheckUtils]: 15: Hoare triple {4016#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {4023#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:02,695 INFO L280 TraceCheckUtils]: 16: Hoare triple {4023#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {4024#(and (= 0 |main_#t~mem5.offset|) (= 0 |main_#t~mem5.base|))} is VALID [2020-07-18 05:15:02,695 INFO L280 TraceCheckUtils]: 17: Hoare triple {4024#(and (= 0 |main_#t~mem5.offset|) (= 0 |main_#t~mem5.base|))} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {4025#(not |main_#t~short7|)} is VALID [2020-07-18 05:15:02,696 INFO L280 TraceCheckUtils]: 18: Hoare triple {4025#(not |main_#t~short7|)} assume #t~short7; {4017#false} is VALID [2020-07-18 05:15:02,697 INFO L280 TraceCheckUtils]: 19: Hoare triple {4017#false} assume !!#t~short7; {4017#false} is VALID [2020-07-18 05:15:02,697 INFO L280 TraceCheckUtils]: 20: Hoare triple {4017#false} havoc #t~mem5.base, #t~mem5.offset; {4017#false} is VALID [2020-07-18 05:15:02,697 INFO L280 TraceCheckUtils]: 21: Hoare triple {4017#false} havoc #t~short7; {4017#false} is VALID [2020-07-18 05:15:02,697 INFO L280 TraceCheckUtils]: 22: Hoare triple {4017#false} havoc #t~mem6.base, #t~mem6.offset; {4017#false} is VALID [2020-07-18 05:15:02,698 INFO L280 TraceCheckUtils]: 23: Hoare triple {4017#false} goto; {4017#false} is VALID [2020-07-18 05:15:02,698 INFO L280 TraceCheckUtils]: 24: Hoare triple {4017#false} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {4017#false} is VALID [2020-07-18 05:15:02,698 INFO L280 TraceCheckUtils]: 25: Hoare triple {4017#false} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {4017#false} is VALID [2020-07-18 05:15:02,699 INFO L280 TraceCheckUtils]: 26: Hoare triple {4017#false} assume !(0 != #t~nondet8); {4017#false} is VALID [2020-07-18 05:15:02,699 INFO L280 TraceCheckUtils]: 27: Hoare triple {4017#false} havoc #t~nondet8; {4017#false} is VALID [2020-07-18 05:15:02,699 INFO L280 TraceCheckUtils]: 28: Hoare triple {4017#false} ~end~0.base, ~end~0.offset := 0, 0; {4017#false} is VALID [2020-07-18 05:15:02,700 INFO L280 TraceCheckUtils]: 29: Hoare triple {4017#false} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {4017#false} is VALID [2020-07-18 05:15:02,700 INFO L280 TraceCheckUtils]: 30: Hoare triple {4017#false} assume !(0 != ~end~0.base || 0 != ~end~0.offset); {4017#false} is VALID [2020-07-18 05:15:02,700 INFO L280 TraceCheckUtils]: 31: Hoare triple {4017#false} assume !false; {4017#false} is VALID [2020-07-18 05:15:02,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:15:02,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391889163] [2020-07-18 05:15:02,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:15:02,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 05:15:02,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941001899] [2020-07-18 05:15:02,704 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-07-18 05:15:02,704 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:02,704 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 05:15:02,746 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:02,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 05:15:02,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:02,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 05:15:02,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 05:15:02,747 INFO L87 Difference]: Start difference. First operand 159 states and 169 transitions. Second operand 6 states. [2020-07-18 05:15:04,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:04,657 INFO L93 Difference]: Finished difference Result 382 states and 407 transitions. [2020-07-18 05:15:04,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-18 05:15:04,657 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-07-18 05:15:04,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:04,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 05:15:04,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 407 transitions. [2020-07-18 05:15:04,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 05:15:04,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 407 transitions. [2020-07-18 05:15:04,668 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 407 transitions. [2020-07-18 05:15:05,128 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 407 edges. 407 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:05,135 INFO L225 Difference]: With dead ends: 382 [2020-07-18 05:15:05,135 INFO L226 Difference]: Without dead ends: 253 [2020-07-18 05:15:05,140 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-18 05:15:05,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-07-18 05:15:05,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 162. [2020-07-18 05:15:05,536 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:05,536 INFO L82 GeneralOperation]: Start isEquivalent. First operand 253 states. Second operand 162 states. [2020-07-18 05:15:05,536 INFO L74 IsIncluded]: Start isIncluded. First operand 253 states. Second operand 162 states. [2020-07-18 05:15:05,536 INFO L87 Difference]: Start difference. First operand 253 states. Second operand 162 states. [2020-07-18 05:15:05,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:05,545 INFO L93 Difference]: Finished difference Result 253 states and 269 transitions. [2020-07-18 05:15:05,545 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 269 transitions. [2020-07-18 05:15:05,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:05,546 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:05,546 INFO L74 IsIncluded]: Start isIncluded. First operand 162 states. Second operand 253 states. [2020-07-18 05:15:05,546 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 253 states. [2020-07-18 05:15:05,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:05,554 INFO L93 Difference]: Finished difference Result 253 states and 269 transitions. [2020-07-18 05:15:05,555 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 269 transitions. [2020-07-18 05:15:05,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:05,555 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:05,556 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:05,556 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:05,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-07-18 05:15:05,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 172 transitions. [2020-07-18 05:15:05,561 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 172 transitions. Word has length 32 [2020-07-18 05:15:05,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:05,563 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 172 transitions. [2020-07-18 05:15:05,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 05:15:05,563 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 162 states and 172 transitions. [2020-07-18 05:15:05,818 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 172 edges. 172 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:05,819 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 172 transitions. [2020-07-18 05:15:05,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-18 05:15:05,820 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:05,820 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] [2020-07-18 05:15:05,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-18 05:15:05,821 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:05,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:05,822 INFO L82 PathProgramCache]: Analyzing trace with hash 972027235, now seen corresponding path program 1 times [2020-07-18 05:15:05,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:05,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816002867] [2020-07-18 05:15:05,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:05,978 INFO L280 TraceCheckUtils]: 0: Hoare triple {5637#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {5627#true} is VALID [2020-07-18 05:15:05,979 INFO L280 TraceCheckUtils]: 1: Hoare triple {5627#true} #valid := #valid[0 := 0]; {5627#true} is VALID [2020-07-18 05:15:05,979 INFO L280 TraceCheckUtils]: 2: Hoare triple {5627#true} assume 0 < #StackHeapBarrier; {5627#true} is VALID [2020-07-18 05:15:05,979 INFO L280 TraceCheckUtils]: 3: Hoare triple {5627#true} assume true; {5627#true} is VALID [2020-07-18 05:15:05,979 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5627#true} {5627#true} #419#return; {5627#true} is VALID [2020-07-18 05:15:05,980 INFO L263 TraceCheckUtils]: 0: Hoare triple {5627#true} call ULTIMATE.init(); {5637#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:05,981 INFO L280 TraceCheckUtils]: 1: Hoare triple {5637#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {5627#true} is VALID [2020-07-18 05:15:05,981 INFO L280 TraceCheckUtils]: 2: Hoare triple {5627#true} #valid := #valid[0 := 0]; {5627#true} is VALID [2020-07-18 05:15:05,981 INFO L280 TraceCheckUtils]: 3: Hoare triple {5627#true} assume 0 < #StackHeapBarrier; {5627#true} is VALID [2020-07-18 05:15:05,981 INFO L280 TraceCheckUtils]: 4: Hoare triple {5627#true} assume true; {5627#true} is VALID [2020-07-18 05:15:05,982 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5627#true} {5627#true} #419#return; {5627#true} is VALID [2020-07-18 05:15:05,982 INFO L263 TraceCheckUtils]: 6: Hoare triple {5627#true} call #t~ret28 := main(); {5627#true} is VALID [2020-07-18 05:15:05,995 INFO L280 TraceCheckUtils]: 7: Hoare triple {5627#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {5634#(not (= 0 |main_#t~malloc0.base|))} is VALID [2020-07-18 05:15:05,999 INFO L280 TraceCheckUtils]: 8: Hoare triple {5634#(not (= 0 |main_#t~malloc0.base|))} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,004 INFO L280 TraceCheckUtils]: 9: Hoare triple {5635#(not (= 0 main_~list~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,004 INFO L280 TraceCheckUtils]: 10: Hoare triple {5635#(not (= 0 main_~list~0.base))} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,005 INFO L280 TraceCheckUtils]: 11: Hoare triple {5635#(not (= 0 main_~list~0.base))} goto; {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,006 INFO L280 TraceCheckUtils]: 12: Hoare triple {5635#(not (= 0 main_~list~0.base))} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,006 INFO L280 TraceCheckUtils]: 13: Hoare triple {5635#(not (= 0 main_~list~0.base))} assume 0 != #t~nondet1; {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,007 INFO L280 TraceCheckUtils]: 14: Hoare triple {5635#(not (= 0 main_~list~0.base))} havoc #t~nondet1; {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,007 INFO L280 TraceCheckUtils]: 15: Hoare triple {5635#(not (= 0 main_~list~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,008 INFO L280 TraceCheckUtils]: 16: Hoare triple {5635#(not (= 0 main_~list~0.base))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,009 INFO L280 TraceCheckUtils]: 17: Hoare triple {5635#(not (= 0 main_~list~0.base))} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,009 INFO L280 TraceCheckUtils]: 18: Hoare triple {5635#(not (= 0 main_~list~0.base))} assume !#t~short7; {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,010 INFO L280 TraceCheckUtils]: 19: Hoare triple {5635#(not (= 0 main_~list~0.base))} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-22 {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,010 INFO L280 TraceCheckUtils]: 20: Hoare triple {5635#(not (= 0 main_~list~0.base))} #t~short7 := #t~mem6.base == 0 && #t~mem6.offset == 0; {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,011 INFO L280 TraceCheckUtils]: 21: Hoare triple {5635#(not (= 0 main_~list~0.base))} assume !!#t~short7; {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,011 INFO L280 TraceCheckUtils]: 22: Hoare triple {5635#(not (= 0 main_~list~0.base))} havoc #t~mem5.base, #t~mem5.offset; {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,012 INFO L280 TraceCheckUtils]: 23: Hoare triple {5635#(not (= 0 main_~list~0.base))} havoc #t~short7; {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,013 INFO L280 TraceCheckUtils]: 24: Hoare triple {5635#(not (= 0 main_~list~0.base))} havoc #t~mem6.base, #t~mem6.offset; {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,013 INFO L280 TraceCheckUtils]: 25: Hoare triple {5635#(not (= 0 main_~list~0.base))} goto; {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,014 INFO L280 TraceCheckUtils]: 26: Hoare triple {5635#(not (= 0 main_~list~0.base))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,014 INFO L280 TraceCheckUtils]: 27: Hoare triple {5635#(not (= 0 main_~list~0.base))} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,015 INFO L280 TraceCheckUtils]: 28: Hoare triple {5635#(not (= 0 main_~list~0.base))} assume !(0 != #t~nondet8); {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,015 INFO L280 TraceCheckUtils]: 29: Hoare triple {5635#(not (= 0 main_~list~0.base))} havoc #t~nondet8; {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,016 INFO L280 TraceCheckUtils]: 30: Hoare triple {5635#(not (= 0 main_~list~0.base))} ~end~0.base, ~end~0.offset := 0, 0; {5635#(not (= 0 main_~list~0.base))} is VALID [2020-07-18 05:15:06,017 INFO L280 TraceCheckUtils]: 31: Hoare triple {5635#(not (= 0 main_~list~0.base))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {5636#(not (= 0 main_~end~0.base))} is VALID [2020-07-18 05:15:06,017 INFO L280 TraceCheckUtils]: 32: Hoare triple {5636#(not (= 0 main_~end~0.base))} assume !(0 != ~end~0.base || 0 != ~end~0.offset); {5628#false} is VALID [2020-07-18 05:15:06,017 INFO L280 TraceCheckUtils]: 33: Hoare triple {5628#false} assume !false; {5628#false} is VALID [2020-07-18 05:15:06,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:15:06,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [816002867] [2020-07-18 05:15:06,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:15:06,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 05:15:06,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640148321] [2020-07-18 05:15:06,022 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-18 05:15:06,023 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:06,023 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 05:15:06,057 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:06,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 05:15:06,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:06,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 05:15:06,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 05:15:06,057 INFO L87 Difference]: Start difference. First operand 162 states and 172 transitions. Second operand 6 states. [2020-07-18 05:15:07,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:07,612 INFO L93 Difference]: Finished difference Result 271 states and 288 transitions. [2020-07-18 05:15:07,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-18 05:15:07,612 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-18 05:15:07,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:07,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 05:15:07,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 285 transitions. [2020-07-18 05:15:07,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 05:15:07,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 285 transitions. [2020-07-18 05:15:07,631 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 285 transitions. [2020-07-18 05:15:07,975 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 285 edges. 285 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:07,981 INFO L225 Difference]: With dead ends: 271 [2020-07-18 05:15:07,981 INFO L226 Difference]: Without dead ends: 239 [2020-07-18 05:15:07,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-07-18 05:15:07,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-07-18 05:15:08,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 161. [2020-07-18 05:15:08,412 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:08,412 INFO L82 GeneralOperation]: Start isEquivalent. First operand 239 states. Second operand 161 states. [2020-07-18 05:15:08,412 INFO L74 IsIncluded]: Start isIncluded. First operand 239 states. Second operand 161 states. [2020-07-18 05:15:08,413 INFO L87 Difference]: Start difference. First operand 239 states. Second operand 161 states. [2020-07-18 05:15:08,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:08,428 INFO L93 Difference]: Finished difference Result 239 states and 254 transitions. [2020-07-18 05:15:08,428 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 254 transitions. [2020-07-18 05:15:08,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:08,429 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:08,429 INFO L74 IsIncluded]: Start isIncluded. First operand 161 states. Second operand 239 states. [2020-07-18 05:15:08,430 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 239 states. [2020-07-18 05:15:08,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:08,438 INFO L93 Difference]: Finished difference Result 239 states and 254 transitions. [2020-07-18 05:15:08,438 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 254 transitions. [2020-07-18 05:15:08,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:08,439 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:08,439 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:08,439 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:08,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-07-18 05:15:08,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 171 transitions. [2020-07-18 05:15:08,445 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 171 transitions. Word has length 34 [2020-07-18 05:15:08,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:08,445 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 171 transitions. [2020-07-18 05:15:08,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 05:15:08,445 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 161 states and 171 transitions. [2020-07-18 05:15:08,755 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 171 edges. 171 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:08,756 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 171 transitions. [2020-07-18 05:15:08,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-18 05:15:08,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:08,757 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:15:08,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-18 05:15:08,758 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:08,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:08,758 INFO L82 PathProgramCache]: Analyzing trace with hash -401575995, now seen corresponding path program 1 times [2020-07-18 05:15:08,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:08,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821468001] [2020-07-18 05:15:08,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:08,885 INFO L280 TraceCheckUtils]: 0: Hoare triple {6997#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {6986#true} is VALID [2020-07-18 05:15:08,886 INFO L280 TraceCheckUtils]: 1: Hoare triple {6986#true} #valid := #valid[0 := 0]; {6986#true} is VALID [2020-07-18 05:15:08,886 INFO L280 TraceCheckUtils]: 2: Hoare triple {6986#true} assume 0 < #StackHeapBarrier; {6986#true} is VALID [2020-07-18 05:15:08,886 INFO L280 TraceCheckUtils]: 3: Hoare triple {6986#true} assume true; {6986#true} is VALID [2020-07-18 05:15:08,887 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6986#true} {6986#true} #419#return; {6986#true} is VALID [2020-07-18 05:15:08,888 INFO L263 TraceCheckUtils]: 0: Hoare triple {6986#true} call ULTIMATE.init(); {6997#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:08,888 INFO L280 TraceCheckUtils]: 1: Hoare triple {6997#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {6986#true} is VALID [2020-07-18 05:15:08,888 INFO L280 TraceCheckUtils]: 2: Hoare triple {6986#true} #valid := #valid[0 := 0]; {6986#true} is VALID [2020-07-18 05:15:08,888 INFO L280 TraceCheckUtils]: 3: Hoare triple {6986#true} assume 0 < #StackHeapBarrier; {6986#true} is VALID [2020-07-18 05:15:08,889 INFO L280 TraceCheckUtils]: 4: Hoare triple {6986#true} assume true; {6986#true} is VALID [2020-07-18 05:15:08,889 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6986#true} {6986#true} #419#return; {6986#true} is VALID [2020-07-18 05:15:08,889 INFO L263 TraceCheckUtils]: 6: Hoare triple {6986#true} call #t~ret28 := main(); {6986#true} is VALID [2020-07-18 05:15:08,889 INFO L280 TraceCheckUtils]: 7: Hoare triple {6986#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {6986#true} is VALID [2020-07-18 05:15:08,890 INFO L280 TraceCheckUtils]: 8: Hoare triple {6986#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {6986#true} is VALID [2020-07-18 05:15:08,890 INFO L280 TraceCheckUtils]: 9: Hoare triple {6986#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {6986#true} is VALID [2020-07-18 05:15:08,890 INFO L280 TraceCheckUtils]: 10: Hoare triple {6986#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {6986#true} is VALID [2020-07-18 05:15:08,890 INFO L280 TraceCheckUtils]: 11: Hoare triple {6986#true} goto; {6986#true} is VALID [2020-07-18 05:15:08,890 INFO L280 TraceCheckUtils]: 12: Hoare triple {6986#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {6986#true} is VALID [2020-07-18 05:15:08,891 INFO L280 TraceCheckUtils]: 13: Hoare triple {6986#true} assume 0 != #t~nondet1; {6986#true} is VALID [2020-07-18 05:15:08,891 INFO L280 TraceCheckUtils]: 14: Hoare triple {6986#true} havoc #t~nondet1; {6986#true} is VALID [2020-07-18 05:15:08,891 INFO L280 TraceCheckUtils]: 15: Hoare triple {6986#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {6986#true} is VALID [2020-07-18 05:15:08,891 INFO L280 TraceCheckUtils]: 16: Hoare triple {6986#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {6986#true} is VALID [2020-07-18 05:15:08,892 INFO L280 TraceCheckUtils]: 17: Hoare triple {6986#true} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {6986#true} is VALID [2020-07-18 05:15:08,892 INFO L280 TraceCheckUtils]: 18: Hoare triple {6986#true} assume !#t~short7; {6986#true} is VALID [2020-07-18 05:15:08,892 INFO L280 TraceCheckUtils]: 19: Hoare triple {6986#true} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-22 {6986#true} is VALID [2020-07-18 05:15:08,892 INFO L280 TraceCheckUtils]: 20: Hoare triple {6986#true} #t~short7 := #t~mem6.base == 0 && #t~mem6.offset == 0; {6986#true} is VALID [2020-07-18 05:15:08,893 INFO L280 TraceCheckUtils]: 21: Hoare triple {6986#true} assume !!#t~short7; {6986#true} is VALID [2020-07-18 05:15:08,893 INFO L280 TraceCheckUtils]: 22: Hoare triple {6986#true} havoc #t~mem5.base, #t~mem5.offset; {6986#true} is VALID [2020-07-18 05:15:08,893 INFO L280 TraceCheckUtils]: 23: Hoare triple {6986#true} havoc #t~short7; {6986#true} is VALID [2020-07-18 05:15:08,893 INFO L280 TraceCheckUtils]: 24: Hoare triple {6986#true} havoc #t~mem6.base, #t~mem6.offset; {6986#true} is VALID [2020-07-18 05:15:08,893 INFO L280 TraceCheckUtils]: 25: Hoare triple {6986#true} goto; {6986#true} is VALID [2020-07-18 05:15:08,894 INFO L280 TraceCheckUtils]: 26: Hoare triple {6986#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {6986#true} is VALID [2020-07-18 05:15:08,894 INFO L280 TraceCheckUtils]: 27: Hoare triple {6986#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {6986#true} is VALID [2020-07-18 05:15:08,894 INFO L280 TraceCheckUtils]: 28: Hoare triple {6986#true} assume !!(0 != #t~nondet8); {6986#true} is VALID [2020-07-18 05:15:08,894 INFO L280 TraceCheckUtils]: 29: Hoare triple {6986#true} havoc #t~nondet8; {6986#true} is VALID [2020-07-18 05:15:08,895 INFO L280 TraceCheckUtils]: 30: Hoare triple {6986#true} SUMMARY for call #t~malloc9.base, #t~malloc9.offset := #Ultimate.allocOnHeap(8); srcloc: L1001 {6993#(not (= 0 |main_#t~malloc9.base|))} is VALID [2020-07-18 05:15:08,896 INFO L280 TraceCheckUtils]: 31: Hoare triple {6993#(not (= 0 |main_#t~malloc9.base|))} SUMMARY for call write~$Pointer$(#t~malloc9.base, #t~malloc9.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1001-1 {6994#(not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:15:08,897 INFO L280 TraceCheckUtils]: 32: Hoare triple {6994#(not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} SUMMARY for call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1001-2 {6995#(not (= 0 |main_#t~mem10.base|))} is VALID [2020-07-18 05:15:08,898 INFO L280 TraceCheckUtils]: 33: Hoare triple {6995#(not (= 0 |main_#t~mem10.base|))} ~end~0.base, ~end~0.offset := #t~mem10.base, #t~mem10.offset; {6996#(not (= 0 main_~end~0.base))} is VALID [2020-07-18 05:15:08,898 INFO L280 TraceCheckUtils]: 34: Hoare triple {6996#(not (= 0 main_~end~0.base))} havoc #t~mem10.base, #t~mem10.offset; {6996#(not (= 0 main_~end~0.base))} is VALID [2020-07-18 05:15:08,899 INFO L280 TraceCheckUtils]: 35: Hoare triple {6996#(not (= 0 main_~end~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~end~0.base, ~end~0.offset, 4); srcloc: L1003 {6996#(not (= 0 main_~end~0.base))} is VALID [2020-07-18 05:15:08,900 INFO L280 TraceCheckUtils]: 36: Hoare triple {6996#(not (= 0 main_~end~0.base))} assume !(0 != ~end~0.base || 0 != ~end~0.offset); {6987#false} is VALID [2020-07-18 05:15:08,900 INFO L280 TraceCheckUtils]: 37: Hoare triple {6987#false} assume !false; {6987#false} is VALID [2020-07-18 05:15:08,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:15:08,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821468001] [2020-07-18 05:15:08,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:15:08,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-18 05:15:08,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569744158] [2020-07-18 05:15:08,903 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2020-07-18 05:15:08,903 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:08,903 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 05:15:08,948 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:08,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 05:15:08,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:08,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 05:15:08,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-18 05:15:08,949 INFO L87 Difference]: Start difference. First operand 161 states and 171 transitions. Second operand 7 states. [2020-07-18 05:15:11,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:11,132 INFO L93 Difference]: Finished difference Result 245 states and 261 transitions. [2020-07-18 05:15:11,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-18 05:15:11,132 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2020-07-18 05:15:11,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:11,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 05:15:11,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 256 transitions. [2020-07-18 05:15:11,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 05:15:11,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 256 transitions. [2020-07-18 05:15:11,137 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 256 transitions. [2020-07-18 05:15:11,430 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 256 edges. 256 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:11,435 INFO L225 Difference]: With dead ends: 245 [2020-07-18 05:15:11,435 INFO L226 Difference]: Without dead ends: 241 [2020-07-18 05:15:11,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-07-18 05:15:11,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-07-18 05:15:11,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 157. [2020-07-18 05:15:11,909 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:11,910 INFO L82 GeneralOperation]: Start isEquivalent. First operand 241 states. Second operand 157 states. [2020-07-18 05:15:11,910 INFO L74 IsIncluded]: Start isIncluded. First operand 241 states. Second operand 157 states. [2020-07-18 05:15:11,910 INFO L87 Difference]: Start difference. First operand 241 states. Second operand 157 states. [2020-07-18 05:15:11,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:11,916 INFO L93 Difference]: Finished difference Result 241 states and 257 transitions. [2020-07-18 05:15:11,916 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 257 transitions. [2020-07-18 05:15:11,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:11,917 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:11,917 INFO L74 IsIncluded]: Start isIncluded. First operand 157 states. Second operand 241 states. [2020-07-18 05:15:11,917 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 241 states. [2020-07-18 05:15:11,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:11,923 INFO L93 Difference]: Finished difference Result 241 states and 257 transitions. [2020-07-18 05:15:11,923 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 257 transitions. [2020-07-18 05:15:11,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:11,924 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:11,924 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:11,924 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:11,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-07-18 05:15:11,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 167 transitions. [2020-07-18 05:15:11,927 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 167 transitions. Word has length 38 [2020-07-18 05:15:11,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:11,928 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 167 transitions. [2020-07-18 05:15:11,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 05:15:11,928 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 157 states and 167 transitions. [2020-07-18 05:15:12,240 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:12,240 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 167 transitions. [2020-07-18 05:15:12,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-07-18 05:15:12,241 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:12,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:15:12,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-18 05:15:12,242 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:12,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:12,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1938604912, now seen corresponding path program 1 times [2020-07-18 05:15:12,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:12,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [557456595] [2020-07-18 05:15:12,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:12,305 INFO L280 TraceCheckUtils]: 0: Hoare triple {8307#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {8299#true} is VALID [2020-07-18 05:15:12,306 INFO L280 TraceCheckUtils]: 1: Hoare triple {8299#true} #valid := #valid[0 := 0]; {8299#true} is VALID [2020-07-18 05:15:12,306 INFO L280 TraceCheckUtils]: 2: Hoare triple {8299#true} assume 0 < #StackHeapBarrier; {8299#true} is VALID [2020-07-18 05:15:12,306 INFO L280 TraceCheckUtils]: 3: Hoare triple {8299#true} assume true; {8299#true} is VALID [2020-07-18 05:15:12,306 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8299#true} {8299#true} #419#return; {8299#true} is VALID [2020-07-18 05:15:12,307 INFO L263 TraceCheckUtils]: 0: Hoare triple {8299#true} call ULTIMATE.init(); {8307#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:12,307 INFO L280 TraceCheckUtils]: 1: Hoare triple {8307#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {8299#true} is VALID [2020-07-18 05:15:12,308 INFO L280 TraceCheckUtils]: 2: Hoare triple {8299#true} #valid := #valid[0 := 0]; {8299#true} is VALID [2020-07-18 05:15:12,308 INFO L280 TraceCheckUtils]: 3: Hoare triple {8299#true} assume 0 < #StackHeapBarrier; {8299#true} is VALID [2020-07-18 05:15:12,308 INFO L280 TraceCheckUtils]: 4: Hoare triple {8299#true} assume true; {8299#true} is VALID [2020-07-18 05:15:12,308 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8299#true} {8299#true} #419#return; {8299#true} is VALID [2020-07-18 05:15:12,309 INFO L263 TraceCheckUtils]: 6: Hoare triple {8299#true} call #t~ret28 := main(); {8299#true} is VALID [2020-07-18 05:15:12,309 INFO L280 TraceCheckUtils]: 7: Hoare triple {8299#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {8299#true} is VALID [2020-07-18 05:15:12,309 INFO L280 TraceCheckUtils]: 8: Hoare triple {8299#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {8299#true} is VALID [2020-07-18 05:15:12,309 INFO L280 TraceCheckUtils]: 9: Hoare triple {8299#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {8299#true} is VALID [2020-07-18 05:15:12,309 INFO L280 TraceCheckUtils]: 10: Hoare triple {8299#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {8299#true} is VALID [2020-07-18 05:15:12,310 INFO L280 TraceCheckUtils]: 11: Hoare triple {8299#true} goto; {8299#true} is VALID [2020-07-18 05:15:12,310 INFO L280 TraceCheckUtils]: 12: Hoare triple {8299#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {8299#true} is VALID [2020-07-18 05:15:12,310 INFO L280 TraceCheckUtils]: 13: Hoare triple {8299#true} assume 0 != #t~nondet1; {8299#true} is VALID [2020-07-18 05:15:12,316 INFO L280 TraceCheckUtils]: 14: Hoare triple {8299#true} havoc #t~nondet1; {8299#true} is VALID [2020-07-18 05:15:12,316 INFO L280 TraceCheckUtils]: 15: Hoare triple {8299#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {8299#true} is VALID [2020-07-18 05:15:12,317 INFO L280 TraceCheckUtils]: 16: Hoare triple {8299#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {8299#true} is VALID [2020-07-18 05:15:12,317 INFO L280 TraceCheckUtils]: 17: Hoare triple {8299#true} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {8299#true} is VALID [2020-07-18 05:15:12,317 INFO L280 TraceCheckUtils]: 18: Hoare triple {8299#true} assume !#t~short7; {8299#true} is VALID [2020-07-18 05:15:12,317 INFO L280 TraceCheckUtils]: 19: Hoare triple {8299#true} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-22 {8299#true} is VALID [2020-07-18 05:15:12,318 INFO L280 TraceCheckUtils]: 20: Hoare triple {8299#true} #t~short7 := #t~mem6.base == 0 && #t~mem6.offset == 0; {8299#true} is VALID [2020-07-18 05:15:12,318 INFO L280 TraceCheckUtils]: 21: Hoare triple {8299#true} assume !!#t~short7; {8299#true} is VALID [2020-07-18 05:15:12,318 INFO L280 TraceCheckUtils]: 22: Hoare triple {8299#true} havoc #t~mem5.base, #t~mem5.offset; {8299#true} is VALID [2020-07-18 05:15:12,318 INFO L280 TraceCheckUtils]: 23: Hoare triple {8299#true} havoc #t~short7; {8299#true} is VALID [2020-07-18 05:15:12,318 INFO L280 TraceCheckUtils]: 24: Hoare triple {8299#true} havoc #t~mem6.base, #t~mem6.offset; {8299#true} is VALID [2020-07-18 05:15:12,319 INFO L280 TraceCheckUtils]: 25: Hoare triple {8299#true} goto; {8299#true} is VALID [2020-07-18 05:15:12,319 INFO L280 TraceCheckUtils]: 26: Hoare triple {8299#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {8299#true} is VALID [2020-07-18 05:15:12,319 INFO L280 TraceCheckUtils]: 27: Hoare triple {8299#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {8299#true} is VALID [2020-07-18 05:15:12,319 INFO L280 TraceCheckUtils]: 28: Hoare triple {8299#true} assume !(0 != #t~nondet8); {8299#true} is VALID [2020-07-18 05:15:12,320 INFO L280 TraceCheckUtils]: 29: Hoare triple {8299#true} havoc #t~nondet8; {8299#true} is VALID [2020-07-18 05:15:12,320 INFO L280 TraceCheckUtils]: 30: Hoare triple {8299#true} ~end~0.base, ~end~0.offset := 0, 0; {8299#true} is VALID [2020-07-18 05:15:12,320 INFO L280 TraceCheckUtils]: 31: Hoare triple {8299#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {8299#true} is VALID [2020-07-18 05:15:12,320 INFO L280 TraceCheckUtils]: 32: Hoare triple {8299#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {8299#true} is VALID [2020-07-18 05:15:12,321 INFO L280 TraceCheckUtils]: 33: Hoare triple {8299#true} goto; {8299#true} is VALID [2020-07-18 05:15:12,321 INFO L280 TraceCheckUtils]: 34: Hoare triple {8299#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {8299#true} is VALID [2020-07-18 05:15:12,322 INFO L280 TraceCheckUtils]: 35: Hoare triple {8299#true} ~len~0 := 0; {8306#(= 0 main_~len~0)} is VALID [2020-07-18 05:15:12,322 INFO L280 TraceCheckUtils]: 36: Hoare triple {8306#(= 0 main_~len~0)} SUMMARY for call #t~mem18.base, #t~mem18.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1017 {8306#(= 0 main_~len~0)} is VALID [2020-07-18 05:15:12,322 INFO L280 TraceCheckUtils]: 37: Hoare triple {8306#(= 0 main_~len~0)} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {8306#(= 0 main_~len~0)} is VALID [2020-07-18 05:15:12,323 INFO L280 TraceCheckUtils]: 38: Hoare triple {8306#(= 0 main_~len~0)} havoc #t~mem18.base, #t~mem18.offset; {8306#(= 0 main_~len~0)} is VALID [2020-07-18 05:15:12,323 INFO L280 TraceCheckUtils]: 39: Hoare triple {8306#(= 0 main_~len~0)} assume !(0 != ~inner~0.base || 0 != ~inner~0.offset); {8306#(= 0 main_~len~0)} is VALID [2020-07-18 05:15:12,324 INFO L280 TraceCheckUtils]: 40: Hoare triple {8306#(= 0 main_~len~0)} assume !(~len~0 <= 1); {8300#false} is VALID [2020-07-18 05:15:12,324 INFO L280 TraceCheckUtils]: 41: Hoare triple {8300#false} assume !false; {8300#false} is VALID [2020-07-18 05:15:12,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:15:12,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [557456595] [2020-07-18 05:15:12,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:15:12,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 05:15:12,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886659314] [2020-07-18 05:15:12,327 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-07-18 05:15:12,327 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:12,327 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 05:15:12,374 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:12,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 05:15:12,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:12,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 05:15:12,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 05:15:12,375 INFO L87 Difference]: Start difference. First operand 157 states and 167 transitions. Second operand 4 states. [2020-07-18 05:15:13,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:13,547 INFO L93 Difference]: Finished difference Result 267 states and 287 transitions. [2020-07-18 05:15:13,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 05:15:13,547 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-07-18 05:15:13,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:13,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 05:15:13,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 283 transitions. [2020-07-18 05:15:13,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 05:15:13,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 283 transitions. [2020-07-18 05:15:13,552 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 283 transitions. [2020-07-18 05:15:13,841 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 283 edges. 283 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:13,848 INFO L225 Difference]: With dead ends: 267 [2020-07-18 05:15:13,848 INFO L226 Difference]: Without dead ends: 196 [2020-07-18 05:15:13,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 05:15:13,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-07-18 05:15:14,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 160. [2020-07-18 05:15:14,319 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:14,319 INFO L82 GeneralOperation]: Start isEquivalent. First operand 196 states. Second operand 160 states. [2020-07-18 05:15:14,319 INFO L74 IsIncluded]: Start isIncluded. First operand 196 states. Second operand 160 states. [2020-07-18 05:15:14,319 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 160 states. [2020-07-18 05:15:14,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:14,324 INFO L93 Difference]: Finished difference Result 196 states and 209 transitions. [2020-07-18 05:15:14,324 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 209 transitions. [2020-07-18 05:15:14,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:14,325 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:14,325 INFO L74 IsIncluded]: Start isIncluded. First operand 160 states. Second operand 196 states. [2020-07-18 05:15:14,325 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 196 states. [2020-07-18 05:15:14,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:14,330 INFO L93 Difference]: Finished difference Result 196 states and 209 transitions. [2020-07-18 05:15:14,330 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 209 transitions. [2020-07-18 05:15:14,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:14,331 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:14,331 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:14,331 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:14,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-18 05:15:14,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 171 transitions. [2020-07-18 05:15:14,335 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 171 transitions. Word has length 42 [2020-07-18 05:15:14,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:14,335 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 171 transitions. [2020-07-18 05:15:14,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 05:15:14,335 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 160 states and 171 transitions. [2020-07-18 05:15:14,643 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 171 edges. 171 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:14,643 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 171 transitions. [2020-07-18 05:15:14,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-07-18 05:15:14,644 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:14,644 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:15:14,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-18 05:15:14,645 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:14,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:14,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1017153069, now seen corresponding path program 1 times [2020-07-18 05:15:14,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:14,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1364343835] [2020-07-18 05:15:14,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:14,749 INFO L280 TraceCheckUtils]: 0: Hoare triple {9564#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {9556#true} is VALID [2020-07-18 05:15:14,749 INFO L280 TraceCheckUtils]: 1: Hoare triple {9556#true} #valid := #valid[0 := 0]; {9556#true} is VALID [2020-07-18 05:15:14,749 INFO L280 TraceCheckUtils]: 2: Hoare triple {9556#true} assume 0 < #StackHeapBarrier; {9556#true} is VALID [2020-07-18 05:15:14,749 INFO L280 TraceCheckUtils]: 3: Hoare triple {9556#true} assume true; {9556#true} is VALID [2020-07-18 05:15:14,750 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {9556#true} {9556#true} #419#return; {9556#true} is VALID [2020-07-18 05:15:14,751 INFO L263 TraceCheckUtils]: 0: Hoare triple {9556#true} call ULTIMATE.init(); {9564#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:14,751 INFO L280 TraceCheckUtils]: 1: Hoare triple {9564#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {9556#true} is VALID [2020-07-18 05:15:14,751 INFO L280 TraceCheckUtils]: 2: Hoare triple {9556#true} #valid := #valid[0 := 0]; {9556#true} is VALID [2020-07-18 05:15:14,751 INFO L280 TraceCheckUtils]: 3: Hoare triple {9556#true} assume 0 < #StackHeapBarrier; {9556#true} is VALID [2020-07-18 05:15:14,752 INFO L280 TraceCheckUtils]: 4: Hoare triple {9556#true} assume true; {9556#true} is VALID [2020-07-18 05:15:14,752 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {9556#true} {9556#true} #419#return; {9556#true} is VALID [2020-07-18 05:15:14,752 INFO L263 TraceCheckUtils]: 6: Hoare triple {9556#true} call #t~ret28 := main(); {9556#true} is VALID [2020-07-18 05:15:14,752 INFO L280 TraceCheckUtils]: 7: Hoare triple {9556#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {9556#true} is VALID [2020-07-18 05:15:14,753 INFO L280 TraceCheckUtils]: 8: Hoare triple {9556#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {9556#true} is VALID [2020-07-18 05:15:14,753 INFO L280 TraceCheckUtils]: 9: Hoare triple {9556#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {9556#true} is VALID [2020-07-18 05:15:14,753 INFO L280 TraceCheckUtils]: 10: Hoare triple {9556#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {9556#true} is VALID [2020-07-18 05:15:14,754 INFO L280 TraceCheckUtils]: 11: Hoare triple {9556#true} goto; {9556#true} is VALID [2020-07-18 05:15:14,754 INFO L280 TraceCheckUtils]: 12: Hoare triple {9556#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {9556#true} is VALID [2020-07-18 05:15:14,755 INFO L280 TraceCheckUtils]: 13: Hoare triple {9556#true} assume 0 != #t~nondet1; {9556#true} is VALID [2020-07-18 05:15:14,755 INFO L280 TraceCheckUtils]: 14: Hoare triple {9556#true} havoc #t~nondet1; {9556#true} is VALID [2020-07-18 05:15:14,755 INFO L280 TraceCheckUtils]: 15: Hoare triple {9556#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {9556#true} is VALID [2020-07-18 05:15:14,755 INFO L280 TraceCheckUtils]: 16: Hoare triple {9556#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {9556#true} is VALID [2020-07-18 05:15:14,755 INFO L280 TraceCheckUtils]: 17: Hoare triple {9556#true} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {9556#true} is VALID [2020-07-18 05:15:14,756 INFO L280 TraceCheckUtils]: 18: Hoare triple {9556#true} assume !#t~short7; {9556#true} is VALID [2020-07-18 05:15:14,756 INFO L280 TraceCheckUtils]: 19: Hoare triple {9556#true} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-22 {9556#true} is VALID [2020-07-18 05:15:14,756 INFO L280 TraceCheckUtils]: 20: Hoare triple {9556#true} #t~short7 := #t~mem6.base == 0 && #t~mem6.offset == 0; {9556#true} is VALID [2020-07-18 05:15:14,756 INFO L280 TraceCheckUtils]: 21: Hoare triple {9556#true} assume !!#t~short7; {9556#true} is VALID [2020-07-18 05:15:14,757 INFO L280 TraceCheckUtils]: 22: Hoare triple {9556#true} havoc #t~mem5.base, #t~mem5.offset; {9556#true} is VALID [2020-07-18 05:15:14,757 INFO L280 TraceCheckUtils]: 23: Hoare triple {9556#true} havoc #t~short7; {9556#true} is VALID [2020-07-18 05:15:14,758 INFO L280 TraceCheckUtils]: 24: Hoare triple {9556#true} havoc #t~mem6.base, #t~mem6.offset; {9556#true} is VALID [2020-07-18 05:15:14,758 INFO L280 TraceCheckUtils]: 25: Hoare triple {9556#true} goto; {9556#true} is VALID [2020-07-18 05:15:14,758 INFO L280 TraceCheckUtils]: 26: Hoare triple {9556#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {9556#true} is VALID [2020-07-18 05:15:14,758 INFO L280 TraceCheckUtils]: 27: Hoare triple {9556#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {9556#true} is VALID [2020-07-18 05:15:14,759 INFO L280 TraceCheckUtils]: 28: Hoare triple {9556#true} assume !(0 != #t~nondet8); {9556#true} is VALID [2020-07-18 05:15:14,759 INFO L280 TraceCheckUtils]: 29: Hoare triple {9556#true} havoc #t~nondet8; {9556#true} is VALID [2020-07-18 05:15:14,759 INFO L280 TraceCheckUtils]: 30: Hoare triple {9556#true} ~end~0.base, ~end~0.offset := 0, 0; {9556#true} is VALID [2020-07-18 05:15:14,759 INFO L280 TraceCheckUtils]: 31: Hoare triple {9556#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {9556#true} is VALID [2020-07-18 05:15:14,760 INFO L280 TraceCheckUtils]: 32: Hoare triple {9556#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {9556#true} is VALID [2020-07-18 05:15:14,760 INFO L280 TraceCheckUtils]: 33: Hoare triple {9556#true} goto; {9556#true} is VALID [2020-07-18 05:15:14,760 INFO L280 TraceCheckUtils]: 34: Hoare triple {9556#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {9556#true} is VALID [2020-07-18 05:15:14,760 INFO L280 TraceCheckUtils]: 35: Hoare triple {9556#true} ~len~0 := 0; {9556#true} is VALID [2020-07-18 05:15:14,760 INFO L280 TraceCheckUtils]: 36: Hoare triple {9556#true} SUMMARY for call #t~mem18.base, #t~mem18.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1017 {9556#true} is VALID [2020-07-18 05:15:14,761 INFO L280 TraceCheckUtils]: 37: Hoare triple {9556#true} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {9556#true} is VALID [2020-07-18 05:15:14,761 INFO L280 TraceCheckUtils]: 38: Hoare triple {9556#true} havoc #t~mem18.base, #t~mem18.offset; {9556#true} is VALID [2020-07-18 05:15:14,762 INFO L280 TraceCheckUtils]: 39: Hoare triple {9556#true} assume !!(0 != ~inner~0.base || 0 != ~inner~0.offset); {9563#(or (not (= 0 main_~inner~0.base)) (not (= 0 main_~inner~0.offset)))} is VALID [2020-07-18 05:15:14,762 INFO L280 TraceCheckUtils]: 40: Hoare triple {9563#(or (not (= 0 main_~inner~0.base)) (not (= 0 main_~inner~0.offset)))} assume 0 == ~len~0; {9563#(or (not (= 0 main_~inner~0.base)) (not (= 0 main_~inner~0.offset)))} is VALID [2020-07-18 05:15:14,763 INFO L280 TraceCheckUtils]: 41: Hoare triple {9563#(or (not (= 0 main_~inner~0.base)) (not (= 0 main_~inner~0.offset)))} ~len~0 := 1; {9563#(or (not (= 0 main_~inner~0.base)) (not (= 0 main_~inner~0.offset)))} is VALID [2020-07-18 05:15:14,763 INFO L280 TraceCheckUtils]: 42: Hoare triple {9563#(or (not (= 0 main_~inner~0.base)) (not (= 0 main_~inner~0.offset)))} assume !(0 != ~inner~0.base || 0 != ~inner~0.offset); {9557#false} is VALID [2020-07-18 05:15:14,764 INFO L280 TraceCheckUtils]: 43: Hoare triple {9557#false} assume !false; {9557#false} is VALID [2020-07-18 05:15:14,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:15:14,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1364343835] [2020-07-18 05:15:14,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:15:14,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 05:15:14,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46797118] [2020-07-18 05:15:14,767 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-07-18 05:15:14,767 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:14,767 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 05:15:14,820 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:14,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 05:15:14,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:14,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 05:15:14,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 05:15:14,821 INFO L87 Difference]: Start difference. First operand 160 states and 171 transitions. Second operand 4 states. [2020-07-18 05:15:15,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:15,795 INFO L93 Difference]: Finished difference Result 160 states and 171 transitions. [2020-07-18 05:15:15,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 05:15:15,795 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-07-18 05:15:15,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:15,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 05:15:15,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 163 transitions. [2020-07-18 05:15:15,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 05:15:15,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 163 transitions. [2020-07-18 05:15:15,799 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 163 transitions. [2020-07-18 05:15:15,986 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 163 edges. 163 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:15,989 INFO L225 Difference]: With dead ends: 160 [2020-07-18 05:15:15,989 INFO L226 Difference]: Without dead ends: 158 [2020-07-18 05:15:15,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 05:15:15,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-18 05:15:16,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-07-18 05:15:16,495 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:16,496 INFO L82 GeneralOperation]: Start isEquivalent. First operand 158 states. Second operand 158 states. [2020-07-18 05:15:16,496 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 158 states. [2020-07-18 05:15:16,496 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 158 states. [2020-07-18 05:15:16,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:16,500 INFO L93 Difference]: Finished difference Result 158 states and 169 transitions. [2020-07-18 05:15:16,501 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 169 transitions. [2020-07-18 05:15:16,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:16,501 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:16,501 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 158 states. [2020-07-18 05:15:16,502 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 158 states. [2020-07-18 05:15:16,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:16,505 INFO L93 Difference]: Finished difference Result 158 states and 169 transitions. [2020-07-18 05:15:16,505 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 169 transitions. [2020-07-18 05:15:16,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:16,506 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:16,506 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:16,506 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:16,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-07-18 05:15:16,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 169 transitions. [2020-07-18 05:15:16,509 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 169 transitions. Word has length 44 [2020-07-18 05:15:16,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:16,509 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 169 transitions. [2020-07-18 05:15:16,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 05:15:16,510 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 158 states and 169 transitions. [2020-07-18 05:15:16,800 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 169 edges. 169 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:16,800 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 169 transitions. [2020-07-18 05:15:16,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-07-18 05:15:16,801 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:16,801 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] [2020-07-18 05:15:16,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-18 05:15:16,802 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:16,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:16,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1203451366, now seen corresponding path program 1 times [2020-07-18 05:15:16,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:16,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1568552525] [2020-07-18 05:15:16,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:17,081 INFO L280 TraceCheckUtils]: 0: Hoare triple {10534#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {10519#true} is VALID [2020-07-18 05:15:17,081 INFO L280 TraceCheckUtils]: 1: Hoare triple {10519#true} #valid := #valid[0 := 0]; {10519#true} is VALID [2020-07-18 05:15:17,081 INFO L280 TraceCheckUtils]: 2: Hoare triple {10519#true} assume 0 < #StackHeapBarrier; {10519#true} is VALID [2020-07-18 05:15:17,081 INFO L280 TraceCheckUtils]: 3: Hoare triple {10519#true} assume true; {10519#true} is VALID [2020-07-18 05:15:17,082 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {10519#true} {10519#true} #419#return; {10519#true} is VALID [2020-07-18 05:15:17,082 INFO L263 TraceCheckUtils]: 0: Hoare triple {10519#true} call ULTIMATE.init(); {10534#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:17,083 INFO L280 TraceCheckUtils]: 1: Hoare triple {10534#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {10519#true} is VALID [2020-07-18 05:15:17,083 INFO L280 TraceCheckUtils]: 2: Hoare triple {10519#true} #valid := #valid[0 := 0]; {10519#true} is VALID [2020-07-18 05:15:17,083 INFO L280 TraceCheckUtils]: 3: Hoare triple {10519#true} assume 0 < #StackHeapBarrier; {10519#true} is VALID [2020-07-18 05:15:17,083 INFO L280 TraceCheckUtils]: 4: Hoare triple {10519#true} assume true; {10519#true} is VALID [2020-07-18 05:15:17,083 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {10519#true} {10519#true} #419#return; {10519#true} is VALID [2020-07-18 05:15:17,084 INFO L263 TraceCheckUtils]: 6: Hoare triple {10519#true} call #t~ret28 := main(); {10519#true} is VALID [2020-07-18 05:15:17,084 INFO L280 TraceCheckUtils]: 7: Hoare triple {10519#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {10526#(= 0 |main_#t~malloc0.offset|)} is VALID [2020-07-18 05:15:17,085 INFO L280 TraceCheckUtils]: 8: Hoare triple {10526#(= 0 |main_#t~malloc0.offset|)} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {10527#(= 0 main_~list~0.offset)} is VALID [2020-07-18 05:15:17,085 INFO L280 TraceCheckUtils]: 9: Hoare triple {10527#(= 0 main_~list~0.offset)} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {10527#(= 0 main_~list~0.offset)} is VALID [2020-07-18 05:15:17,087 INFO L280 TraceCheckUtils]: 10: Hoare triple {10527#(= 0 main_~list~0.offset)} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {10527#(= 0 main_~list~0.offset)} is VALID [2020-07-18 05:15:17,088 INFO L280 TraceCheckUtils]: 11: Hoare triple {10527#(= 0 main_~list~0.offset)} goto; {10527#(= 0 main_~list~0.offset)} is VALID [2020-07-18 05:15:17,088 INFO L280 TraceCheckUtils]: 12: Hoare triple {10527#(= 0 main_~list~0.offset)} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {10527#(= 0 main_~list~0.offset)} is VALID [2020-07-18 05:15:17,089 INFO L280 TraceCheckUtils]: 13: Hoare triple {10527#(= 0 main_~list~0.offset)} assume 0 != #t~nondet1; {10527#(= 0 main_~list~0.offset)} is VALID [2020-07-18 05:15:17,089 INFO L280 TraceCheckUtils]: 14: Hoare triple {10527#(= 0 main_~list~0.offset)} havoc #t~nondet1; {10527#(= 0 main_~list~0.offset)} is VALID [2020-07-18 05:15:17,090 INFO L280 TraceCheckUtils]: 15: Hoare triple {10527#(= 0 main_~list~0.offset)} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {10527#(= 0 main_~list~0.offset)} is VALID [2020-07-18 05:15:17,091 INFO L280 TraceCheckUtils]: 16: Hoare triple {10527#(= 0 main_~list~0.offset)} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {10528#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) |main_#t~mem5.base|))} is VALID [2020-07-18 05:15:17,092 INFO L280 TraceCheckUtils]: 17: Hoare triple {10528#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) |main_#t~mem5.base|))} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {10529#(and (or |main_#t~short7| (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))) (= 0 main_~list~0.offset))} is VALID [2020-07-18 05:15:17,093 INFO L280 TraceCheckUtils]: 18: Hoare triple {10529#(and (or |main_#t~short7| (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))) (= 0 main_~list~0.offset))} assume !#t~short7; {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:17,093 INFO L280 TraceCheckUtils]: 19: Hoare triple {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-22 {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:17,094 INFO L280 TraceCheckUtils]: 20: Hoare triple {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} #t~short7 := #t~mem6.base == 0 && #t~mem6.offset == 0; {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:17,095 INFO L280 TraceCheckUtils]: 21: Hoare triple {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} assume !!#t~short7; {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:17,096 INFO L280 TraceCheckUtils]: 22: Hoare triple {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} havoc #t~mem5.base, #t~mem5.offset; {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:17,097 INFO L280 TraceCheckUtils]: 23: Hoare triple {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} havoc #t~short7; {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:17,098 INFO L280 TraceCheckUtils]: 24: Hoare triple {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} havoc #t~mem6.base, #t~mem6.offset; {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:17,098 INFO L280 TraceCheckUtils]: 25: Hoare triple {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} goto; {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:17,099 INFO L280 TraceCheckUtils]: 26: Hoare triple {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:17,100 INFO L280 TraceCheckUtils]: 27: Hoare triple {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:17,101 INFO L280 TraceCheckUtils]: 28: Hoare triple {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} assume !(0 != #t~nondet8); {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:17,101 INFO L280 TraceCheckUtils]: 29: Hoare triple {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} havoc #t~nondet8; {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:17,102 INFO L280 TraceCheckUtils]: 30: Hoare triple {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} ~end~0.base, ~end~0.offset := 0, 0; {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:17,103 INFO L280 TraceCheckUtils]: 31: Hoare triple {10530#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {10531#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 main_~end~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} is VALID [2020-07-18 05:15:17,105 INFO L280 TraceCheckUtils]: 32: Hoare triple {10531#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 main_~end~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {10531#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 main_~end~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} is VALID [2020-07-18 05:15:17,106 INFO L280 TraceCheckUtils]: 33: Hoare triple {10531#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 main_~end~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} goto; {10531#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 main_~end~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} is VALID [2020-07-18 05:15:17,107 INFO L280 TraceCheckUtils]: 34: Hoare triple {10531#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 main_~end~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {10531#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 main_~end~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} is VALID [2020-07-18 05:15:17,107 INFO L280 TraceCheckUtils]: 35: Hoare triple {10531#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 main_~end~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} ~len~0 := 0; {10531#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 main_~end~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} is VALID [2020-07-18 05:15:17,109 INFO L280 TraceCheckUtils]: 36: Hoare triple {10531#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 main_~end~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} SUMMARY for call #t~mem18.base, #t~mem18.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1017 {10532#(and (= 0 |main_#t~mem18.offset|) (= 0 |main_#t~mem18.base|))} is VALID [2020-07-18 05:15:17,109 INFO L280 TraceCheckUtils]: 37: Hoare triple {10532#(and (= 0 |main_#t~mem18.offset|) (= 0 |main_#t~mem18.base|))} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {10533#(and (= 0 main_~inner~0.base) (= 0 main_~inner~0.offset))} is VALID [2020-07-18 05:15:17,110 INFO L280 TraceCheckUtils]: 38: Hoare triple {10533#(and (= 0 main_~inner~0.base) (= 0 main_~inner~0.offset))} havoc #t~mem18.base, #t~mem18.offset; {10533#(and (= 0 main_~inner~0.base) (= 0 main_~inner~0.offset))} is VALID [2020-07-18 05:15:17,111 INFO L280 TraceCheckUtils]: 39: Hoare triple {10533#(and (= 0 main_~inner~0.base) (= 0 main_~inner~0.offset))} assume !!(0 != ~inner~0.base || 0 != ~inner~0.offset); {10520#false} is VALID [2020-07-18 05:15:17,111 INFO L280 TraceCheckUtils]: 40: Hoare triple {10520#false} assume 0 == ~len~0; {10520#false} is VALID [2020-07-18 05:15:17,111 INFO L280 TraceCheckUtils]: 41: Hoare triple {10520#false} ~len~0 := 1; {10520#false} is VALID [2020-07-18 05:15:17,112 INFO L280 TraceCheckUtils]: 42: Hoare triple {10520#false} assume !!(0 != ~inner~0.base || 0 != ~inner~0.offset); {10520#false} is VALID [2020-07-18 05:15:17,112 INFO L280 TraceCheckUtils]: 43: Hoare triple {10520#false} goto; {10520#false} is VALID [2020-07-18 05:15:17,112 INFO L280 TraceCheckUtils]: 44: Hoare triple {10520#false} SUMMARY for call #t~mem19.base, #t~mem19.offset := read~$Pointer$(~inner~0.base, 4 + ~inner~0.offset, 4); srcloc: L1025-6 {10520#false} is VALID [2020-07-18 05:15:17,113 INFO L280 TraceCheckUtils]: 45: Hoare triple {10520#false} assume !(0 == #t~mem19.base && 0 == #t~mem19.offset); {10520#false} is VALID [2020-07-18 05:15:17,113 INFO L280 TraceCheckUtils]: 46: Hoare triple {10520#false} havoc #t~mem19.base, #t~mem19.offset; {10520#false} is VALID [2020-07-18 05:15:17,113 INFO L280 TraceCheckUtils]: 47: Hoare triple {10520#false} assume !false; {10520#false} is VALID [2020-07-18 05:15:17,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:15:17,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1568552525] [2020-07-18 05:15:17,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:15:17,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-18 05:15:17,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47507744] [2020-07-18 05:15:17,128 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 48 [2020-07-18 05:15:17,128 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:17,128 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-18 05:15:17,189 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:17,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-18 05:15:17,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:17,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-18 05:15:17,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-07-18 05:15:17,190 INFO L87 Difference]: Start difference. First operand 158 states and 169 transitions. Second operand 11 states. [2020-07-18 05:15:21,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:21,610 INFO L93 Difference]: Finished difference Result 398 states and 427 transitions. [2020-07-18 05:15:21,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-18 05:15:21,611 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 48 [2020-07-18 05:15:21,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:21,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-18 05:15:21,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 415 transitions. [2020-07-18 05:15:21,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-18 05:15:21,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 415 transitions. [2020-07-18 05:15:21,618 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 415 transitions. [2020-07-18 05:15:22,139 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 415 edges. 415 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:22,148 INFO L225 Difference]: With dead ends: 398 [2020-07-18 05:15:22,148 INFO L226 Difference]: Without dead ends: 326 [2020-07-18 05:15:22,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2020-07-18 05:15:22,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-07-18 05:15:23,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 204. [2020-07-18 05:15:23,065 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:23,065 INFO L82 GeneralOperation]: Start isEquivalent. First operand 326 states. Second operand 204 states. [2020-07-18 05:15:23,065 INFO L74 IsIncluded]: Start isIncluded. First operand 326 states. Second operand 204 states. [2020-07-18 05:15:23,065 INFO L87 Difference]: Start difference. First operand 326 states. Second operand 204 states. [2020-07-18 05:15:23,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:23,074 INFO L93 Difference]: Finished difference Result 326 states and 348 transitions. [2020-07-18 05:15:23,074 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 348 transitions. [2020-07-18 05:15:23,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:23,075 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:23,075 INFO L74 IsIncluded]: Start isIncluded. First operand 204 states. Second operand 326 states. [2020-07-18 05:15:23,075 INFO L87 Difference]: Start difference. First operand 204 states. Second operand 326 states. [2020-07-18 05:15:23,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:23,085 INFO L93 Difference]: Finished difference Result 326 states and 348 transitions. [2020-07-18 05:15:23,085 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 348 transitions. [2020-07-18 05:15:23,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:23,087 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:23,087 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:23,087 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:23,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-07-18 05:15:23,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 220 transitions. [2020-07-18 05:15:23,091 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 220 transitions. Word has length 48 [2020-07-18 05:15:23,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:23,091 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 220 transitions. [2020-07-18 05:15:23,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-18 05:15:23,092 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 204 states and 220 transitions. [2020-07-18 05:15:23,527 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 220 edges. 220 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:23,527 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 220 transitions. [2020-07-18 05:15:23,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-18 05:15:23,528 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:23,529 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] [2020-07-18 05:15:23,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-18 05:15:23,529 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:23,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:23,530 INFO L82 PathProgramCache]: Analyzing trace with hash 2069783995, now seen corresponding path program 1 times [2020-07-18 05:15:23,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:23,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1740180951] [2020-07-18 05:15:23,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:23,600 INFO L280 TraceCheckUtils]: 0: Hoare triple {12427#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {12419#true} is VALID [2020-07-18 05:15:23,601 INFO L280 TraceCheckUtils]: 1: Hoare triple {12419#true} #valid := #valid[0 := 0]; {12419#true} is VALID [2020-07-18 05:15:23,601 INFO L280 TraceCheckUtils]: 2: Hoare triple {12419#true} assume 0 < #StackHeapBarrier; {12419#true} is VALID [2020-07-18 05:15:23,601 INFO L280 TraceCheckUtils]: 3: Hoare triple {12419#true} assume true; {12419#true} is VALID [2020-07-18 05:15:23,601 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {12419#true} {12419#true} #419#return; {12419#true} is VALID [2020-07-18 05:15:23,602 INFO L263 TraceCheckUtils]: 0: Hoare triple {12419#true} call ULTIMATE.init(); {12427#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:23,603 INFO L280 TraceCheckUtils]: 1: Hoare triple {12427#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {12419#true} is VALID [2020-07-18 05:15:23,603 INFO L280 TraceCheckUtils]: 2: Hoare triple {12419#true} #valid := #valid[0 := 0]; {12419#true} is VALID [2020-07-18 05:15:23,603 INFO L280 TraceCheckUtils]: 3: Hoare triple {12419#true} assume 0 < #StackHeapBarrier; {12419#true} is VALID [2020-07-18 05:15:23,603 INFO L280 TraceCheckUtils]: 4: Hoare triple {12419#true} assume true; {12419#true} is VALID [2020-07-18 05:15:23,603 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {12419#true} {12419#true} #419#return; {12419#true} is VALID [2020-07-18 05:15:23,604 INFO L263 TraceCheckUtils]: 6: Hoare triple {12419#true} call #t~ret28 := main(); {12419#true} is VALID [2020-07-18 05:15:23,604 INFO L280 TraceCheckUtils]: 7: Hoare triple {12419#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {12419#true} is VALID [2020-07-18 05:15:23,604 INFO L280 TraceCheckUtils]: 8: Hoare triple {12419#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {12419#true} is VALID [2020-07-18 05:15:23,604 INFO L280 TraceCheckUtils]: 9: Hoare triple {12419#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {12419#true} is VALID [2020-07-18 05:15:23,604 INFO L280 TraceCheckUtils]: 10: Hoare triple {12419#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {12419#true} is VALID [2020-07-18 05:15:23,605 INFO L280 TraceCheckUtils]: 11: Hoare triple {12419#true} goto; {12419#true} is VALID [2020-07-18 05:15:23,605 INFO L280 TraceCheckUtils]: 12: Hoare triple {12419#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {12419#true} is VALID [2020-07-18 05:15:23,605 INFO L280 TraceCheckUtils]: 13: Hoare triple {12419#true} assume 0 != #t~nondet1; {12419#true} is VALID [2020-07-18 05:15:23,605 INFO L280 TraceCheckUtils]: 14: Hoare triple {12419#true} havoc #t~nondet1; {12419#true} is VALID [2020-07-18 05:15:23,605 INFO L280 TraceCheckUtils]: 15: Hoare triple {12419#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {12419#true} is VALID [2020-07-18 05:15:23,606 INFO L280 TraceCheckUtils]: 16: Hoare triple {12419#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {12419#true} is VALID [2020-07-18 05:15:23,606 INFO L280 TraceCheckUtils]: 17: Hoare triple {12419#true} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {12419#true} is VALID [2020-07-18 05:15:23,606 INFO L280 TraceCheckUtils]: 18: Hoare triple {12419#true} assume !#t~short7; {12419#true} is VALID [2020-07-18 05:15:23,606 INFO L280 TraceCheckUtils]: 19: Hoare triple {12419#true} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-22 {12419#true} is VALID [2020-07-18 05:15:23,608 INFO L280 TraceCheckUtils]: 20: Hoare triple {12419#true} #t~short7 := #t~mem6.base == 0 && #t~mem6.offset == 0; {12419#true} is VALID [2020-07-18 05:15:23,608 INFO L280 TraceCheckUtils]: 21: Hoare triple {12419#true} assume !!#t~short7; {12419#true} is VALID [2020-07-18 05:15:23,608 INFO L280 TraceCheckUtils]: 22: Hoare triple {12419#true} havoc #t~mem5.base, #t~mem5.offset; {12419#true} is VALID [2020-07-18 05:15:23,608 INFO L280 TraceCheckUtils]: 23: Hoare triple {12419#true} havoc #t~short7; {12419#true} is VALID [2020-07-18 05:15:23,609 INFO L280 TraceCheckUtils]: 24: Hoare triple {12419#true} havoc #t~mem6.base, #t~mem6.offset; {12419#true} is VALID [2020-07-18 05:15:23,609 INFO L280 TraceCheckUtils]: 25: Hoare triple {12419#true} goto; {12419#true} is VALID [2020-07-18 05:15:23,609 INFO L280 TraceCheckUtils]: 26: Hoare triple {12419#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {12419#true} is VALID [2020-07-18 05:15:23,609 INFO L280 TraceCheckUtils]: 27: Hoare triple {12419#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {12419#true} is VALID [2020-07-18 05:15:23,609 INFO L280 TraceCheckUtils]: 28: Hoare triple {12419#true} assume !!(0 != #t~nondet8); {12419#true} is VALID [2020-07-18 05:15:23,610 INFO L280 TraceCheckUtils]: 29: Hoare triple {12419#true} havoc #t~nondet8; {12419#true} is VALID [2020-07-18 05:15:23,611 INFO L280 TraceCheckUtils]: 30: Hoare triple {12419#true} SUMMARY for call #t~malloc9.base, #t~malloc9.offset := #Ultimate.allocOnHeap(8); srcloc: L1001 {12419#true} is VALID [2020-07-18 05:15:23,611 INFO L280 TraceCheckUtils]: 31: Hoare triple {12419#true} SUMMARY for call write~$Pointer$(#t~malloc9.base, #t~malloc9.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1001-1 {12419#true} is VALID [2020-07-18 05:15:23,611 INFO L280 TraceCheckUtils]: 32: Hoare triple {12419#true} SUMMARY for call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1001-2 {12419#true} is VALID [2020-07-18 05:15:23,612 INFO L280 TraceCheckUtils]: 33: Hoare triple {12419#true} ~end~0.base, ~end~0.offset := #t~mem10.base, #t~mem10.offset; {12419#true} is VALID [2020-07-18 05:15:23,612 INFO L280 TraceCheckUtils]: 34: Hoare triple {12419#true} havoc #t~mem10.base, #t~mem10.offset; {12419#true} is VALID [2020-07-18 05:15:23,612 INFO L280 TraceCheckUtils]: 35: Hoare triple {12419#true} SUMMARY for call write~$Pointer$(0, 0, ~end~0.base, ~end~0.offset, 4); srcloc: L1003 {12419#true} is VALID [2020-07-18 05:15:23,615 INFO L280 TraceCheckUtils]: 36: Hoare triple {12419#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {12419#true} is VALID [2020-07-18 05:15:23,615 INFO L280 TraceCheckUtils]: 37: Hoare triple {12419#true} goto; {12419#true} is VALID [2020-07-18 05:15:23,616 INFO L280 TraceCheckUtils]: 38: Hoare triple {12419#true} assume !!(~end~0.base != 0 || ~end~0.offset != 0); {12419#true} is VALID [2020-07-18 05:15:23,616 INFO L280 TraceCheckUtils]: 39: Hoare triple {12419#true} goto; {12419#true} is VALID [2020-07-18 05:15:23,616 INFO L280 TraceCheckUtils]: 40: Hoare triple {12419#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {12419#true} is VALID [2020-07-18 05:15:23,616 INFO L280 TraceCheckUtils]: 41: Hoare triple {12419#true} assume 0 != #t~nondet11; {12419#true} is VALID [2020-07-18 05:15:23,616 INFO L280 TraceCheckUtils]: 42: Hoare triple {12419#true} havoc #t~nondet11; {12419#true} is VALID [2020-07-18 05:15:23,617 INFO L280 TraceCheckUtils]: 43: Hoare triple {12419#true} SUMMARY for call write~$Pointer$(0, 0, ~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1005-7 {12419#true} is VALID [2020-07-18 05:15:23,617 INFO L280 TraceCheckUtils]: 44: Hoare triple {12419#true} SUMMARY for call #t~mem15.base, #t~mem15.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1005-34 {12419#true} is VALID [2020-07-18 05:15:23,617 INFO L280 TraceCheckUtils]: 45: Hoare triple {12419#true} #t~short17 := #t~mem15.base != 0 || #t~mem15.offset != 0; {12419#true} is VALID [2020-07-18 05:15:23,627 INFO L280 TraceCheckUtils]: 46: Hoare triple {12419#true} assume #t~short17; {12426#|main_#t~short17|} is VALID [2020-07-18 05:15:23,628 INFO L280 TraceCheckUtils]: 47: Hoare triple {12426#|main_#t~short17|} assume !#t~short17; {12420#false} is VALID [2020-07-18 05:15:23,628 INFO L280 TraceCheckUtils]: 48: Hoare triple {12420#false} havoc #t~mem15.base, #t~mem15.offset; {12420#false} is VALID [2020-07-18 05:15:23,629 INFO L280 TraceCheckUtils]: 49: Hoare triple {12420#false} havoc #t~mem16.base, #t~mem16.offset; {12420#false} is VALID [2020-07-18 05:15:23,629 INFO L280 TraceCheckUtils]: 50: Hoare triple {12420#false} havoc #t~short17; {12420#false} is VALID [2020-07-18 05:15:23,629 INFO L280 TraceCheckUtils]: 51: Hoare triple {12420#false} assume !false; {12420#false} is VALID [2020-07-18 05:15:23,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:15:23,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1740180951] [2020-07-18 05:15:23,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:15:23,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 05:15:23,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805371249] [2020-07-18 05:15:23,632 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-07-18 05:15:23,632 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:23,633 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 05:15:23,688 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:23,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 05:15:23,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:23,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 05:15:23,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 05:15:23,690 INFO L87 Difference]: Start difference. First operand 204 states and 220 transitions. Second operand 4 states. [2020-07-18 05:15:25,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:25,124 INFO L93 Difference]: Finished difference Result 211 states and 228 transitions. [2020-07-18 05:15:25,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 05:15:25,124 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-07-18 05:15:25,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:25,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 05:15:25,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 167 transitions. [2020-07-18 05:15:25,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 05:15:25,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 167 transitions. [2020-07-18 05:15:25,128 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 167 transitions. [2020-07-18 05:15:25,298 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:25,302 INFO L225 Difference]: With dead ends: 211 [2020-07-18 05:15:25,303 INFO L226 Difference]: Without dead ends: 206 [2020-07-18 05:15:25,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 05:15:25,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-07-18 05:15:26,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2020-07-18 05:15:26,190 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:26,190 INFO L82 GeneralOperation]: Start isEquivalent. First operand 206 states. Second operand 206 states. [2020-07-18 05:15:26,190 INFO L74 IsIncluded]: Start isIncluded. First operand 206 states. Second operand 206 states. [2020-07-18 05:15:26,191 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 206 states. [2020-07-18 05:15:26,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:26,196 INFO L93 Difference]: Finished difference Result 206 states and 222 transitions. [2020-07-18 05:15:26,197 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 222 transitions. [2020-07-18 05:15:26,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:26,197 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:26,198 INFO L74 IsIncluded]: Start isIncluded. First operand 206 states. Second operand 206 states. [2020-07-18 05:15:26,198 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 206 states. [2020-07-18 05:15:26,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:26,202 INFO L93 Difference]: Finished difference Result 206 states and 222 transitions. [2020-07-18 05:15:26,202 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 222 transitions. [2020-07-18 05:15:26,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:26,203 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:26,203 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:26,203 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:26,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-07-18 05:15:26,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 222 transitions. [2020-07-18 05:15:26,207 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 222 transitions. Word has length 52 [2020-07-18 05:15:26,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:26,207 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 222 transitions. [2020-07-18 05:15:26,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 05:15:26,207 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 206 states and 222 transitions. [2020-07-18 05:15:26,726 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 222 edges. 222 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:26,726 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 222 transitions. [2020-07-18 05:15:26,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-18 05:15:26,728 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:26,728 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] [2020-07-18 05:15:26,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-18 05:15:26,730 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:26,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:26,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1565892499, now seen corresponding path program 1 times [2020-07-18 05:15:26,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:26,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2007869561] [2020-07-18 05:15:26,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:27,347 INFO L280 TraceCheckUtils]: 0: Hoare triple {13694#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {13676#true} is VALID [2020-07-18 05:15:27,348 INFO L280 TraceCheckUtils]: 1: Hoare triple {13676#true} #valid := #valid[0 := 0]; {13676#true} is VALID [2020-07-18 05:15:27,348 INFO L280 TraceCheckUtils]: 2: Hoare triple {13676#true} assume 0 < #StackHeapBarrier; {13676#true} is VALID [2020-07-18 05:15:27,348 INFO L280 TraceCheckUtils]: 3: Hoare triple {13676#true} assume true; {13676#true} is VALID [2020-07-18 05:15:27,348 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {13676#true} {13676#true} #419#return; {13676#true} is VALID [2020-07-18 05:15:27,349 INFO L263 TraceCheckUtils]: 0: Hoare triple {13676#true} call ULTIMATE.init(); {13694#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:27,349 INFO L280 TraceCheckUtils]: 1: Hoare triple {13694#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {13676#true} is VALID [2020-07-18 05:15:27,349 INFO L280 TraceCheckUtils]: 2: Hoare triple {13676#true} #valid := #valid[0 := 0]; {13676#true} is VALID [2020-07-18 05:15:27,350 INFO L280 TraceCheckUtils]: 3: Hoare triple {13676#true} assume 0 < #StackHeapBarrier; {13676#true} is VALID [2020-07-18 05:15:27,350 INFO L280 TraceCheckUtils]: 4: Hoare triple {13676#true} assume true; {13676#true} is VALID [2020-07-18 05:15:27,350 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {13676#true} {13676#true} #419#return; {13676#true} is VALID [2020-07-18 05:15:27,350 INFO L263 TraceCheckUtils]: 6: Hoare triple {13676#true} call #t~ret28 := main(); {13676#true} is VALID [2020-07-18 05:15:27,351 INFO L280 TraceCheckUtils]: 7: Hoare triple {13676#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {13683#(and (= 1 (select |#valid| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|))} is VALID [2020-07-18 05:15:27,352 INFO L280 TraceCheckUtils]: 8: Hoare triple {13683#(and (= 1 (select |#valid| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|))} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {13684#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:15:27,353 INFO L280 TraceCheckUtils]: 9: Hoare triple {13684#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {13684#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:15:27,354 INFO L280 TraceCheckUtils]: 10: Hoare triple {13684#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {13684#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:15:27,354 INFO L280 TraceCheckUtils]: 11: Hoare triple {13684#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} goto; {13684#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:15:27,355 INFO L280 TraceCheckUtils]: 12: Hoare triple {13684#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {13684#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:15:27,356 INFO L280 TraceCheckUtils]: 13: Hoare triple {13684#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} assume !(0 != #t~nondet1); {13684#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:15:27,356 INFO L280 TraceCheckUtils]: 14: Hoare triple {13684#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} havoc #t~nondet1; {13684#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-18 05:15:27,357 INFO L280 TraceCheckUtils]: 15: Hoare triple {13684#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8); srcloc: L993-10 {13685#(and (= 0 |main_#t~malloc2.offset|) (= 0 main_~list~0.offset) (not (= |main_#t~malloc2.base| main_~list~0.base)))} is VALID [2020-07-18 05:15:27,358 INFO L280 TraceCheckUtils]: 16: Hoare triple {13685#(and (= 0 |main_#t~malloc2.offset|) (= 0 main_~list~0.offset) (not (= |main_#t~malloc2.base| main_~list~0.base)))} SUMMARY for call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-11 {13686#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset))} is VALID [2020-07-18 05:15:27,359 INFO L280 TraceCheckUtils]: 17: Hoare triple {13686#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset))} SUMMARY for call #t~mem3.base, #t~mem3.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-12 {13687#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) |main_#t~mem3.base|) (not (= |main_#t~mem3.base| main_~list~0.base)))} is VALID [2020-07-18 05:15:27,361 INFO L280 TraceCheckUtils]: 18: Hoare triple {13687#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) |main_#t~mem3.base|) (not (= |main_#t~mem3.base| main_~list~0.base)))} SUMMARY for call write~$Pointer$(0, 0, #t~mem3.base, #t~mem3.offset, 4); srcloc: L993-13 {13686#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset))} is VALID [2020-07-18 05:15:27,361 INFO L280 TraceCheckUtils]: 19: Hoare triple {13686#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset))} havoc #t~mem3.base, #t~mem3.offset; {13686#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset))} is VALID [2020-07-18 05:15:27,362 INFO L280 TraceCheckUtils]: 20: Hoare triple {13686#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-15 {13688#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (not (= |main_#t~mem4.base| main_~list~0.base)) (= 0 |main_#t~mem4.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) |main_#t~mem4.base|))} is VALID [2020-07-18 05:15:27,364 INFO L280 TraceCheckUtils]: 21: Hoare triple {13688#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (not (= |main_#t~mem4.base| main_~list~0.base)) (= 0 |main_#t~mem4.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) |main_#t~mem4.base|))} SUMMARY for call write~$Pointer$(0, 0, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L993-16 {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:27,365 INFO L280 TraceCheckUtils]: 22: Hoare triple {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} havoc #t~mem4.base, #t~mem4.offset; {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:27,366 INFO L280 TraceCheckUtils]: 23: Hoare triple {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:27,367 INFO L280 TraceCheckUtils]: 24: Hoare triple {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:27,367 INFO L280 TraceCheckUtils]: 25: Hoare triple {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} assume #t~short7; {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:27,368 INFO L280 TraceCheckUtils]: 26: Hoare triple {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} assume !!#t~short7; {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:27,369 INFO L280 TraceCheckUtils]: 27: Hoare triple {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} havoc #t~mem5.base, #t~mem5.offset; {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:27,370 INFO L280 TraceCheckUtils]: 28: Hoare triple {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} havoc #t~short7; {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:27,371 INFO L280 TraceCheckUtils]: 29: Hoare triple {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} havoc #t~mem6.base, #t~mem6.offset; {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:27,372 INFO L280 TraceCheckUtils]: 30: Hoare triple {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} goto; {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:27,373 INFO L280 TraceCheckUtils]: 31: Hoare triple {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:27,374 INFO L280 TraceCheckUtils]: 32: Hoare triple {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:27,375 INFO L280 TraceCheckUtils]: 33: Hoare triple {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} assume !(0 != #t~nondet8); {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:27,376 INFO L280 TraceCheckUtils]: 34: Hoare triple {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} havoc #t~nondet8; {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:27,377 INFO L280 TraceCheckUtils]: 35: Hoare triple {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} ~end~0.base, ~end~0.offset := 0, 0; {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:27,378 INFO L280 TraceCheckUtils]: 36: Hoare triple {13689#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) (+ main_~list~0.offset 4))))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {13690#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4) 0))} is VALID [2020-07-18 05:15:27,378 INFO L280 TraceCheckUtils]: 37: Hoare triple {13690#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4) 0))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {13690#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4) 0))} is VALID [2020-07-18 05:15:27,379 INFO L280 TraceCheckUtils]: 38: Hoare triple {13690#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4) 0))} goto; {13690#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4) 0))} is VALID [2020-07-18 05:15:27,380 INFO L280 TraceCheckUtils]: 39: Hoare triple {13690#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4) 0))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {13690#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4) 0))} is VALID [2020-07-18 05:15:27,381 INFO L280 TraceCheckUtils]: 40: Hoare triple {13690#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4) 0))} ~len~0 := 0; {13690#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4) 0))} is VALID [2020-07-18 05:15:27,382 INFO L280 TraceCheckUtils]: 41: Hoare triple {13690#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 4) 0))} SUMMARY for call #t~mem18.base, #t~mem18.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1017 {13691#(and (= 0 |main_#t~mem18.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) 4)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) 4)))} is VALID [2020-07-18 05:15:27,383 INFO L280 TraceCheckUtils]: 42: Hoare triple {13691#(and (= 0 |main_#t~mem18.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) 4)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) 4)))} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {13692#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) (+ main_~inner~0.offset 4))) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) (+ main_~inner~0.offset 4))))} is VALID [2020-07-18 05:15:27,383 INFO L280 TraceCheckUtils]: 43: Hoare triple {13692#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) (+ main_~inner~0.offset 4))) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) (+ main_~inner~0.offset 4))))} havoc #t~mem18.base, #t~mem18.offset; {13692#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) (+ main_~inner~0.offset 4))) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) (+ main_~inner~0.offset 4))))} is VALID [2020-07-18 05:15:27,384 INFO L280 TraceCheckUtils]: 44: Hoare triple {13692#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) (+ main_~inner~0.offset 4))) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) (+ main_~inner~0.offset 4))))} assume !!(0 != ~inner~0.base || 0 != ~inner~0.offset); {13692#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) (+ main_~inner~0.offset 4))) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) (+ main_~inner~0.offset 4))))} is VALID [2020-07-18 05:15:27,385 INFO L280 TraceCheckUtils]: 45: Hoare triple {13692#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) (+ main_~inner~0.offset 4))) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) (+ main_~inner~0.offset 4))))} assume 0 == ~len~0; {13692#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) (+ main_~inner~0.offset 4))) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) (+ main_~inner~0.offset 4))))} is VALID [2020-07-18 05:15:27,386 INFO L280 TraceCheckUtils]: 46: Hoare triple {13692#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) (+ main_~inner~0.offset 4))) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) (+ main_~inner~0.offset 4))))} ~len~0 := 1; {13692#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) (+ main_~inner~0.offset 4))) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) (+ main_~inner~0.offset 4))))} is VALID [2020-07-18 05:15:27,387 INFO L280 TraceCheckUtils]: 47: Hoare triple {13692#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) (+ main_~inner~0.offset 4))) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) (+ main_~inner~0.offset 4))))} assume !!(0 != ~inner~0.base || 0 != ~inner~0.offset); {13692#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) (+ main_~inner~0.offset 4))) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) (+ main_~inner~0.offset 4))))} is VALID [2020-07-18 05:15:27,387 INFO L280 TraceCheckUtils]: 48: Hoare triple {13692#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) (+ main_~inner~0.offset 4))) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) (+ main_~inner~0.offset 4))))} goto; {13692#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) (+ main_~inner~0.offset 4))) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) (+ main_~inner~0.offset 4))))} is VALID [2020-07-18 05:15:27,388 INFO L280 TraceCheckUtils]: 49: Hoare triple {13692#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) (+ main_~inner~0.offset 4))) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) (+ main_~inner~0.offset 4))))} SUMMARY for call #t~mem19.base, #t~mem19.offset := read~$Pointer$(~inner~0.base, 4 + ~inner~0.offset, 4); srcloc: L1025-6 {13693#(and (= 0 |main_#t~mem19.offset|) (= 0 |main_#t~mem19.base|))} is VALID [2020-07-18 05:15:27,388 INFO L280 TraceCheckUtils]: 50: Hoare triple {13693#(and (= 0 |main_#t~mem19.offset|) (= 0 |main_#t~mem19.base|))} assume !(0 == #t~mem19.base && 0 == #t~mem19.offset); {13677#false} is VALID [2020-07-18 05:15:27,389 INFO L280 TraceCheckUtils]: 51: Hoare triple {13677#false} havoc #t~mem19.base, #t~mem19.offset; {13677#false} is VALID [2020-07-18 05:15:27,389 INFO L280 TraceCheckUtils]: 52: Hoare triple {13677#false} assume !false; {13677#false} is VALID [2020-07-18 05:15:27,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:15:27,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2007869561] [2020-07-18 05:15:27,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:15:27,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-18 05:15:27,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805002090] [2020-07-18 05:15:27,400 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 53 [2020-07-18 05:15:27,400 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:27,400 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-18 05:15:27,484 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:27,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-18 05:15:27,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:27,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-18 05:15:27,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-07-18 05:15:27,486 INFO L87 Difference]: Start difference. First operand 206 states and 222 transitions. Second operand 14 states. [2020-07-18 05:15:38,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:38,539 INFO L93 Difference]: Finished difference Result 636 states and 681 transitions. [2020-07-18 05:15:38,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-18 05:15:38,540 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 53 [2020-07-18 05:15:38,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:38,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-18 05:15:38,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 556 transitions. [2020-07-18 05:15:38,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-18 05:15:38,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 556 transitions. [2020-07-18 05:15:38,546 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states and 556 transitions. [2020-07-18 05:15:39,561 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 556 edges. 556 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:39,580 INFO L225 Difference]: With dead ends: 636 [2020-07-18 05:15:39,580 INFO L226 Difference]: Without dead ends: 633 [2020-07-18 05:15:39,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=252, Invalid=804, Unknown=0, NotChecked=0, Total=1056 [2020-07-18 05:15:39,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2020-07-18 05:15:41,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 225. [2020-07-18 05:15:41,346 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:41,346 INFO L82 GeneralOperation]: Start isEquivalent. First operand 633 states. Second operand 225 states. [2020-07-18 05:15:41,347 INFO L74 IsIncluded]: Start isIncluded. First operand 633 states. Second operand 225 states. [2020-07-18 05:15:41,347 INFO L87 Difference]: Start difference. First operand 633 states. Second operand 225 states. [2020-07-18 05:15:41,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:41,366 INFO L93 Difference]: Finished difference Result 633 states and 678 transitions. [2020-07-18 05:15:41,366 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 678 transitions. [2020-07-18 05:15:41,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:41,367 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:41,368 INFO L74 IsIncluded]: Start isIncluded. First operand 225 states. Second operand 633 states. [2020-07-18 05:15:41,368 INFO L87 Difference]: Start difference. First operand 225 states. Second operand 633 states. [2020-07-18 05:15:41,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:41,384 INFO L93 Difference]: Finished difference Result 633 states and 678 transitions. [2020-07-18 05:15:41,384 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 678 transitions. [2020-07-18 05:15:41,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:41,385 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:41,385 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:41,385 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:41,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-07-18 05:15:41,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 243 transitions. [2020-07-18 05:15:41,388 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 243 transitions. Word has length 53 [2020-07-18 05:15:41,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:41,388 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 243 transitions. [2020-07-18 05:15:41,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-18 05:15:41,388 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 225 states and 243 transitions. [2020-07-18 05:15:42,125 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 243 edges. 243 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:42,126 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 243 transitions. [2020-07-18 05:15:42,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-18 05:15:42,127 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:42,127 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] [2020-07-18 05:15:42,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-18 05:15:42,128 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:42,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:42,128 INFO L82 PathProgramCache]: Analyzing trace with hash 991929043, now seen corresponding path program 1 times [2020-07-18 05:15:42,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:42,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1940470233] [2020-07-18 05:15:42,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:42,286 INFO L280 TraceCheckUtils]: 0: Hoare triple {16735#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {16723#true} is VALID [2020-07-18 05:15:42,287 INFO L280 TraceCheckUtils]: 1: Hoare triple {16723#true} #valid := #valid[0 := 0]; {16723#true} is VALID [2020-07-18 05:15:42,287 INFO L280 TraceCheckUtils]: 2: Hoare triple {16723#true} assume 0 < #StackHeapBarrier; {16723#true} is VALID [2020-07-18 05:15:42,287 INFO L280 TraceCheckUtils]: 3: Hoare triple {16723#true} assume true; {16723#true} is VALID [2020-07-18 05:15:42,287 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {16723#true} {16723#true} #419#return; {16723#true} is VALID [2020-07-18 05:15:42,288 INFO L263 TraceCheckUtils]: 0: Hoare triple {16723#true} call ULTIMATE.init(); {16735#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:42,289 INFO L280 TraceCheckUtils]: 1: Hoare triple {16735#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {16723#true} is VALID [2020-07-18 05:15:42,289 INFO L280 TraceCheckUtils]: 2: Hoare triple {16723#true} #valid := #valid[0 := 0]; {16723#true} is VALID [2020-07-18 05:15:42,289 INFO L280 TraceCheckUtils]: 3: Hoare triple {16723#true} assume 0 < #StackHeapBarrier; {16723#true} is VALID [2020-07-18 05:15:42,289 INFO L280 TraceCheckUtils]: 4: Hoare triple {16723#true} assume true; {16723#true} is VALID [2020-07-18 05:15:42,289 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {16723#true} {16723#true} #419#return; {16723#true} is VALID [2020-07-18 05:15:42,290 INFO L263 TraceCheckUtils]: 6: Hoare triple {16723#true} call #t~ret28 := main(); {16723#true} is VALID [2020-07-18 05:15:42,290 INFO L280 TraceCheckUtils]: 7: Hoare triple {16723#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {16723#true} is VALID [2020-07-18 05:15:42,290 INFO L280 TraceCheckUtils]: 8: Hoare triple {16723#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {16723#true} is VALID [2020-07-18 05:15:42,290 INFO L280 TraceCheckUtils]: 9: Hoare triple {16723#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {16723#true} is VALID [2020-07-18 05:15:42,290 INFO L280 TraceCheckUtils]: 10: Hoare triple {16723#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {16723#true} is VALID [2020-07-18 05:15:42,291 INFO L280 TraceCheckUtils]: 11: Hoare triple {16723#true} goto; {16723#true} is VALID [2020-07-18 05:15:42,291 INFO L280 TraceCheckUtils]: 12: Hoare triple {16723#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {16723#true} is VALID [2020-07-18 05:15:42,291 INFO L280 TraceCheckUtils]: 13: Hoare triple {16723#true} assume 0 != #t~nondet1; {16723#true} is VALID [2020-07-18 05:15:42,291 INFO L280 TraceCheckUtils]: 14: Hoare triple {16723#true} havoc #t~nondet1; {16723#true} is VALID [2020-07-18 05:15:42,291 INFO L280 TraceCheckUtils]: 15: Hoare triple {16723#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {16723#true} is VALID [2020-07-18 05:15:42,293 INFO L280 TraceCheckUtils]: 16: Hoare triple {16723#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {16730#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) |main_#t~mem5.base|))} is VALID [2020-07-18 05:15:42,294 INFO L280 TraceCheckUtils]: 17: Hoare triple {16730#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) |main_#t~mem5.base|))} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {16731#(or |main_#t~short7| (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)))))} is VALID [2020-07-18 05:15:42,294 INFO L280 TraceCheckUtils]: 18: Hoare triple {16731#(or |main_#t~short7| (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)))))} assume !#t~short7; {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,295 INFO L280 TraceCheckUtils]: 19: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-22 {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,296 INFO L280 TraceCheckUtils]: 20: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} #t~short7 := #t~mem6.base == 0 && #t~mem6.offset == 0; {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,297 INFO L280 TraceCheckUtils]: 21: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} assume !!#t~short7; {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,297 INFO L280 TraceCheckUtils]: 22: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} havoc #t~mem5.base, #t~mem5.offset; {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,298 INFO L280 TraceCheckUtils]: 23: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} havoc #t~short7; {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,299 INFO L280 TraceCheckUtils]: 24: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} havoc #t~mem6.base, #t~mem6.offset; {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,299 INFO L280 TraceCheckUtils]: 25: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} goto; {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,301 INFO L280 TraceCheckUtils]: 26: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,301 INFO L280 TraceCheckUtils]: 27: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,302 INFO L280 TraceCheckUtils]: 28: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} assume !(0 != #t~nondet8); {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,303 INFO L280 TraceCheckUtils]: 29: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} havoc #t~nondet8; {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,303 INFO L280 TraceCheckUtils]: 30: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} ~end~0.base, ~end~0.offset := 0, 0; {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,304 INFO L280 TraceCheckUtils]: 31: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,305 INFO L280 TraceCheckUtils]: 32: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,306 INFO L280 TraceCheckUtils]: 33: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} goto; {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,306 INFO L280 TraceCheckUtils]: 34: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,307 INFO L280 TraceCheckUtils]: 35: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} ~len~0 := 0; {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,308 INFO L280 TraceCheckUtils]: 36: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} SUMMARY for call #t~mem18.base, #t~mem18.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1017 {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,309 INFO L280 TraceCheckUtils]: 37: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,309 INFO L280 TraceCheckUtils]: 38: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} havoc #t~mem18.base, #t~mem18.offset; {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,310 INFO L280 TraceCheckUtils]: 39: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} assume !(0 != ~inner~0.base || 0 != ~inner~0.offset); {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,311 INFO L280 TraceCheckUtils]: 40: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} assume !!(~len~0 <= 1); {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,313 INFO L280 TraceCheckUtils]: 41: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} goto; {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,313 INFO L280 TraceCheckUtils]: 42: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} SUMMARY for call #t~mem23.base, #t~mem23.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1031-4 {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,314 INFO L280 TraceCheckUtils]: 43: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} ~end~0.base, ~end~0.offset := #t~mem23.base, #t~mem23.offset; {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,315 INFO L280 TraceCheckUtils]: 44: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} havoc #t~mem23.base, #t~mem23.offset; {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,318 INFO L280 TraceCheckUtils]: 45: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} assume !(0 != ~end~0.base || 0 != ~end~0.offset); {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,327 INFO L280 TraceCheckUtils]: 46: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} assume !!(0 != ~list~0.base || 0 != ~list~0.offset); {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:42,332 INFO L280 TraceCheckUtils]: 47: Hoare triple {16732#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} SUMMARY for call #t~mem24.base, #t~mem24.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L1039 {16733#(and (= 0 |main_#t~mem24.offset|) (= 0 |main_#t~mem24.base|))} is VALID [2020-07-18 05:15:42,332 INFO L280 TraceCheckUtils]: 48: Hoare triple {16733#(and (= 0 |main_#t~mem24.offset|) (= 0 |main_#t~mem24.base|))} ~end~0.base, ~end~0.offset := #t~mem24.base, #t~mem24.offset; {16734#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} is VALID [2020-07-18 05:15:42,333 INFO L280 TraceCheckUtils]: 49: Hoare triple {16734#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} havoc #t~mem24.base, #t~mem24.offset; {16734#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} is VALID [2020-07-18 05:15:42,334 INFO L280 TraceCheckUtils]: 50: Hoare triple {16734#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} assume 0 != ~end~0.base || 0 != ~end~0.offset; {16724#false} is VALID [2020-07-18 05:15:42,334 INFO L280 TraceCheckUtils]: 51: Hoare triple {16724#false} assume !(0 != ~end~0.base || 0 != ~end~0.offset); {16724#false} is VALID [2020-07-18 05:15:42,334 INFO L280 TraceCheckUtils]: 52: Hoare triple {16724#false} assume !false; {16724#false} is VALID [2020-07-18 05:15:42,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-18 05:15:42,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1940470233] [2020-07-18 05:15:42,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:15:42,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-18 05:15:42,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496786879] [2020-07-18 05:15:42,344 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-07-18 05:15:42,344 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:42,344 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 05:15:42,407 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:42,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-18 05:15:42,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:42,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-18 05:15:42,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-18 05:15:42,408 INFO L87 Difference]: Start difference. First operand 225 states and 243 transitions. Second operand 8 states. [2020-07-18 05:15:46,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:46,281 INFO L93 Difference]: Finished difference Result 321 states and 346 transitions. [2020-07-18 05:15:46,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-18 05:15:46,282 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-07-18 05:15:46,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:46,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 05:15:46,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 269 transitions. [2020-07-18 05:15:46,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 05:15:46,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 269 transitions. [2020-07-18 05:15:46,286 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 269 transitions. [2020-07-18 05:15:46,604 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 269 edges. 269 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:46,610 INFO L225 Difference]: With dead ends: 321 [2020-07-18 05:15:46,610 INFO L226 Difference]: Without dead ends: 291 [2020-07-18 05:15:46,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-07-18 05:15:46,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-07-18 05:15:48,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 275. [2020-07-18 05:15:48,817 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:48,817 INFO L82 GeneralOperation]: Start isEquivalent. First operand 291 states. Second operand 275 states. [2020-07-18 05:15:48,817 INFO L74 IsIncluded]: Start isIncluded. First operand 291 states. Second operand 275 states. [2020-07-18 05:15:48,817 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 275 states. [2020-07-18 05:15:48,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:48,823 INFO L93 Difference]: Finished difference Result 291 states and 314 transitions. [2020-07-18 05:15:48,823 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 314 transitions. [2020-07-18 05:15:48,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:48,823 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:48,824 INFO L74 IsIncluded]: Start isIncluded. First operand 275 states. Second operand 291 states. [2020-07-18 05:15:48,824 INFO L87 Difference]: Start difference. First operand 275 states. Second operand 291 states. [2020-07-18 05:15:48,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:48,830 INFO L93 Difference]: Finished difference Result 291 states and 314 transitions. [2020-07-18 05:15:48,830 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 314 transitions. [2020-07-18 05:15:48,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:48,831 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:48,831 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:48,831 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:48,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2020-07-18 05:15:48,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 301 transitions. [2020-07-18 05:15:48,837 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 301 transitions. Word has length 53 [2020-07-18 05:15:48,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:48,837 INFO L479 AbstractCegarLoop]: Abstraction has 275 states and 301 transitions. [2020-07-18 05:15:48,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-18 05:15:48,837 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 275 states and 301 transitions. [2020-07-18 05:15:49,823 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 301 edges. 301 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:49,824 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 301 transitions. [2020-07-18 05:15:49,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-18 05:15:49,824 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:49,824 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:15:49,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-18 05:15:49,825 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:49,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:49,825 INFO L82 PathProgramCache]: Analyzing trace with hash -604385608, now seen corresponding path program 1 times [2020-07-18 05:15:49,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:49,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124009062] [2020-07-18 05:15:49,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:49,942 INFO L280 TraceCheckUtils]: 0: Hoare triple {18532#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {18520#true} is VALID [2020-07-18 05:15:49,943 INFO L280 TraceCheckUtils]: 1: Hoare triple {18520#true} #valid := #valid[0 := 0]; {18520#true} is VALID [2020-07-18 05:15:49,943 INFO L280 TraceCheckUtils]: 2: Hoare triple {18520#true} assume 0 < #StackHeapBarrier; {18520#true} is VALID [2020-07-18 05:15:49,943 INFO L280 TraceCheckUtils]: 3: Hoare triple {18520#true} assume true; {18520#true} is VALID [2020-07-18 05:15:49,943 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {18520#true} {18520#true} #419#return; {18520#true} is VALID [2020-07-18 05:15:49,944 INFO L263 TraceCheckUtils]: 0: Hoare triple {18520#true} call ULTIMATE.init(); {18532#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:49,944 INFO L280 TraceCheckUtils]: 1: Hoare triple {18532#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {18520#true} is VALID [2020-07-18 05:15:49,944 INFO L280 TraceCheckUtils]: 2: Hoare triple {18520#true} #valid := #valid[0 := 0]; {18520#true} is VALID [2020-07-18 05:15:49,944 INFO L280 TraceCheckUtils]: 3: Hoare triple {18520#true} assume 0 < #StackHeapBarrier; {18520#true} is VALID [2020-07-18 05:15:49,945 INFO L280 TraceCheckUtils]: 4: Hoare triple {18520#true} assume true; {18520#true} is VALID [2020-07-18 05:15:49,945 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {18520#true} {18520#true} #419#return; {18520#true} is VALID [2020-07-18 05:15:49,945 INFO L263 TraceCheckUtils]: 6: Hoare triple {18520#true} call #t~ret28 := main(); {18520#true} is VALID [2020-07-18 05:15:49,945 INFO L280 TraceCheckUtils]: 7: Hoare triple {18520#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {18520#true} is VALID [2020-07-18 05:15:49,945 INFO L280 TraceCheckUtils]: 8: Hoare triple {18520#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {18520#true} is VALID [2020-07-18 05:15:49,945 INFO L280 TraceCheckUtils]: 9: Hoare triple {18520#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {18520#true} is VALID [2020-07-18 05:15:49,945 INFO L280 TraceCheckUtils]: 10: Hoare triple {18520#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {18520#true} is VALID [2020-07-18 05:15:49,946 INFO L280 TraceCheckUtils]: 11: Hoare triple {18520#true} goto; {18520#true} is VALID [2020-07-18 05:15:49,946 INFO L280 TraceCheckUtils]: 12: Hoare triple {18520#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {18520#true} is VALID [2020-07-18 05:15:49,946 INFO L280 TraceCheckUtils]: 13: Hoare triple {18520#true} assume 0 != #t~nondet1; {18520#true} is VALID [2020-07-18 05:15:49,946 INFO L280 TraceCheckUtils]: 14: Hoare triple {18520#true} havoc #t~nondet1; {18520#true} is VALID [2020-07-18 05:15:49,946 INFO L280 TraceCheckUtils]: 15: Hoare triple {18520#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {18520#true} is VALID [2020-07-18 05:15:49,946 INFO L280 TraceCheckUtils]: 16: Hoare triple {18520#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {18520#true} is VALID [2020-07-18 05:15:49,946 INFO L280 TraceCheckUtils]: 17: Hoare triple {18520#true} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {18520#true} is VALID [2020-07-18 05:15:49,946 INFO L280 TraceCheckUtils]: 18: Hoare triple {18520#true} assume !#t~short7; {18520#true} is VALID [2020-07-18 05:15:49,947 INFO L280 TraceCheckUtils]: 19: Hoare triple {18520#true} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-22 {18520#true} is VALID [2020-07-18 05:15:49,947 INFO L280 TraceCheckUtils]: 20: Hoare triple {18520#true} #t~short7 := #t~mem6.base == 0 && #t~mem6.offset == 0; {18520#true} is VALID [2020-07-18 05:15:49,947 INFO L280 TraceCheckUtils]: 21: Hoare triple {18520#true} assume !!#t~short7; {18520#true} is VALID [2020-07-18 05:15:49,947 INFO L280 TraceCheckUtils]: 22: Hoare triple {18520#true} havoc #t~mem5.base, #t~mem5.offset; {18520#true} is VALID [2020-07-18 05:15:49,947 INFO L280 TraceCheckUtils]: 23: Hoare triple {18520#true} havoc #t~short7; {18520#true} is VALID [2020-07-18 05:15:49,947 INFO L280 TraceCheckUtils]: 24: Hoare triple {18520#true} havoc #t~mem6.base, #t~mem6.offset; {18520#true} is VALID [2020-07-18 05:15:49,947 INFO L280 TraceCheckUtils]: 25: Hoare triple {18520#true} goto; {18520#true} is VALID [2020-07-18 05:15:49,947 INFO L280 TraceCheckUtils]: 26: Hoare triple {18520#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {18520#true} is VALID [2020-07-18 05:15:49,948 INFO L280 TraceCheckUtils]: 27: Hoare triple {18520#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {18520#true} is VALID [2020-07-18 05:15:49,948 INFO L280 TraceCheckUtils]: 28: Hoare triple {18520#true} assume !!(0 != #t~nondet8); {18520#true} is VALID [2020-07-18 05:15:49,948 INFO L280 TraceCheckUtils]: 29: Hoare triple {18520#true} havoc #t~nondet8; {18520#true} is VALID [2020-07-18 05:15:49,948 INFO L280 TraceCheckUtils]: 30: Hoare triple {18520#true} SUMMARY for call #t~malloc9.base, #t~malloc9.offset := #Ultimate.allocOnHeap(8); srcloc: L1001 {18520#true} is VALID [2020-07-18 05:15:49,948 INFO L280 TraceCheckUtils]: 31: Hoare triple {18520#true} SUMMARY for call write~$Pointer$(#t~malloc9.base, #t~malloc9.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1001-1 {18520#true} is VALID [2020-07-18 05:15:49,948 INFO L280 TraceCheckUtils]: 32: Hoare triple {18520#true} SUMMARY for call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1001-2 {18520#true} is VALID [2020-07-18 05:15:49,948 INFO L280 TraceCheckUtils]: 33: Hoare triple {18520#true} ~end~0.base, ~end~0.offset := #t~mem10.base, #t~mem10.offset; {18520#true} is VALID [2020-07-18 05:15:49,948 INFO L280 TraceCheckUtils]: 34: Hoare triple {18520#true} havoc #t~mem10.base, #t~mem10.offset; {18520#true} is VALID [2020-07-18 05:15:49,949 INFO L280 TraceCheckUtils]: 35: Hoare triple {18520#true} SUMMARY for call write~$Pointer$(0, 0, ~end~0.base, ~end~0.offset, 4); srcloc: L1003 {18520#true} is VALID [2020-07-18 05:15:49,949 INFO L280 TraceCheckUtils]: 36: Hoare triple {18520#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {18520#true} is VALID [2020-07-18 05:15:49,949 INFO L280 TraceCheckUtils]: 37: Hoare triple {18520#true} goto; {18520#true} is VALID [2020-07-18 05:15:49,949 INFO L280 TraceCheckUtils]: 38: Hoare triple {18520#true} assume !!(~end~0.base != 0 || ~end~0.offset != 0); {18520#true} is VALID [2020-07-18 05:15:49,949 INFO L280 TraceCheckUtils]: 39: Hoare triple {18520#true} goto; {18520#true} is VALID [2020-07-18 05:15:49,949 INFO L280 TraceCheckUtils]: 40: Hoare triple {18520#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {18520#true} is VALID [2020-07-18 05:15:49,949 INFO L280 TraceCheckUtils]: 41: Hoare triple {18520#true} assume 0 != #t~nondet11; {18520#true} is VALID [2020-07-18 05:15:49,949 INFO L280 TraceCheckUtils]: 42: Hoare triple {18520#true} havoc #t~nondet11; {18520#true} is VALID [2020-07-18 05:15:49,950 INFO L280 TraceCheckUtils]: 43: Hoare triple {18520#true} SUMMARY for call write~$Pointer$(0, 0, ~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1005-7 {18520#true} is VALID [2020-07-18 05:15:49,950 INFO L280 TraceCheckUtils]: 44: Hoare triple {18520#true} SUMMARY for call #t~mem15.base, #t~mem15.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1005-34 {18527#(and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4)) |main_#t~mem15.base|))} is VALID [2020-07-18 05:15:49,954 INFO L280 TraceCheckUtils]: 45: Hoare triple {18527#(and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4)) |main_#t~mem15.base|))} #t~short17 := #t~mem15.base != 0 || #t~mem15.offset != 0; {18528#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4)))) |main_#t~short17|)} is VALID [2020-07-18 05:15:49,954 INFO L280 TraceCheckUtils]: 46: Hoare triple {18528#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4)))) |main_#t~short17|)} assume !#t~short17; {18529#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} is VALID [2020-07-18 05:15:49,955 INFO L280 TraceCheckUtils]: 47: Hoare triple {18529#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} SUMMARY for call #t~mem16.base, #t~mem16.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1005-22 {18530#(and (= 0 |main_#t~mem16.offset|) (= 0 |main_#t~mem16.base|))} is VALID [2020-07-18 05:15:49,956 INFO L280 TraceCheckUtils]: 48: Hoare triple {18530#(and (= 0 |main_#t~mem16.offset|) (= 0 |main_#t~mem16.base|))} #t~short17 := #t~mem16.base == 0 && #t~mem16.offset == 0; {18531#|main_#t~short17|} is VALID [2020-07-18 05:15:49,956 INFO L280 TraceCheckUtils]: 49: Hoare triple {18531#|main_#t~short17|} assume !#t~short17; {18521#false} is VALID [2020-07-18 05:15:49,956 INFO L280 TraceCheckUtils]: 50: Hoare triple {18521#false} havoc #t~mem15.base, #t~mem15.offset; {18521#false} is VALID [2020-07-18 05:15:49,956 INFO L280 TraceCheckUtils]: 51: Hoare triple {18521#false} havoc #t~mem16.base, #t~mem16.offset; {18521#false} is VALID [2020-07-18 05:15:49,956 INFO L280 TraceCheckUtils]: 52: Hoare triple {18521#false} havoc #t~short17; {18521#false} is VALID [2020-07-18 05:15:49,956 INFO L280 TraceCheckUtils]: 53: Hoare triple {18521#false} assume !false; {18521#false} is VALID [2020-07-18 05:15:49,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:15:49,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1124009062] [2020-07-18 05:15:49,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:15:49,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-18 05:15:49,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250158268] [2020-07-18 05:15:49,959 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-07-18 05:15:49,959 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:49,959 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 05:15:50,019 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:50,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-18 05:15:50,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:50,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-18 05:15:50,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-07-18 05:15:50,020 INFO L87 Difference]: Start difference. First operand 275 states and 301 transitions. Second operand 8 states. [2020-07-18 05:15:53,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:53,581 INFO L93 Difference]: Finished difference Result 296 states and 324 transitions. [2020-07-18 05:15:53,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-18 05:15:53,582 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-07-18 05:15:53,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:15:53,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 05:15:53,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 183 transitions. [2020-07-18 05:15:53,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 05:15:53,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 183 transitions. [2020-07-18 05:15:53,585 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 183 transitions. [2020-07-18 05:15:53,794 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 183 edges. 183 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:53,800 INFO L225 Difference]: With dead ends: 296 [2020-07-18 05:15:53,800 INFO L226 Difference]: Without dead ends: 291 [2020-07-18 05:15:53,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-18 05:15:53,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-07-18 05:15:56,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 268. [2020-07-18 05:15:56,009 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:15:56,009 INFO L82 GeneralOperation]: Start isEquivalent. First operand 291 states. Second operand 268 states. [2020-07-18 05:15:56,009 INFO L74 IsIncluded]: Start isIncluded. First operand 291 states. Second operand 268 states. [2020-07-18 05:15:56,009 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 268 states. [2020-07-18 05:15:56,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:56,014 INFO L93 Difference]: Finished difference Result 291 states and 318 transitions. [2020-07-18 05:15:56,015 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 318 transitions. [2020-07-18 05:15:56,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:56,015 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:56,015 INFO L74 IsIncluded]: Start isIncluded. First operand 268 states. Second operand 291 states. [2020-07-18 05:15:56,016 INFO L87 Difference]: Start difference. First operand 268 states. Second operand 291 states. [2020-07-18 05:15:56,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:15:56,022 INFO L93 Difference]: Finished difference Result 291 states and 318 transitions. [2020-07-18 05:15:56,022 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 318 transitions. [2020-07-18 05:15:56,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:15:56,023 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:15:56,023 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:15:56,023 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:15:56,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-07-18 05:15:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 293 transitions. [2020-07-18 05:15:56,028 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 293 transitions. Word has length 54 [2020-07-18 05:15:56,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:15:56,029 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 293 transitions. [2020-07-18 05:15:56,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-18 05:15:56,029 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 268 states and 293 transitions. [2020-07-18 05:15:56,998 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 293 edges. 293 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:56,998 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 293 transitions. [2020-07-18 05:15:56,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-18 05:15:56,999 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:15:56,999 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, 1, 1, 1] [2020-07-18 05:15:56,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-18 05:15:57,000 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:15:57,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:15:57,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1636675303, now seen corresponding path program 1 times [2020-07-18 05:15:57,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:15:57,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [968523029] [2020-07-18 05:15:57,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:15:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:15:57,409 INFO L280 TraceCheckUtils]: 0: Hoare triple {20280#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {20261#true} is VALID [2020-07-18 05:15:57,409 INFO L280 TraceCheckUtils]: 1: Hoare triple {20261#true} #valid := #valid[0 := 0]; {20261#true} is VALID [2020-07-18 05:15:57,410 INFO L280 TraceCheckUtils]: 2: Hoare triple {20261#true} assume 0 < #StackHeapBarrier; {20261#true} is VALID [2020-07-18 05:15:57,410 INFO L280 TraceCheckUtils]: 3: Hoare triple {20261#true} assume true; {20261#true} is VALID [2020-07-18 05:15:57,410 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {20261#true} {20261#true} #419#return; {20261#true} is VALID [2020-07-18 05:15:57,411 INFO L263 TraceCheckUtils]: 0: Hoare triple {20261#true} call ULTIMATE.init(); {20280#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:15:57,411 INFO L280 TraceCheckUtils]: 1: Hoare triple {20280#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {20261#true} is VALID [2020-07-18 05:15:57,411 INFO L280 TraceCheckUtils]: 2: Hoare triple {20261#true} #valid := #valid[0 := 0]; {20261#true} is VALID [2020-07-18 05:15:57,411 INFO L280 TraceCheckUtils]: 3: Hoare triple {20261#true} assume 0 < #StackHeapBarrier; {20261#true} is VALID [2020-07-18 05:15:57,411 INFO L280 TraceCheckUtils]: 4: Hoare triple {20261#true} assume true; {20261#true} is VALID [2020-07-18 05:15:57,411 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {20261#true} {20261#true} #419#return; {20261#true} is VALID [2020-07-18 05:15:57,411 INFO L263 TraceCheckUtils]: 6: Hoare triple {20261#true} call #t~ret28 := main(); {20261#true} is VALID [2020-07-18 05:15:57,412 INFO L280 TraceCheckUtils]: 7: Hoare triple {20261#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {20268#(= 1 (select |#valid| |main_#t~malloc0.base|))} is VALID [2020-07-18 05:15:57,413 INFO L280 TraceCheckUtils]: 8: Hoare triple {20268#(= 1 (select |#valid| |main_#t~malloc0.base|))} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {20269#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:15:57,414 INFO L280 TraceCheckUtils]: 9: Hoare triple {20269#(= 1 (select |#valid| main_~list~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {20269#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:15:57,414 INFO L280 TraceCheckUtils]: 10: Hoare triple {20269#(= 1 (select |#valid| main_~list~0.base))} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {20269#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:15:57,415 INFO L280 TraceCheckUtils]: 11: Hoare triple {20269#(= 1 (select |#valid| main_~list~0.base))} goto; {20269#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:15:57,415 INFO L280 TraceCheckUtils]: 12: Hoare triple {20269#(= 1 (select |#valid| main_~list~0.base))} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {20269#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:15:57,416 INFO L280 TraceCheckUtils]: 13: Hoare triple {20269#(= 1 (select |#valid| main_~list~0.base))} assume !(0 != #t~nondet1); {20269#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:15:57,416 INFO L280 TraceCheckUtils]: 14: Hoare triple {20269#(= 1 (select |#valid| main_~list~0.base))} havoc #t~nondet1; {20269#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:15:57,417 INFO L280 TraceCheckUtils]: 15: Hoare triple {20269#(= 1 (select |#valid| main_~list~0.base))} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8); srcloc: L993-10 {20270#(and (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~list~0.base)))} is VALID [2020-07-18 05:15:57,418 INFO L280 TraceCheckUtils]: 16: Hoare triple {20270#(and (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~list~0.base)))} SUMMARY for call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-11 {20271#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:15:57,419 INFO L280 TraceCheckUtils]: 17: Hoare triple {20271#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))))} SUMMARY for call #t~mem3.base, #t~mem3.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-12 {20272#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) |main_#t~mem3.base|) (= 0 |main_#t~mem3.offset|) (not (= |main_#t~mem3.base| main_~list~0.base)))} is VALID [2020-07-18 05:15:57,426 INFO L280 TraceCheckUtils]: 18: Hoare triple {20272#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) |main_#t~mem3.base|) (= 0 |main_#t~mem3.offset|) (not (= |main_#t~mem3.base| main_~list~0.base)))} SUMMARY for call write~$Pointer$(0, 0, #t~mem3.base, #t~mem3.offset, 4); srcloc: L993-13 {20273#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,427 INFO L280 TraceCheckUtils]: 19: Hoare triple {20273#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} havoc #t~mem3.base, #t~mem3.offset; {20273#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,428 INFO L280 TraceCheckUtils]: 20: Hoare triple {20273#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-15 {20274#(and (= 0 (select (store (select |#memory_$Pointer$.base| |main_#t~mem4.base|) (+ |main_#t~mem4.offset| 4) 0) 0)) (= 0 (select (store (select |#memory_$Pointer$.offset| |main_#t~mem4.base|) (+ |main_#t~mem4.offset| 4) 0) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) |main_#t~mem4.base|))} is VALID [2020-07-18 05:15:57,430 INFO L280 TraceCheckUtils]: 21: Hoare triple {20274#(and (= 0 (select (store (select |#memory_$Pointer$.base| |main_#t~mem4.base|) (+ |main_#t~mem4.offset| 4) 0) 0)) (= 0 (select (store (select |#memory_$Pointer$.offset| |main_#t~mem4.base|) (+ |main_#t~mem4.offset| 4) 0) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) |main_#t~mem4.base|))} SUMMARY for call write~$Pointer$(0, 0, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L993-16 {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,431 INFO L280 TraceCheckUtils]: 22: Hoare triple {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} havoc #t~mem4.base, #t~mem4.offset; {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,432 INFO L280 TraceCheckUtils]: 23: Hoare triple {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,432 INFO L280 TraceCheckUtils]: 24: Hoare triple {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,433 INFO L280 TraceCheckUtils]: 25: Hoare triple {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} assume #t~short7; {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,434 INFO L280 TraceCheckUtils]: 26: Hoare triple {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} assume !!#t~short7; {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,435 INFO L280 TraceCheckUtils]: 27: Hoare triple {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} havoc #t~mem5.base, #t~mem5.offset; {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,436 INFO L280 TraceCheckUtils]: 28: Hoare triple {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} havoc #t~short7; {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,437 INFO L280 TraceCheckUtils]: 29: Hoare triple {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} havoc #t~mem6.base, #t~mem6.offset; {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,437 INFO L280 TraceCheckUtils]: 30: Hoare triple {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} goto; {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,438 INFO L280 TraceCheckUtils]: 31: Hoare triple {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,439 INFO L280 TraceCheckUtils]: 32: Hoare triple {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,440 INFO L280 TraceCheckUtils]: 33: Hoare triple {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} assume !(0 != #t~nondet8); {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,440 INFO L280 TraceCheckUtils]: 34: Hoare triple {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} havoc #t~nondet8; {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,441 INFO L280 TraceCheckUtils]: 35: Hoare triple {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} ~end~0.base, ~end~0.offset := 0, 0; {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,441 INFO L280 TraceCheckUtils]: 36: Hoare triple {20275#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))) 0)))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {20276#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,442 INFO L280 TraceCheckUtils]: 37: Hoare triple {20276#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0)))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {20276#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,443 INFO L280 TraceCheckUtils]: 38: Hoare triple {20276#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0)))} goto; {20276#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,444 INFO L280 TraceCheckUtils]: 39: Hoare triple {20276#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0)))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {20276#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,445 INFO L280 TraceCheckUtils]: 40: Hoare triple {20276#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0)))} ~len~0 := 0; {20276#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0)))} is VALID [2020-07-18 05:15:57,446 INFO L280 TraceCheckUtils]: 41: Hoare triple {20276#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (+ main_~end~0.offset 4))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))) 0)))} SUMMARY for call #t~mem18.base, #t~mem18.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1017 {20277#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) 0)) (= 0 |main_#t~mem18.offset|))} is VALID [2020-07-18 05:15:57,447 INFO L280 TraceCheckUtils]: 42: Hoare triple {20277#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) 0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) 0)) (= 0 |main_#t~mem18.offset|))} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-18 05:15:57,448 INFO L280 TraceCheckUtils]: 43: Hoare triple {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} havoc #t~mem18.base, #t~mem18.offset; {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-18 05:15:57,448 INFO L280 TraceCheckUtils]: 44: Hoare triple {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} assume !!(0 != ~inner~0.base || 0 != ~inner~0.offset); {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-18 05:15:57,449 INFO L280 TraceCheckUtils]: 45: Hoare triple {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} assume 0 == ~len~0; {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-18 05:15:57,449 INFO L280 TraceCheckUtils]: 46: Hoare triple {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} ~len~0 := 1; {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-18 05:15:57,450 INFO L280 TraceCheckUtils]: 47: Hoare triple {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} assume !!(0 != ~inner~0.base || 0 != ~inner~0.offset); {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-18 05:15:57,451 INFO L280 TraceCheckUtils]: 48: Hoare triple {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} goto; {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-18 05:15:57,452 INFO L280 TraceCheckUtils]: 49: Hoare triple {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} SUMMARY for call #t~mem19.base, #t~mem19.offset := read~$Pointer$(~inner~0.base, 4 + ~inner~0.offset, 4); srcloc: L1025-6 {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-18 05:15:57,453 INFO L280 TraceCheckUtils]: 50: Hoare triple {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} assume !!(0 == #t~mem19.base && 0 == #t~mem19.offset); {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-18 05:15:57,453 INFO L280 TraceCheckUtils]: 51: Hoare triple {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} havoc #t~mem19.base, #t~mem19.offset; {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-18 05:15:57,454 INFO L280 TraceCheckUtils]: 52: Hoare triple {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} goto; {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-18 05:15:57,455 INFO L280 TraceCheckUtils]: 53: Hoare triple {20278#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 main_~inner~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} SUMMARY for call #t~mem20.base, #t~mem20.offset := read~$Pointer$(~inner~0.base, ~inner~0.offset, 4); srcloc: L1026-6 {20279#(and (= 0 |main_#t~mem20.base|) (= 0 |main_#t~mem20.offset|))} is VALID [2020-07-18 05:15:57,455 INFO L280 TraceCheckUtils]: 54: Hoare triple {20279#(and (= 0 |main_#t~mem20.base|) (= 0 |main_#t~mem20.offset|))} assume !(0 == #t~mem20.base && 0 == #t~mem20.offset); {20262#false} is VALID [2020-07-18 05:15:57,456 INFO L280 TraceCheckUtils]: 55: Hoare triple {20262#false} havoc #t~mem20.base, #t~mem20.offset; {20262#false} is VALID [2020-07-18 05:15:57,456 INFO L280 TraceCheckUtils]: 56: Hoare triple {20262#false} assume !false; {20262#false} is VALID [2020-07-18 05:15:57,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:15:57,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [968523029] [2020-07-18 05:15:57,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:15:57,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-07-18 05:15:57,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575411808] [2020-07-18 05:15:57,469 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 57 [2020-07-18 05:15:57,469 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:15:57,469 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2020-07-18 05:15:57,550 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:15:57,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-18 05:15:57,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:15:57,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-18 05:15:57,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2020-07-18 05:15:57,551 INFO L87 Difference]: Start difference. First operand 268 states and 293 transitions. Second operand 15 states. [2020-07-18 05:16:10,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:10,378 INFO L93 Difference]: Finished difference Result 722 states and 782 transitions. [2020-07-18 05:16:10,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-18 05:16:10,378 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 57 [2020-07-18 05:16:10,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:16:10,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-18 05:16:10,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 543 transitions. [2020-07-18 05:16:10,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-18 05:16:10,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 543 transitions. [2020-07-18 05:16:10,385 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states and 543 transitions. [2020-07-18 05:16:11,245 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 543 edges. 543 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:11,267 INFO L225 Difference]: With dead ends: 722 [2020-07-18 05:16:11,267 INFO L226 Difference]: Without dead ends: 719 [2020-07-18 05:16:11,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=272, Invalid=850, Unknown=0, NotChecked=0, Total=1122 [2020-07-18 05:16:11,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2020-07-18 05:16:13,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 272. [2020-07-18 05:16:13,806 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:16:13,806 INFO L82 GeneralOperation]: Start isEquivalent. First operand 719 states. Second operand 272 states. [2020-07-18 05:16:13,806 INFO L74 IsIncluded]: Start isIncluded. First operand 719 states. Second operand 272 states. [2020-07-18 05:16:13,807 INFO L87 Difference]: Start difference. First operand 719 states. Second operand 272 states. [2020-07-18 05:16:13,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:13,827 INFO L93 Difference]: Finished difference Result 719 states and 779 transitions. [2020-07-18 05:16:13,827 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 779 transitions. [2020-07-18 05:16:13,830 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:13,831 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:13,831 INFO L74 IsIncluded]: Start isIncluded. First operand 272 states. Second operand 719 states. [2020-07-18 05:16:13,831 INFO L87 Difference]: Start difference. First operand 272 states. Second operand 719 states. [2020-07-18 05:16:13,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:13,857 INFO L93 Difference]: Finished difference Result 719 states and 779 transitions. [2020-07-18 05:16:13,857 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 779 transitions. [2020-07-18 05:16:13,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:13,858 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:13,859 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:16:13,859 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:16:13,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-07-18 05:16:13,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 297 transitions. [2020-07-18 05:16:13,864 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 297 transitions. Word has length 57 [2020-07-18 05:16:13,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:16:13,865 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 297 transitions. [2020-07-18 05:16:13,865 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-18 05:16:13,865 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 272 states and 297 transitions. [2020-07-18 05:16:14,968 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 297 edges. 297 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:14,969 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 297 transitions. [2020-07-18 05:16:14,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-18 05:16:14,970 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:16:14,970 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, 1, 1, 1, 1] [2020-07-18 05:16:14,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-18 05:16:14,970 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:16:14,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:16:14,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1939208096, now seen corresponding path program 1 times [2020-07-18 05:16:14,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:16:14,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1258023469] [2020-07-18 05:16:14,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:16:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:15,022 INFO L280 TraceCheckUtils]: 0: Hoare triple {23755#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {23747#true} is VALID [2020-07-18 05:16:15,023 INFO L280 TraceCheckUtils]: 1: Hoare triple {23747#true} #valid := #valid[0 := 0]; {23747#true} is VALID [2020-07-18 05:16:15,023 INFO L280 TraceCheckUtils]: 2: Hoare triple {23747#true} assume 0 < #StackHeapBarrier; {23747#true} is VALID [2020-07-18 05:16:15,023 INFO L280 TraceCheckUtils]: 3: Hoare triple {23747#true} assume true; {23747#true} is VALID [2020-07-18 05:16:15,023 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {23747#true} {23747#true} #419#return; {23747#true} is VALID [2020-07-18 05:16:15,037 INFO L263 TraceCheckUtils]: 0: Hoare triple {23747#true} call ULTIMATE.init(); {23755#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:16:15,038 INFO L280 TraceCheckUtils]: 1: Hoare triple {23755#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {23747#true} is VALID [2020-07-18 05:16:15,038 INFO L280 TraceCheckUtils]: 2: Hoare triple {23747#true} #valid := #valid[0 := 0]; {23747#true} is VALID [2020-07-18 05:16:15,038 INFO L280 TraceCheckUtils]: 3: Hoare triple {23747#true} assume 0 < #StackHeapBarrier; {23747#true} is VALID [2020-07-18 05:16:15,038 INFO L280 TraceCheckUtils]: 4: Hoare triple {23747#true} assume true; {23747#true} is VALID [2020-07-18 05:16:15,039 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {23747#true} {23747#true} #419#return; {23747#true} is VALID [2020-07-18 05:16:15,039 INFO L263 TraceCheckUtils]: 6: Hoare triple {23747#true} call #t~ret28 := main(); {23747#true} is VALID [2020-07-18 05:16:15,039 INFO L280 TraceCheckUtils]: 7: Hoare triple {23747#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {23747#true} is VALID [2020-07-18 05:16:15,039 INFO L280 TraceCheckUtils]: 8: Hoare triple {23747#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {23747#true} is VALID [2020-07-18 05:16:15,039 INFO L280 TraceCheckUtils]: 9: Hoare triple {23747#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {23747#true} is VALID [2020-07-18 05:16:15,039 INFO L280 TraceCheckUtils]: 10: Hoare triple {23747#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {23747#true} is VALID [2020-07-18 05:16:15,040 INFO L280 TraceCheckUtils]: 11: Hoare triple {23747#true} goto; {23747#true} is VALID [2020-07-18 05:16:15,040 INFO L280 TraceCheckUtils]: 12: Hoare triple {23747#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {23747#true} is VALID [2020-07-18 05:16:15,040 INFO L280 TraceCheckUtils]: 13: Hoare triple {23747#true} assume !(0 != #t~nondet1); {23747#true} is VALID [2020-07-18 05:16:15,040 INFO L280 TraceCheckUtils]: 14: Hoare triple {23747#true} havoc #t~nondet1; {23747#true} is VALID [2020-07-18 05:16:15,040 INFO L280 TraceCheckUtils]: 15: Hoare triple {23747#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8); srcloc: L993-10 {23747#true} is VALID [2020-07-18 05:16:15,041 INFO L280 TraceCheckUtils]: 16: Hoare triple {23747#true} SUMMARY for call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-11 {23747#true} is VALID [2020-07-18 05:16:15,041 INFO L280 TraceCheckUtils]: 17: Hoare triple {23747#true} SUMMARY for call #t~mem3.base, #t~mem3.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-12 {23747#true} is VALID [2020-07-18 05:16:15,041 INFO L280 TraceCheckUtils]: 18: Hoare triple {23747#true} SUMMARY for call write~$Pointer$(0, 0, #t~mem3.base, #t~mem3.offset, 4); srcloc: L993-13 {23747#true} is VALID [2020-07-18 05:16:15,041 INFO L280 TraceCheckUtils]: 19: Hoare triple {23747#true} havoc #t~mem3.base, #t~mem3.offset; {23747#true} is VALID [2020-07-18 05:16:15,041 INFO L280 TraceCheckUtils]: 20: Hoare triple {23747#true} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-15 {23747#true} is VALID [2020-07-18 05:16:15,041 INFO L280 TraceCheckUtils]: 21: Hoare triple {23747#true} SUMMARY for call write~$Pointer$(0, 0, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L993-16 {23747#true} is VALID [2020-07-18 05:16:15,042 INFO L280 TraceCheckUtils]: 22: Hoare triple {23747#true} havoc #t~mem4.base, #t~mem4.offset; {23747#true} is VALID [2020-07-18 05:16:15,042 INFO L280 TraceCheckUtils]: 23: Hoare triple {23747#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {23747#true} is VALID [2020-07-18 05:16:15,042 INFO L280 TraceCheckUtils]: 24: Hoare triple {23747#true} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {23747#true} is VALID [2020-07-18 05:16:15,042 INFO L280 TraceCheckUtils]: 25: Hoare triple {23747#true} assume #t~short7; {23747#true} is VALID [2020-07-18 05:16:15,042 INFO L280 TraceCheckUtils]: 26: Hoare triple {23747#true} assume !!#t~short7; {23747#true} is VALID [2020-07-18 05:16:15,042 INFO L280 TraceCheckUtils]: 27: Hoare triple {23747#true} havoc #t~mem5.base, #t~mem5.offset; {23747#true} is VALID [2020-07-18 05:16:15,043 INFO L280 TraceCheckUtils]: 28: Hoare triple {23747#true} havoc #t~short7; {23747#true} is VALID [2020-07-18 05:16:15,043 INFO L280 TraceCheckUtils]: 29: Hoare triple {23747#true} havoc #t~mem6.base, #t~mem6.offset; {23747#true} is VALID [2020-07-18 05:16:15,043 INFO L280 TraceCheckUtils]: 30: Hoare triple {23747#true} goto; {23747#true} is VALID [2020-07-18 05:16:15,043 INFO L280 TraceCheckUtils]: 31: Hoare triple {23747#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {23747#true} is VALID [2020-07-18 05:16:15,043 INFO L280 TraceCheckUtils]: 32: Hoare triple {23747#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {23747#true} is VALID [2020-07-18 05:16:15,043 INFO L280 TraceCheckUtils]: 33: Hoare triple {23747#true} assume !(0 != #t~nondet8); {23747#true} is VALID [2020-07-18 05:16:15,044 INFO L280 TraceCheckUtils]: 34: Hoare triple {23747#true} havoc #t~nondet8; {23747#true} is VALID [2020-07-18 05:16:15,044 INFO L280 TraceCheckUtils]: 35: Hoare triple {23747#true} ~end~0.base, ~end~0.offset := 0, 0; {23747#true} is VALID [2020-07-18 05:16:15,044 INFO L280 TraceCheckUtils]: 36: Hoare triple {23747#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {23747#true} is VALID [2020-07-18 05:16:15,044 INFO L280 TraceCheckUtils]: 37: Hoare triple {23747#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {23747#true} is VALID [2020-07-18 05:16:15,044 INFO L280 TraceCheckUtils]: 38: Hoare triple {23747#true} goto; {23747#true} is VALID [2020-07-18 05:16:15,045 INFO L280 TraceCheckUtils]: 39: Hoare triple {23747#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {23747#true} is VALID [2020-07-18 05:16:15,045 INFO L280 TraceCheckUtils]: 40: Hoare triple {23747#true} ~len~0 := 0; {23747#true} is VALID [2020-07-18 05:16:15,045 INFO L280 TraceCheckUtils]: 41: Hoare triple {23747#true} SUMMARY for call #t~mem18.base, #t~mem18.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1017 {23747#true} is VALID [2020-07-18 05:16:15,045 INFO L280 TraceCheckUtils]: 42: Hoare triple {23747#true} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {23747#true} is VALID [2020-07-18 05:16:15,045 INFO L280 TraceCheckUtils]: 43: Hoare triple {23747#true} havoc #t~mem18.base, #t~mem18.offset; {23747#true} is VALID [2020-07-18 05:16:15,045 INFO L280 TraceCheckUtils]: 44: Hoare triple {23747#true} assume !(0 != ~inner~0.base || 0 != ~inner~0.offset); {23747#true} is VALID [2020-07-18 05:16:15,046 INFO L280 TraceCheckUtils]: 45: Hoare triple {23747#true} assume !!(~len~0 <= 1); {23747#true} is VALID [2020-07-18 05:16:15,046 INFO L280 TraceCheckUtils]: 46: Hoare triple {23747#true} goto; {23747#true} is VALID [2020-07-18 05:16:15,046 INFO L280 TraceCheckUtils]: 47: Hoare triple {23747#true} SUMMARY for call #t~mem23.base, #t~mem23.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1031-4 {23747#true} is VALID [2020-07-18 05:16:15,046 INFO L280 TraceCheckUtils]: 48: Hoare triple {23747#true} ~end~0.base, ~end~0.offset := #t~mem23.base, #t~mem23.offset; {23747#true} is VALID [2020-07-18 05:16:15,046 INFO L280 TraceCheckUtils]: 49: Hoare triple {23747#true} havoc #t~mem23.base, #t~mem23.offset; {23747#true} is VALID [2020-07-18 05:16:15,046 INFO L280 TraceCheckUtils]: 50: Hoare triple {23747#true} assume !(0 != ~end~0.base || 0 != ~end~0.offset); {23747#true} is VALID [2020-07-18 05:16:15,047 INFO L280 TraceCheckUtils]: 51: Hoare triple {23747#true} assume !!(0 != ~list~0.base || 0 != ~list~0.offset); {23747#true} is VALID [2020-07-18 05:16:15,047 INFO L280 TraceCheckUtils]: 52: Hoare triple {23747#true} SUMMARY for call #t~mem24.base, #t~mem24.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L1039 {23747#true} is VALID [2020-07-18 05:16:15,047 INFO L280 TraceCheckUtils]: 53: Hoare triple {23747#true} ~end~0.base, ~end~0.offset := #t~mem24.base, #t~mem24.offset; {23747#true} is VALID [2020-07-18 05:16:15,047 INFO L280 TraceCheckUtils]: 54: Hoare triple {23747#true} havoc #t~mem24.base, #t~mem24.offset; {23747#true} is VALID [2020-07-18 05:16:15,048 INFO L280 TraceCheckUtils]: 55: Hoare triple {23747#true} assume 0 != ~end~0.base || 0 != ~end~0.offset; {23754#(or (not (= 0 main_~end~0.base)) (not (= 0 main_~end~0.offset)))} is VALID [2020-07-18 05:16:15,049 INFO L280 TraceCheckUtils]: 56: Hoare triple {23754#(or (not (= 0 main_~end~0.base)) (not (= 0 main_~end~0.offset)))} assume !(0 != ~end~0.base || 0 != ~end~0.offset); {23748#false} is VALID [2020-07-18 05:16:15,049 INFO L280 TraceCheckUtils]: 57: Hoare triple {23748#false} assume !false; {23748#false} is VALID [2020-07-18 05:16:15,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-18 05:16:15,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1258023469] [2020-07-18 05:16:15,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:16:15,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 05:16:15,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423495023] [2020-07-18 05:16:15,052 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-07-18 05:16:15,052 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:16:15,052 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 05:16:15,107 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:15,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 05:16:15,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:16:15,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 05:16:15,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 05:16:15,108 INFO L87 Difference]: Start difference. First operand 272 states and 297 transitions. Second operand 4 states. [2020-07-18 05:16:18,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:18,388 INFO L93 Difference]: Finished difference Result 277 states and 302 transitions. [2020-07-18 05:16:18,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 05:16:18,388 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-07-18 05:16:18,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:16:18,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 05:16:18,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 167 transitions. [2020-07-18 05:16:18,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 05:16:18,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 167 transitions. [2020-07-18 05:16:18,391 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 167 transitions. [2020-07-18 05:16:18,596 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:18,601 INFO L225 Difference]: With dead ends: 277 [2020-07-18 05:16:18,601 INFO L226 Difference]: Without dead ends: 275 [2020-07-18 05:16:18,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 05:16:18,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-07-18 05:16:21,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 270. [2020-07-18 05:16:21,180 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:16:21,180 INFO L82 GeneralOperation]: Start isEquivalent. First operand 275 states. Second operand 270 states. [2020-07-18 05:16:21,180 INFO L74 IsIncluded]: Start isIncluded. First operand 275 states. Second operand 270 states. [2020-07-18 05:16:21,181 INFO L87 Difference]: Start difference. First operand 275 states. Second operand 270 states. [2020-07-18 05:16:21,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:21,186 INFO L93 Difference]: Finished difference Result 275 states and 300 transitions. [2020-07-18 05:16:21,187 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 300 transitions. [2020-07-18 05:16:21,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:21,187 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:21,187 INFO L74 IsIncluded]: Start isIncluded. First operand 270 states. Second operand 275 states. [2020-07-18 05:16:21,187 INFO L87 Difference]: Start difference. First operand 270 states. Second operand 275 states. [2020-07-18 05:16:21,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:21,192 INFO L93 Difference]: Finished difference Result 275 states and 300 transitions. [2020-07-18 05:16:21,192 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 300 transitions. [2020-07-18 05:16:21,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:21,192 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:21,192 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:16:21,201 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:16:21,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-07-18 05:16:21,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 295 transitions. [2020-07-18 05:16:21,206 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 295 transitions. Word has length 58 [2020-07-18 05:16:21,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:16:21,206 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 295 transitions. [2020-07-18 05:16:21,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 05:16:21,207 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 270 states and 295 transitions. [2020-07-18 05:16:22,330 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 295 edges. 295 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:22,331 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 295 transitions. [2020-07-18 05:16:22,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-18 05:16:22,332 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:16:22,333 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-18 05:16:22,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-18 05:16:22,333 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:16:22,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:16:22,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1792411396, now seen corresponding path program 1 times [2020-07-18 05:16:22,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:16:22,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1404096623] [2020-07-18 05:16:22,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:16:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:22,451 INFO L280 TraceCheckUtils]: 0: Hoare triple {25413#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {25402#true} is VALID [2020-07-18 05:16:22,451 INFO L280 TraceCheckUtils]: 1: Hoare triple {25402#true} #valid := #valid[0 := 0]; {25402#true} is VALID [2020-07-18 05:16:22,451 INFO L280 TraceCheckUtils]: 2: Hoare triple {25402#true} assume 0 < #StackHeapBarrier; {25402#true} is VALID [2020-07-18 05:16:22,452 INFO L280 TraceCheckUtils]: 3: Hoare triple {25402#true} assume true; {25402#true} is VALID [2020-07-18 05:16:22,452 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {25402#true} {25402#true} #419#return; {25402#true} is VALID [2020-07-18 05:16:22,452 INFO L263 TraceCheckUtils]: 0: Hoare triple {25402#true} call ULTIMATE.init(); {25413#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:16:22,453 INFO L280 TraceCheckUtils]: 1: Hoare triple {25413#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {25402#true} is VALID [2020-07-18 05:16:22,453 INFO L280 TraceCheckUtils]: 2: Hoare triple {25402#true} #valid := #valid[0 := 0]; {25402#true} is VALID [2020-07-18 05:16:22,453 INFO L280 TraceCheckUtils]: 3: Hoare triple {25402#true} assume 0 < #StackHeapBarrier; {25402#true} is VALID [2020-07-18 05:16:22,453 INFO L280 TraceCheckUtils]: 4: Hoare triple {25402#true} assume true; {25402#true} is VALID [2020-07-18 05:16:22,453 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {25402#true} {25402#true} #419#return; {25402#true} is VALID [2020-07-18 05:16:22,453 INFO L263 TraceCheckUtils]: 6: Hoare triple {25402#true} call #t~ret28 := main(); {25402#true} is VALID [2020-07-18 05:16:22,453 INFO L280 TraceCheckUtils]: 7: Hoare triple {25402#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {25402#true} is VALID [2020-07-18 05:16:22,454 INFO L280 TraceCheckUtils]: 8: Hoare triple {25402#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {25402#true} is VALID [2020-07-18 05:16:22,455 INFO L280 TraceCheckUtils]: 9: Hoare triple {25402#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,456 INFO L280 TraceCheckUtils]: 10: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,456 INFO L280 TraceCheckUtils]: 11: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} goto; {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,457 INFO L280 TraceCheckUtils]: 12: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,457 INFO L280 TraceCheckUtils]: 13: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} assume 0 != #t~nondet1; {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,458 INFO L280 TraceCheckUtils]: 14: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} havoc #t~nondet1; {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,459 INFO L280 TraceCheckUtils]: 15: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,460 INFO L280 TraceCheckUtils]: 16: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,461 INFO L280 TraceCheckUtils]: 17: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,461 INFO L280 TraceCheckUtils]: 18: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} assume !#t~short7; {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,462 INFO L280 TraceCheckUtils]: 19: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-22 {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,463 INFO L280 TraceCheckUtils]: 20: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} #t~short7 := #t~mem6.base == 0 && #t~mem6.offset == 0; {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,464 INFO L280 TraceCheckUtils]: 21: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} assume !!#t~short7; {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,465 INFO L280 TraceCheckUtils]: 22: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} havoc #t~mem5.base, #t~mem5.offset; {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,465 INFO L280 TraceCheckUtils]: 23: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} havoc #t~short7; {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,466 INFO L280 TraceCheckUtils]: 24: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} havoc #t~mem6.base, #t~mem6.offset; {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,466 INFO L280 TraceCheckUtils]: 25: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} goto; {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,467 INFO L280 TraceCheckUtils]: 26: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,467 INFO L280 TraceCheckUtils]: 27: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,468 INFO L280 TraceCheckUtils]: 28: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} assume !(0 != #t~nondet8); {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,469 INFO L280 TraceCheckUtils]: 29: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} havoc #t~nondet8; {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,469 INFO L280 TraceCheckUtils]: 30: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} ~end~0.base, ~end~0.offset := 0, 0; {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} is VALID [2020-07-18 05:16:22,470 INFO L280 TraceCheckUtils]: 31: Hoare triple {25409#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4) 0) main_~list~0.offset)))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:16:22,471 INFO L280 TraceCheckUtils]: 32: Hoare triple {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:16:22,471 INFO L280 TraceCheckUtils]: 33: Hoare triple {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} goto; {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:16:22,472 INFO L280 TraceCheckUtils]: 34: Hoare triple {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:16:22,473 INFO L280 TraceCheckUtils]: 35: Hoare triple {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} ~len~0 := 0; {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:16:22,474 INFO L280 TraceCheckUtils]: 36: Hoare triple {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} SUMMARY for call #t~mem18.base, #t~mem18.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1017 {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:16:22,474 INFO L280 TraceCheckUtils]: 37: Hoare triple {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:16:22,475 INFO L280 TraceCheckUtils]: 38: Hoare triple {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} havoc #t~mem18.base, #t~mem18.offset; {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:16:22,476 INFO L280 TraceCheckUtils]: 39: Hoare triple {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} assume !(0 != ~inner~0.base || 0 != ~inner~0.offset); {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:16:22,477 INFO L280 TraceCheckUtils]: 40: Hoare triple {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} assume !!(~len~0 <= 1); {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:16:22,478 INFO L280 TraceCheckUtils]: 41: Hoare triple {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} goto; {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-18 05:16:22,478 INFO L280 TraceCheckUtils]: 42: Hoare triple {25410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} SUMMARY for call #t~mem23.base, #t~mem23.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1031-4 {25411#(and (= 0 |main_#t~mem23.base|) (= |main_#t~mem23.offset| 0))} is VALID [2020-07-18 05:16:22,480 INFO L280 TraceCheckUtils]: 43: Hoare triple {25411#(and (= 0 |main_#t~mem23.base|) (= |main_#t~mem23.offset| 0))} ~end~0.base, ~end~0.offset := #t~mem23.base, #t~mem23.offset; {25412#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} is VALID [2020-07-18 05:16:22,481 INFO L280 TraceCheckUtils]: 44: Hoare triple {25412#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} havoc #t~mem23.base, #t~mem23.offset; {25412#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} is VALID [2020-07-18 05:16:22,481 INFO L280 TraceCheckUtils]: 45: Hoare triple {25412#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {25403#false} is VALID [2020-07-18 05:16:22,481 INFO L280 TraceCheckUtils]: 46: Hoare triple {25403#false} ~len~0 := 0; {25403#false} is VALID [2020-07-18 05:16:22,482 INFO L280 TraceCheckUtils]: 47: Hoare triple {25403#false} SUMMARY for call #t~mem18.base, #t~mem18.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1017 {25403#false} is VALID [2020-07-18 05:16:22,482 INFO L280 TraceCheckUtils]: 48: Hoare triple {25403#false} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {25403#false} is VALID [2020-07-18 05:16:22,482 INFO L280 TraceCheckUtils]: 49: Hoare triple {25403#false} havoc #t~mem18.base, #t~mem18.offset; {25403#false} is VALID [2020-07-18 05:16:22,482 INFO L280 TraceCheckUtils]: 50: Hoare triple {25403#false} assume !!(0 != ~inner~0.base || 0 != ~inner~0.offset); {25403#false} is VALID [2020-07-18 05:16:22,482 INFO L280 TraceCheckUtils]: 51: Hoare triple {25403#false} assume 0 == ~len~0; {25403#false} is VALID [2020-07-18 05:16:22,482 INFO L280 TraceCheckUtils]: 52: Hoare triple {25403#false} ~len~0 := 1; {25403#false} is VALID [2020-07-18 05:16:22,483 INFO L280 TraceCheckUtils]: 53: Hoare triple {25403#false} assume !!(0 != ~inner~0.base || 0 != ~inner~0.offset); {25403#false} is VALID [2020-07-18 05:16:22,483 INFO L280 TraceCheckUtils]: 54: Hoare triple {25403#false} goto; {25403#false} is VALID [2020-07-18 05:16:22,483 INFO L280 TraceCheckUtils]: 55: Hoare triple {25403#false} SUMMARY for call #t~mem19.base, #t~mem19.offset := read~$Pointer$(~inner~0.base, 4 + ~inner~0.offset, 4); srcloc: L1025-6 {25403#false} is VALID [2020-07-18 05:16:22,483 INFO L280 TraceCheckUtils]: 56: Hoare triple {25403#false} assume !(0 == #t~mem19.base && 0 == #t~mem19.offset); {25403#false} is VALID [2020-07-18 05:16:22,483 INFO L280 TraceCheckUtils]: 57: Hoare triple {25403#false} havoc #t~mem19.base, #t~mem19.offset; {25403#false} is VALID [2020-07-18 05:16:22,484 INFO L280 TraceCheckUtils]: 58: Hoare triple {25403#false} assume !false; {25403#false} is VALID [2020-07-18 05:16:22,493 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:16:22,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1404096623] [2020-07-18 05:16:22,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 05:16:22,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-18 05:16:22,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897284889] [2020-07-18 05:16:22,494 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 59 [2020-07-18 05:16:22,494 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:16:22,495 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 05:16:22,573 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:22,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 05:16:22,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:16:22,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 05:16:22,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-18 05:16:22,574 INFO L87 Difference]: Start difference. First operand 270 states and 295 transitions. Second operand 7 states. [2020-07-18 05:16:27,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:27,462 INFO L93 Difference]: Finished difference Result 421 states and 458 transitions. [2020-07-18 05:16:27,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-18 05:16:27,462 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 59 [2020-07-18 05:16:27,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:16:27,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 05:16:27,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 313 transitions. [2020-07-18 05:16:27,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 05:16:27,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 313 transitions. [2020-07-18 05:16:27,466 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 313 transitions. [2020-07-18 05:16:27,883 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 313 edges. 313 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:27,890 INFO L225 Difference]: With dead ends: 421 [2020-07-18 05:16:27,890 INFO L226 Difference]: Without dead ends: 312 [2020-07-18 05:16:27,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-07-18 05:16:27,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-07-18 05:16:30,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 270. [2020-07-18 05:16:30,728 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:16:30,728 INFO L82 GeneralOperation]: Start isEquivalent. First operand 312 states. Second operand 270 states. [2020-07-18 05:16:30,728 INFO L74 IsIncluded]: Start isIncluded. First operand 312 states. Second operand 270 states. [2020-07-18 05:16:30,728 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 270 states. [2020-07-18 05:16:30,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:30,735 INFO L93 Difference]: Finished difference Result 312 states and 333 transitions. [2020-07-18 05:16:30,735 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 333 transitions. [2020-07-18 05:16:30,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:30,735 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:30,735 INFO L74 IsIncluded]: Start isIncluded. First operand 270 states. Second operand 312 states. [2020-07-18 05:16:30,736 INFO L87 Difference]: Start difference. First operand 270 states. Second operand 312 states. [2020-07-18 05:16:30,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:30,742 INFO L93 Difference]: Finished difference Result 312 states and 333 transitions. [2020-07-18 05:16:30,742 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 333 transitions. [2020-07-18 05:16:30,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:30,743 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:30,743 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:16:30,743 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:16:30,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-07-18 05:16:30,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 293 transitions. [2020-07-18 05:16:30,749 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 293 transitions. Word has length 59 [2020-07-18 05:16:30,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:16:30,749 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 293 transitions. [2020-07-18 05:16:30,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 05:16:30,749 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 270 states and 293 transitions. [2020-07-18 05:16:31,956 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 293 edges. 293 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:31,956 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 293 transitions. [2020-07-18 05:16:31,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-18 05:16:31,957 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:16:31,958 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:16:31,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-18 05:16:31,958 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:16:31,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:16:31,959 INFO L82 PathProgramCache]: Analyzing trace with hash -984681049, now seen corresponding path program 1 times [2020-07-18 05:16:31,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:16:31,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [515053222] [2020-07-18 05:16:31,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:16:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:32,285 INFO L280 TraceCheckUtils]: 0: Hoare triple {27450#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {27430#true} is VALID [2020-07-18 05:16:32,285 INFO L280 TraceCheckUtils]: 1: Hoare triple {27430#true} #valid := #valid[0 := 0]; {27430#true} is VALID [2020-07-18 05:16:32,285 INFO L280 TraceCheckUtils]: 2: Hoare triple {27430#true} assume 0 < #StackHeapBarrier; {27430#true} is VALID [2020-07-18 05:16:32,286 INFO L280 TraceCheckUtils]: 3: Hoare triple {27430#true} assume true; {27430#true} is VALID [2020-07-18 05:16:32,286 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {27430#true} {27430#true} #419#return; {27430#true} is VALID [2020-07-18 05:16:32,286 INFO L263 TraceCheckUtils]: 0: Hoare triple {27430#true} call ULTIMATE.init(); {27450#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:16:32,286 INFO L280 TraceCheckUtils]: 1: Hoare triple {27450#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {27430#true} is VALID [2020-07-18 05:16:32,287 INFO L280 TraceCheckUtils]: 2: Hoare triple {27430#true} #valid := #valid[0 := 0]; {27430#true} is VALID [2020-07-18 05:16:32,287 INFO L280 TraceCheckUtils]: 3: Hoare triple {27430#true} assume 0 < #StackHeapBarrier; {27430#true} is VALID [2020-07-18 05:16:32,287 INFO L280 TraceCheckUtils]: 4: Hoare triple {27430#true} assume true; {27430#true} is VALID [2020-07-18 05:16:32,287 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {27430#true} {27430#true} #419#return; {27430#true} is VALID [2020-07-18 05:16:32,287 INFO L263 TraceCheckUtils]: 6: Hoare triple {27430#true} call #t~ret28 := main(); {27430#true} is VALID [2020-07-18 05:16:32,288 INFO L280 TraceCheckUtils]: 7: Hoare triple {27430#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {27437#(= 1 (select |#valid| |main_#t~malloc0.base|))} is VALID [2020-07-18 05:16:32,289 INFO L280 TraceCheckUtils]: 8: Hoare triple {27437#(= 1 (select |#valid| |main_#t~malloc0.base|))} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {27438#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:16:32,289 INFO L280 TraceCheckUtils]: 9: Hoare triple {27438#(= 1 (select |#valid| main_~list~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {27438#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:16:32,292 INFO L280 TraceCheckUtils]: 10: Hoare triple {27438#(= 1 (select |#valid| main_~list~0.base))} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {27438#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:16:32,296 INFO L280 TraceCheckUtils]: 11: Hoare triple {27438#(= 1 (select |#valid| main_~list~0.base))} goto; {27438#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:16:32,297 INFO L280 TraceCheckUtils]: 12: Hoare triple {27438#(= 1 (select |#valid| main_~list~0.base))} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {27438#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:16:32,298 INFO L280 TraceCheckUtils]: 13: Hoare triple {27438#(= 1 (select |#valid| main_~list~0.base))} assume !(0 != #t~nondet1); {27438#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:16:32,298 INFO L280 TraceCheckUtils]: 14: Hoare triple {27438#(= 1 (select |#valid| main_~list~0.base))} havoc #t~nondet1; {27438#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-18 05:16:32,299 INFO L280 TraceCheckUtils]: 15: Hoare triple {27438#(= 1 (select |#valid| main_~list~0.base))} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8); srcloc: L993-10 {27439#(and (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~list~0.base)))} is VALID [2020-07-18 05:16:32,300 INFO L280 TraceCheckUtils]: 16: Hoare triple {27439#(and (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~list~0.base)))} SUMMARY for call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-11 {27440#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:16:32,301 INFO L280 TraceCheckUtils]: 17: Hoare triple {27440#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))))} SUMMARY for call #t~mem3.base, #t~mem3.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-12 {27441#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) |main_#t~mem3.base|) (not (= |main_#t~mem3.base| main_~list~0.base)))} is VALID [2020-07-18 05:16:32,302 INFO L280 TraceCheckUtils]: 18: Hoare triple {27441#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) |main_#t~mem3.base|) (not (= |main_#t~mem3.base| main_~list~0.base)))} SUMMARY for call write~$Pointer$(0, 0, #t~mem3.base, #t~mem3.offset, 4); srcloc: L993-13 {27440#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:16:32,303 INFO L280 TraceCheckUtils]: 19: Hoare triple {27440#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))))} havoc #t~mem3.base, #t~mem3.offset; {27440#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:16:32,304 INFO L280 TraceCheckUtils]: 20: Hoare triple {27440#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-15 {27442#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (not (= |main_#t~mem4.base| main_~list~0.base)))} is VALID [2020-07-18 05:16:32,305 INFO L280 TraceCheckUtils]: 21: Hoare triple {27442#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4))) (not (= |main_#t~mem4.base| main_~list~0.base)))} SUMMARY for call write~$Pointer$(0, 0, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L993-16 {27443#(= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4)))} is VALID [2020-07-18 05:16:32,305 INFO L280 TraceCheckUtils]: 22: Hoare triple {27443#(= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4)))} havoc #t~mem4.base, #t~mem4.offset; {27443#(= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4)))} is VALID [2020-07-18 05:16:32,306 INFO L280 TraceCheckUtils]: 23: Hoare triple {27443#(= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4)))} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {27444#(and (= 0 |main_#t~mem5.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) |main_#t~mem5.base|))} is VALID [2020-07-18 05:16:32,307 INFO L280 TraceCheckUtils]: 24: Hoare triple {27444#(and (= 0 |main_#t~mem5.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)) |main_#t~mem5.base|))} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {27445#(or (not |main_#t~short7|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)))))} is VALID [2020-07-18 05:16:32,307 INFO L280 TraceCheckUtils]: 25: Hoare triple {27445#(or (not |main_#t~short7|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)))))} assume #t~short7; {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:16:32,308 INFO L280 TraceCheckUtils]: 26: Hoare triple {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} assume !!#t~short7; {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:16:32,309 INFO L280 TraceCheckUtils]: 27: Hoare triple {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} havoc #t~mem5.base, #t~mem5.offset; {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:16:32,309 INFO L280 TraceCheckUtils]: 28: Hoare triple {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} havoc #t~short7; {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:16:32,310 INFO L280 TraceCheckUtils]: 29: Hoare triple {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} havoc #t~mem6.base, #t~mem6.offset; {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:16:32,310 INFO L280 TraceCheckUtils]: 30: Hoare triple {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} goto; {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:16:32,311 INFO L280 TraceCheckUtils]: 31: Hoare triple {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:16:32,311 INFO L280 TraceCheckUtils]: 32: Hoare triple {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:16:32,312 INFO L280 TraceCheckUtils]: 33: Hoare triple {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} assume !(0 != #t~nondet8); {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:16:32,312 INFO L280 TraceCheckUtils]: 34: Hoare triple {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} havoc #t~nondet8; {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:16:32,313 INFO L280 TraceCheckUtils]: 35: Hoare triple {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} ~end~0.base, ~end~0.offset := 0, 0; {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-18 05:16:32,314 INFO L280 TraceCheckUtils]: 36: Hoare triple {27446#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {27447#(not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} is VALID [2020-07-18 05:16:32,314 INFO L280 TraceCheckUtils]: 37: Hoare triple {27447#(not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {27447#(not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} is VALID [2020-07-18 05:16:32,315 INFO L280 TraceCheckUtils]: 38: Hoare triple {27447#(not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} goto; {27447#(not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} is VALID [2020-07-18 05:16:32,316 INFO L280 TraceCheckUtils]: 39: Hoare triple {27447#(not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {27447#(not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} is VALID [2020-07-18 05:16:32,317 INFO L280 TraceCheckUtils]: 40: Hoare triple {27447#(not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} ~len~0 := 0; {27447#(not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} is VALID [2020-07-18 05:16:32,317 INFO L280 TraceCheckUtils]: 41: Hoare triple {27447#(not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4))))} SUMMARY for call #t~mem18.base, #t~mem18.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1017 {27448#(not (= 0 |main_#t~mem18.base|))} is VALID [2020-07-18 05:16:32,318 INFO L280 TraceCheckUtils]: 42: Hoare triple {27448#(not (= 0 |main_#t~mem18.base|))} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {27449#(not (= 0 main_~inner~0.base))} is VALID [2020-07-18 05:16:32,319 INFO L280 TraceCheckUtils]: 43: Hoare triple {27449#(not (= 0 main_~inner~0.base))} havoc #t~mem18.base, #t~mem18.offset; {27449#(not (= 0 main_~inner~0.base))} is VALID [2020-07-18 05:16:32,319 INFO L280 TraceCheckUtils]: 44: Hoare triple {27449#(not (= 0 main_~inner~0.base))} assume !(0 != ~inner~0.base || 0 != ~inner~0.offset); {27431#false} is VALID [2020-07-18 05:16:32,319 INFO L280 TraceCheckUtils]: 45: Hoare triple {27431#false} assume !!(~len~0 <= 1); {27431#false} is VALID [2020-07-18 05:16:32,320 INFO L280 TraceCheckUtils]: 46: Hoare triple {27431#false} goto; {27431#false} is VALID [2020-07-18 05:16:32,320 INFO L280 TraceCheckUtils]: 47: Hoare triple {27431#false} SUMMARY for call #t~mem23.base, #t~mem23.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1031-4 {27431#false} is VALID [2020-07-18 05:16:32,320 INFO L280 TraceCheckUtils]: 48: Hoare triple {27431#false} ~end~0.base, ~end~0.offset := #t~mem23.base, #t~mem23.offset; {27431#false} is VALID [2020-07-18 05:16:32,320 INFO L280 TraceCheckUtils]: 49: Hoare triple {27431#false} havoc #t~mem23.base, #t~mem23.offset; {27431#false} is VALID [2020-07-18 05:16:32,320 INFO L280 TraceCheckUtils]: 50: Hoare triple {27431#false} assume !(0 != ~end~0.base || 0 != ~end~0.offset); {27431#false} is VALID [2020-07-18 05:16:32,320 INFO L280 TraceCheckUtils]: 51: Hoare triple {27431#false} assume !!(0 != ~list~0.base || 0 != ~list~0.offset); {27431#false} is VALID [2020-07-18 05:16:32,321 INFO L280 TraceCheckUtils]: 52: Hoare triple {27431#false} SUMMARY for call #t~mem24.base, #t~mem24.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L1039 {27431#false} is VALID [2020-07-18 05:16:32,321 INFO L280 TraceCheckUtils]: 53: Hoare triple {27431#false} ~end~0.base, ~end~0.offset := #t~mem24.base, #t~mem24.offset; {27431#false} is VALID [2020-07-18 05:16:32,321 INFO L280 TraceCheckUtils]: 54: Hoare triple {27431#false} havoc #t~mem24.base, #t~mem24.offset; {27431#false} is VALID [2020-07-18 05:16:32,321 INFO L280 TraceCheckUtils]: 55: Hoare triple {27431#false} assume 0 != ~end~0.base || 0 != ~end~0.offset; {27431#false} is VALID [2020-07-18 05:16:32,321 INFO L280 TraceCheckUtils]: 56: Hoare triple {27431#false} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {27431#false} is VALID [2020-07-18 05:16:32,321 INFO L280 TraceCheckUtils]: 57: Hoare triple {27431#false} goto; {27431#false} is VALID [2020-07-18 05:16:32,322 INFO L280 TraceCheckUtils]: 58: Hoare triple {27431#false} SUMMARY for call #t~mem25.base, #t~mem25.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1044-6 {27431#false} is VALID [2020-07-18 05:16:32,322 INFO L280 TraceCheckUtils]: 59: Hoare triple {27431#false} assume !(0 == #t~mem25.base && 0 == #t~mem25.offset); {27431#false} is VALID [2020-07-18 05:16:32,322 INFO L280 TraceCheckUtils]: 60: Hoare triple {27431#false} havoc #t~mem25.base, #t~mem25.offset; {27431#false} is VALID [2020-07-18 05:16:32,322 INFO L280 TraceCheckUtils]: 61: Hoare triple {27431#false} assume !false; {27431#false} is VALID [2020-07-18 05:16:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:16:32,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [515053222] [2020-07-18 05:16:32,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:16:32,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-07-18 05:16:32,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659074219] [2020-07-18 05:16:32,331 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 62 [2020-07-18 05:16:32,331 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:16:32,331 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states. [2020-07-18 05:16:32,400 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:32,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-18 05:16:32,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:16:32,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-18 05:16:32,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2020-07-18 05:16:32,402 INFO L87 Difference]: Start difference. First operand 270 states and 293 transitions. Second operand 16 states. [2020-07-18 05:16:44,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:44,293 INFO L93 Difference]: Finished difference Result 574 states and 610 transitions. [2020-07-18 05:16:44,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-18 05:16:44,293 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 62 [2020-07-18 05:16:44,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:16:44,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-18 05:16:44,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 524 transitions. [2020-07-18 05:16:44,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-18 05:16:44,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 524 transitions. [2020-07-18 05:16:44,304 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states and 524 transitions. [2020-07-18 05:16:45,098 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 524 edges. 524 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:45,115 INFO L225 Difference]: With dead ends: 574 [2020-07-18 05:16:45,115 INFO L226 Difference]: Without dead ends: 540 [2020-07-18 05:16:45,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=274, Invalid=916, Unknown=0, NotChecked=0, Total=1190 [2020-07-18 05:16:45,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2020-07-18 05:16:48,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 269. [2020-07-18 05:16:48,081 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:16:48,081 INFO L82 GeneralOperation]: Start isEquivalent. First operand 540 states. Second operand 269 states. [2020-07-18 05:16:48,081 INFO L74 IsIncluded]: Start isIncluded. First operand 540 states. Second operand 269 states. [2020-07-18 05:16:48,082 INFO L87 Difference]: Start difference. First operand 540 states. Second operand 269 states. [2020-07-18 05:16:48,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:48,097 INFO L93 Difference]: Finished difference Result 540 states and 574 transitions. [2020-07-18 05:16:48,098 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 574 transitions. [2020-07-18 05:16:48,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:48,098 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:48,099 INFO L74 IsIncluded]: Start isIncluded. First operand 269 states. Second operand 540 states. [2020-07-18 05:16:48,099 INFO L87 Difference]: Start difference. First operand 269 states. Second operand 540 states. [2020-07-18 05:16:48,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:48,115 INFO L93 Difference]: Finished difference Result 540 states and 574 transitions. [2020-07-18 05:16:48,115 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 574 transitions. [2020-07-18 05:16:48,116 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:48,116 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:48,116 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:16:48,116 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:16:48,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-07-18 05:16:48,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 291 transitions. [2020-07-18 05:16:48,122 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 291 transitions. Word has length 62 [2020-07-18 05:16:48,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:16:48,122 INFO L479 AbstractCegarLoop]: Abstraction has 269 states and 291 transitions. [2020-07-18 05:16:48,122 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-18 05:16:48,122 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 269 states and 291 transitions. [2020-07-18 05:16:49,341 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 291 edges. 291 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:49,341 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 291 transitions. [2020-07-18 05:16:49,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-18 05:16:49,342 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:16:49,342 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:16:49,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-18 05:16:49,343 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:16:49,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:16:49,344 INFO L82 PathProgramCache]: Analyzing trace with hash -649286859, now seen corresponding path program 1 times [2020-07-18 05:16:49,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:16:49,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759892269] [2020-07-18 05:16:49,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:16:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:16:49,409 INFO L280 TraceCheckUtils]: 0: Hoare triple {30265#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {30257#true} is VALID [2020-07-18 05:16:49,409 INFO L280 TraceCheckUtils]: 1: Hoare triple {30257#true} #valid := #valid[0 := 0]; {30257#true} is VALID [2020-07-18 05:16:49,409 INFO L280 TraceCheckUtils]: 2: Hoare triple {30257#true} assume 0 < #StackHeapBarrier; {30257#true} is VALID [2020-07-18 05:16:49,410 INFO L280 TraceCheckUtils]: 3: Hoare triple {30257#true} assume true; {30257#true} is VALID [2020-07-18 05:16:49,410 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {30257#true} {30257#true} #419#return; {30257#true} is VALID [2020-07-18 05:16:49,411 INFO L263 TraceCheckUtils]: 0: Hoare triple {30257#true} call ULTIMATE.init(); {30265#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:16:49,411 INFO L280 TraceCheckUtils]: 1: Hoare triple {30265#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {30257#true} is VALID [2020-07-18 05:16:49,411 INFO L280 TraceCheckUtils]: 2: Hoare triple {30257#true} #valid := #valid[0 := 0]; {30257#true} is VALID [2020-07-18 05:16:49,411 INFO L280 TraceCheckUtils]: 3: Hoare triple {30257#true} assume 0 < #StackHeapBarrier; {30257#true} is VALID [2020-07-18 05:16:49,412 INFO L280 TraceCheckUtils]: 4: Hoare triple {30257#true} assume true; {30257#true} is VALID [2020-07-18 05:16:49,412 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {30257#true} {30257#true} #419#return; {30257#true} is VALID [2020-07-18 05:16:49,412 INFO L263 TraceCheckUtils]: 6: Hoare triple {30257#true} call #t~ret28 := main(); {30257#true} is VALID [2020-07-18 05:16:49,413 INFO L280 TraceCheckUtils]: 7: Hoare triple {30257#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {30257#true} is VALID [2020-07-18 05:16:49,413 INFO L280 TraceCheckUtils]: 8: Hoare triple {30257#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {30257#true} is VALID [2020-07-18 05:16:49,414 INFO L280 TraceCheckUtils]: 9: Hoare triple {30257#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {30257#true} is VALID [2020-07-18 05:16:49,414 INFO L280 TraceCheckUtils]: 10: Hoare triple {30257#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {30257#true} is VALID [2020-07-18 05:16:49,414 INFO L280 TraceCheckUtils]: 11: Hoare triple {30257#true} goto; {30257#true} is VALID [2020-07-18 05:16:49,414 INFO L280 TraceCheckUtils]: 12: Hoare triple {30257#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {30257#true} is VALID [2020-07-18 05:16:49,414 INFO L280 TraceCheckUtils]: 13: Hoare triple {30257#true} assume !(0 != #t~nondet1); {30257#true} is VALID [2020-07-18 05:16:49,414 INFO L280 TraceCheckUtils]: 14: Hoare triple {30257#true} havoc #t~nondet1; {30257#true} is VALID [2020-07-18 05:16:49,414 INFO L280 TraceCheckUtils]: 15: Hoare triple {30257#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8); srcloc: L993-10 {30257#true} is VALID [2020-07-18 05:16:49,415 INFO L280 TraceCheckUtils]: 16: Hoare triple {30257#true} SUMMARY for call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-11 {30257#true} is VALID [2020-07-18 05:16:49,415 INFO L280 TraceCheckUtils]: 17: Hoare triple {30257#true} SUMMARY for call #t~mem3.base, #t~mem3.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-12 {30257#true} is VALID [2020-07-18 05:16:49,415 INFO L280 TraceCheckUtils]: 18: Hoare triple {30257#true} SUMMARY for call write~$Pointer$(0, 0, #t~mem3.base, #t~mem3.offset, 4); srcloc: L993-13 {30257#true} is VALID [2020-07-18 05:16:49,415 INFO L280 TraceCheckUtils]: 19: Hoare triple {30257#true} havoc #t~mem3.base, #t~mem3.offset; {30257#true} is VALID [2020-07-18 05:16:49,415 INFO L280 TraceCheckUtils]: 20: Hoare triple {30257#true} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-15 {30257#true} is VALID [2020-07-18 05:16:49,415 INFO L280 TraceCheckUtils]: 21: Hoare triple {30257#true} SUMMARY for call write~$Pointer$(0, 0, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L993-16 {30257#true} is VALID [2020-07-18 05:16:49,416 INFO L280 TraceCheckUtils]: 22: Hoare triple {30257#true} havoc #t~mem4.base, #t~mem4.offset; {30257#true} is VALID [2020-07-18 05:16:49,416 INFO L280 TraceCheckUtils]: 23: Hoare triple {30257#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {30257#true} is VALID [2020-07-18 05:16:49,416 INFO L280 TraceCheckUtils]: 24: Hoare triple {30257#true} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {30257#true} is VALID [2020-07-18 05:16:49,416 INFO L280 TraceCheckUtils]: 25: Hoare triple {30257#true} assume #t~short7; {30257#true} is VALID [2020-07-18 05:16:49,416 INFO L280 TraceCheckUtils]: 26: Hoare triple {30257#true} assume !!#t~short7; {30257#true} is VALID [2020-07-18 05:16:49,417 INFO L280 TraceCheckUtils]: 27: Hoare triple {30257#true} havoc #t~mem5.base, #t~mem5.offset; {30257#true} is VALID [2020-07-18 05:16:49,417 INFO L280 TraceCheckUtils]: 28: Hoare triple {30257#true} havoc #t~short7; {30257#true} is VALID [2020-07-18 05:16:49,417 INFO L280 TraceCheckUtils]: 29: Hoare triple {30257#true} havoc #t~mem6.base, #t~mem6.offset; {30257#true} is VALID [2020-07-18 05:16:49,417 INFO L280 TraceCheckUtils]: 30: Hoare triple {30257#true} goto; {30257#true} is VALID [2020-07-18 05:16:49,417 INFO L280 TraceCheckUtils]: 31: Hoare triple {30257#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {30257#true} is VALID [2020-07-18 05:16:49,417 INFO L280 TraceCheckUtils]: 32: Hoare triple {30257#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {30257#true} is VALID [2020-07-18 05:16:49,417 INFO L280 TraceCheckUtils]: 33: Hoare triple {30257#true} assume !(0 != #t~nondet8); {30257#true} is VALID [2020-07-18 05:16:49,418 INFO L280 TraceCheckUtils]: 34: Hoare triple {30257#true} havoc #t~nondet8; {30257#true} is VALID [2020-07-18 05:16:49,418 INFO L280 TraceCheckUtils]: 35: Hoare triple {30257#true} ~end~0.base, ~end~0.offset := 0, 0; {30257#true} is VALID [2020-07-18 05:16:49,418 INFO L280 TraceCheckUtils]: 36: Hoare triple {30257#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {30257#true} is VALID [2020-07-18 05:16:49,418 INFO L280 TraceCheckUtils]: 37: Hoare triple {30257#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {30257#true} is VALID [2020-07-18 05:16:49,418 INFO L280 TraceCheckUtils]: 38: Hoare triple {30257#true} goto; {30257#true} is VALID [2020-07-18 05:16:49,418 INFO L280 TraceCheckUtils]: 39: Hoare triple {30257#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {30257#true} is VALID [2020-07-18 05:16:49,419 INFO L280 TraceCheckUtils]: 40: Hoare triple {30257#true} ~len~0 := 0; {30257#true} is VALID [2020-07-18 05:16:49,419 INFO L280 TraceCheckUtils]: 41: Hoare triple {30257#true} SUMMARY for call #t~mem18.base, #t~mem18.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1017 {30257#true} is VALID [2020-07-18 05:16:49,419 INFO L280 TraceCheckUtils]: 42: Hoare triple {30257#true} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {30257#true} is VALID [2020-07-18 05:16:49,419 INFO L280 TraceCheckUtils]: 43: Hoare triple {30257#true} havoc #t~mem18.base, #t~mem18.offset; {30257#true} is VALID [2020-07-18 05:16:49,419 INFO L280 TraceCheckUtils]: 44: Hoare triple {30257#true} assume !!(0 != ~inner~0.base || 0 != ~inner~0.offset); {30257#true} is VALID [2020-07-18 05:16:49,419 INFO L280 TraceCheckUtils]: 45: Hoare triple {30257#true} assume 0 == ~len~0; {30257#true} is VALID [2020-07-18 05:16:49,420 INFO L280 TraceCheckUtils]: 46: Hoare triple {30257#true} ~len~0 := 1; {30264#(= 1 main_~len~0)} is VALID [2020-07-18 05:16:49,421 INFO L280 TraceCheckUtils]: 47: Hoare triple {30264#(= 1 main_~len~0)} assume !!(0 != ~inner~0.base || 0 != ~inner~0.offset); {30264#(= 1 main_~len~0)} is VALID [2020-07-18 05:16:49,421 INFO L280 TraceCheckUtils]: 48: Hoare triple {30264#(= 1 main_~len~0)} goto; {30264#(= 1 main_~len~0)} is VALID [2020-07-18 05:16:49,422 INFO L280 TraceCheckUtils]: 49: Hoare triple {30264#(= 1 main_~len~0)} SUMMARY for call #t~mem19.base, #t~mem19.offset := read~$Pointer$(~inner~0.base, 4 + ~inner~0.offset, 4); srcloc: L1025-6 {30264#(= 1 main_~len~0)} is VALID [2020-07-18 05:16:49,422 INFO L280 TraceCheckUtils]: 50: Hoare triple {30264#(= 1 main_~len~0)} assume !!(0 == #t~mem19.base && 0 == #t~mem19.offset); {30264#(= 1 main_~len~0)} is VALID [2020-07-18 05:16:49,423 INFO L280 TraceCheckUtils]: 51: Hoare triple {30264#(= 1 main_~len~0)} havoc #t~mem19.base, #t~mem19.offset; {30264#(= 1 main_~len~0)} is VALID [2020-07-18 05:16:49,423 INFO L280 TraceCheckUtils]: 52: Hoare triple {30264#(= 1 main_~len~0)} goto; {30264#(= 1 main_~len~0)} is VALID [2020-07-18 05:16:49,424 INFO L280 TraceCheckUtils]: 53: Hoare triple {30264#(= 1 main_~len~0)} SUMMARY for call #t~mem20.base, #t~mem20.offset := read~$Pointer$(~inner~0.base, ~inner~0.offset, 4); srcloc: L1026-6 {30264#(= 1 main_~len~0)} is VALID [2020-07-18 05:16:49,424 INFO L280 TraceCheckUtils]: 54: Hoare triple {30264#(= 1 main_~len~0)} assume !!(0 == #t~mem20.base && 0 == #t~mem20.offset); {30264#(= 1 main_~len~0)} is VALID [2020-07-18 05:16:49,425 INFO L280 TraceCheckUtils]: 55: Hoare triple {30264#(= 1 main_~len~0)} havoc #t~mem20.base, #t~mem20.offset; {30264#(= 1 main_~len~0)} is VALID [2020-07-18 05:16:49,425 INFO L280 TraceCheckUtils]: 56: Hoare triple {30264#(= 1 main_~len~0)} goto; {30264#(= 1 main_~len~0)} is VALID [2020-07-18 05:16:49,426 INFO L280 TraceCheckUtils]: 57: Hoare triple {30264#(= 1 main_~len~0)} SUMMARY for call #t~mem21.base, #t~mem21.offset := read~$Pointer$(~inner~0.base, 4 + ~inner~0.offset, 4); srcloc: L1026-7 {30264#(= 1 main_~len~0)} is VALID [2020-07-18 05:16:49,427 INFO L280 TraceCheckUtils]: 58: Hoare triple {30264#(= 1 main_~len~0)} ~inner~0.base, ~inner~0.offset := #t~mem21.base, #t~mem21.offset; {30264#(= 1 main_~len~0)} is VALID [2020-07-18 05:16:49,427 INFO L280 TraceCheckUtils]: 59: Hoare triple {30264#(= 1 main_~len~0)} havoc #t~mem21.base, #t~mem21.offset; {30264#(= 1 main_~len~0)} is VALID [2020-07-18 05:16:49,428 INFO L280 TraceCheckUtils]: 60: Hoare triple {30264#(= 1 main_~len~0)} assume !(1 == ~len~0); {30258#false} is VALID [2020-07-18 05:16:49,428 INFO L280 TraceCheckUtils]: 61: Hoare triple {30258#false} assume !(0 != ~inner~0.base || 0 != ~inner~0.offset); {30258#false} is VALID [2020-07-18 05:16:49,428 INFO L280 TraceCheckUtils]: 62: Hoare triple {30258#false} assume !(~len~0 <= 1); {30258#false} is VALID [2020-07-18 05:16:49,428 INFO L280 TraceCheckUtils]: 63: Hoare triple {30258#false} assume !false; {30258#false} is VALID [2020-07-18 05:16:49,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:16:49,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759892269] [2020-07-18 05:16:49,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:16:49,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 05:16:49,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332345324] [2020-07-18 05:16:49,432 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2020-07-18 05:16:49,432 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:16:49,432 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 05:16:49,510 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:49,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 05:16:49,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:16:49,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 05:16:49,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 05:16:49,511 INFO L87 Difference]: Start difference. First operand 269 states and 291 transitions. Second operand 4 states. [2020-07-18 05:16:54,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:54,721 INFO L93 Difference]: Finished difference Result 447 states and 493 transitions. [2020-07-18 05:16:54,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 05:16:54,721 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2020-07-18 05:16:54,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:16:54,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 05:16:54,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 290 transitions. [2020-07-18 05:16:54,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 05:16:54,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 290 transitions. [2020-07-18 05:16:54,727 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 290 transitions. [2020-07-18 05:16:55,052 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 290 edges. 290 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:55,060 INFO L225 Difference]: With dead ends: 447 [2020-07-18 05:16:55,060 INFO L226 Difference]: Without dead ends: 350 [2020-07-18 05:16:55,060 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 05:16:55,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-07-18 05:16:58,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 302. [2020-07-18 05:16:58,538 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:16:58,538 INFO L82 GeneralOperation]: Start isEquivalent. First operand 350 states. Second operand 302 states. [2020-07-18 05:16:58,538 INFO L74 IsIncluded]: Start isIncluded. First operand 350 states. Second operand 302 states. [2020-07-18 05:16:58,538 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 302 states. [2020-07-18 05:16:58,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:58,547 INFO L93 Difference]: Finished difference Result 350 states and 378 transitions. [2020-07-18 05:16:58,547 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 378 transitions. [2020-07-18 05:16:58,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:58,547 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:58,548 INFO L74 IsIncluded]: Start isIncluded. First operand 302 states. Second operand 350 states. [2020-07-18 05:16:58,548 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 350 states. [2020-07-18 05:16:58,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:16:58,555 INFO L93 Difference]: Finished difference Result 350 states and 378 transitions. [2020-07-18 05:16:58,555 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 378 transitions. [2020-07-18 05:16:58,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:16:58,556 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:16:58,556 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:16:58,556 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:16:58,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-07-18 05:16:58,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 330 transitions. [2020-07-18 05:16:58,562 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 330 transitions. Word has length 64 [2020-07-18 05:16:58,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:16:58,562 INFO L479 AbstractCegarLoop]: Abstraction has 302 states and 330 transitions. [2020-07-18 05:16:58,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 05:16:58,563 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 302 states and 330 transitions. [2020-07-18 05:16:59,983 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 330 edges. 330 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:16:59,984 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 330 transitions. [2020-07-18 05:16:59,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-18 05:16:59,985 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:16:59,985 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-18 05:16:59,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-07-18 05:16:59,985 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:16:59,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:16:59,986 INFO L82 PathProgramCache]: Analyzing trace with hash -201437452, now seen corresponding path program 1 times [2020-07-18 05:16:59,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:16:59,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2024238691] [2020-07-18 05:16:59,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:16:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:17:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:17:00,177 INFO L280 TraceCheckUtils]: 0: Hoare triple {32480#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {32466#true} is VALID [2020-07-18 05:17:00,177 INFO L280 TraceCheckUtils]: 1: Hoare triple {32466#true} #valid := #valid[0 := 0]; {32466#true} is VALID [2020-07-18 05:17:00,178 INFO L280 TraceCheckUtils]: 2: Hoare triple {32466#true} assume 0 < #StackHeapBarrier; {32466#true} is VALID [2020-07-18 05:17:00,178 INFO L280 TraceCheckUtils]: 3: Hoare triple {32466#true} assume true; {32466#true} is VALID [2020-07-18 05:17:00,178 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {32466#true} {32466#true} #419#return; {32466#true} is VALID [2020-07-18 05:17:00,180 INFO L263 TraceCheckUtils]: 0: Hoare triple {32466#true} call ULTIMATE.init(); {32480#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:17:00,180 INFO L280 TraceCheckUtils]: 1: Hoare triple {32480#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {32466#true} is VALID [2020-07-18 05:17:00,180 INFO L280 TraceCheckUtils]: 2: Hoare triple {32466#true} #valid := #valid[0 := 0]; {32466#true} is VALID [2020-07-18 05:17:00,181 INFO L280 TraceCheckUtils]: 3: Hoare triple {32466#true} assume 0 < #StackHeapBarrier; {32466#true} is VALID [2020-07-18 05:17:00,181 INFO L280 TraceCheckUtils]: 4: Hoare triple {32466#true} assume true; {32466#true} is VALID [2020-07-18 05:17:00,181 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {32466#true} {32466#true} #419#return; {32466#true} is VALID [2020-07-18 05:17:00,181 INFO L263 TraceCheckUtils]: 6: Hoare triple {32466#true} call #t~ret28 := main(); {32466#true} is VALID [2020-07-18 05:17:00,181 INFO L280 TraceCheckUtils]: 7: Hoare triple {32466#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {32466#true} is VALID [2020-07-18 05:17:00,182 INFO L280 TraceCheckUtils]: 8: Hoare triple {32466#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {32466#true} is VALID [2020-07-18 05:17:00,182 INFO L280 TraceCheckUtils]: 9: Hoare triple {32466#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {32466#true} is VALID [2020-07-18 05:17:00,182 INFO L280 TraceCheckUtils]: 10: Hoare triple {32466#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {32466#true} is VALID [2020-07-18 05:17:00,182 INFO L280 TraceCheckUtils]: 11: Hoare triple {32466#true} goto; {32466#true} is VALID [2020-07-18 05:17:00,183 INFO L280 TraceCheckUtils]: 12: Hoare triple {32466#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {32466#true} is VALID [2020-07-18 05:17:00,183 INFO L280 TraceCheckUtils]: 13: Hoare triple {32466#true} assume 0 != #t~nondet1; {32466#true} is VALID [2020-07-18 05:17:00,183 INFO L280 TraceCheckUtils]: 14: Hoare triple {32466#true} havoc #t~nondet1; {32466#true} is VALID [2020-07-18 05:17:00,183 INFO L280 TraceCheckUtils]: 15: Hoare triple {32466#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {32466#true} is VALID [2020-07-18 05:17:00,184 INFO L280 TraceCheckUtils]: 16: Hoare triple {32466#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {32466#true} is VALID [2020-07-18 05:17:00,184 INFO L280 TraceCheckUtils]: 17: Hoare triple {32466#true} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {32466#true} is VALID [2020-07-18 05:17:00,184 INFO L280 TraceCheckUtils]: 18: Hoare triple {32466#true} assume !#t~short7; {32466#true} is VALID [2020-07-18 05:17:00,184 INFO L280 TraceCheckUtils]: 19: Hoare triple {32466#true} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-22 {32466#true} is VALID [2020-07-18 05:17:00,184 INFO L280 TraceCheckUtils]: 20: Hoare triple {32466#true} #t~short7 := #t~mem6.base == 0 && #t~mem6.offset == 0; {32466#true} is VALID [2020-07-18 05:17:00,185 INFO L280 TraceCheckUtils]: 21: Hoare triple {32466#true} assume !!#t~short7; {32466#true} is VALID [2020-07-18 05:17:00,185 INFO L280 TraceCheckUtils]: 22: Hoare triple {32466#true} havoc #t~mem5.base, #t~mem5.offset; {32466#true} is VALID [2020-07-18 05:17:00,185 INFO L280 TraceCheckUtils]: 23: Hoare triple {32466#true} havoc #t~short7; {32466#true} is VALID [2020-07-18 05:17:00,185 INFO L280 TraceCheckUtils]: 24: Hoare triple {32466#true} havoc #t~mem6.base, #t~mem6.offset; {32466#true} is VALID [2020-07-18 05:17:00,185 INFO L280 TraceCheckUtils]: 25: Hoare triple {32466#true} goto; {32466#true} is VALID [2020-07-18 05:17:00,186 INFO L280 TraceCheckUtils]: 26: Hoare triple {32466#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {32466#true} is VALID [2020-07-18 05:17:00,186 INFO L280 TraceCheckUtils]: 27: Hoare triple {32466#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {32466#true} is VALID [2020-07-18 05:17:00,186 INFO L280 TraceCheckUtils]: 28: Hoare triple {32466#true} assume !(0 != #t~nondet8); {32466#true} is VALID [2020-07-18 05:17:00,186 INFO L280 TraceCheckUtils]: 29: Hoare triple {32466#true} havoc #t~nondet8; {32466#true} is VALID [2020-07-18 05:17:00,187 INFO L280 TraceCheckUtils]: 30: Hoare triple {32466#true} ~end~0.base, ~end~0.offset := 0, 0; {32466#true} is VALID [2020-07-18 05:17:00,188 INFO L280 TraceCheckUtils]: 31: Hoare triple {32466#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} is VALID [2020-07-18 05:17:00,188 INFO L280 TraceCheckUtils]: 32: Hoare triple {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} is VALID [2020-07-18 05:17:00,189 INFO L280 TraceCheckUtils]: 33: Hoare triple {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} goto; {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} is VALID [2020-07-18 05:17:00,190 INFO L280 TraceCheckUtils]: 34: Hoare triple {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} is VALID [2020-07-18 05:17:00,190 INFO L280 TraceCheckUtils]: 35: Hoare triple {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} ~len~0 := 0; {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} is VALID [2020-07-18 05:17:00,191 INFO L280 TraceCheckUtils]: 36: Hoare triple {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} SUMMARY for call #t~mem18.base, #t~mem18.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1017 {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} is VALID [2020-07-18 05:17:00,192 INFO L280 TraceCheckUtils]: 37: Hoare triple {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} is VALID [2020-07-18 05:17:00,192 INFO L280 TraceCheckUtils]: 38: Hoare triple {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} havoc #t~mem18.base, #t~mem18.offset; {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} is VALID [2020-07-18 05:17:00,193 INFO L280 TraceCheckUtils]: 39: Hoare triple {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} assume !(0 != ~inner~0.base || 0 != ~inner~0.offset); {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} is VALID [2020-07-18 05:17:00,194 INFO L280 TraceCheckUtils]: 40: Hoare triple {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} assume !!(~len~0 <= 1); {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} is VALID [2020-07-18 05:17:00,194 INFO L280 TraceCheckUtils]: 41: Hoare triple {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} goto; {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} is VALID [2020-07-18 05:17:00,195 INFO L280 TraceCheckUtils]: 42: Hoare triple {32473#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base))} SUMMARY for call #t~mem23.base, #t~mem23.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1031-4 {32474#(and (= |main_#t~mem23.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem23.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:17:00,196 INFO L280 TraceCheckUtils]: 43: Hoare triple {32474#(and (= |main_#t~mem23.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem23.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} ~end~0.base, ~end~0.offset := #t~mem23.base, #t~mem23.offset; {32475#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:17:00,197 INFO L280 TraceCheckUtils]: 44: Hoare triple {32475#(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~mem23.base, #t~mem23.offset; {32475#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:17:00,197 INFO L280 TraceCheckUtils]: 45: Hoare triple {32475#(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 !(0 != ~end~0.base || 0 != ~end~0.offset); {32476#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:17:00,198 INFO L280 TraceCheckUtils]: 46: Hoare triple {32476#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} assume !!(0 != ~list~0.base || 0 != ~list~0.offset); {32476#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:17:00,199 INFO L280 TraceCheckUtils]: 47: Hoare triple {32476#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} SUMMARY for call #t~mem24.base, #t~mem24.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L1039 {32476#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:17:00,200 INFO L280 TraceCheckUtils]: 48: Hoare triple {32476#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} ~end~0.base, ~end~0.offset := #t~mem24.base, #t~mem24.offset; {32476#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:17:00,200 INFO L280 TraceCheckUtils]: 49: Hoare triple {32476#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} havoc #t~mem24.base, #t~mem24.offset; {32476#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:17:00,201 INFO L280 TraceCheckUtils]: 50: Hoare triple {32476#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} assume !(0 != ~end~0.base || 0 != ~end~0.offset); {32476#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-18 05:17:00,203 INFO L280 TraceCheckUtils]: 51: Hoare triple {32476#(and (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))} SUMMARY for call #t~mem27.base, #t~mem27.offset := read~$Pointer$(~list~0.base, ~list~0.offset, 4); srcloc: L1041-2 {32477#(and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))} is VALID [2020-07-18 05:17:00,204 INFO L280 TraceCheckUtils]: 52: Hoare triple {32477#(and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))} ~end~0.base, ~end~0.offset := #t~mem27.base, #t~mem27.offset; {32478#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} is VALID [2020-07-18 05:17:00,205 INFO L280 TraceCheckUtils]: 53: Hoare triple {32478#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} havoc #t~mem27.base, #t~mem27.offset; {32478#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} is VALID [2020-07-18 05:17:00,206 INFO L280 TraceCheckUtils]: 54: Hoare triple {32478#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} SUMMARY for call ULTIMATE.dealloc(~list~0.base, ~list~0.offset); srcloc: L1050 {32478#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} is VALID [2020-07-18 05:17:00,207 INFO L280 TraceCheckUtils]: 55: Hoare triple {32478#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} ~list~0.base, ~list~0.offset := ~end~0.base, ~end~0.offset; {32479#(and (= 0 main_~list~0.offset) (= 0 main_~list~0.base))} is VALID [2020-07-18 05:17:00,208 INFO L280 TraceCheckUtils]: 56: Hoare triple {32479#(and (= 0 main_~list~0.offset) (= 0 main_~list~0.base))} assume !!(0 != ~list~0.base || 0 != ~list~0.offset); {32467#false} is VALID [2020-07-18 05:17:00,208 INFO L280 TraceCheckUtils]: 57: Hoare triple {32467#false} SUMMARY for call #t~mem24.base, #t~mem24.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L1039 {32467#false} is VALID [2020-07-18 05:17:00,209 INFO L280 TraceCheckUtils]: 58: Hoare triple {32467#false} ~end~0.base, ~end~0.offset := #t~mem24.base, #t~mem24.offset; {32467#false} is VALID [2020-07-18 05:17:00,209 INFO L280 TraceCheckUtils]: 59: Hoare triple {32467#false} havoc #t~mem24.base, #t~mem24.offset; {32467#false} is VALID [2020-07-18 05:17:00,209 INFO L280 TraceCheckUtils]: 60: Hoare triple {32467#false} assume 0 != ~end~0.base || 0 != ~end~0.offset; {32467#false} is VALID [2020-07-18 05:17:00,210 INFO L280 TraceCheckUtils]: 61: Hoare triple {32467#false} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {32467#false} is VALID [2020-07-18 05:17:00,210 INFO L280 TraceCheckUtils]: 62: Hoare triple {32467#false} goto; {32467#false} is VALID [2020-07-18 05:17:00,210 INFO L280 TraceCheckUtils]: 63: Hoare triple {32467#false} SUMMARY for call #t~mem25.base, #t~mem25.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1044-6 {32467#false} is VALID [2020-07-18 05:17:00,211 INFO L280 TraceCheckUtils]: 64: Hoare triple {32467#false} assume !(0 == #t~mem25.base && 0 == #t~mem25.offset); {32467#false} is VALID [2020-07-18 05:17:00,211 INFO L280 TraceCheckUtils]: 65: Hoare triple {32467#false} havoc #t~mem25.base, #t~mem25.offset; {32467#false} is VALID [2020-07-18 05:17:00,211 INFO L280 TraceCheckUtils]: 66: Hoare triple {32467#false} assume !false; {32467#false} is VALID [2020-07-18 05:17:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:17:00,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2024238691] [2020-07-18 05:17:00,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-18 05:17:00,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-18 05:17:00,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109187967] [2020-07-18 05:17:00,226 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 67 [2020-07-18 05:17:00,227 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:17:00,227 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-18 05:17:00,319 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:17:00,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-18 05:17:00,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:17:00,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-18 05:17:00,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-07-18 05:17:00,321 INFO L87 Difference]: Start difference. First operand 302 states and 330 transitions. Second operand 10 states. [2020-07-18 05:17:08,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:17:08,838 INFO L93 Difference]: Finished difference Result 489 states and 531 transitions. [2020-07-18 05:17:08,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-18 05:17:08,838 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 67 [2020-07-18 05:17:08,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:17:08,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-18 05:17:08,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 356 transitions. [2020-07-18 05:17:08,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-18 05:17:08,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 356 transitions. [2020-07-18 05:17:08,843 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 356 transitions. [2020-07-18 05:17:09,302 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 356 edges. 356 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:17:09,312 INFO L225 Difference]: With dead ends: 489 [2020-07-18 05:17:09,312 INFO L226 Difference]: Without dead ends: 429 [2020-07-18 05:17:09,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2020-07-18 05:17:09,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2020-07-18 05:17:13,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 343. [2020-07-18 05:17:13,560 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:17:13,560 INFO L82 GeneralOperation]: Start isEquivalent. First operand 429 states. Second operand 343 states. [2020-07-18 05:17:13,560 INFO L74 IsIncluded]: Start isIncluded. First operand 429 states. Second operand 343 states. [2020-07-18 05:17:13,560 INFO L87 Difference]: Start difference. First operand 429 states. Second operand 343 states. [2020-07-18 05:17:13,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:17:13,569 INFO L93 Difference]: Finished difference Result 429 states and 467 transitions. [2020-07-18 05:17:13,569 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 467 transitions. [2020-07-18 05:17:13,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:17:13,570 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:17:13,570 INFO L74 IsIncluded]: Start isIncluded. First operand 343 states. Second operand 429 states. [2020-07-18 05:17:13,570 INFO L87 Difference]: Start difference. First operand 343 states. Second operand 429 states. [2020-07-18 05:17:13,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:17:13,579 INFO L93 Difference]: Finished difference Result 429 states and 467 transitions. [2020-07-18 05:17:13,579 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 467 transitions. [2020-07-18 05:17:13,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:17:13,580 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:17:13,580 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:17:13,580 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:17:13,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2020-07-18 05:17:13,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 382 transitions. [2020-07-18 05:17:13,585 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 382 transitions. Word has length 67 [2020-07-18 05:17:13,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:17:13,586 INFO L479 AbstractCegarLoop]: Abstraction has 343 states and 382 transitions. [2020-07-18 05:17:13,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-18 05:17:13,586 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 343 states and 382 transitions. [2020-07-18 05:17:15,341 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 382 edges. 382 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:17:15,342 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 382 transitions. [2020-07-18 05:17:15,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-07-18 05:17:15,343 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:17:15,343 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2020-07-18 05:17:15,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-07-18 05:17:15,343 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:17:15,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:17:15,344 INFO L82 PathProgramCache]: Analyzing trace with hash 364568229, now seen corresponding path program 1 times [2020-07-18 05:17:15,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:17:15,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212812578] [2020-07-18 05:17:15,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:17:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 05:17:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 05:17:15,423 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 05:17:15,424 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 05:17:15,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-07-18 05:17:15,500 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-18 05:17:15,501 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 05:17:15,501 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 05:17:15,501 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 05:17:15,501 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:17:15,501 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:17:15,501 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:17:15,501 WARN L170 areAnnotationChecker]: L991 has no Hoare annotation [2020-07-18 05:17:15,501 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-18 05:17:15,501 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 05:17:15,502 WARN L170 areAnnotationChecker]: L992 has no Hoare annotation [2020-07-18 05:17:15,502 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 05:17:15,502 WARN L170 areAnnotationChecker]: L993-3 has no Hoare annotation [2020-07-18 05:17:15,502 WARN L170 areAnnotationChecker]: L993-3 has no Hoare annotation [2020-07-18 05:17:15,502 WARN L170 areAnnotationChecker]: L993-3 has no Hoare annotation [2020-07-18 05:17:15,502 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 05:17:15,502 WARN L170 areAnnotationChecker]: L993-4 has no Hoare annotation [2020-07-18 05:17:15,502 WARN L170 areAnnotationChecker]: L993 has no Hoare annotation [2020-07-18 05:17:15,502 WARN L170 areAnnotationChecker]: L993 has no Hoare annotation [2020-07-18 05:17:15,502 WARN L170 areAnnotationChecker]: L993-2 has no Hoare annotation [2020-07-18 05:17:15,503 WARN L170 areAnnotationChecker]: L993-2 has no Hoare annotation [2020-07-18 05:17:15,503 WARN L170 areAnnotationChecker]: L993-5 has no Hoare annotation [2020-07-18 05:17:15,503 WARN L170 areAnnotationChecker]: L993-5 has no Hoare annotation [2020-07-18 05:17:15,503 WARN L170 areAnnotationChecker]: L993-6 has no Hoare annotation [2020-07-18 05:17:15,503 WARN L170 areAnnotationChecker]: L993-9 has no Hoare annotation [2020-07-18 05:17:15,503 WARN L170 areAnnotationChecker]: L993-7 has no Hoare annotation [2020-07-18 05:17:15,503 WARN L170 areAnnotationChecker]: L993-10 has no Hoare annotation [2020-07-18 05:17:15,503 WARN L170 areAnnotationChecker]: L993-34 has no Hoare annotation [2020-07-18 05:17:15,503 WARN L170 areAnnotationChecker]: L993-34 has no Hoare annotation [2020-07-18 05:17:15,503 WARN L170 areAnnotationChecker]: L993-11 has no Hoare annotation [2020-07-18 05:17:15,504 WARN L170 areAnnotationChecker]: L993-19 has no Hoare annotation [2020-07-18 05:17:15,504 WARN L170 areAnnotationChecker]: L993-35 has no Hoare annotation [2020-07-18 05:17:15,504 WARN L170 areAnnotationChecker]: L993-12 has no Hoare annotation [2020-07-18 05:17:15,504 WARN L170 areAnnotationChecker]: L993-20 has no Hoare annotation [2020-07-18 05:17:15,504 WARN L170 areAnnotationChecker]: L993-20 has no Hoare annotation [2020-07-18 05:17:15,504 WARN L170 areAnnotationChecker]: L1005-35 has no Hoare annotation [2020-07-18 05:17:15,504 WARN L170 areAnnotationChecker]: L1005-35 has no Hoare annotation [2020-07-18 05:17:15,504 WARN L170 areAnnotationChecker]: L993-13 has no Hoare annotation [2020-07-18 05:17:15,504 WARN L170 areAnnotationChecker]: L993-24 has no Hoare annotation [2020-07-18 05:17:15,504 WARN L170 areAnnotationChecker]: L993-24 has no Hoare annotation [2020-07-18 05:17:15,505 WARN L170 areAnnotationChecker]: L993-22 has no Hoare annotation [2020-07-18 05:17:15,505 WARN L170 areAnnotationChecker]: L998-5 has no Hoare annotation [2020-07-18 05:17:15,505 WARN L170 areAnnotationChecker]: L998-1 has no Hoare annotation [2020-07-18 05:17:15,505 WARN L170 areAnnotationChecker]: L998-1 has no Hoare annotation [2020-07-18 05:17:15,505 WARN L170 areAnnotationChecker]: L993-14 has no Hoare annotation [2020-07-18 05:17:15,505 WARN L170 areAnnotationChecker]: L993-25 has no Hoare annotation [2020-07-18 05:17:15,505 WARN L170 areAnnotationChecker]: L993-30 has no Hoare annotation [2020-07-18 05:17:15,505 WARN L170 areAnnotationChecker]: L993-23 has no Hoare annotation [2020-07-18 05:17:15,505 WARN L170 areAnnotationChecker]: L1009 has no Hoare annotation [2020-07-18 05:17:15,505 WARN L170 areAnnotationChecker]: L998-2 has no Hoare annotation [2020-07-18 05:17:15,506 WARN L170 areAnnotationChecker]: L998-4 has no Hoare annotation [2020-07-18 05:17:15,506 WARN L170 areAnnotationChecker]: L993-15 has no Hoare annotation [2020-07-18 05:17:15,506 WARN L170 areAnnotationChecker]: L993-26 has no Hoare annotation [2020-07-18 05:17:15,506 WARN L170 areAnnotationChecker]: L993-31 has no Hoare annotation [2020-07-18 05:17:15,506 WARN L170 areAnnotationChecker]: L1012-4 has no Hoare annotation [2020-07-18 05:17:15,506 WARN L170 areAnnotationChecker]: L1012-4 has no Hoare annotation [2020-07-18 05:17:15,506 WARN L170 areAnnotationChecker]: L1012-4 has no Hoare annotation [2020-07-18 05:17:15,506 WARN L170 areAnnotationChecker]: L1001 has no Hoare annotation [2020-07-18 05:17:15,506 WARN L170 areAnnotationChecker]: L993-16 has no Hoare annotation [2020-07-18 05:17:15,506 WARN L170 areAnnotationChecker]: L993-27 has no Hoare annotation [2020-07-18 05:17:15,507 WARN L170 areAnnotationChecker]: L993-32 has no Hoare annotation [2020-07-18 05:17:15,507 WARN L170 areAnnotationChecker]: L1014-1 has no Hoare annotation [2020-07-18 05:17:15,507 WARN L170 areAnnotationChecker]: L1014-1 has no Hoare annotation [2020-07-18 05:17:15,507 WARN L170 areAnnotationChecker]: L1014-1 has no Hoare annotation [2020-07-18 05:17:15,507 WARN L170 areAnnotationChecker]: L1012-1 has no Hoare annotation [2020-07-18 05:17:15,507 WARN L170 areAnnotationChecker]: L1012-1 has no Hoare annotation [2020-07-18 05:17:15,507 WARN L170 areAnnotationChecker]: L1012-3 has no Hoare annotation [2020-07-18 05:17:15,507 WARN L170 areAnnotationChecker]: L1012-3 has no Hoare annotation [2020-07-18 05:17:15,519 WARN L170 areAnnotationChecker]: L1001-1 has no Hoare annotation [2020-07-18 05:17:15,519 WARN L170 areAnnotationChecker]: L993-17 has no Hoare annotation [2020-07-18 05:17:15,519 WARN L170 areAnnotationChecker]: L993-28 has no Hoare annotation [2020-07-18 05:17:15,519 WARN L170 areAnnotationChecker]: L993-28 has no Hoare annotation [2020-07-18 05:17:15,519 WARN L170 areAnnotationChecker]: L993-33 has no Hoare annotation [2020-07-18 05:17:15,519 WARN L170 areAnnotationChecker]: L993-33 has no Hoare annotation [2020-07-18 05:17:15,519 WARN L170 areAnnotationChecker]: L1037-1 has no Hoare annotation [2020-07-18 05:17:15,519 WARN L170 areAnnotationChecker]: L1037-1 has no Hoare annotation [2020-07-18 05:17:15,519 WARN L170 areAnnotationChecker]: L1037-1 has no Hoare annotation [2020-07-18 05:17:15,520 WARN L170 areAnnotationChecker]: L1016 has no Hoare annotation [2020-07-18 05:17:15,520 WARN L170 areAnnotationChecker]: L1001-2 has no Hoare annotation [2020-07-18 05:17:15,520 WARN L170 areAnnotationChecker]: L1037-2 has no Hoare annotation [2020-07-18 05:17:15,520 WARN L170 areAnnotationChecker]: L1039 has no Hoare annotation [2020-07-18 05:17:15,520 WARN L170 areAnnotationChecker]: L1017 has no Hoare annotation [2020-07-18 05:17:15,520 WARN L170 areAnnotationChecker]: L1002 has no Hoare annotation [2020-07-18 05:17:15,520 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 05:17:15,520 WARN L170 areAnnotationChecker]: L1039-1 has no Hoare annotation [2020-07-18 05:17:15,520 WARN L170 areAnnotationChecker]: L1017-1 has no Hoare annotation [2020-07-18 05:17:15,520 WARN L170 areAnnotationChecker]: L1002-1 has no Hoare annotation [2020-07-18 05:17:15,520 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 05:17:15,520 WARN L170 areAnnotationChecker]: L1039-2 has no Hoare annotation [2020-07-18 05:17:15,520 WARN L170 areAnnotationChecker]: L1017-2 has no Hoare annotation [2020-07-18 05:17:15,520 WARN L170 areAnnotationChecker]: L1003 has no Hoare annotation [2020-07-18 05:17:15,520 WARN L170 areAnnotationChecker]: L1041 has no Hoare annotation [2020-07-18 05:17:15,520 WARN L170 areAnnotationChecker]: L1041 has no Hoare annotation [2020-07-18 05:17:15,521 WARN L170 areAnnotationChecker]: L1028-2 has no Hoare annotation [2020-07-18 05:17:15,521 WARN L170 areAnnotationChecker]: L1028-2 has no Hoare annotation [2020-07-18 05:17:15,521 WARN L170 areAnnotationChecker]: L1028-2 has no Hoare annotation [2020-07-18 05:17:15,521 WARN L170 areAnnotationChecker]: L1004-3 has no Hoare annotation [2020-07-18 05:17:15,521 WARN L170 areAnnotationChecker]: L1004-3 has no Hoare annotation [2020-07-18 05:17:15,521 WARN L170 areAnnotationChecker]: L1004-3 has no Hoare annotation [2020-07-18 05:17:15,521 WARN L170 areAnnotationChecker]: L1043-4 has no Hoare annotation [2020-07-18 05:17:15,521 WARN L170 areAnnotationChecker]: L1043-4 has no Hoare annotation [2020-07-18 05:17:15,521 WARN L170 areAnnotationChecker]: L1043-4 has no Hoare annotation [2020-07-18 05:17:15,521 WARN L170 areAnnotationChecker]: L1041-2 has no Hoare annotation [2020-07-18 05:17:15,521 WARN L170 areAnnotationChecker]: L1031-3 has no Hoare annotation [2020-07-18 05:17:15,521 WARN L170 areAnnotationChecker]: L1031-3 has no Hoare annotation [2020-07-18 05:17:15,521 WARN L170 areAnnotationChecker]: L1031-3 has no Hoare annotation [2020-07-18 05:17:15,521 WARN L170 areAnnotationChecker]: L1020 has no Hoare annotation [2020-07-18 05:17:15,521 WARN L170 areAnnotationChecker]: L1020 has no Hoare annotation [2020-07-18 05:17:15,521 WARN L170 areAnnotationChecker]: L1005-3 has no Hoare annotation [2020-07-18 05:17:15,522 WARN L170 areAnnotationChecker]: L1005-3 has no Hoare annotation [2020-07-18 05:17:15,522 WARN L170 areAnnotationChecker]: L1005-3 has no Hoare annotation [2020-07-18 05:17:15,522 WARN L170 areAnnotationChecker]: L1004 has no Hoare annotation [2020-07-18 05:17:15,522 WARN L170 areAnnotationChecker]: L1004 has no Hoare annotation [2020-07-18 05:17:15,522 WARN L170 areAnnotationChecker]: L1004-2 has no Hoare annotation [2020-07-18 05:17:15,522 WARN L170 areAnnotationChecker]: L1004-2 has no Hoare annotation [2020-07-18 05:17:15,522 WARN L170 areAnnotationChecker]: L1044-6 has no Hoare annotation [2020-07-18 05:17:15,522 WARN L170 areAnnotationChecker]: L1044-6 has no Hoare annotation [2020-07-18 05:17:15,522 WARN L170 areAnnotationChecker]: L1043-1 has no Hoare annotation [2020-07-18 05:17:15,522 WARN L170 areAnnotationChecker]: L1043-1 has no Hoare annotation [2020-07-18 05:17:15,523 WARN L170 areAnnotationChecker]: L1043-3 has no Hoare annotation [2020-07-18 05:17:15,523 WARN L170 areAnnotationChecker]: L1043-3 has no Hoare annotation [2020-07-18 05:17:15,523 WARN L170 areAnnotationChecker]: L1049 has no Hoare annotation [2020-07-18 05:17:15,523 WARN L170 areAnnotationChecker]: L1031-4 has no Hoare annotation [2020-07-18 05:17:15,523 WARN L170 areAnnotationChecker]: L1031 has no Hoare annotation [2020-07-18 05:17:15,523 WARN L170 areAnnotationChecker]: L1031 has no Hoare annotation [2020-07-18 05:17:15,523 WARN L170 areAnnotationChecker]: L1031-2 has no Hoare annotation [2020-07-18 05:17:15,523 WARN L170 areAnnotationChecker]: L1031-2 has no Hoare annotation [2020-07-18 05:17:15,523 WARN L170 areAnnotationChecker]: L1021 has no Hoare annotation [2020-07-18 05:17:15,523 WARN L170 areAnnotationChecker]: L1023 has no Hoare annotation [2020-07-18 05:17:15,523 WARN L170 areAnnotationChecker]: L1005-4 has no Hoare annotation [2020-07-18 05:17:15,523 WARN L170 areAnnotationChecker]: L1005 has no Hoare annotation [2020-07-18 05:17:15,523 WARN L170 areAnnotationChecker]: L1005 has no Hoare annotation [2020-07-18 05:17:15,524 WARN L170 areAnnotationChecker]: L1005-2 has no Hoare annotation [2020-07-18 05:17:15,524 WARN L170 areAnnotationChecker]: L1005-2 has no Hoare annotation [2020-07-18 05:17:15,524 WARN L170 areAnnotationChecker]: L1044 has no Hoare annotation [2020-07-18 05:17:15,524 WARN L170 areAnnotationChecker]: L1044 has no Hoare annotation [2020-07-18 05:17:15,524 WARN L170 areAnnotationChecker]: L1045-6 has no Hoare annotation [2020-07-18 05:17:15,524 WARN L170 areAnnotationChecker]: L1045-6 has no Hoare annotation [2020-07-18 05:17:15,524 WARN L170 areAnnotationChecker]: L1049-1 has no Hoare annotation [2020-07-18 05:17:15,524 WARN L170 areAnnotationChecker]: L1033 has no Hoare annotation [2020-07-18 05:17:15,524 WARN L170 areAnnotationChecker]: L1024-3 has no Hoare annotation [2020-07-18 05:17:15,524 WARN L170 areAnnotationChecker]: L1024-3 has no Hoare annotation [2020-07-18 05:17:15,524 WARN L170 areAnnotationChecker]: L1024-3 has no Hoare annotation [2020-07-18 05:17:15,524 WARN L170 areAnnotationChecker]: L1005-5 has no Hoare annotation [2020-07-18 05:17:15,524 WARN L170 areAnnotationChecker]: L1005-5 has no Hoare annotation [2020-07-18 05:17:15,525 WARN L170 areAnnotationChecker]: L1044-1 has no Hoare annotation [2020-07-18 05:17:15,525 WARN L170 areAnnotationChecker]: L1044-4 has no Hoare annotation [2020-07-18 05:17:15,525 WARN L170 areAnnotationChecker]: L1045 has no Hoare annotation [2020-07-18 05:17:15,525 WARN L170 areAnnotationChecker]: L1045 has no Hoare annotation [2020-07-18 05:17:15,525 WARN L170 areAnnotationChecker]: L1045-7 has no Hoare annotation [2020-07-18 05:17:15,525 WARN L170 areAnnotationChecker]: L1050 has no Hoare annotation [2020-07-18 05:17:15,525 WARN L170 areAnnotationChecker]: L1033-1 has no Hoare annotation [2020-07-18 05:17:15,525 WARN L170 areAnnotationChecker]: L1025-6 has no Hoare annotation [2020-07-18 05:17:15,525 WARN L170 areAnnotationChecker]: L1025-6 has no Hoare annotation [2020-07-18 05:17:15,526 WARN L170 areAnnotationChecker]: L1024 has no Hoare annotation [2020-07-18 05:17:15,526 WARN L170 areAnnotationChecker]: L1024 has no Hoare annotation [2020-07-18 05:17:15,526 WARN L170 areAnnotationChecker]: L1024-2 has no Hoare annotation [2020-07-18 05:17:15,526 WARN L170 areAnnotationChecker]: L1024-2 has no Hoare annotation [2020-07-18 05:17:15,526 WARN L170 areAnnotationChecker]: L1005-6 has no Hoare annotation [2020-07-18 05:17:15,526 WARN L170 areAnnotationChecker]: L1005-9 has no Hoare annotation [2020-07-18 05:17:15,526 WARN L170 areAnnotationChecker]: L1044-2 has no Hoare annotation [2020-07-18 05:17:15,526 WARN L170 areAnnotationChecker]: L1044-2 has no Hoare annotation [2020-07-18 05:17:15,526 WARN L170 areAnnotationChecker]: L1044-5 has no Hoare annotation [2020-07-18 05:17:15,526 WARN L170 areAnnotationChecker]: L1044-5 has no Hoare annotation [2020-07-18 05:17:15,527 WARN L170 areAnnotationChecker]: L1045-1 has no Hoare annotation [2020-07-18 05:17:15,527 WARN L170 areAnnotationChecker]: L1045-4 has no Hoare annotation [2020-07-18 05:17:15,527 WARN L170 areAnnotationChecker]: L1046 has no Hoare annotation [2020-07-18 05:17:15,527 WARN L170 areAnnotationChecker]: L1050-1 has no Hoare annotation [2020-07-18 05:17:15,527 WARN L170 areAnnotationChecker]: L1025 has no Hoare annotation [2020-07-18 05:17:15,527 WARN L170 areAnnotationChecker]: L1025 has no Hoare annotation [2020-07-18 05:17:15,527 WARN L170 areAnnotationChecker]: L1026-6 has no Hoare annotation [2020-07-18 05:17:15,527 WARN L170 areAnnotationChecker]: L1026-6 has no Hoare annotation [2020-07-18 05:17:15,527 WARN L170 areAnnotationChecker]: L1005-7 has no Hoare annotation [2020-07-18 05:17:15,527 WARN L170 areAnnotationChecker]: L1005-10 has no Hoare annotation [2020-07-18 05:17:15,527 WARN L170 areAnnotationChecker]: L1045-2 has no Hoare annotation [2020-07-18 05:17:15,528 WARN L170 areAnnotationChecker]: L1045-2 has no Hoare annotation [2020-07-18 05:17:15,528 WARN L170 areAnnotationChecker]: L1045-5 has no Hoare annotation [2020-07-18 05:17:15,528 WARN L170 areAnnotationChecker]: L1045-5 has no Hoare annotation [2020-07-18 05:17:15,528 WARN L170 areAnnotationChecker]: L1025-1 has no Hoare annotation [2020-07-18 05:17:15,528 WARN L170 areAnnotationChecker]: L1025-4 has no Hoare annotation [2020-07-18 05:17:15,528 WARN L170 areAnnotationChecker]: L1026 has no Hoare annotation [2020-07-18 05:17:15,528 WARN L170 areAnnotationChecker]: L1026 has no Hoare annotation [2020-07-18 05:17:15,528 WARN L170 areAnnotationChecker]: L1026-7 has no Hoare annotation [2020-07-18 05:17:15,528 WARN L170 areAnnotationChecker]: L1005-34 has no Hoare annotation [2020-07-18 05:17:15,528 WARN L170 areAnnotationChecker]: L1005-34 has no Hoare annotation [2020-07-18 05:17:15,528 WARN L170 areAnnotationChecker]: L1005-11 has no Hoare annotation [2020-07-18 05:17:15,528 WARN L170 areAnnotationChecker]: L1025-2 has no Hoare annotation [2020-07-18 05:17:15,528 WARN L170 areAnnotationChecker]: L1025-2 has no Hoare annotation [2020-07-18 05:17:15,529 WARN L170 areAnnotationChecker]: L1025-5 has no Hoare annotation [2020-07-18 05:17:15,529 WARN L170 areAnnotationChecker]: L1025-5 has no Hoare annotation [2020-07-18 05:17:15,529 WARN L170 areAnnotationChecker]: L1026-1 has no Hoare annotation [2020-07-18 05:17:15,529 WARN L170 areAnnotationChecker]: L1026-4 has no Hoare annotation [2020-07-18 05:17:15,529 WARN L170 areAnnotationChecker]: L1027 has no Hoare annotation [2020-07-18 05:17:15,529 WARN L170 areAnnotationChecker]: L1005-19 has no Hoare annotation [2020-07-18 05:17:15,529 WARN L170 areAnnotationChecker]: L1005-12 has no Hoare annotation [2020-07-18 05:17:15,529 WARN L170 areAnnotationChecker]: L1026-2 has no Hoare annotation [2020-07-18 05:17:15,529 WARN L170 areAnnotationChecker]: L1026-2 has no Hoare annotation [2020-07-18 05:17:15,529 WARN L170 areAnnotationChecker]: L1026-5 has no Hoare annotation [2020-07-18 05:17:15,529 WARN L170 areAnnotationChecker]: L1026-5 has no Hoare annotation [2020-07-18 05:17:15,529 WARN L170 areAnnotationChecker]: L1027-1 has no Hoare annotation [2020-07-18 05:17:15,529 WARN L170 areAnnotationChecker]: L1005-20 has no Hoare annotation [2020-07-18 05:17:15,529 WARN L170 areAnnotationChecker]: L1005-20 has no Hoare annotation [2020-07-18 05:17:15,529 WARN L170 areAnnotationChecker]: L1005-13 has no Hoare annotation [2020-07-18 05:17:15,530 WARN L170 areAnnotationChecker]: L1028 has no Hoare annotation [2020-07-18 05:17:15,530 WARN L170 areAnnotationChecker]: L1028 has no Hoare annotation [2020-07-18 05:17:15,530 WARN L170 areAnnotationChecker]: L1005-24 has no Hoare annotation [2020-07-18 05:17:15,530 WARN L170 areAnnotationChecker]: L1005-24 has no Hoare annotation [2020-07-18 05:17:15,530 WARN L170 areAnnotationChecker]: L1005-22 has no Hoare annotation [2020-07-18 05:17:15,530 WARN L170 areAnnotationChecker]: L1005-14 has no Hoare annotation [2020-07-18 05:17:15,530 WARN L170 areAnnotationChecker]: L1029 has no Hoare annotation [2020-07-18 05:17:15,530 WARN L170 areAnnotationChecker]: L1005-25 has no Hoare annotation [2020-07-18 05:17:15,530 WARN L170 areAnnotationChecker]: L1005-30 has no Hoare annotation [2020-07-18 05:17:15,530 WARN L170 areAnnotationChecker]: L1005-23 has no Hoare annotation [2020-07-18 05:17:15,530 WARN L170 areAnnotationChecker]: L1005-15 has no Hoare annotation [2020-07-18 05:17:15,530 WARN L170 areAnnotationChecker]: L1029-1 has no Hoare annotation [2020-07-18 05:17:15,530 WARN L170 areAnnotationChecker]: L1005-26 has no Hoare annotation [2020-07-18 05:17:15,530 WARN L170 areAnnotationChecker]: L1005-31 has no Hoare annotation [2020-07-18 05:17:15,530 WARN L170 areAnnotationChecker]: L1005-16 has no Hoare annotation [2020-07-18 05:17:15,530 WARN L170 areAnnotationChecker]: L1029-2 has no Hoare annotation [2020-07-18 05:17:15,531 WARN L170 areAnnotationChecker]: L1005-27 has no Hoare annotation [2020-07-18 05:17:15,531 WARN L170 areAnnotationChecker]: L1005-32 has no Hoare annotation [2020-07-18 05:17:15,531 WARN L170 areAnnotationChecker]: L1005-17 has no Hoare annotation [2020-07-18 05:17:15,531 WARN L170 areAnnotationChecker]: L1005-28 has no Hoare annotation [2020-07-18 05:17:15,531 WARN L170 areAnnotationChecker]: L1005-28 has no Hoare annotation [2020-07-18 05:17:15,531 WARN L170 areAnnotationChecker]: L1005-33 has no Hoare annotation [2020-07-18 05:17:15,531 WARN L170 areAnnotationChecker]: L1005-33 has no Hoare annotation [2020-07-18 05:17:15,531 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 05:17:15,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 05:17:15 BoogieIcfgContainer [2020-07-18 05:17:15,534 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 05:17:15,536 INFO L168 Benchmark]: Toolchain (without parser) took 142842.91 ms. Allocated memory was 140.0 MB in the beginning and 497.0 MB in the end (delta: 357.0 MB). Free memory was 104.3 MB in the beginning and 448.1 MB in the end (delta: -343.8 MB). Peak memory consumption was 396.6 MB. Max. memory is 7.1 GB. [2020-07-18 05:17:15,537 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 05:17:15,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.56 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 103.9 MB in the beginning and 172.0 MB in the end (delta: -68.1 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2020-07-18 05:17:15,538 INFO L168 Benchmark]: Boogie Preprocessor took 122.15 ms. Allocated memory is still 205.0 MB. Free memory was 172.0 MB in the beginning and 167.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-18 05:17:15,538 INFO L168 Benchmark]: RCFGBuilder took 974.45 ms. Allocated memory was 205.0 MB in the beginning and 234.4 MB in the end (delta: 29.4 MB). Free memory was 167.2 MB in the beginning and 189.4 MB in the end (delta: -22.2 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. [2020-07-18 05:17:15,539 INFO L168 Benchmark]: TraceAbstraction took 141124.63 ms. Allocated memory was 234.4 MB in the beginning and 497.0 MB in the end (delta: 262.7 MB). Free memory was 189.4 MB in the beginning and 448.1 MB in the end (delta: -258.6 MB). Peak memory consumption was 387.4 MB. Max. memory is 7.1 GB. [2020-07-18 05:17:15,541 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 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 614.56 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 103.9 MB in the beginning and 172.0 MB in the end (delta: -68.1 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.15 ms. Allocated memory is still 205.0 MB. Free memory was 172.0 MB in the beginning and 167.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 974.45 ms. Allocated memory was 205.0 MB in the beginning and 234.4 MB in the end (delta: 29.4 MB). Free memory was 167.2 MB in the beginning and 189.4 MB in the end (delta: -22.2 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 141124.63 ms. Allocated memory was 234.4 MB in the beginning and 497.0 MB in the end (delta: 262.7 MB). Free memory was 189.4 MB in the beginning and 448.1 MB in the end (delta: -258.6 MB). Peak memory consumption was 387.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1025]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L991] SLL* list = malloc(sizeof(SLL)); VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L992] list->next = ((void*)0) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L993] COND FALSE !(!(list != ((void*)0))) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L993] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, list={-1:0}, malloc(sizeof(SLL))={-1:0}] [L993] list->inner = malloc(sizeof(SLL)) VAL [list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] list->inner->next = ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] list->inner->inner = ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] EXPR list->inner VAL [list={-1:0}, list->inner={-2:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] EXPR list->inner != ((void*)0) || list->inner == ((void*)0) VAL [list={-1:0}, list->inner={-2:0}, list->inner != ((void*)0) || list->inner == ((void*)0)=1, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L993] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) VAL [list={-1:0}, list->inner={-2:0}, list->inner != ((void*)0) || list->inner == ((void*)0)=1, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L995] SLL* end = list; VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L998] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1008] end = ((void*)0) VAL [end={0:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1009] end = list VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1012] COND FALSE !(!(((void*)0) != end)) VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1014] COND TRUE ((void*)0) != end VAL [end={-1:0}, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1016] int len = 0; VAL [end={-1:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1017] EXPR end->inner VAL [end={-1:0}, end->inner={-2:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1017] SLL* inner = end->inner; VAL [end={-1:0}, end->inner={-2:0}, inner={-2:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1018] COND TRUE ((void*)0) != inner VAL [end={-1:0}, inner={-2:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1020] COND TRUE len == 0 VAL [end={-1:0}, inner={-2:0}, len=0, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1021] len = 1 VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1024] COND FALSE !(!(((void*)0) != inner)) VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1025] EXPR inner->inner VAL [end={-1:0}, inner={-2:0}, inner->inner={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1025] COND FALSE !(!(((void*)0) == inner->inner)) VAL [end={-1:0}, inner={-2:0}, inner->inner={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1026] EXPR inner->next VAL [end={-1:0}, inner={-2:0}, inner->next={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1026] COND FALSE !(!(((void*)0) == inner->next)) VAL [end={-1:0}, inner={-2:0}, inner->next={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1027] EXPR inner->inner VAL [end={-1:0}, inner={-2:0}, inner->inner={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1027] inner = inner->inner VAL [end={-1:0}, inner={0:0}, inner->inner={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1028] COND TRUE len == 1 VAL [end={-1:0}, inner={0:0}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1029] EXPR inner->inner VAL [end={-1:0}, inner={0:0}, inner->inner={10:3}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1029] inner = inner->inner VAL [end={-1:0}, inner={10:3}, inner->inner={10:3}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1018] COND TRUE ((void*)0) != inner VAL [end={-1:0}, inner={10:3}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1020] COND FALSE !(len == 0) VAL [end={-1:0}, inner={10:3}, len=1, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1023] len = 2 VAL [end={-1:0}, inner={10:3}, len=2, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1024] COND FALSE !(!(((void*)0) != inner)) VAL [end={-1:0}, inner={10:3}, len=2, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1025] EXPR inner->inner VAL [end={-1:0}, inner={10:3}, inner->inner={11:13}, len=2, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1025] COND TRUE !(((void*)0) == inner->inner) VAL [end={-1:0}, inner={10:3}, inner->inner={11:13}, len=2, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] [L1025] __VERIFIER_error() VAL [end={-1:0}, inner={10:3}, len=2, list={-1:0}, malloc(sizeof(SLL))={-1:0}, malloc(sizeof(SLL))={-2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 171 locations, 13 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 140.9s, OverallIterations: 20, TraceHistogramMax: 2, AutomataDifference: 91.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3225 SDtfs, 6435 SDslu, 10789 SDs, 0 SdLazy, 7277 SolverSat, 254 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 284 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=343occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 30.3s AutomataMinimizationTime, 19 MinimizatonAttempts, 1883 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 952 NumberOfCodeBlocks, 952 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 860 ConstructedInterpolants, 0 QuantifiedInterpolants, 314052 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 17 PerfectInterpolantSequences, 13/16 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...