/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 0.1.25-46f3038-m [2020-07-08 22:24:30,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 22:24:30,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 22:24:30,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 22:24:30,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 22:24:30,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 22:24:30,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 22:24:30,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 22:24:30,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 22:24:30,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 22:24:30,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 22:24:30,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 22:24:30,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 22:24:30,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 22:24:30,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 22:24:30,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 22:24:30,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 22:24:30,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 22:24:30,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 22:24:30,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 22:24:30,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 22:24:30,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 22:24:30,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 22:24:30,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 22:24:30,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 22:24:30,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 22:24:30,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 22:24:30,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 22:24:30,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 22:24:30,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 22:24:30,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 22:24:30,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 22:24:30,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 22:24:30,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 22:24:30,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 22:24:30,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 22:24:30,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 22:24:30,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 22:24:30,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 22:24:30,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 22:24:30,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 22:24:30,713 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 22:24:30,723 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 22:24:30,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 22:24:30,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 22:24:30,725 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 22:24:30,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 22:24:30,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 22:24:30,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 22:24:30,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 22:24:30,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 22:24:30,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 22:24:30,726 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 22:24:30,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 22:24:30,727 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 22:24:30,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 22:24:30,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 22:24:30,727 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 22:24:30,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 22:24:30,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 22:24:30,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 22:24:30,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 22:24:30,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 22:24:30,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 22:24:30,729 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-08 22:24:31,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 22:24:31,033 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 22:24:31,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 22:24:31,039 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 22:24:31,039 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 22:24:31,040 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-01-2.i [2020-07-08 22:24:31,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4208b231e/f361fa474e5d4674945027bac81a8c4d/FLAGe0bdca95e [2020-07-08 22:24:31,680 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 22:24:31,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-01-2.i [2020-07-08 22:24:31,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4208b231e/f361fa474e5d4674945027bac81a8c4d/FLAGe0bdca95e [2020-07-08 22:24:31,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4208b231e/f361fa474e5d4674945027bac81a8c4d [2020-07-08 22:24:31,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 22:24:31,954 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 22:24:31,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 22:24:31,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 22:24:31,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 22:24:31,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:24:31" (1/1) ... [2020-07-08 22:24:31,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba561d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:24:31, skipping insertion in model container [2020-07-08 22:24:31,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:24:31" (1/1) ... [2020-07-08 22:24:31,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 22:24:32,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 22:24:32,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:24:32,499 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 22:24:32,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:24:32,619 INFO L208 MainTranslator]: Completed translation [2020-07-08 22:24:32,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:24:32 WrapperNode [2020-07-08 22:24:32,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 22:24:32,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 22:24:32,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 22:24:32,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 22:24:32,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:24:32" (1/1) ... [2020-07-08 22:24:32,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:24:32" (1/1) ... [2020-07-08 22:24:32,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:24:32" (1/1) ... [2020-07-08 22:24:32,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:24:32" (1/1) ... [2020-07-08 22:24:32,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:24:32" (1/1) ... [2020-07-08 22:24:32,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:24:32" (1/1) ... [2020-07-08 22:24:32,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:24:32" (1/1) ... [2020-07-08 22:24:32,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 22:24:32,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 22:24:32,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 22:24:32,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 22:24:32,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:24:32" (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 [2020-07-08 22:24:32,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 22:24:32,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 22:24:32,784 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 22:24:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-08 22:24:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-08 22:24:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-08 22:24:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-08 22:24:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-08 22:24:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-08 22:24:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-08 22:24:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-08 22:24:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-08 22:24:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-08 22:24:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-08 22:24:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-08 22:24:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-08 22:24:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-08 22:24:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-08 22:24:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-08 22:24:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-08 22:24:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-08 22:24:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-08 22:24:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-08 22:24:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-08 22:24:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-08 22:24:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-08 22:24:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-08 22:24:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-08 22:24:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-08 22:24:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-08 22:24:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-08 22:24:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-08 22:24:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-08 22:24:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-08 22:24:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-08 22:24:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-08 22:24:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-08 22:24:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-08 22:24:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-08 22:24:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-08 22:24:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-08 22:24:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-08 22:24:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-08 22:24:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-08 22:24:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-08 22:24:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-08 22:24:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-08 22:24:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-08 22:24:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-08 22:24:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-08 22:24:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-08 22:24:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-08 22:24:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-08 22:24:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-08 22:24:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-08 22:24:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-08 22:24:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-08 22:24:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-08 22:24:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-08 22:24:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-08 22:24:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-08 22:24:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-08 22:24:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 22:24:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-08 22:24:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-08 22:24:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-08 22:24:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-08 22:24:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-08 22:24:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-08 22:24:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-08 22:24:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-08 22:24:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-08 22:24:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-08 22:24:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-08 22:24:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-08 22:24:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-08 22:24:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-08 22:24:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-08 22:24:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-08 22:24:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-08 22:24:32,801 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-08 22:24:32,801 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-08 22:24:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-08 22:24:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-08 22:24:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-08 22:24:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-08 22:24:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-08 22:24:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-08 22:24:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-08 22:24:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-08 22:24:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-08 22:24:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-08 22:24:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-08 22:24:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-08 22:24:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-08 22:24:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-08 22:24:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-08 22:24:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-08 22:24:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-08 22:24:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-08 22:24:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-08 22:24:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-08 22:24:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-08 22:24:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-08 22:24:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-08 22:24:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-08 22:24:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 22:24:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 22:24:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 22:24:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-08 22:24:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-08 22:24:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-08 22:24:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 22:24:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 22:24:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 22:24:33,794 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 22:24:33,795 INFO L295 CfgBuilder]: Removed 30 assume(true) statements. [2020-07-08 22:24:33,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:24:33 BoogieIcfgContainer [2020-07-08 22:24:33,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 22:24:33,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 22:24:33,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 22:24:33,806 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 22:24:33,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 10:24:31" (1/3) ... [2020-07-08 22:24:33,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e244664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:24:33, skipping insertion in model container [2020-07-08 22:24:33,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:24:32" (2/3) ... [2020-07-08 22:24:33,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e244664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:24:33, skipping insertion in model container [2020-07-08 22:24:33,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:24:33" (3/3) ... [2020-07-08 22:24:33,811 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-01-2.i [2020-07-08 22:24:33,824 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 22:24:33,834 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2020-07-08 22:24:33,851 INFO L251 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2020-07-08 22:24:33,876 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 22:24:33,876 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 22:24:33,876 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 22:24:33,877 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 22:24:33,877 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 22:24:33,877 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 22:24:33,877 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 22:24:33,878 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 22:24:33,900 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-07-08 22:24:33,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-08 22:24:33,911 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:24:33,912 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:24:33,913 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]=== [2020-07-08 22:24:33,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:24:33,921 INFO L82 PathProgramCache]: Analyzing trace with hash 885652866, now seen corresponding path program 1 times [2020-07-08 22:24:33,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:24:33,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1707046462] [2020-07-08 22:24:33,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:24:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:24:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:24:34,195 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 [2020-07-08 22:24:34,196 INFO L280 TraceCheckUtils]: 1: Hoare triple {174#true} #valid := #valid[0 := 0]; {174#true} is VALID [2020-07-08 22:24:34,196 INFO L280 TraceCheckUtils]: 2: Hoare triple {174#true} assume 0 < #StackHeapBarrier; {174#true} is VALID [2020-07-08 22:24:34,197 INFO L280 TraceCheckUtils]: 3: Hoare triple {174#true} assume true; {174#true} is VALID [2020-07-08 22:24:34,197 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {174#true} {174#true} #419#return; {174#true} is VALID [2020-07-08 22:24:34,201 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 [2020-07-08 22:24:34,201 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 [2020-07-08 22:24:34,202 INFO L280 TraceCheckUtils]: 2: Hoare triple {174#true} #valid := #valid[0 := 0]; {174#true} is VALID [2020-07-08 22:24:34,202 INFO L280 TraceCheckUtils]: 3: Hoare triple {174#true} assume 0 < #StackHeapBarrier; {174#true} is VALID [2020-07-08 22:24:34,202 INFO L280 TraceCheckUtils]: 4: Hoare triple {174#true} assume true; {174#true} is VALID [2020-07-08 22:24:34,203 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {174#true} {174#true} #419#return; {174#true} is VALID [2020-07-08 22:24:34,203 INFO L263 TraceCheckUtils]: 6: Hoare triple {174#true} call #t~ret28 := main(); {174#true} is VALID [2020-07-08 22:24:34,204 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 [2020-07-08 22:24:34,205 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 [2020-07-08 22:24:34,206 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 [2020-07-08 22:24:34,207 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 [2020-07-08 22:24:34,207 INFO L280 TraceCheckUtils]: 11: Hoare triple {175#false} assume !false; {175#false} is VALID [2020-07-08 22:24:34,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:24:34,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1707046462] [2020-07-08 22:24:34,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:24:34,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-08 22:24:34,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351949774] [2020-07-08 22:24:34,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-08 22:24:34,223 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:24:34,227 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-08 22:24:34,253 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:34,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-08 22:24:34,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:24:34,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-08 22:24:34,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-08 22:24:34,265 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 5 states. [2020-07-08 22:24:35,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:35,679 INFO L93 Difference]: Finished difference Result 360 states and 478 transitions. [2020-07-08 22:24:35,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-08 22:24:35,680 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-07-08 22:24:35,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:24:35,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 22:24:35,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 478 transitions. [2020-07-08 22:24:35,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-08 22:24:35,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 478 transitions. [2020-07-08 22:24:35,714 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 478 transitions. [2020-07-08 22:24:36,272 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 478 edges. 478 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:36,298 INFO L225 Difference]: With dead ends: 360 [2020-07-08 22:24:36,298 INFO L226 Difference]: Without dead ends: 194 [2020-07-08 22:24:36,304 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 [2020-07-08 22:24:36,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-07-08 22:24:36,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 164. [2020-07-08 22:24:36,586 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:24:36,587 INFO L82 GeneralOperation]: Start isEquivalent. First operand 194 states. Second operand 164 states. [2020-07-08 22:24:36,588 INFO L74 IsIncluded]: Start isIncluded. First operand 194 states. Second operand 164 states. [2020-07-08 22:24:36,588 INFO L87 Difference]: Start difference. First operand 194 states. Second operand 164 states. [2020-07-08 22:24:36,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:36,603 INFO L93 Difference]: Finished difference Result 194 states and 205 transitions. [2020-07-08 22:24:36,603 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 205 transitions. [2020-07-08 22:24:36,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:24:36,607 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:24:36,607 INFO L74 IsIncluded]: Start isIncluded. First operand 164 states. Second operand 194 states. [2020-07-08 22:24:36,608 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 194 states. [2020-07-08 22:24:36,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:36,621 INFO L93 Difference]: Finished difference Result 194 states and 205 transitions. [2020-07-08 22:24:36,621 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 205 transitions. [2020-07-08 22:24:36,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:24:36,631 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:24:36,631 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:24:36,631 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:24:36,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-07-08 22:24:36,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 174 transitions. [2020-07-08 22:24:36,642 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 174 transitions. Word has length 12 [2020-07-08 22:24:36,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:24:36,642 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 174 transitions. [2020-07-08 22:24:36,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-08 22:24:36,642 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 164 states and 174 transitions. [2020-07-08 22:24:36,834 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:36,835 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 174 transitions. [2020-07-08 22:24:36,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-08 22:24:36,836 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:24:36,838 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] [2020-07-08 22:24:36,839 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 22:24:36,840 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]=== [2020-07-08 22:24:36,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:24:36,840 INFO L82 PathProgramCache]: Analyzing trace with hash 684663316, now seen corresponding path program 1 times [2020-07-08 22:24:36,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:24:36,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2003771534] [2020-07-08 22:24:36,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:24:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:24:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:24:36,927 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 [2020-07-08 22:24:36,928 INFO L280 TraceCheckUtils]: 1: Hoare triple {1624#true} #valid := #valid[0 := 0]; {1624#true} is VALID [2020-07-08 22:24:36,928 INFO L280 TraceCheckUtils]: 2: Hoare triple {1624#true} assume 0 < #StackHeapBarrier; {1624#true} is VALID [2020-07-08 22:24:36,928 INFO L280 TraceCheckUtils]: 3: Hoare triple {1624#true} assume true; {1624#true} is VALID [2020-07-08 22:24:36,928 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1624#true} {1624#true} #419#return; {1624#true} is VALID [2020-07-08 22:24:36,930 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 [2020-07-08 22:24:36,930 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 [2020-07-08 22:24:36,930 INFO L280 TraceCheckUtils]: 2: Hoare triple {1624#true} #valid := #valid[0 := 0]; {1624#true} is VALID [2020-07-08 22:24:36,930 INFO L280 TraceCheckUtils]: 3: Hoare triple {1624#true} assume 0 < #StackHeapBarrier; {1624#true} is VALID [2020-07-08 22:24:36,931 INFO L280 TraceCheckUtils]: 4: Hoare triple {1624#true} assume true; {1624#true} is VALID [2020-07-08 22:24:36,931 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1624#true} {1624#true} #419#return; {1624#true} is VALID [2020-07-08 22:24:36,931 INFO L263 TraceCheckUtils]: 6: Hoare triple {1624#true} call #t~ret28 := main(); {1624#true} is VALID [2020-07-08 22:24:36,932 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 [2020-07-08 22:24:36,932 INFO L280 TraceCheckUtils]: 8: Hoare triple {1624#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {1624#true} is VALID [2020-07-08 22:24:36,932 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 [2020-07-08 22:24:36,932 INFO L280 TraceCheckUtils]: 10: Hoare triple {1624#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {1624#true} is VALID [2020-07-08 22:24:36,933 INFO L280 TraceCheckUtils]: 11: Hoare triple {1624#true} goto; {1624#true} is VALID [2020-07-08 22:24:36,933 INFO L280 TraceCheckUtils]: 12: Hoare triple {1624#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {1624#true} is VALID [2020-07-08 22:24:36,933 INFO L280 TraceCheckUtils]: 13: Hoare triple {1624#true} assume 0 != #t~nondet1; {1624#true} is VALID [2020-07-08 22:24:36,934 INFO L280 TraceCheckUtils]: 14: Hoare triple {1624#true} havoc #t~nondet1; {1624#true} is VALID [2020-07-08 22:24:36,934 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 [2020-07-08 22:24:36,934 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 [2020-07-08 22:24:36,934 INFO L280 TraceCheckUtils]: 17: Hoare triple {1624#true} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {1624#true} is VALID [2020-07-08 22:24:36,935 INFO L280 TraceCheckUtils]: 18: Hoare triple {1624#true} assume #t~short7; {1631#|main_#t~short7|} is VALID [2020-07-08 22:24:36,936 INFO L280 TraceCheckUtils]: 19: Hoare triple {1631#|main_#t~short7|} assume !#t~short7; {1625#false} is VALID [2020-07-08 22:24:36,936 INFO L280 TraceCheckUtils]: 20: Hoare triple {1625#false} havoc #t~mem6.base, #t~mem6.offset; {1625#false} is VALID [2020-07-08 22:24:36,937 INFO L280 TraceCheckUtils]: 21: Hoare triple {1625#false} havoc #t~mem5.base, #t~mem5.offset; {1625#false} is VALID [2020-07-08 22:24:36,937 INFO L280 TraceCheckUtils]: 22: Hoare triple {1625#false} havoc #t~short7; {1625#false} is VALID [2020-07-08 22:24:36,937 INFO L280 TraceCheckUtils]: 23: Hoare triple {1625#false} assume !false; {1625#false} is VALID [2020-07-08 22:24:36,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:24:36,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2003771534] [2020-07-08 22:24:36,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:24:36,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 22:24:36,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921133998] [2020-07-08 22:24:36,942 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-07-08 22:24:36,942 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:24:36,942 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 22:24:36,982 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:36,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 22:24:36,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:24:36,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 22:24:36,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 22:24:36,984 INFO L87 Difference]: Start difference. First operand 164 states and 174 transitions. Second operand 4 states. [2020-07-08 22:24:37,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:37,746 INFO L93 Difference]: Finished difference Result 170 states and 180 transitions. [2020-07-08 22:24:37,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-08 22:24:37,747 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-07-08 22:24:37,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:24:37,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 22:24:37,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 180 transitions. [2020-07-08 22:24:37,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 22:24:37,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 180 transitions. [2020-07-08 22:24:37,755 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 180 transitions. [2020-07-08 22:24:37,926 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 180 edges. 180 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:37,931 INFO L225 Difference]: With dead ends: 170 [2020-07-08 22:24:37,932 INFO L226 Difference]: Without dead ends: 165 [2020-07-08 22:24:37,933 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 [2020-07-08 22:24:37,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-07-08 22:24:38,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2020-07-08 22:24:38,202 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:24:38,203 INFO L82 GeneralOperation]: Start isEquivalent. First operand 165 states. Second operand 165 states. [2020-07-08 22:24:38,203 INFO L74 IsIncluded]: Start isIncluded. First operand 165 states. Second operand 165 states. [2020-07-08 22:24:38,203 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 165 states. [2020-07-08 22:24:38,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:38,210 INFO L93 Difference]: Finished difference Result 165 states and 175 transitions. [2020-07-08 22:24:38,210 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 175 transitions. [2020-07-08 22:24:38,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:24:38,211 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:24:38,211 INFO L74 IsIncluded]: Start isIncluded. First operand 165 states. Second operand 165 states. [2020-07-08 22:24:38,211 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 165 states. [2020-07-08 22:24:38,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:38,218 INFO L93 Difference]: Finished difference Result 165 states and 175 transitions. [2020-07-08 22:24:38,218 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 175 transitions. [2020-07-08 22:24:38,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:24:38,219 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:24:38,219 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:24:38,219 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:24:38,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-07-08 22:24:38,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 175 transitions. [2020-07-08 22:24:38,225 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 175 transitions. Word has length 24 [2020-07-08 22:24:38,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:24:38,225 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 175 transitions. [2020-07-08 22:24:38,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 22:24:38,226 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 165 states and 175 transitions. [2020-07-08 22:24:38,421 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:38,422 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 175 transitions. [2020-07-08 22:24:38,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-08 22:24:38,423 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:24:38,423 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] [2020-07-08 22:24:38,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 22:24:38,423 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]=== [2020-07-08 22:24:38,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:24:38,424 INFO L82 PathProgramCache]: Analyzing trace with hash -265499727, now seen corresponding path program 1 times [2020-07-08 22:24:38,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:24:38,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1937842851] [2020-07-08 22:24:38,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:24:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:24:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:24:38,608 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 [2020-07-08 22:24:38,609 INFO L280 TraceCheckUtils]: 1: Hoare triple {2635#true} #valid := #valid[0 := 0]; {2635#true} is VALID [2020-07-08 22:24:38,609 INFO L280 TraceCheckUtils]: 2: Hoare triple {2635#true} assume 0 < #StackHeapBarrier; {2635#true} is VALID [2020-07-08 22:24:38,609 INFO L280 TraceCheckUtils]: 3: Hoare triple {2635#true} assume true; {2635#true} is VALID [2020-07-08 22:24:38,609 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2635#true} {2635#true} #419#return; {2635#true} is VALID [2020-07-08 22:24:38,615 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 [2020-07-08 22:24:38,615 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 [2020-07-08 22:24:38,615 INFO L280 TraceCheckUtils]: 2: Hoare triple {2635#true} #valid := #valid[0 := 0]; {2635#true} is VALID [2020-07-08 22:24:38,616 INFO L280 TraceCheckUtils]: 3: Hoare triple {2635#true} assume 0 < #StackHeapBarrier; {2635#true} is VALID [2020-07-08 22:24:38,616 INFO L280 TraceCheckUtils]: 4: Hoare triple {2635#true} assume true; {2635#true} is VALID [2020-07-08 22:24:38,616 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2635#true} {2635#true} #419#return; {2635#true} is VALID [2020-07-08 22:24:38,617 INFO L263 TraceCheckUtils]: 6: Hoare triple {2635#true} call #t~ret28 := main(); {2635#true} is VALID [2020-07-08 22:24:38,617 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 [2020-07-08 22:24:38,617 INFO L280 TraceCheckUtils]: 8: Hoare triple {2635#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {2635#true} is VALID [2020-07-08 22:24:38,617 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 [2020-07-08 22:24:38,618 INFO L280 TraceCheckUtils]: 10: Hoare triple {2635#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {2635#true} is VALID [2020-07-08 22:24:38,618 INFO L280 TraceCheckUtils]: 11: Hoare triple {2635#true} goto; {2635#true} is VALID [2020-07-08 22:24:38,618 INFO L280 TraceCheckUtils]: 12: Hoare triple {2635#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {2635#true} is VALID [2020-07-08 22:24:38,618 INFO L280 TraceCheckUtils]: 13: Hoare triple {2635#true} assume 0 != #t~nondet1; {2635#true} is VALID [2020-07-08 22:24:38,619 INFO L280 TraceCheckUtils]: 14: Hoare triple {2635#true} havoc #t~nondet1; {2635#true} is VALID [2020-07-08 22:24:38,619 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 [2020-07-08 22:24:38,623 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 [2020-07-08 22:24:38,624 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 [2020-07-08 22:24:38,625 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 [2020-07-08 22:24:38,626 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 [2020-07-08 22:24:38,628 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 [2020-07-08 22:24:38,629 INFO L280 TraceCheckUtils]: 21: Hoare triple {2646#|main_#t~short7|} assume !#t~short7; {2636#false} is VALID [2020-07-08 22:24:38,629 INFO L280 TraceCheckUtils]: 22: Hoare triple {2636#false} havoc #t~mem6.base, #t~mem6.offset; {2636#false} is VALID [2020-07-08 22:24:38,629 INFO L280 TraceCheckUtils]: 23: Hoare triple {2636#false} havoc #t~mem5.base, #t~mem5.offset; {2636#false} is VALID [2020-07-08 22:24:38,629 INFO L280 TraceCheckUtils]: 24: Hoare triple {2636#false} havoc #t~short7; {2636#false} is VALID [2020-07-08 22:24:38,630 INFO L280 TraceCheckUtils]: 25: Hoare triple {2636#false} assume !false; {2636#false} is VALID [2020-07-08 22:24:38,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:24:38,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1937842851] [2020-07-08 22:24:38,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:24:38,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-08 22:24:38,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573959835] [2020-07-08 22:24:38,633 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2020-07-08 22:24:38,633 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:24:38,635 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-08 22:24:38,666 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:38,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-08 22:24:38,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:24:38,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-08 22:24:38,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-07-08 22:24:38,668 INFO L87 Difference]: Start difference. First operand 165 states and 175 transitions. Second operand 8 states. [2020-07-08 22:24:40,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:40,604 INFO L93 Difference]: Finished difference Result 258 states and 275 transitions. [2020-07-08 22:24:40,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-08 22:24:40,604 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2020-07-08 22:24:40,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:24:40,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 22:24:40,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 275 transitions. [2020-07-08 22:24:40,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 22:24:40,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 275 transitions. [2020-07-08 22:24:40,614 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 275 transitions. [2020-07-08 22:24:40,909 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 275 edges. 275 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:40,918 INFO L225 Difference]: With dead ends: 258 [2020-07-08 22:24:40,918 INFO L226 Difference]: Without dead ends: 253 [2020-07-08 22:24:40,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-07-08 22:24:40,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-07-08 22:24:41,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 159. [2020-07-08 22:24:41,246 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:24:41,246 INFO L82 GeneralOperation]: Start isEquivalent. First operand 253 states. Second operand 159 states. [2020-07-08 22:24:41,246 INFO L74 IsIncluded]: Start isIncluded. First operand 253 states. Second operand 159 states. [2020-07-08 22:24:41,246 INFO L87 Difference]: Start difference. First operand 253 states. Second operand 159 states. [2020-07-08 22:24:41,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:41,256 INFO L93 Difference]: Finished difference Result 253 states and 270 transitions. [2020-07-08 22:24:41,256 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 270 transitions. [2020-07-08 22:24:41,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:24:41,257 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:24:41,257 INFO L74 IsIncluded]: Start isIncluded. First operand 159 states. Second operand 253 states. [2020-07-08 22:24:41,257 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 253 states. [2020-07-08 22:24:41,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:41,266 INFO L93 Difference]: Finished difference Result 253 states and 270 transitions. [2020-07-08 22:24:41,267 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 270 transitions. [2020-07-08 22:24:41,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:24:41,268 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:24:41,268 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:24:41,268 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:24:41,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-07-08 22:24:41,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 169 transitions. [2020-07-08 22:24:41,273 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 169 transitions. Word has length 26 [2020-07-08 22:24:41,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:24:41,274 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 169 transitions. [2020-07-08 22:24:41,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-08 22:24:41,274 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 159 states and 169 transitions. [2020-07-08 22:24:41,522 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 169 edges. 169 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:41,522 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2020-07-08 22:24:41,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-08 22:24:41,523 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:24:41,524 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] [2020-07-08 22:24:41,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 22:24:41,525 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]=== [2020-07-08 22:24:41,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:24:41,525 INFO L82 PathProgramCache]: Analyzing trace with hash 72562886, now seen corresponding path program 1 times [2020-07-08 22:24:41,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:24:41,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825191101] [2020-07-08 22:24:41,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:24:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:24:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:24:41,662 INFO L280 TraceCheckUtils]: 0: Hoare triple {4014#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {4004#true} is VALID [2020-07-08 22:24:41,662 INFO L280 TraceCheckUtils]: 1: Hoare triple {4004#true} #valid := #valid[0 := 0]; {4004#true} is VALID [2020-07-08 22:24:41,662 INFO L280 TraceCheckUtils]: 2: Hoare triple {4004#true} assume 0 < #StackHeapBarrier; {4004#true} is VALID [2020-07-08 22:24:41,663 INFO L280 TraceCheckUtils]: 3: Hoare triple {4004#true} assume true; {4004#true} is VALID [2020-07-08 22:24:41,663 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4004#true} {4004#true} #419#return; {4004#true} is VALID [2020-07-08 22:24:41,664 INFO L263 TraceCheckUtils]: 0: Hoare triple {4004#true} call ULTIMATE.init(); {4014#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:24:41,665 INFO L280 TraceCheckUtils]: 1: Hoare triple {4014#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {4004#true} is VALID [2020-07-08 22:24:41,665 INFO L280 TraceCheckUtils]: 2: Hoare triple {4004#true} #valid := #valid[0 := 0]; {4004#true} is VALID [2020-07-08 22:24:41,665 INFO L280 TraceCheckUtils]: 3: Hoare triple {4004#true} assume 0 < #StackHeapBarrier; {4004#true} is VALID [2020-07-08 22:24:41,665 INFO L280 TraceCheckUtils]: 4: Hoare triple {4004#true} assume true; {4004#true} is VALID [2020-07-08 22:24:41,666 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4004#true} {4004#true} #419#return; {4004#true} is VALID [2020-07-08 22:24:41,666 INFO L263 TraceCheckUtils]: 6: Hoare triple {4004#true} call #t~ret28 := main(); {4004#true} is VALID [2020-07-08 22:24:41,666 INFO L280 TraceCheckUtils]: 7: Hoare triple {4004#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {4004#true} is VALID [2020-07-08 22:24:41,667 INFO L280 TraceCheckUtils]: 8: Hoare triple {4004#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {4004#true} is VALID [2020-07-08 22:24:41,667 INFO L280 TraceCheckUtils]: 9: Hoare triple {4004#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {4004#true} is VALID [2020-07-08 22:24:41,667 INFO L280 TraceCheckUtils]: 10: Hoare triple {4004#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {4004#true} is VALID [2020-07-08 22:24:41,667 INFO L280 TraceCheckUtils]: 11: Hoare triple {4004#true} goto; {4004#true} is VALID [2020-07-08 22:24:41,668 INFO L280 TraceCheckUtils]: 12: Hoare triple {4004#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {4004#true} is VALID [2020-07-08 22:24:41,668 INFO L280 TraceCheckUtils]: 13: Hoare triple {4004#true} assume 0 != #t~nondet1; {4004#true} is VALID [2020-07-08 22:24:41,668 INFO L280 TraceCheckUtils]: 14: Hoare triple {4004#true} havoc #t~nondet1; {4004#true} is VALID [2020-07-08 22:24:41,669 INFO L280 TraceCheckUtils]: 15: Hoare triple {4004#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {4011#(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 [2020-07-08 22:24:41,671 INFO L280 TraceCheckUtils]: 16: Hoare triple {4011#(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 {4012#(and (= 0 |main_#t~mem5.offset|) (= 0 |main_#t~mem5.base|))} is VALID [2020-07-08 22:24:41,671 INFO L280 TraceCheckUtils]: 17: Hoare triple {4012#(and (= 0 |main_#t~mem5.offset|) (= 0 |main_#t~mem5.base|))} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {4013#(not |main_#t~short7|)} is VALID [2020-07-08 22:24:41,672 INFO L280 TraceCheckUtils]: 18: Hoare triple {4013#(not |main_#t~short7|)} assume #t~short7; {4005#false} is VALID [2020-07-08 22:24:41,673 INFO L280 TraceCheckUtils]: 19: Hoare triple {4005#false} assume !!#t~short7; {4005#false} is VALID [2020-07-08 22:24:41,673 INFO L280 TraceCheckUtils]: 20: Hoare triple {4005#false} havoc #t~mem6.base, #t~mem6.offset; {4005#false} is VALID [2020-07-08 22:24:41,673 INFO L280 TraceCheckUtils]: 21: Hoare triple {4005#false} havoc #t~mem5.base, #t~mem5.offset; {4005#false} is VALID [2020-07-08 22:24:41,674 INFO L280 TraceCheckUtils]: 22: Hoare triple {4005#false} havoc #t~short7; {4005#false} is VALID [2020-07-08 22:24:41,674 INFO L280 TraceCheckUtils]: 23: Hoare triple {4005#false} goto; {4005#false} is VALID [2020-07-08 22:24:41,674 INFO L280 TraceCheckUtils]: 24: Hoare triple {4005#false} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {4005#false} is VALID [2020-07-08 22:24:41,674 INFO L280 TraceCheckUtils]: 25: Hoare triple {4005#false} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {4005#false} is VALID [2020-07-08 22:24:41,675 INFO L280 TraceCheckUtils]: 26: Hoare triple {4005#false} assume !(0 != #t~nondet8); {4005#false} is VALID [2020-07-08 22:24:41,675 INFO L280 TraceCheckUtils]: 27: Hoare triple {4005#false} havoc #t~nondet8; {4005#false} is VALID [2020-07-08 22:24:41,675 INFO L280 TraceCheckUtils]: 28: Hoare triple {4005#false} ~end~0.base, ~end~0.offset := 0, 0; {4005#false} is VALID [2020-07-08 22:24:41,678 INFO L280 TraceCheckUtils]: 29: Hoare triple {4005#false} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {4005#false} is VALID [2020-07-08 22:24:41,679 INFO L280 TraceCheckUtils]: 30: Hoare triple {4005#false} assume !(0 != ~end~0.base || 0 != ~end~0.offset); {4005#false} is VALID [2020-07-08 22:24:41,679 INFO L280 TraceCheckUtils]: 31: Hoare triple {4005#false} assume !false; {4005#false} is VALID [2020-07-08 22:24:41,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:24:41,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825191101] [2020-07-08 22:24:41,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:24:41,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 22:24:41,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698252976] [2020-07-08 22:24:41,684 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-07-08 22:24:41,685 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:24:41,685 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 22:24:41,720 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:41,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 22:24:41,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:24:41,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 22:24:41,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 22:24:41,721 INFO L87 Difference]: Start difference. First operand 159 states and 169 transitions. Second operand 6 states. [2020-07-08 22:24:43,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:43,438 INFO L93 Difference]: Finished difference Result 382 states and 407 transitions. [2020-07-08 22:24:43,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 22:24:43,438 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-07-08 22:24:43,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:24:43,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 22:24:43,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 407 transitions. [2020-07-08 22:24:43,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 22:24:43,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 407 transitions. [2020-07-08 22:24:43,455 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 407 transitions. [2020-07-08 22:24:43,873 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 407 edges. 407 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:43,884 INFO L225 Difference]: With dead ends: 382 [2020-07-08 22:24:43,884 INFO L226 Difference]: Without dead ends: 253 [2020-07-08 22:24:43,888 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 [2020-07-08 22:24:43,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-07-08 22:24:44,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 162. [2020-07-08 22:24:44,221 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:24:44,221 INFO L82 GeneralOperation]: Start isEquivalent. First operand 253 states. Second operand 162 states. [2020-07-08 22:24:44,221 INFO L74 IsIncluded]: Start isIncluded. First operand 253 states. Second operand 162 states. [2020-07-08 22:24:44,221 INFO L87 Difference]: Start difference. First operand 253 states. Second operand 162 states. [2020-07-08 22:24:44,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:44,230 INFO L93 Difference]: Finished difference Result 253 states and 269 transitions. [2020-07-08 22:24:44,230 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 269 transitions. [2020-07-08 22:24:44,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:24:44,231 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:24:44,231 INFO L74 IsIncluded]: Start isIncluded. First operand 162 states. Second operand 253 states. [2020-07-08 22:24:44,231 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 253 states. [2020-07-08 22:24:44,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:44,240 INFO L93 Difference]: Finished difference Result 253 states and 269 transitions. [2020-07-08 22:24:44,240 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 269 transitions. [2020-07-08 22:24:44,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:24:44,241 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:24:44,241 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:24:44,242 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:24:44,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-07-08 22:24:44,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 172 transitions. [2020-07-08 22:24:44,247 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 172 transitions. Word has length 32 [2020-07-08 22:24:44,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:24:44,247 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 172 transitions. [2020-07-08 22:24:44,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 22:24:44,248 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 162 states and 172 transitions. [2020-07-08 22:24:44,549 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 172 edges. 172 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:44,550 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 172 transitions. [2020-07-08 22:24:44,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-08 22:24:44,551 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:24:44,551 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] [2020-07-08 22:24:44,552 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 22:24:44,552 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]=== [2020-07-08 22:24:44,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:24:44,553 INFO L82 PathProgramCache]: Analyzing trace with hash 972027235, now seen corresponding path program 1 times [2020-07-08 22:24:44,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:24:44,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1299781631] [2020-07-08 22:24:44,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:24:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:24:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:24:44,665 INFO L280 TraceCheckUtils]: 0: Hoare triple {5625#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {5615#true} is VALID [2020-07-08 22:24:44,665 INFO L280 TraceCheckUtils]: 1: Hoare triple {5615#true} #valid := #valid[0 := 0]; {5615#true} is VALID [2020-07-08 22:24:44,665 INFO L280 TraceCheckUtils]: 2: Hoare triple {5615#true} assume 0 < #StackHeapBarrier; {5615#true} is VALID [2020-07-08 22:24:44,665 INFO L280 TraceCheckUtils]: 3: Hoare triple {5615#true} assume true; {5615#true} is VALID [2020-07-08 22:24:44,665 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {5615#true} {5615#true} #419#return; {5615#true} is VALID [2020-07-08 22:24:44,666 INFO L263 TraceCheckUtils]: 0: Hoare triple {5615#true} call ULTIMATE.init(); {5625#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:24:44,666 INFO L280 TraceCheckUtils]: 1: Hoare triple {5625#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {5615#true} is VALID [2020-07-08 22:24:44,667 INFO L280 TraceCheckUtils]: 2: Hoare triple {5615#true} #valid := #valid[0 := 0]; {5615#true} is VALID [2020-07-08 22:24:44,667 INFO L280 TraceCheckUtils]: 3: Hoare triple {5615#true} assume 0 < #StackHeapBarrier; {5615#true} is VALID [2020-07-08 22:24:44,667 INFO L280 TraceCheckUtils]: 4: Hoare triple {5615#true} assume true; {5615#true} is VALID [2020-07-08 22:24:44,667 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5615#true} {5615#true} #419#return; {5615#true} is VALID [2020-07-08 22:24:44,668 INFO L263 TraceCheckUtils]: 6: Hoare triple {5615#true} call #t~ret28 := main(); {5615#true} is VALID [2020-07-08 22:24:44,675 INFO L280 TraceCheckUtils]: 7: Hoare triple {5615#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {5622#(not (= 0 |main_#t~malloc0.base|))} is VALID [2020-07-08 22:24:44,676 INFO L280 TraceCheckUtils]: 8: Hoare triple {5622#(not (= 0 |main_#t~malloc0.base|))} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,676 INFO L280 TraceCheckUtils]: 9: Hoare triple {5623#(not (= 0 main_~list~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,679 INFO L280 TraceCheckUtils]: 10: Hoare triple {5623#(not (= 0 main_~list~0.base))} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,680 INFO L280 TraceCheckUtils]: 11: Hoare triple {5623#(not (= 0 main_~list~0.base))} goto; {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,681 INFO L280 TraceCheckUtils]: 12: Hoare triple {5623#(not (= 0 main_~list~0.base))} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,681 INFO L280 TraceCheckUtils]: 13: Hoare triple {5623#(not (= 0 main_~list~0.base))} assume 0 != #t~nondet1; {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,681 INFO L280 TraceCheckUtils]: 14: Hoare triple {5623#(not (= 0 main_~list~0.base))} havoc #t~nondet1; {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,682 INFO L280 TraceCheckUtils]: 15: Hoare triple {5623#(not (= 0 main_~list~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,682 INFO L280 TraceCheckUtils]: 16: Hoare triple {5623#(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 {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,683 INFO L280 TraceCheckUtils]: 17: Hoare triple {5623#(not (= 0 main_~list~0.base))} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,683 INFO L280 TraceCheckUtils]: 18: Hoare triple {5623#(not (= 0 main_~list~0.base))} assume !#t~short7; {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,683 INFO L280 TraceCheckUtils]: 19: Hoare triple {5623#(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 {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,684 INFO L280 TraceCheckUtils]: 20: Hoare triple {5623#(not (= 0 main_~list~0.base))} #t~short7 := #t~mem6.base == 0 && #t~mem6.offset == 0; {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,684 INFO L280 TraceCheckUtils]: 21: Hoare triple {5623#(not (= 0 main_~list~0.base))} assume !!#t~short7; {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,685 INFO L280 TraceCheckUtils]: 22: Hoare triple {5623#(not (= 0 main_~list~0.base))} havoc #t~mem6.base, #t~mem6.offset; {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,691 INFO L280 TraceCheckUtils]: 23: Hoare triple {5623#(not (= 0 main_~list~0.base))} havoc #t~mem5.base, #t~mem5.offset; {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,692 INFO L280 TraceCheckUtils]: 24: Hoare triple {5623#(not (= 0 main_~list~0.base))} havoc #t~short7; {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,692 INFO L280 TraceCheckUtils]: 25: Hoare triple {5623#(not (= 0 main_~list~0.base))} goto; {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,697 INFO L280 TraceCheckUtils]: 26: Hoare triple {5623#(not (= 0 main_~list~0.base))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,700 INFO L280 TraceCheckUtils]: 27: Hoare triple {5623#(not (= 0 main_~list~0.base))} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,700 INFO L280 TraceCheckUtils]: 28: Hoare triple {5623#(not (= 0 main_~list~0.base))} assume !(0 != #t~nondet8); {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,701 INFO L280 TraceCheckUtils]: 29: Hoare triple {5623#(not (= 0 main_~list~0.base))} havoc #t~nondet8; {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,702 INFO L280 TraceCheckUtils]: 30: Hoare triple {5623#(not (= 0 main_~list~0.base))} ~end~0.base, ~end~0.offset := 0, 0; {5623#(not (= 0 main_~list~0.base))} is VALID [2020-07-08 22:24:44,702 INFO L280 TraceCheckUtils]: 31: Hoare triple {5623#(not (= 0 main_~list~0.base))} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {5624#(not (= 0 main_~end~0.base))} is VALID [2020-07-08 22:24:44,703 INFO L280 TraceCheckUtils]: 32: Hoare triple {5624#(not (= 0 main_~end~0.base))} assume !(0 != ~end~0.base || 0 != ~end~0.offset); {5616#false} is VALID [2020-07-08 22:24:44,703 INFO L280 TraceCheckUtils]: 33: Hoare triple {5616#false} assume !false; {5616#false} is VALID [2020-07-08 22:24:44,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:24:44,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1299781631] [2020-07-08 22:24:44,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:24:44,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 22:24:44,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607604552] [2020-07-08 22:24:44,707 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-08 22:24:44,708 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:24:44,708 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 22:24:44,762 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:44,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 22:24:44,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:24:44,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 22:24:44,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 22:24:44,764 INFO L87 Difference]: Start difference. First operand 162 states and 172 transitions. Second operand 6 states. [2020-07-08 22:24:46,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:46,209 INFO L93 Difference]: Finished difference Result 271 states and 288 transitions. [2020-07-08 22:24:46,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-08 22:24:46,209 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-08 22:24:46,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:24:46,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 22:24:46,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 285 transitions. [2020-07-08 22:24:46,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 22:24:46,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 285 transitions. [2020-07-08 22:24:46,232 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 285 transitions. [2020-07-08 22:24:46,600 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 285 edges. 285 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:46,606 INFO L225 Difference]: With dead ends: 271 [2020-07-08 22:24:46,606 INFO L226 Difference]: Without dead ends: 239 [2020-07-08 22:24:46,607 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 [2020-07-08 22:24:46,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-07-08 22:24:46,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 161. [2020-07-08 22:24:46,941 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:24:46,941 INFO L82 GeneralOperation]: Start isEquivalent. First operand 239 states. Second operand 161 states. [2020-07-08 22:24:46,941 INFO L74 IsIncluded]: Start isIncluded. First operand 239 states. Second operand 161 states. [2020-07-08 22:24:46,941 INFO L87 Difference]: Start difference. First operand 239 states. Second operand 161 states. [2020-07-08 22:24:46,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:46,949 INFO L93 Difference]: Finished difference Result 239 states and 254 transitions. [2020-07-08 22:24:46,949 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 254 transitions. [2020-07-08 22:24:46,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:24:46,951 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:24:46,951 INFO L74 IsIncluded]: Start isIncluded. First operand 161 states. Second operand 239 states. [2020-07-08 22:24:46,951 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 239 states. [2020-07-08 22:24:46,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:46,958 INFO L93 Difference]: Finished difference Result 239 states and 254 transitions. [2020-07-08 22:24:46,958 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 254 transitions. [2020-07-08 22:24:46,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:24:46,959 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:24:46,959 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:24:46,959 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:24:46,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-07-08 22:24:46,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 171 transitions. [2020-07-08 22:24:46,963 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 171 transitions. Word has length 34 [2020-07-08 22:24:46,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:24:46,963 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 171 transitions. [2020-07-08 22:24:46,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 22:24:46,964 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 161 states and 171 transitions. [2020-07-08 22:24:47,258 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 171 edges. 171 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:47,258 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 171 transitions. [2020-07-08 22:24:47,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-08 22:24:47,260 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:24:47,260 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] [2020-07-08 22:24:47,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-08 22:24:47,261 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]=== [2020-07-08 22:24:47,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:24:47,262 INFO L82 PathProgramCache]: Analyzing trace with hash -401575995, now seen corresponding path program 1 times [2020-07-08 22:24:47,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:24:47,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [688918397] [2020-07-08 22:24:47,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:24:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:24:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:24:47,380 INFO L280 TraceCheckUtils]: 0: Hoare triple {6985#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {6974#true} is VALID [2020-07-08 22:24:47,381 INFO L280 TraceCheckUtils]: 1: Hoare triple {6974#true} #valid := #valid[0 := 0]; {6974#true} is VALID [2020-07-08 22:24:47,381 INFO L280 TraceCheckUtils]: 2: Hoare triple {6974#true} assume 0 < #StackHeapBarrier; {6974#true} is VALID [2020-07-08 22:24:47,381 INFO L280 TraceCheckUtils]: 3: Hoare triple {6974#true} assume true; {6974#true} is VALID [2020-07-08 22:24:47,381 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6974#true} {6974#true} #419#return; {6974#true} is VALID [2020-07-08 22:24:47,385 INFO L263 TraceCheckUtils]: 0: Hoare triple {6974#true} call ULTIMATE.init(); {6985#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:24:47,385 INFO L280 TraceCheckUtils]: 1: Hoare triple {6985#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {6974#true} is VALID [2020-07-08 22:24:47,385 INFO L280 TraceCheckUtils]: 2: Hoare triple {6974#true} #valid := #valid[0 := 0]; {6974#true} is VALID [2020-07-08 22:24:47,386 INFO L280 TraceCheckUtils]: 3: Hoare triple {6974#true} assume 0 < #StackHeapBarrier; {6974#true} is VALID [2020-07-08 22:24:47,386 INFO L280 TraceCheckUtils]: 4: Hoare triple {6974#true} assume true; {6974#true} is VALID [2020-07-08 22:24:47,386 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6974#true} {6974#true} #419#return; {6974#true} is VALID [2020-07-08 22:24:47,386 INFO L263 TraceCheckUtils]: 6: Hoare triple {6974#true} call #t~ret28 := main(); {6974#true} is VALID [2020-07-08 22:24:47,387 INFO L280 TraceCheckUtils]: 7: Hoare triple {6974#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {6974#true} is VALID [2020-07-08 22:24:47,387 INFO L280 TraceCheckUtils]: 8: Hoare triple {6974#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {6974#true} is VALID [2020-07-08 22:24:47,387 INFO L280 TraceCheckUtils]: 9: Hoare triple {6974#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {6974#true} is VALID [2020-07-08 22:24:47,387 INFO L280 TraceCheckUtils]: 10: Hoare triple {6974#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {6974#true} is VALID [2020-07-08 22:24:47,388 INFO L280 TraceCheckUtils]: 11: Hoare triple {6974#true} goto; {6974#true} is VALID [2020-07-08 22:24:47,388 INFO L280 TraceCheckUtils]: 12: Hoare triple {6974#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {6974#true} is VALID [2020-07-08 22:24:47,388 INFO L280 TraceCheckUtils]: 13: Hoare triple {6974#true} assume 0 != #t~nondet1; {6974#true} is VALID [2020-07-08 22:24:47,388 INFO L280 TraceCheckUtils]: 14: Hoare triple {6974#true} havoc #t~nondet1; {6974#true} is VALID [2020-07-08 22:24:47,388 INFO L280 TraceCheckUtils]: 15: Hoare triple {6974#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {6974#true} is VALID [2020-07-08 22:24:47,389 INFO L280 TraceCheckUtils]: 16: Hoare triple {6974#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {6974#true} is VALID [2020-07-08 22:24:47,389 INFO L280 TraceCheckUtils]: 17: Hoare triple {6974#true} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {6974#true} is VALID [2020-07-08 22:24:47,389 INFO L280 TraceCheckUtils]: 18: Hoare triple {6974#true} assume !#t~short7; {6974#true} is VALID [2020-07-08 22:24:47,389 INFO L280 TraceCheckUtils]: 19: Hoare triple {6974#true} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-22 {6974#true} is VALID [2020-07-08 22:24:47,390 INFO L280 TraceCheckUtils]: 20: Hoare triple {6974#true} #t~short7 := #t~mem6.base == 0 && #t~mem6.offset == 0; {6974#true} is VALID [2020-07-08 22:24:47,390 INFO L280 TraceCheckUtils]: 21: Hoare triple {6974#true} assume !!#t~short7; {6974#true} is VALID [2020-07-08 22:24:47,390 INFO L280 TraceCheckUtils]: 22: Hoare triple {6974#true} havoc #t~mem6.base, #t~mem6.offset; {6974#true} is VALID [2020-07-08 22:24:47,390 INFO L280 TraceCheckUtils]: 23: Hoare triple {6974#true} havoc #t~mem5.base, #t~mem5.offset; {6974#true} is VALID [2020-07-08 22:24:47,390 INFO L280 TraceCheckUtils]: 24: Hoare triple {6974#true} havoc #t~short7; {6974#true} is VALID [2020-07-08 22:24:47,391 INFO L280 TraceCheckUtils]: 25: Hoare triple {6974#true} goto; {6974#true} is VALID [2020-07-08 22:24:47,391 INFO L280 TraceCheckUtils]: 26: Hoare triple {6974#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {6974#true} is VALID [2020-07-08 22:24:47,391 INFO L280 TraceCheckUtils]: 27: Hoare triple {6974#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {6974#true} is VALID [2020-07-08 22:24:47,391 INFO L280 TraceCheckUtils]: 28: Hoare triple {6974#true} assume !!(0 != #t~nondet8); {6974#true} is VALID [2020-07-08 22:24:47,392 INFO L280 TraceCheckUtils]: 29: Hoare triple {6974#true} havoc #t~nondet8; {6974#true} is VALID [2020-07-08 22:24:47,392 INFO L280 TraceCheckUtils]: 30: Hoare triple {6974#true} SUMMARY for call #t~malloc9.base, #t~malloc9.offset := #Ultimate.allocOnHeap(8); srcloc: L1001 {6981#(not (= 0 |main_#t~malloc9.base|))} is VALID [2020-07-08 22:24:47,393 INFO L280 TraceCheckUtils]: 31: Hoare triple {6981#(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 {6982#(not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))} is VALID [2020-07-08 22:24:47,394 INFO L280 TraceCheckUtils]: 32: Hoare triple {6982#(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 {6983#(not (= 0 |main_#t~mem10.base|))} is VALID [2020-07-08 22:24:47,395 INFO L280 TraceCheckUtils]: 33: Hoare triple {6983#(not (= 0 |main_#t~mem10.base|))} ~end~0.base, ~end~0.offset := #t~mem10.base, #t~mem10.offset; {6984#(not (= 0 main_~end~0.base))} is VALID [2020-07-08 22:24:47,395 INFO L280 TraceCheckUtils]: 34: Hoare triple {6984#(not (= 0 main_~end~0.base))} havoc #t~mem10.base, #t~mem10.offset; {6984#(not (= 0 main_~end~0.base))} is VALID [2020-07-08 22:24:47,396 INFO L280 TraceCheckUtils]: 35: Hoare triple {6984#(not (= 0 main_~end~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~end~0.base, ~end~0.offset, 4); srcloc: L1003 {6984#(not (= 0 main_~end~0.base))} is VALID [2020-07-08 22:24:47,397 INFO L280 TraceCheckUtils]: 36: Hoare triple {6984#(not (= 0 main_~end~0.base))} assume !(0 != ~end~0.base || 0 != ~end~0.offset); {6975#false} is VALID [2020-07-08 22:24:47,397 INFO L280 TraceCheckUtils]: 37: Hoare triple {6975#false} assume !false; {6975#false} is VALID [2020-07-08 22:24:47,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:24:47,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [688918397] [2020-07-08 22:24:47,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:24:47,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-08 22:24:47,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346629147] [2020-07-08 22:24:47,400 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2020-07-08 22:24:47,400 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:24:47,400 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 22:24:47,456 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:47,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 22:24:47,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:24:47,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 22:24:47,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-08 22:24:47,458 INFO L87 Difference]: Start difference. First operand 161 states and 171 transitions. Second operand 7 states. [2020-07-08 22:24:49,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:49,536 INFO L93 Difference]: Finished difference Result 245 states and 261 transitions. [2020-07-08 22:24:49,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-08 22:24:49,536 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2020-07-08 22:24:49,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:24:49,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 22:24:49,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 256 transitions. [2020-07-08 22:24:49,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 22:24:49,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 256 transitions. [2020-07-08 22:24:49,542 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 256 transitions. [2020-07-08 22:24:49,834 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 256 edges. 256 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:49,840 INFO L225 Difference]: With dead ends: 245 [2020-07-08 22:24:49,840 INFO L226 Difference]: Without dead ends: 241 [2020-07-08 22:24:49,841 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 [2020-07-08 22:24:49,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-07-08 22:24:50,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 157. [2020-07-08 22:24:50,324 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:24:50,325 INFO L82 GeneralOperation]: Start isEquivalent. First operand 241 states. Second operand 157 states. [2020-07-08 22:24:50,325 INFO L74 IsIncluded]: Start isIncluded. First operand 241 states. Second operand 157 states. [2020-07-08 22:24:50,325 INFO L87 Difference]: Start difference. First operand 241 states. Second operand 157 states. [2020-07-08 22:24:50,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:50,336 INFO L93 Difference]: Finished difference Result 241 states and 257 transitions. [2020-07-08 22:24:50,336 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 257 transitions. [2020-07-08 22:24:50,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:24:50,338 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:24:50,338 INFO L74 IsIncluded]: Start isIncluded. First operand 157 states. Second operand 241 states. [2020-07-08 22:24:50,338 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 241 states. [2020-07-08 22:24:50,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:50,349 INFO L93 Difference]: Finished difference Result 241 states and 257 transitions. [2020-07-08 22:24:50,349 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 257 transitions. [2020-07-08 22:24:50,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:24:50,351 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:24:50,351 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:24:50,351 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:24:50,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-07-08 22:24:50,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 167 transitions. [2020-07-08 22:24:50,356 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 167 transitions. Word has length 38 [2020-07-08 22:24:50,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:24:50,357 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 167 transitions. [2020-07-08 22:24:50,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 22:24:50,357 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 157 states and 167 transitions. [2020-07-08 22:24:50,690 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:50,691 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 167 transitions. [2020-07-08 22:24:50,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-07-08 22:24:50,692 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:24:50,692 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] [2020-07-08 22:24:50,692 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-08 22:24:50,692 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]=== [2020-07-08 22:24:50,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:24:50,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1938604912, now seen corresponding path program 1 times [2020-07-08 22:24:50,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:24:50,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [789545807] [2020-07-08 22:24:50,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:24:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:24:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:24:50,816 INFO L280 TraceCheckUtils]: 0: Hoare triple {8295#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {8287#true} is VALID [2020-07-08 22:24:50,816 INFO L280 TraceCheckUtils]: 1: Hoare triple {8287#true} #valid := #valid[0 := 0]; {8287#true} is VALID [2020-07-08 22:24:50,817 INFO L280 TraceCheckUtils]: 2: Hoare triple {8287#true} assume 0 < #StackHeapBarrier; {8287#true} is VALID [2020-07-08 22:24:50,817 INFO L280 TraceCheckUtils]: 3: Hoare triple {8287#true} assume true; {8287#true} is VALID [2020-07-08 22:24:50,817 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {8287#true} {8287#true} #419#return; {8287#true} is VALID [2020-07-08 22:24:50,818 INFO L263 TraceCheckUtils]: 0: Hoare triple {8287#true} call ULTIMATE.init(); {8295#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:24:50,818 INFO L280 TraceCheckUtils]: 1: Hoare triple {8295#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {8287#true} is VALID [2020-07-08 22:24:50,819 INFO L280 TraceCheckUtils]: 2: Hoare triple {8287#true} #valid := #valid[0 := 0]; {8287#true} is VALID [2020-07-08 22:24:50,819 INFO L280 TraceCheckUtils]: 3: Hoare triple {8287#true} assume 0 < #StackHeapBarrier; {8287#true} is VALID [2020-07-08 22:24:50,819 INFO L280 TraceCheckUtils]: 4: Hoare triple {8287#true} assume true; {8287#true} is VALID [2020-07-08 22:24:50,819 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {8287#true} {8287#true} #419#return; {8287#true} is VALID [2020-07-08 22:24:50,819 INFO L263 TraceCheckUtils]: 6: Hoare triple {8287#true} call #t~ret28 := main(); {8287#true} is VALID [2020-07-08 22:24:50,819 INFO L280 TraceCheckUtils]: 7: Hoare triple {8287#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {8287#true} is VALID [2020-07-08 22:24:50,820 INFO L280 TraceCheckUtils]: 8: Hoare triple {8287#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {8287#true} is VALID [2020-07-08 22:24:50,820 INFO L280 TraceCheckUtils]: 9: Hoare triple {8287#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {8287#true} is VALID [2020-07-08 22:24:50,820 INFO L280 TraceCheckUtils]: 10: Hoare triple {8287#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {8287#true} is VALID [2020-07-08 22:24:50,823 INFO L280 TraceCheckUtils]: 11: Hoare triple {8287#true} goto; {8287#true} is VALID [2020-07-08 22:24:50,823 INFO L280 TraceCheckUtils]: 12: Hoare triple {8287#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {8287#true} is VALID [2020-07-08 22:24:50,824 INFO L280 TraceCheckUtils]: 13: Hoare triple {8287#true} assume 0 != #t~nondet1; {8287#true} is VALID [2020-07-08 22:24:50,824 INFO L280 TraceCheckUtils]: 14: Hoare triple {8287#true} havoc #t~nondet1; {8287#true} is VALID [2020-07-08 22:24:50,824 INFO L280 TraceCheckUtils]: 15: Hoare triple {8287#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {8287#true} is VALID [2020-07-08 22:24:50,824 INFO L280 TraceCheckUtils]: 16: Hoare triple {8287#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {8287#true} is VALID [2020-07-08 22:24:50,824 INFO L280 TraceCheckUtils]: 17: Hoare triple {8287#true} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {8287#true} is VALID [2020-07-08 22:24:50,824 INFO L280 TraceCheckUtils]: 18: Hoare triple {8287#true} assume !#t~short7; {8287#true} is VALID [2020-07-08 22:24:50,825 INFO L280 TraceCheckUtils]: 19: Hoare triple {8287#true} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-22 {8287#true} is VALID [2020-07-08 22:24:50,825 INFO L280 TraceCheckUtils]: 20: Hoare triple {8287#true} #t~short7 := #t~mem6.base == 0 && #t~mem6.offset == 0; {8287#true} is VALID [2020-07-08 22:24:50,825 INFO L280 TraceCheckUtils]: 21: Hoare triple {8287#true} assume !!#t~short7; {8287#true} is VALID [2020-07-08 22:24:50,825 INFO L280 TraceCheckUtils]: 22: Hoare triple {8287#true} havoc #t~mem6.base, #t~mem6.offset; {8287#true} is VALID [2020-07-08 22:24:50,827 INFO L280 TraceCheckUtils]: 23: Hoare triple {8287#true} havoc #t~mem5.base, #t~mem5.offset; {8287#true} is VALID [2020-07-08 22:24:50,827 INFO L280 TraceCheckUtils]: 24: Hoare triple {8287#true} havoc #t~short7; {8287#true} is VALID [2020-07-08 22:24:50,827 INFO L280 TraceCheckUtils]: 25: Hoare triple {8287#true} goto; {8287#true} is VALID [2020-07-08 22:24:50,827 INFO L280 TraceCheckUtils]: 26: Hoare triple {8287#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {8287#true} is VALID [2020-07-08 22:24:50,828 INFO L280 TraceCheckUtils]: 27: Hoare triple {8287#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {8287#true} is VALID [2020-07-08 22:24:50,828 INFO L280 TraceCheckUtils]: 28: Hoare triple {8287#true} assume !(0 != #t~nondet8); {8287#true} is VALID [2020-07-08 22:24:50,828 INFO L280 TraceCheckUtils]: 29: Hoare triple {8287#true} havoc #t~nondet8; {8287#true} is VALID [2020-07-08 22:24:50,828 INFO L280 TraceCheckUtils]: 30: Hoare triple {8287#true} ~end~0.base, ~end~0.offset := 0, 0; {8287#true} is VALID [2020-07-08 22:24:50,828 INFO L280 TraceCheckUtils]: 31: Hoare triple {8287#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {8287#true} is VALID [2020-07-08 22:24:50,829 INFO L280 TraceCheckUtils]: 32: Hoare triple {8287#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {8287#true} is VALID [2020-07-08 22:24:50,829 INFO L280 TraceCheckUtils]: 33: Hoare triple {8287#true} goto; {8287#true} is VALID [2020-07-08 22:24:50,829 INFO L280 TraceCheckUtils]: 34: Hoare triple {8287#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {8287#true} is VALID [2020-07-08 22:24:50,830 INFO L280 TraceCheckUtils]: 35: Hoare triple {8287#true} ~len~0 := 0; {8294#(= 0 main_~len~0)} is VALID [2020-07-08 22:24:50,830 INFO L280 TraceCheckUtils]: 36: Hoare triple {8294#(= 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 {8294#(= 0 main_~len~0)} is VALID [2020-07-08 22:24:50,831 INFO L280 TraceCheckUtils]: 37: Hoare triple {8294#(= 0 main_~len~0)} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {8294#(= 0 main_~len~0)} is VALID [2020-07-08 22:24:50,831 INFO L280 TraceCheckUtils]: 38: Hoare triple {8294#(= 0 main_~len~0)} havoc #t~mem18.base, #t~mem18.offset; {8294#(= 0 main_~len~0)} is VALID [2020-07-08 22:24:50,832 INFO L280 TraceCheckUtils]: 39: Hoare triple {8294#(= 0 main_~len~0)} assume !(0 != ~inner~0.base || 0 != ~inner~0.offset); {8294#(= 0 main_~len~0)} is VALID [2020-07-08 22:24:50,832 INFO L280 TraceCheckUtils]: 40: Hoare triple {8294#(= 0 main_~len~0)} assume !(~len~0 <= 1); {8288#false} is VALID [2020-07-08 22:24:50,833 INFO L280 TraceCheckUtils]: 41: Hoare triple {8288#false} assume !false; {8288#false} is VALID [2020-07-08 22:24:50,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:24:50,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [789545807] [2020-07-08 22:24:50,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:24:50,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 22:24:50,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116259643] [2020-07-08 22:24:50,836 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-07-08 22:24:50,836 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:24:50,836 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 22:24:50,881 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:50,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 22:24:50,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:24:50,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 22:24:50,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 22:24:50,883 INFO L87 Difference]: Start difference. First operand 157 states and 167 transitions. Second operand 4 states. [2020-07-08 22:24:52,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:52,025 INFO L93 Difference]: Finished difference Result 267 states and 287 transitions. [2020-07-08 22:24:52,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-08 22:24:52,025 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-07-08 22:24:52,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:24:52,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 22:24:52,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 283 transitions. [2020-07-08 22:24:52,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 22:24:52,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 283 transitions. [2020-07-08 22:24:52,032 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 283 transitions. [2020-07-08 22:24:52,318 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 283 edges. 283 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:52,323 INFO L225 Difference]: With dead ends: 267 [2020-07-08 22:24:52,323 INFO L226 Difference]: Without dead ends: 196 [2020-07-08 22:24:52,324 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 [2020-07-08 22:24:52,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-07-08 22:24:52,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 160. [2020-07-08 22:24:52,789 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:24:52,789 INFO L82 GeneralOperation]: Start isEquivalent. First operand 196 states. Second operand 160 states. [2020-07-08 22:24:52,789 INFO L74 IsIncluded]: Start isIncluded. First operand 196 states. Second operand 160 states. [2020-07-08 22:24:52,789 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 160 states. [2020-07-08 22:24:52,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:52,795 INFO L93 Difference]: Finished difference Result 196 states and 209 transitions. [2020-07-08 22:24:52,795 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 209 transitions. [2020-07-08 22:24:52,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:24:52,796 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:24:52,796 INFO L74 IsIncluded]: Start isIncluded. First operand 160 states. Second operand 196 states. [2020-07-08 22:24:52,796 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 196 states. [2020-07-08 22:24:52,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:52,801 INFO L93 Difference]: Finished difference Result 196 states and 209 transitions. [2020-07-08 22:24:52,801 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 209 transitions. [2020-07-08 22:24:52,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:24:52,802 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:24:52,802 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:24:52,803 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:24:52,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-08 22:24:52,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 171 transitions. [2020-07-08 22:24:52,806 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 171 transitions. Word has length 42 [2020-07-08 22:24:52,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:24:52,807 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 171 transitions. [2020-07-08 22:24:52,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 22:24:52,807 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 160 states and 171 transitions. [2020-07-08 22:24:53,111 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 171 edges. 171 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:53,111 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 171 transitions. [2020-07-08 22:24:53,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-07-08 22:24:53,112 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:24:53,112 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] [2020-07-08 22:24:53,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-08 22:24:53,112 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]=== [2020-07-08 22:24:53,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:24:53,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1017153069, now seen corresponding path program 1 times [2020-07-08 22:24:53,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:24:53,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599190367] [2020-07-08 22:24:53,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:24:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:24:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:24:53,247 INFO L280 TraceCheckUtils]: 0: Hoare triple {9552#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {9544#true} is VALID [2020-07-08 22:24:53,248 INFO L280 TraceCheckUtils]: 1: Hoare triple {9544#true} #valid := #valid[0 := 0]; {9544#true} is VALID [2020-07-08 22:24:53,248 INFO L280 TraceCheckUtils]: 2: Hoare triple {9544#true} assume 0 < #StackHeapBarrier; {9544#true} is VALID [2020-07-08 22:24:53,248 INFO L280 TraceCheckUtils]: 3: Hoare triple {9544#true} assume true; {9544#true} is VALID [2020-07-08 22:24:53,248 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {9544#true} {9544#true} #419#return; {9544#true} is VALID [2020-07-08 22:24:53,249 INFO L263 TraceCheckUtils]: 0: Hoare triple {9544#true} call ULTIMATE.init(); {9552#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:24:53,250 INFO L280 TraceCheckUtils]: 1: Hoare triple {9552#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {9544#true} is VALID [2020-07-08 22:24:53,250 INFO L280 TraceCheckUtils]: 2: Hoare triple {9544#true} #valid := #valid[0 := 0]; {9544#true} is VALID [2020-07-08 22:24:53,250 INFO L280 TraceCheckUtils]: 3: Hoare triple {9544#true} assume 0 < #StackHeapBarrier; {9544#true} is VALID [2020-07-08 22:24:53,251 INFO L280 TraceCheckUtils]: 4: Hoare triple {9544#true} assume true; {9544#true} is VALID [2020-07-08 22:24:53,251 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {9544#true} {9544#true} #419#return; {9544#true} is VALID [2020-07-08 22:24:53,251 INFO L263 TraceCheckUtils]: 6: Hoare triple {9544#true} call #t~ret28 := main(); {9544#true} is VALID [2020-07-08 22:24:53,252 INFO L280 TraceCheckUtils]: 7: Hoare triple {9544#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {9544#true} is VALID [2020-07-08 22:24:53,252 INFO L280 TraceCheckUtils]: 8: Hoare triple {9544#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {9544#true} is VALID [2020-07-08 22:24:53,255 INFO L280 TraceCheckUtils]: 9: Hoare triple {9544#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {9544#true} is VALID [2020-07-08 22:24:53,256 INFO L280 TraceCheckUtils]: 10: Hoare triple {9544#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {9544#true} is VALID [2020-07-08 22:24:53,256 INFO L280 TraceCheckUtils]: 11: Hoare triple {9544#true} goto; {9544#true} is VALID [2020-07-08 22:24:53,256 INFO L280 TraceCheckUtils]: 12: Hoare triple {9544#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {9544#true} is VALID [2020-07-08 22:24:53,256 INFO L280 TraceCheckUtils]: 13: Hoare triple {9544#true} assume 0 != #t~nondet1; {9544#true} is VALID [2020-07-08 22:24:53,256 INFO L280 TraceCheckUtils]: 14: Hoare triple {9544#true} havoc #t~nondet1; {9544#true} is VALID [2020-07-08 22:24:53,257 INFO L280 TraceCheckUtils]: 15: Hoare triple {9544#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {9544#true} is VALID [2020-07-08 22:24:53,257 INFO L280 TraceCheckUtils]: 16: Hoare triple {9544#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {9544#true} is VALID [2020-07-08 22:24:53,257 INFO L280 TraceCheckUtils]: 17: Hoare triple {9544#true} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {9544#true} is VALID [2020-07-08 22:24:53,257 INFO L280 TraceCheckUtils]: 18: Hoare triple {9544#true} assume !#t~short7; {9544#true} is VALID [2020-07-08 22:24:53,257 INFO L280 TraceCheckUtils]: 19: Hoare triple {9544#true} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-22 {9544#true} is VALID [2020-07-08 22:24:53,258 INFO L280 TraceCheckUtils]: 20: Hoare triple {9544#true} #t~short7 := #t~mem6.base == 0 && #t~mem6.offset == 0; {9544#true} is VALID [2020-07-08 22:24:53,258 INFO L280 TraceCheckUtils]: 21: Hoare triple {9544#true} assume !!#t~short7; {9544#true} is VALID [2020-07-08 22:24:53,258 INFO L280 TraceCheckUtils]: 22: Hoare triple {9544#true} havoc #t~mem6.base, #t~mem6.offset; {9544#true} is VALID [2020-07-08 22:24:53,260 INFO L280 TraceCheckUtils]: 23: Hoare triple {9544#true} havoc #t~mem5.base, #t~mem5.offset; {9544#true} is VALID [2020-07-08 22:24:53,260 INFO L280 TraceCheckUtils]: 24: Hoare triple {9544#true} havoc #t~short7; {9544#true} is VALID [2020-07-08 22:24:53,260 INFO L280 TraceCheckUtils]: 25: Hoare triple {9544#true} goto; {9544#true} is VALID [2020-07-08 22:24:53,260 INFO L280 TraceCheckUtils]: 26: Hoare triple {9544#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {9544#true} is VALID [2020-07-08 22:24:53,261 INFO L280 TraceCheckUtils]: 27: Hoare triple {9544#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {9544#true} is VALID [2020-07-08 22:24:53,261 INFO L280 TraceCheckUtils]: 28: Hoare triple {9544#true} assume !(0 != #t~nondet8); {9544#true} is VALID [2020-07-08 22:24:53,261 INFO L280 TraceCheckUtils]: 29: Hoare triple {9544#true} havoc #t~nondet8; {9544#true} is VALID [2020-07-08 22:24:53,261 INFO L280 TraceCheckUtils]: 30: Hoare triple {9544#true} ~end~0.base, ~end~0.offset := 0, 0; {9544#true} is VALID [2020-07-08 22:24:53,261 INFO L280 TraceCheckUtils]: 31: Hoare triple {9544#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {9544#true} is VALID [2020-07-08 22:24:53,262 INFO L280 TraceCheckUtils]: 32: Hoare triple {9544#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {9544#true} is VALID [2020-07-08 22:24:53,262 INFO L280 TraceCheckUtils]: 33: Hoare triple {9544#true} goto; {9544#true} is VALID [2020-07-08 22:24:53,262 INFO L280 TraceCheckUtils]: 34: Hoare triple {9544#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {9544#true} is VALID [2020-07-08 22:24:53,262 INFO L280 TraceCheckUtils]: 35: Hoare triple {9544#true} ~len~0 := 0; {9544#true} is VALID [2020-07-08 22:24:53,262 INFO L280 TraceCheckUtils]: 36: Hoare triple {9544#true} SUMMARY for call #t~mem18.base, #t~mem18.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1017 {9544#true} is VALID [2020-07-08 22:24:53,263 INFO L280 TraceCheckUtils]: 37: Hoare triple {9544#true} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {9544#true} is VALID [2020-07-08 22:24:53,263 INFO L280 TraceCheckUtils]: 38: Hoare triple {9544#true} havoc #t~mem18.base, #t~mem18.offset; {9544#true} is VALID [2020-07-08 22:24:53,264 INFO L280 TraceCheckUtils]: 39: Hoare triple {9544#true} assume !!(0 != ~inner~0.base || 0 != ~inner~0.offset); {9551#(or (not (= 0 main_~inner~0.base)) (not (= 0 main_~inner~0.offset)))} is VALID [2020-07-08 22:24:53,265 INFO L280 TraceCheckUtils]: 40: Hoare triple {9551#(or (not (= 0 main_~inner~0.base)) (not (= 0 main_~inner~0.offset)))} assume 0 == ~len~0; {9551#(or (not (= 0 main_~inner~0.base)) (not (= 0 main_~inner~0.offset)))} is VALID [2020-07-08 22:24:53,266 INFO L280 TraceCheckUtils]: 41: Hoare triple {9551#(or (not (= 0 main_~inner~0.base)) (not (= 0 main_~inner~0.offset)))} ~len~0 := 1; {9551#(or (not (= 0 main_~inner~0.base)) (not (= 0 main_~inner~0.offset)))} is VALID [2020-07-08 22:24:53,267 INFO L280 TraceCheckUtils]: 42: Hoare triple {9551#(or (not (= 0 main_~inner~0.base)) (not (= 0 main_~inner~0.offset)))} assume !(0 != ~inner~0.base || 0 != ~inner~0.offset); {9545#false} is VALID [2020-07-08 22:24:53,267 INFO L280 TraceCheckUtils]: 43: Hoare triple {9545#false} assume !false; {9545#false} is VALID [2020-07-08 22:24:53,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:24:53,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1599190367] [2020-07-08 22:24:53,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:24:53,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 22:24:53,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858565345] [2020-07-08 22:24:53,270 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-07-08 22:24:53,270 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:24:53,270 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 22:24:53,320 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:53,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 22:24:53,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:24:53,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 22:24:53,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 22:24:53,321 INFO L87 Difference]: Start difference. First operand 160 states and 171 transitions. Second operand 4 states. [2020-07-08 22:24:54,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:54,322 INFO L93 Difference]: Finished difference Result 160 states and 171 transitions. [2020-07-08 22:24:54,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-08 22:24:54,323 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-07-08 22:24:54,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:24:54,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 22:24:54,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 163 transitions. [2020-07-08 22:24:54,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 22:24:54,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 163 transitions. [2020-07-08 22:24:54,327 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 163 transitions. [2020-07-08 22:24:54,503 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 163 edges. 163 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:54,506 INFO L225 Difference]: With dead ends: 160 [2020-07-08 22:24:54,507 INFO L226 Difference]: Without dead ends: 158 [2020-07-08 22:24:54,507 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 [2020-07-08 22:24:54,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-08 22:24:55,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-07-08 22:24:55,016 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:24:55,016 INFO L82 GeneralOperation]: Start isEquivalent. First operand 158 states. Second operand 158 states. [2020-07-08 22:24:55,017 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 158 states. [2020-07-08 22:24:55,017 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 158 states. [2020-07-08 22:24:55,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:55,022 INFO L93 Difference]: Finished difference Result 158 states and 169 transitions. [2020-07-08 22:24:55,022 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 169 transitions. [2020-07-08 22:24:55,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:24:55,023 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:24:55,023 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 158 states. [2020-07-08 22:24:55,023 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 158 states. [2020-07-08 22:24:55,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:55,029 INFO L93 Difference]: Finished difference Result 158 states and 169 transitions. [2020-07-08 22:24:55,029 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 169 transitions. [2020-07-08 22:24:55,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:24:55,030 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:24:55,031 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:24:55,031 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:24:55,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-07-08 22:24:55,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 169 transitions. [2020-07-08 22:24:55,036 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 169 transitions. Word has length 44 [2020-07-08 22:24:55,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:24:55,036 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 169 transitions. [2020-07-08 22:24:55,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 22:24:55,037 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 158 states and 169 transitions. [2020-07-08 22:24:55,354 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 169 edges. 169 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:55,355 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 169 transitions. [2020-07-08 22:24:55,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-07-08 22:24:55,355 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:24:55,356 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] [2020-07-08 22:24:55,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-08 22:24:55,356 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]=== [2020-07-08 22:24:55,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:24:55,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1203451366, now seen corresponding path program 1 times [2020-07-08 22:24:55,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:24:55,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1072757779] [2020-07-08 22:24:55,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:24:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:24:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:24:55,745 INFO L280 TraceCheckUtils]: 0: Hoare triple {10522#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {10507#true} is VALID [2020-07-08 22:24:55,746 INFO L280 TraceCheckUtils]: 1: Hoare triple {10507#true} #valid := #valid[0 := 0]; {10507#true} is VALID [2020-07-08 22:24:55,746 INFO L280 TraceCheckUtils]: 2: Hoare triple {10507#true} assume 0 < #StackHeapBarrier; {10507#true} is VALID [2020-07-08 22:24:55,746 INFO L280 TraceCheckUtils]: 3: Hoare triple {10507#true} assume true; {10507#true} is VALID [2020-07-08 22:24:55,746 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {10507#true} {10507#true} #419#return; {10507#true} is VALID [2020-07-08 22:24:55,747 INFO L263 TraceCheckUtils]: 0: Hoare triple {10507#true} call ULTIMATE.init(); {10522#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:24:55,748 INFO L280 TraceCheckUtils]: 1: Hoare triple {10522#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {10507#true} is VALID [2020-07-08 22:24:55,748 INFO L280 TraceCheckUtils]: 2: Hoare triple {10507#true} #valid := #valid[0 := 0]; {10507#true} is VALID [2020-07-08 22:24:55,748 INFO L280 TraceCheckUtils]: 3: Hoare triple {10507#true} assume 0 < #StackHeapBarrier; {10507#true} is VALID [2020-07-08 22:24:55,748 INFO L280 TraceCheckUtils]: 4: Hoare triple {10507#true} assume true; {10507#true} is VALID [2020-07-08 22:24:55,748 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {10507#true} {10507#true} #419#return; {10507#true} is VALID [2020-07-08 22:24:55,749 INFO L263 TraceCheckUtils]: 6: Hoare triple {10507#true} call #t~ret28 := main(); {10507#true} is VALID [2020-07-08 22:24:55,752 INFO L280 TraceCheckUtils]: 7: Hoare triple {10507#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {10514#(= 0 |main_#t~malloc0.offset|)} is VALID [2020-07-08 22:24:55,753 INFO L280 TraceCheckUtils]: 8: Hoare triple {10514#(= 0 |main_#t~malloc0.offset|)} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {10515#(= 0 main_~list~0.offset)} is VALID [2020-07-08 22:24:55,754 INFO L280 TraceCheckUtils]: 9: Hoare triple {10515#(= 0 main_~list~0.offset)} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {10515#(= 0 main_~list~0.offset)} is VALID [2020-07-08 22:24:55,759 INFO L280 TraceCheckUtils]: 10: Hoare triple {10515#(= 0 main_~list~0.offset)} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {10515#(= 0 main_~list~0.offset)} is VALID [2020-07-08 22:24:55,759 INFO L280 TraceCheckUtils]: 11: Hoare triple {10515#(= 0 main_~list~0.offset)} goto; {10515#(= 0 main_~list~0.offset)} is VALID [2020-07-08 22:24:55,760 INFO L280 TraceCheckUtils]: 12: Hoare triple {10515#(= 0 main_~list~0.offset)} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {10515#(= 0 main_~list~0.offset)} is VALID [2020-07-08 22:24:55,761 INFO L280 TraceCheckUtils]: 13: Hoare triple {10515#(= 0 main_~list~0.offset)} assume 0 != #t~nondet1; {10515#(= 0 main_~list~0.offset)} is VALID [2020-07-08 22:24:55,762 INFO L280 TraceCheckUtils]: 14: Hoare triple {10515#(= 0 main_~list~0.offset)} havoc #t~nondet1; {10515#(= 0 main_~list~0.offset)} is VALID [2020-07-08 22:24:55,762 INFO L280 TraceCheckUtils]: 15: Hoare triple {10515#(= 0 main_~list~0.offset)} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {10515#(= 0 main_~list~0.offset)} is VALID [2020-07-08 22:24:55,763 INFO L280 TraceCheckUtils]: 16: Hoare triple {10515#(= 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 {10516#(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 [2020-07-08 22:24:55,765 INFO L280 TraceCheckUtils]: 17: Hoare triple {10516#(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; {10517#(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 [2020-07-08 22:24:55,766 INFO L280 TraceCheckUtils]: 18: Hoare triple {10517#(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; {10518#(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 [2020-07-08 22:24:55,767 INFO L280 TraceCheckUtils]: 19: Hoare triple {10518#(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 {10518#(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 [2020-07-08 22:24:55,768 INFO L280 TraceCheckUtils]: 20: Hoare triple {10518#(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; {10518#(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 [2020-07-08 22:24:55,769 INFO L280 TraceCheckUtils]: 21: Hoare triple {10518#(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; {10518#(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 [2020-07-08 22:24:55,770 INFO L280 TraceCheckUtils]: 22: Hoare triple {10518#(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; {10518#(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 [2020-07-08 22:24:55,771 INFO L280 TraceCheckUtils]: 23: Hoare triple {10518#(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; {10518#(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 [2020-07-08 22:24:55,771 INFO L280 TraceCheckUtils]: 24: Hoare triple {10518#(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; {10518#(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 [2020-07-08 22:24:55,772 INFO L280 TraceCheckUtils]: 25: Hoare triple {10518#(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; {10518#(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 [2020-07-08 22:24:55,773 INFO L280 TraceCheckUtils]: 26: Hoare triple {10518#(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; {10518#(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 [2020-07-08 22:24:55,774 INFO L280 TraceCheckUtils]: 27: Hoare triple {10518#(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; {10518#(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 [2020-07-08 22:24:55,775 INFO L280 TraceCheckUtils]: 28: Hoare triple {10518#(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); {10518#(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 [2020-07-08 22:24:55,776 INFO L280 TraceCheckUtils]: 29: Hoare triple {10518#(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; {10518#(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 [2020-07-08 22:24:55,777 INFO L280 TraceCheckUtils]: 30: Hoare triple {10518#(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; {10518#(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 [2020-07-08 22:24:55,778 INFO L280 TraceCheckUtils]: 31: Hoare triple {10518#(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; {10519#(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 [2020-07-08 22:24:55,779 INFO L280 TraceCheckUtils]: 32: Hoare triple {10519#(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); {10519#(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 [2020-07-08 22:24:55,779 INFO L280 TraceCheckUtils]: 33: Hoare triple {10519#(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; {10519#(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 [2020-07-08 22:24:55,780 INFO L280 TraceCheckUtils]: 34: Hoare triple {10519#(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); {10519#(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 [2020-07-08 22:24:55,781 INFO L280 TraceCheckUtils]: 35: Hoare triple {10519#(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; {10519#(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 [2020-07-08 22:24:55,782 INFO L280 TraceCheckUtils]: 36: Hoare triple {10519#(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 {10520#(and (= 0 |main_#t~mem18.offset|) (= 0 |main_#t~mem18.base|))} is VALID [2020-07-08 22:24:55,783 INFO L280 TraceCheckUtils]: 37: Hoare triple {10520#(and (= 0 |main_#t~mem18.offset|) (= 0 |main_#t~mem18.base|))} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {10521#(and (= 0 main_~inner~0.base) (= 0 main_~inner~0.offset))} is VALID [2020-07-08 22:24:55,784 INFO L280 TraceCheckUtils]: 38: Hoare triple {10521#(and (= 0 main_~inner~0.base) (= 0 main_~inner~0.offset))} havoc #t~mem18.base, #t~mem18.offset; {10521#(and (= 0 main_~inner~0.base) (= 0 main_~inner~0.offset))} is VALID [2020-07-08 22:24:55,784 INFO L280 TraceCheckUtils]: 39: Hoare triple {10521#(and (= 0 main_~inner~0.base) (= 0 main_~inner~0.offset))} assume !!(0 != ~inner~0.base || 0 != ~inner~0.offset); {10508#false} is VALID [2020-07-08 22:24:55,785 INFO L280 TraceCheckUtils]: 40: Hoare triple {10508#false} assume 0 == ~len~0; {10508#false} is VALID [2020-07-08 22:24:55,785 INFO L280 TraceCheckUtils]: 41: Hoare triple {10508#false} ~len~0 := 1; {10508#false} is VALID [2020-07-08 22:24:55,785 INFO L280 TraceCheckUtils]: 42: Hoare triple {10508#false} assume !!(0 != ~inner~0.base || 0 != ~inner~0.offset); {10508#false} is VALID [2020-07-08 22:24:55,785 INFO L280 TraceCheckUtils]: 43: Hoare triple {10508#false} goto; {10508#false} is VALID [2020-07-08 22:24:55,786 INFO L280 TraceCheckUtils]: 44: Hoare triple {10508#false} SUMMARY for call #t~mem19.base, #t~mem19.offset := read~$Pointer$(~inner~0.base, 4 + ~inner~0.offset, 4); srcloc: L1025-6 {10508#false} is VALID [2020-07-08 22:24:55,786 INFO L280 TraceCheckUtils]: 45: Hoare triple {10508#false} assume !(0 == #t~mem19.base && 0 == #t~mem19.offset); {10508#false} is VALID [2020-07-08 22:24:55,786 INFO L280 TraceCheckUtils]: 46: Hoare triple {10508#false} havoc #t~mem19.base, #t~mem19.offset; {10508#false} is VALID [2020-07-08 22:24:55,786 INFO L280 TraceCheckUtils]: 47: Hoare triple {10508#false} assume !false; {10508#false} is VALID [2020-07-08 22:24:55,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:24:55,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1072757779] [2020-07-08 22:24:55,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:24:55,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-08 22:24:55,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950898226] [2020-07-08 22:24:55,804 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 48 [2020-07-08 22:24:55,804 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:24:55,805 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-08 22:24:55,868 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:24:55,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-08 22:24:55,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:24:55,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-08 22:24:55,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-07-08 22:24:55,869 INFO L87 Difference]: Start difference. First operand 158 states and 169 transitions. Second operand 11 states. [2020-07-08 22:24:59,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:24:59,916 INFO L93 Difference]: Finished difference Result 398 states and 427 transitions. [2020-07-08 22:24:59,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-08 22:24:59,916 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 48 [2020-07-08 22:24:59,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:24:59,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-08 22:24:59,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 415 transitions. [2020-07-08 22:24:59,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-08 22:24:59,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 415 transitions. [2020-07-08 22:24:59,928 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 415 transitions. [2020-07-08 22:25:00,441 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 415 edges. 415 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:00,453 INFO L225 Difference]: With dead ends: 398 [2020-07-08 22:25:00,454 INFO L226 Difference]: Without dead ends: 326 [2020-07-08 22:25:00,455 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2020-07-08 22:25:00,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-07-08 22:25:01,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 204. [2020-07-08 22:25:01,302 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:25:01,302 INFO L82 GeneralOperation]: Start isEquivalent. First operand 326 states. Second operand 204 states. [2020-07-08 22:25:01,302 INFO L74 IsIncluded]: Start isIncluded. First operand 326 states. Second operand 204 states. [2020-07-08 22:25:01,302 INFO L87 Difference]: Start difference. First operand 326 states. Second operand 204 states. [2020-07-08 22:25:01,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:01,313 INFO L93 Difference]: Finished difference Result 326 states and 348 transitions. [2020-07-08 22:25:01,313 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 348 transitions. [2020-07-08 22:25:01,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:25:01,315 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:25:01,315 INFO L74 IsIncluded]: Start isIncluded. First operand 204 states. Second operand 326 states. [2020-07-08 22:25:01,315 INFO L87 Difference]: Start difference. First operand 204 states. Second operand 326 states. [2020-07-08 22:25:01,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:01,323 INFO L93 Difference]: Finished difference Result 326 states and 348 transitions. [2020-07-08 22:25:01,324 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 348 transitions. [2020-07-08 22:25:01,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:25:01,325 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:25:01,325 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:25:01,325 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:25:01,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-07-08 22:25:01,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 220 transitions. [2020-07-08 22:25:01,329 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 220 transitions. Word has length 48 [2020-07-08 22:25:01,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:25:01,330 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 220 transitions. [2020-07-08 22:25:01,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-08 22:25:01,330 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 204 states and 220 transitions. [2020-07-08 22:25:01,807 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 220 edges. 220 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:01,808 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 220 transitions. [2020-07-08 22:25:01,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-08 22:25:01,809 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:25:01,809 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] [2020-07-08 22:25:01,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-08 22:25:01,810 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]=== [2020-07-08 22:25:01,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:25:01,810 INFO L82 PathProgramCache]: Analyzing trace with hash 2069783995, now seen corresponding path program 1 times [2020-07-08 22:25:01,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:25:01,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [176522418] [2020-07-08 22:25:01,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:25:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:01,870 INFO L280 TraceCheckUtils]: 0: Hoare triple {12415#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {12407#true} is VALID [2020-07-08 22:25:01,871 INFO L280 TraceCheckUtils]: 1: Hoare triple {12407#true} #valid := #valid[0 := 0]; {12407#true} is VALID [2020-07-08 22:25:01,871 INFO L280 TraceCheckUtils]: 2: Hoare triple {12407#true} assume 0 < #StackHeapBarrier; {12407#true} is VALID [2020-07-08 22:25:01,871 INFO L280 TraceCheckUtils]: 3: Hoare triple {12407#true} assume true; {12407#true} is VALID [2020-07-08 22:25:01,872 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {12407#true} {12407#true} #419#return; {12407#true} is VALID [2020-07-08 22:25:01,873 INFO L263 TraceCheckUtils]: 0: Hoare triple {12407#true} call ULTIMATE.init(); {12415#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:25:01,873 INFO L280 TraceCheckUtils]: 1: Hoare triple {12415#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {12407#true} is VALID [2020-07-08 22:25:01,873 INFO L280 TraceCheckUtils]: 2: Hoare triple {12407#true} #valid := #valid[0 := 0]; {12407#true} is VALID [2020-07-08 22:25:01,873 INFO L280 TraceCheckUtils]: 3: Hoare triple {12407#true} assume 0 < #StackHeapBarrier; {12407#true} is VALID [2020-07-08 22:25:01,874 INFO L280 TraceCheckUtils]: 4: Hoare triple {12407#true} assume true; {12407#true} is VALID [2020-07-08 22:25:01,874 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {12407#true} {12407#true} #419#return; {12407#true} is VALID [2020-07-08 22:25:01,874 INFO L263 TraceCheckUtils]: 6: Hoare triple {12407#true} call #t~ret28 := main(); {12407#true} is VALID [2020-07-08 22:25:01,874 INFO L280 TraceCheckUtils]: 7: Hoare triple {12407#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {12407#true} is VALID [2020-07-08 22:25:01,875 INFO L280 TraceCheckUtils]: 8: Hoare triple {12407#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {12407#true} is VALID [2020-07-08 22:25:01,875 INFO L280 TraceCheckUtils]: 9: Hoare triple {12407#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {12407#true} is VALID [2020-07-08 22:25:01,875 INFO L280 TraceCheckUtils]: 10: Hoare triple {12407#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {12407#true} is VALID [2020-07-08 22:25:01,875 INFO L280 TraceCheckUtils]: 11: Hoare triple {12407#true} goto; {12407#true} is VALID [2020-07-08 22:25:01,876 INFO L280 TraceCheckUtils]: 12: Hoare triple {12407#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {12407#true} is VALID [2020-07-08 22:25:01,876 INFO L280 TraceCheckUtils]: 13: Hoare triple {12407#true} assume 0 != #t~nondet1; {12407#true} is VALID [2020-07-08 22:25:01,876 INFO L280 TraceCheckUtils]: 14: Hoare triple {12407#true} havoc #t~nondet1; {12407#true} is VALID [2020-07-08 22:25:01,876 INFO L280 TraceCheckUtils]: 15: Hoare triple {12407#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {12407#true} is VALID [2020-07-08 22:25:01,877 INFO L280 TraceCheckUtils]: 16: Hoare triple {12407#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {12407#true} is VALID [2020-07-08 22:25:01,877 INFO L280 TraceCheckUtils]: 17: Hoare triple {12407#true} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {12407#true} is VALID [2020-07-08 22:25:01,877 INFO L280 TraceCheckUtils]: 18: Hoare triple {12407#true} assume !#t~short7; {12407#true} is VALID [2020-07-08 22:25:01,877 INFO L280 TraceCheckUtils]: 19: Hoare triple {12407#true} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-22 {12407#true} is VALID [2020-07-08 22:25:01,878 INFO L280 TraceCheckUtils]: 20: Hoare triple {12407#true} #t~short7 := #t~mem6.base == 0 && #t~mem6.offset == 0; {12407#true} is VALID [2020-07-08 22:25:01,878 INFO L280 TraceCheckUtils]: 21: Hoare triple {12407#true} assume !!#t~short7; {12407#true} is VALID [2020-07-08 22:25:01,878 INFO L280 TraceCheckUtils]: 22: Hoare triple {12407#true} havoc #t~mem6.base, #t~mem6.offset; {12407#true} is VALID [2020-07-08 22:25:01,879 INFO L280 TraceCheckUtils]: 23: Hoare triple {12407#true} havoc #t~mem5.base, #t~mem5.offset; {12407#true} is VALID [2020-07-08 22:25:01,879 INFO L280 TraceCheckUtils]: 24: Hoare triple {12407#true} havoc #t~short7; {12407#true} is VALID [2020-07-08 22:25:01,879 INFO L280 TraceCheckUtils]: 25: Hoare triple {12407#true} goto; {12407#true} is VALID [2020-07-08 22:25:01,879 INFO L280 TraceCheckUtils]: 26: Hoare triple {12407#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {12407#true} is VALID [2020-07-08 22:25:01,879 INFO L280 TraceCheckUtils]: 27: Hoare triple {12407#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {12407#true} is VALID [2020-07-08 22:25:01,880 INFO L280 TraceCheckUtils]: 28: Hoare triple {12407#true} assume !!(0 != #t~nondet8); {12407#true} is VALID [2020-07-08 22:25:01,880 INFO L280 TraceCheckUtils]: 29: Hoare triple {12407#true} havoc #t~nondet8; {12407#true} is VALID [2020-07-08 22:25:01,880 INFO L280 TraceCheckUtils]: 30: Hoare triple {12407#true} SUMMARY for call #t~malloc9.base, #t~malloc9.offset := #Ultimate.allocOnHeap(8); srcloc: L1001 {12407#true} is VALID [2020-07-08 22:25:01,880 INFO L280 TraceCheckUtils]: 31: Hoare triple {12407#true} SUMMARY for call write~$Pointer$(#t~malloc9.base, #t~malloc9.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1001-1 {12407#true} is VALID [2020-07-08 22:25:01,881 INFO L280 TraceCheckUtils]: 32: Hoare triple {12407#true} SUMMARY for call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1001-2 {12407#true} is VALID [2020-07-08 22:25:01,881 INFO L280 TraceCheckUtils]: 33: Hoare triple {12407#true} ~end~0.base, ~end~0.offset := #t~mem10.base, #t~mem10.offset; {12407#true} is VALID [2020-07-08 22:25:01,881 INFO L280 TraceCheckUtils]: 34: Hoare triple {12407#true} havoc #t~mem10.base, #t~mem10.offset; {12407#true} is VALID [2020-07-08 22:25:01,882 INFO L280 TraceCheckUtils]: 35: Hoare triple {12407#true} SUMMARY for call write~$Pointer$(0, 0, ~end~0.base, ~end~0.offset, 4); srcloc: L1003 {12407#true} is VALID [2020-07-08 22:25:01,882 INFO L280 TraceCheckUtils]: 36: Hoare triple {12407#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {12407#true} is VALID [2020-07-08 22:25:01,882 INFO L280 TraceCheckUtils]: 37: Hoare triple {12407#true} goto; {12407#true} is VALID [2020-07-08 22:25:01,882 INFO L280 TraceCheckUtils]: 38: Hoare triple {12407#true} assume !!(~end~0.base != 0 || ~end~0.offset != 0); {12407#true} is VALID [2020-07-08 22:25:01,883 INFO L280 TraceCheckUtils]: 39: Hoare triple {12407#true} goto; {12407#true} is VALID [2020-07-08 22:25:01,883 INFO L280 TraceCheckUtils]: 40: Hoare triple {12407#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {12407#true} is VALID [2020-07-08 22:25:01,883 INFO L280 TraceCheckUtils]: 41: Hoare triple {12407#true} assume 0 != #t~nondet11; {12407#true} is VALID [2020-07-08 22:25:01,884 INFO L280 TraceCheckUtils]: 42: Hoare triple {12407#true} havoc #t~nondet11; {12407#true} is VALID [2020-07-08 22:25:01,884 INFO L280 TraceCheckUtils]: 43: Hoare triple {12407#true} SUMMARY for call write~$Pointer$(0, 0, ~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1005-7 {12407#true} is VALID [2020-07-08 22:25:01,884 INFO L280 TraceCheckUtils]: 44: Hoare triple {12407#true} SUMMARY for call #t~mem15.base, #t~mem15.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1005-34 {12407#true} is VALID [2020-07-08 22:25:01,884 INFO L280 TraceCheckUtils]: 45: Hoare triple {12407#true} #t~short17 := #t~mem15.base != 0 || #t~mem15.offset != 0; {12407#true} is VALID [2020-07-08 22:25:01,888 INFO L280 TraceCheckUtils]: 46: Hoare triple {12407#true} assume #t~short17; {12414#|main_#t~short17|} is VALID [2020-07-08 22:25:01,888 INFO L280 TraceCheckUtils]: 47: Hoare triple {12414#|main_#t~short17|} assume !#t~short17; {12408#false} is VALID [2020-07-08 22:25:01,888 INFO L280 TraceCheckUtils]: 48: Hoare triple {12408#false} havoc #t~mem15.base, #t~mem15.offset; {12408#false} is VALID [2020-07-08 22:25:01,889 INFO L280 TraceCheckUtils]: 49: Hoare triple {12408#false} havoc #t~mem16.base, #t~mem16.offset; {12408#false} is VALID [2020-07-08 22:25:01,889 INFO L280 TraceCheckUtils]: 50: Hoare triple {12408#false} havoc #t~short17; {12408#false} is VALID [2020-07-08 22:25:01,889 INFO L280 TraceCheckUtils]: 51: Hoare triple {12408#false} assume !false; {12408#false} is VALID [2020-07-08 22:25:01,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:25:01,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [176522418] [2020-07-08 22:25:01,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:25:01,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 22:25:01,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441852119] [2020-07-08 22:25:01,894 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-07-08 22:25:01,894 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:25:01,894 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 22:25:01,951 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:01,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 22:25:01,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:25:01,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 22:25:01,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 22:25:01,953 INFO L87 Difference]: Start difference. First operand 204 states and 220 transitions. Second operand 4 states. [2020-07-08 22:25:03,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:03,239 INFO L93 Difference]: Finished difference Result 211 states and 228 transitions. [2020-07-08 22:25:03,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-08 22:25:03,239 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-07-08 22:25:03,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:25:03,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 22:25:03,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 167 transitions. [2020-07-08 22:25:03,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 22:25:03,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 167 transitions. [2020-07-08 22:25:03,243 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 167 transitions. [2020-07-08 22:25:03,400 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:03,405 INFO L225 Difference]: With dead ends: 211 [2020-07-08 22:25:03,405 INFO L226 Difference]: Without dead ends: 206 [2020-07-08 22:25:03,406 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 [2020-07-08 22:25:03,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-07-08 22:25:04,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2020-07-08 22:25:04,230 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:25:04,230 INFO L82 GeneralOperation]: Start isEquivalent. First operand 206 states. Second operand 206 states. [2020-07-08 22:25:04,230 INFO L74 IsIncluded]: Start isIncluded. First operand 206 states. Second operand 206 states. [2020-07-08 22:25:04,230 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 206 states. [2020-07-08 22:25:04,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:04,235 INFO L93 Difference]: Finished difference Result 206 states and 222 transitions. [2020-07-08 22:25:04,236 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 222 transitions. [2020-07-08 22:25:04,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:25:04,236 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:25:04,237 INFO L74 IsIncluded]: Start isIncluded. First operand 206 states. Second operand 206 states. [2020-07-08 22:25:04,237 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 206 states. [2020-07-08 22:25:04,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:04,241 INFO L93 Difference]: Finished difference Result 206 states and 222 transitions. [2020-07-08 22:25:04,241 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 222 transitions. [2020-07-08 22:25:04,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:25:04,242 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:25:04,242 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:25:04,242 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:25:04,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-07-08 22:25:04,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 222 transitions. [2020-07-08 22:25:04,247 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 222 transitions. Word has length 52 [2020-07-08 22:25:04,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:25:04,247 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 222 transitions. [2020-07-08 22:25:04,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 22:25:04,247 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 206 states and 222 transitions. [2020-07-08 22:25:04,749 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 222 edges. 222 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:04,750 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 222 transitions. [2020-07-08 22:25:04,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-08 22:25:04,751 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:25:04,751 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] [2020-07-08 22:25:04,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-08 22:25:04,752 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]=== [2020-07-08 22:25:04,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:25:04,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1565892499, now seen corresponding path program 1 times [2020-07-08 22:25:04,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:25:04,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1659117253] [2020-07-08 22:25:04,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:25:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:05,310 INFO L280 TraceCheckUtils]: 0: Hoare triple {13682#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {13664#true} is VALID [2020-07-08 22:25:05,310 INFO L280 TraceCheckUtils]: 1: Hoare triple {13664#true} #valid := #valid[0 := 0]; {13664#true} is VALID [2020-07-08 22:25:05,310 INFO L280 TraceCheckUtils]: 2: Hoare triple {13664#true} assume 0 < #StackHeapBarrier; {13664#true} is VALID [2020-07-08 22:25:05,310 INFO L280 TraceCheckUtils]: 3: Hoare triple {13664#true} assume true; {13664#true} is VALID [2020-07-08 22:25:05,311 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {13664#true} {13664#true} #419#return; {13664#true} is VALID [2020-07-08 22:25:05,312 INFO L263 TraceCheckUtils]: 0: Hoare triple {13664#true} call ULTIMATE.init(); {13682#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:25:05,312 INFO L280 TraceCheckUtils]: 1: Hoare triple {13682#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {13664#true} is VALID [2020-07-08 22:25:05,312 INFO L280 TraceCheckUtils]: 2: Hoare triple {13664#true} #valid := #valid[0 := 0]; {13664#true} is VALID [2020-07-08 22:25:05,313 INFO L280 TraceCheckUtils]: 3: Hoare triple {13664#true} assume 0 < #StackHeapBarrier; {13664#true} is VALID [2020-07-08 22:25:05,313 INFO L280 TraceCheckUtils]: 4: Hoare triple {13664#true} assume true; {13664#true} is VALID [2020-07-08 22:25:05,313 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {13664#true} {13664#true} #419#return; {13664#true} is VALID [2020-07-08 22:25:05,313 INFO L263 TraceCheckUtils]: 6: Hoare triple {13664#true} call #t~ret28 := main(); {13664#true} is VALID [2020-07-08 22:25:05,315 INFO L280 TraceCheckUtils]: 7: Hoare triple {13664#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {13671#(and (= 1 (select |#valid| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|))} is VALID [2020-07-08 22:25:05,316 INFO L280 TraceCheckUtils]: 8: Hoare triple {13671#(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; {13672#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-08 22:25:05,317 INFO L280 TraceCheckUtils]: 9: Hoare triple {13672#(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 {13672#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-08 22:25:05,318 INFO L280 TraceCheckUtils]: 10: Hoare triple {13672#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {13672#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-08 22:25:05,319 INFO L280 TraceCheckUtils]: 11: Hoare triple {13672#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} goto; {13672#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-08 22:25:05,320 INFO L280 TraceCheckUtils]: 12: Hoare triple {13672#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {13672#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-08 22:25:05,321 INFO L280 TraceCheckUtils]: 13: Hoare triple {13672#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} assume !(0 != #t~nondet1); {13672#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-08 22:25:05,322 INFO L280 TraceCheckUtils]: 14: Hoare triple {13672#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} havoc #t~nondet1; {13672#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)))} is VALID [2020-07-08 22:25:05,323 INFO L280 TraceCheckUtils]: 15: Hoare triple {13672#(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 {13673#(and (= 0 |main_#t~malloc2.offset|) (= 0 main_~list~0.offset) (not (= |main_#t~malloc2.base| main_~list~0.base)))} is VALID [2020-07-08 22:25:05,324 INFO L280 TraceCheckUtils]: 16: Hoare triple {13673#(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 {13674#(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 [2020-07-08 22:25:05,325 INFO L280 TraceCheckUtils]: 17: Hoare triple {13674#(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 {13675#(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 [2020-07-08 22:25:05,327 INFO L280 TraceCheckUtils]: 18: Hoare triple {13675#(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 {13674#(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 [2020-07-08 22:25:05,328 INFO L280 TraceCheckUtils]: 19: Hoare triple {13674#(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; {13674#(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 [2020-07-08 22:25:05,329 INFO L280 TraceCheckUtils]: 20: Hoare triple {13674#(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 {13676#(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 [2020-07-08 22:25:05,330 INFO L280 TraceCheckUtils]: 21: Hoare triple {13676#(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 {13677#(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 [2020-07-08 22:25:05,331 INFO L280 TraceCheckUtils]: 22: Hoare triple {13677#(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; {13677#(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 [2020-07-08 22:25:05,332 INFO L280 TraceCheckUtils]: 23: Hoare triple {13677#(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 {13677#(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 [2020-07-08 22:25:05,333 INFO L280 TraceCheckUtils]: 24: Hoare triple {13677#(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; {13677#(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 [2020-07-08 22:25:05,335 INFO L280 TraceCheckUtils]: 25: Hoare triple {13677#(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; {13677#(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 [2020-07-08 22:25:05,336 INFO L280 TraceCheckUtils]: 26: Hoare triple {13677#(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; {13677#(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 [2020-07-08 22:25:05,337 INFO L280 TraceCheckUtils]: 27: Hoare triple {13677#(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; {13677#(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 [2020-07-08 22:25:05,338 INFO L280 TraceCheckUtils]: 28: Hoare triple {13677#(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; {13677#(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 [2020-07-08 22:25:05,339 INFO L280 TraceCheckUtils]: 29: Hoare triple {13677#(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; {13677#(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 [2020-07-08 22:25:05,340 INFO L280 TraceCheckUtils]: 30: Hoare triple {13677#(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; {13677#(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 [2020-07-08 22:25:05,341 INFO L280 TraceCheckUtils]: 31: Hoare triple {13677#(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; {13677#(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 [2020-07-08 22:25:05,342 INFO L280 TraceCheckUtils]: 32: Hoare triple {13677#(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; {13677#(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 [2020-07-08 22:25:05,343 INFO L280 TraceCheckUtils]: 33: Hoare triple {13677#(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); {13677#(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 [2020-07-08 22:25:05,344 INFO L280 TraceCheckUtils]: 34: Hoare triple {13677#(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; {13677#(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 [2020-07-08 22:25:05,345 INFO L280 TraceCheckUtils]: 35: Hoare triple {13677#(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; {13677#(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 [2020-07-08 22:25:05,346 INFO L280 TraceCheckUtils]: 36: Hoare triple {13677#(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; {13678#(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 [2020-07-08 22:25:05,347 INFO L280 TraceCheckUtils]: 37: Hoare triple {13678#(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); {13678#(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 [2020-07-08 22:25:05,348 INFO L280 TraceCheckUtils]: 38: Hoare triple {13678#(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; {13678#(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 [2020-07-08 22:25:05,349 INFO L280 TraceCheckUtils]: 39: Hoare triple {13678#(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); {13678#(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 [2020-07-08 22:25:05,350 INFO L280 TraceCheckUtils]: 40: Hoare triple {13678#(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; {13678#(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 [2020-07-08 22:25:05,351 INFO L280 TraceCheckUtils]: 41: Hoare triple {13678#(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 {13679#(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 [2020-07-08 22:25:05,352 INFO L280 TraceCheckUtils]: 42: Hoare triple {13679#(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; {13680#(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 [2020-07-08 22:25:05,352 INFO L280 TraceCheckUtils]: 43: Hoare triple {13680#(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; {13680#(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 [2020-07-08 22:25:05,353 INFO L280 TraceCheckUtils]: 44: Hoare triple {13680#(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); {13680#(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 [2020-07-08 22:25:05,354 INFO L280 TraceCheckUtils]: 45: Hoare triple {13680#(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; {13680#(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 [2020-07-08 22:25:05,355 INFO L280 TraceCheckUtils]: 46: Hoare triple {13680#(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; {13680#(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 [2020-07-08 22:25:05,355 INFO L280 TraceCheckUtils]: 47: Hoare triple {13680#(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); {13680#(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 [2020-07-08 22:25:05,356 INFO L280 TraceCheckUtils]: 48: Hoare triple {13680#(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; {13680#(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 [2020-07-08 22:25:05,357 INFO L280 TraceCheckUtils]: 49: Hoare triple {13680#(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 {13681#(and (= 0 |main_#t~mem19.offset|) (= 0 |main_#t~mem19.base|))} is VALID [2020-07-08 22:25:05,358 INFO L280 TraceCheckUtils]: 50: Hoare triple {13681#(and (= 0 |main_#t~mem19.offset|) (= 0 |main_#t~mem19.base|))} assume !(0 == #t~mem19.base && 0 == #t~mem19.offset); {13665#false} is VALID [2020-07-08 22:25:05,358 INFO L280 TraceCheckUtils]: 51: Hoare triple {13665#false} havoc #t~mem19.base, #t~mem19.offset; {13665#false} is VALID [2020-07-08 22:25:05,358 INFO L280 TraceCheckUtils]: 52: Hoare triple {13665#false} assume !false; {13665#false} is VALID [2020-07-08 22:25:05,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:25:05,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1659117253] [2020-07-08 22:25:05,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:25:05,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-08 22:25:05,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579857723] [2020-07-08 22:25:05,370 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 53 [2020-07-08 22:25:05,371 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:25:05,371 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-08 22:25:05,453 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:05,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-08 22:25:05,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:25:05,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-08 22:25:05,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-07-08 22:25:05,454 INFO L87 Difference]: Start difference. First operand 206 states and 222 transitions. Second operand 14 states. [2020-07-08 22:25:15,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:15,692 INFO L93 Difference]: Finished difference Result 636 states and 681 transitions. [2020-07-08 22:25:15,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-08 22:25:15,692 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 53 [2020-07-08 22:25:15,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:25:15,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-08 22:25:15,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 556 transitions. [2020-07-08 22:25:15,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-08 22:25:15,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 556 transitions. [2020-07-08 22:25:15,698 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states and 556 transitions. [2020-07-08 22:25:16,653 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 556 edges. 556 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:16,676 INFO L225 Difference]: With dead ends: 636 [2020-07-08 22:25:16,676 INFO L226 Difference]: Without dead ends: 633 [2020-07-08 22:25:16,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=252, Invalid=804, Unknown=0, NotChecked=0, Total=1056 [2020-07-08 22:25:16,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2020-07-08 22:25:18,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 225. [2020-07-08 22:25:18,094 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:25:18,095 INFO L82 GeneralOperation]: Start isEquivalent. First operand 633 states. Second operand 225 states. [2020-07-08 22:25:18,095 INFO L74 IsIncluded]: Start isIncluded. First operand 633 states. Second operand 225 states. [2020-07-08 22:25:18,095 INFO L87 Difference]: Start difference. First operand 633 states. Second operand 225 states. [2020-07-08 22:25:18,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:18,112 INFO L93 Difference]: Finished difference Result 633 states and 678 transitions. [2020-07-08 22:25:18,112 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 678 transitions. [2020-07-08 22:25:18,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:25:18,114 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:25:18,114 INFO L74 IsIncluded]: Start isIncluded. First operand 225 states. Second operand 633 states. [2020-07-08 22:25:18,114 INFO L87 Difference]: Start difference. First operand 225 states. Second operand 633 states. [2020-07-08 22:25:18,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:18,133 INFO L93 Difference]: Finished difference Result 633 states and 678 transitions. [2020-07-08 22:25:18,133 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 678 transitions. [2020-07-08 22:25:18,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:25:18,135 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:25:18,135 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:25:18,135 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:25:18,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-07-08 22:25:18,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 243 transitions. [2020-07-08 22:25:18,138 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 243 transitions. Word has length 53 [2020-07-08 22:25:18,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:25:18,139 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 243 transitions. [2020-07-08 22:25:18,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-08 22:25:18,139 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 225 states and 243 transitions. [2020-07-08 22:25:18,856 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 243 edges. 243 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:18,857 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 243 transitions. [2020-07-08 22:25:18,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-08 22:25:18,858 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:25:18,858 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] [2020-07-08 22:25:18,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-08 22:25:18,859 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]=== [2020-07-08 22:25:18,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:25:18,859 INFO L82 PathProgramCache]: Analyzing trace with hash 991929043, now seen corresponding path program 1 times [2020-07-08 22:25:18,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:25:18,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1089002895] [2020-07-08 22:25:18,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:25:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:19,028 INFO L280 TraceCheckUtils]: 0: Hoare triple {16723#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {16711#true} is VALID [2020-07-08 22:25:19,028 INFO L280 TraceCheckUtils]: 1: Hoare triple {16711#true} #valid := #valid[0 := 0]; {16711#true} is VALID [2020-07-08 22:25:19,028 INFO L280 TraceCheckUtils]: 2: Hoare triple {16711#true} assume 0 < #StackHeapBarrier; {16711#true} is VALID [2020-07-08 22:25:19,029 INFO L280 TraceCheckUtils]: 3: Hoare triple {16711#true} assume true; {16711#true} is VALID [2020-07-08 22:25:19,029 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {16711#true} {16711#true} #419#return; {16711#true} is VALID [2020-07-08 22:25:19,030 INFO L263 TraceCheckUtils]: 0: Hoare triple {16711#true} call ULTIMATE.init(); {16723#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:25:19,030 INFO L280 TraceCheckUtils]: 1: Hoare triple {16723#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {16711#true} is VALID [2020-07-08 22:25:19,030 INFO L280 TraceCheckUtils]: 2: Hoare triple {16711#true} #valid := #valid[0 := 0]; {16711#true} is VALID [2020-07-08 22:25:19,030 INFO L280 TraceCheckUtils]: 3: Hoare triple {16711#true} assume 0 < #StackHeapBarrier; {16711#true} is VALID [2020-07-08 22:25:19,031 INFO L280 TraceCheckUtils]: 4: Hoare triple {16711#true} assume true; {16711#true} is VALID [2020-07-08 22:25:19,031 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {16711#true} {16711#true} #419#return; {16711#true} is VALID [2020-07-08 22:25:19,031 INFO L263 TraceCheckUtils]: 6: Hoare triple {16711#true} call #t~ret28 := main(); {16711#true} is VALID [2020-07-08 22:25:19,031 INFO L280 TraceCheckUtils]: 7: Hoare triple {16711#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {16711#true} is VALID [2020-07-08 22:25:19,031 INFO L280 TraceCheckUtils]: 8: Hoare triple {16711#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {16711#true} is VALID [2020-07-08 22:25:19,031 INFO L280 TraceCheckUtils]: 9: Hoare triple {16711#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {16711#true} is VALID [2020-07-08 22:25:19,032 INFO L280 TraceCheckUtils]: 10: Hoare triple {16711#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {16711#true} is VALID [2020-07-08 22:25:19,032 INFO L280 TraceCheckUtils]: 11: Hoare triple {16711#true} goto; {16711#true} is VALID [2020-07-08 22:25:19,032 INFO L280 TraceCheckUtils]: 12: Hoare triple {16711#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {16711#true} is VALID [2020-07-08 22:25:19,032 INFO L280 TraceCheckUtils]: 13: Hoare triple {16711#true} assume 0 != #t~nondet1; {16711#true} is VALID [2020-07-08 22:25:19,032 INFO L280 TraceCheckUtils]: 14: Hoare triple {16711#true} havoc #t~nondet1; {16711#true} is VALID [2020-07-08 22:25:19,033 INFO L280 TraceCheckUtils]: 15: Hoare triple {16711#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {16711#true} is VALID [2020-07-08 22:25:19,034 INFO L280 TraceCheckUtils]: 16: Hoare triple {16711#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {16718#(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 [2020-07-08 22:25:19,035 INFO L280 TraceCheckUtils]: 17: Hoare triple {16718#(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; {16719#(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 [2020-07-08 22:25:19,035 INFO L280 TraceCheckUtils]: 18: Hoare triple {16719#(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; {16720#(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 [2020-07-08 22:25:19,036 INFO L280 TraceCheckUtils]: 19: Hoare triple {16720#(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 {16720#(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 [2020-07-08 22:25:19,037 INFO L280 TraceCheckUtils]: 20: Hoare triple {16720#(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; {16720#(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 [2020-07-08 22:25:19,038 INFO L280 TraceCheckUtils]: 21: Hoare triple {16720#(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; {16720#(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 [2020-07-08 22:25:19,039 INFO L280 TraceCheckUtils]: 22: Hoare triple {16720#(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; {16720#(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 [2020-07-08 22:25:19,040 INFO L280 TraceCheckUtils]: 23: Hoare triple {16720#(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; {16720#(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 [2020-07-08 22:25:19,041 INFO L280 TraceCheckUtils]: 24: Hoare triple {16720#(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; {16720#(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 [2020-07-08 22:25:19,042 INFO L280 TraceCheckUtils]: 25: Hoare triple {16720#(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; {16720#(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 [2020-07-08 22:25:19,043 INFO L280 TraceCheckUtils]: 26: Hoare triple {16720#(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; {16720#(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 [2020-07-08 22:25:19,044 INFO L280 TraceCheckUtils]: 27: Hoare triple {16720#(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; {16720#(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 [2020-07-08 22:25:19,045 INFO L280 TraceCheckUtils]: 28: Hoare triple {16720#(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); {16720#(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 [2020-07-08 22:25:19,045 INFO L280 TraceCheckUtils]: 29: Hoare triple {16720#(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; {16720#(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 [2020-07-08 22:25:19,046 INFO L280 TraceCheckUtils]: 30: Hoare triple {16720#(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; {16720#(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 [2020-07-08 22:25:19,047 INFO L280 TraceCheckUtils]: 31: Hoare triple {16720#(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; {16720#(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 [2020-07-08 22:25:19,048 INFO L280 TraceCheckUtils]: 32: Hoare triple {16720#(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); {16720#(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 [2020-07-08 22:25:19,049 INFO L280 TraceCheckUtils]: 33: Hoare triple {16720#(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; {16720#(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 [2020-07-08 22:25:19,049 INFO L280 TraceCheckUtils]: 34: Hoare triple {16720#(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); {16720#(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 [2020-07-08 22:25:19,050 INFO L280 TraceCheckUtils]: 35: Hoare triple {16720#(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; {16720#(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 [2020-07-08 22:25:19,051 INFO L280 TraceCheckUtils]: 36: Hoare triple {16720#(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 {16720#(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 [2020-07-08 22:25:19,052 INFO L280 TraceCheckUtils]: 37: Hoare triple {16720#(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; {16720#(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 [2020-07-08 22:25:19,053 INFO L280 TraceCheckUtils]: 38: Hoare triple {16720#(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; {16720#(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 [2020-07-08 22:25:19,053 INFO L280 TraceCheckUtils]: 39: Hoare triple {16720#(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); {16720#(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 [2020-07-08 22:25:19,054 INFO L280 TraceCheckUtils]: 40: Hoare triple {16720#(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); {16720#(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 [2020-07-08 22:25:19,055 INFO L280 TraceCheckUtils]: 41: Hoare triple {16720#(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; {16720#(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 [2020-07-08 22:25:19,056 INFO L280 TraceCheckUtils]: 42: Hoare triple {16720#(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 {16720#(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 [2020-07-08 22:25:19,056 INFO L280 TraceCheckUtils]: 43: Hoare triple {16720#(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; {16720#(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 [2020-07-08 22:25:19,057 INFO L280 TraceCheckUtils]: 44: Hoare triple {16720#(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; {16720#(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 [2020-07-08 22:25:19,058 INFO L280 TraceCheckUtils]: 45: Hoare triple {16720#(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); {16720#(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 [2020-07-08 22:25:19,059 INFO L280 TraceCheckUtils]: 46: Hoare triple {16720#(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); {16720#(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 [2020-07-08 22:25:19,060 INFO L280 TraceCheckUtils]: 47: Hoare triple {16720#(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 {16721#(and (= 0 |main_#t~mem24.offset|) (= 0 |main_#t~mem24.base|))} is VALID [2020-07-08 22:25:19,061 INFO L280 TraceCheckUtils]: 48: Hoare triple {16721#(and (= 0 |main_#t~mem24.offset|) (= 0 |main_#t~mem24.base|))} ~end~0.base, ~end~0.offset := #t~mem24.base, #t~mem24.offset; {16722#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} is VALID [2020-07-08 22:25:19,061 INFO L280 TraceCheckUtils]: 49: Hoare triple {16722#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} havoc #t~mem24.base, #t~mem24.offset; {16722#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} is VALID [2020-07-08 22:25:19,062 INFO L280 TraceCheckUtils]: 50: Hoare triple {16722#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} assume 0 != ~end~0.base || 0 != ~end~0.offset; {16712#false} is VALID [2020-07-08 22:25:19,062 INFO L280 TraceCheckUtils]: 51: Hoare triple {16712#false} assume !(0 != ~end~0.base || 0 != ~end~0.offset); {16712#false} is VALID [2020-07-08 22:25:19,062 INFO L280 TraceCheckUtils]: 52: Hoare triple {16712#false} assume !false; {16712#false} is VALID [2020-07-08 22:25:19,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-08 22:25:19,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1089002895] [2020-07-08 22:25:19,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:25:19,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-08 22:25:19,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855836598] [2020-07-08 22:25:19,073 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-07-08 22:25:19,073 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:25:19,074 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-08 22:25:19,132 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:19,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-08 22:25:19,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:25:19,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-08 22:25:19,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-08 22:25:19,133 INFO L87 Difference]: Start difference. First operand 225 states and 243 transitions. Second operand 8 states. [2020-07-08 22:25:22,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:22,569 INFO L93 Difference]: Finished difference Result 321 states and 346 transitions. [2020-07-08 22:25:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-08 22:25:22,570 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-07-08 22:25:22,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:25:22,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 22:25:22,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 269 transitions. [2020-07-08 22:25:22,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 22:25:22,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 269 transitions. [2020-07-08 22:25:22,574 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 269 transitions. [2020-07-08 22:25:22,881 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 269 edges. 269 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:22,887 INFO L225 Difference]: With dead ends: 321 [2020-07-08 22:25:22,888 INFO L226 Difference]: Without dead ends: 291 [2020-07-08 22:25:22,888 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 [2020-07-08 22:25:22,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-07-08 22:25:24,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 275. [2020-07-08 22:25:24,762 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:25:24,762 INFO L82 GeneralOperation]: Start isEquivalent. First operand 291 states. Second operand 275 states. [2020-07-08 22:25:24,763 INFO L74 IsIncluded]: Start isIncluded. First operand 291 states. Second operand 275 states. [2020-07-08 22:25:24,763 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 275 states. [2020-07-08 22:25:24,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:24,771 INFO L93 Difference]: Finished difference Result 291 states and 314 transitions. [2020-07-08 22:25:24,771 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 314 transitions. [2020-07-08 22:25:24,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:25:24,772 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:25:24,772 INFO L74 IsIncluded]: Start isIncluded. First operand 275 states. Second operand 291 states. [2020-07-08 22:25:24,772 INFO L87 Difference]: Start difference. First operand 275 states. Second operand 291 states. [2020-07-08 22:25:24,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:24,778 INFO L93 Difference]: Finished difference Result 291 states and 314 transitions. [2020-07-08 22:25:24,778 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 314 transitions. [2020-07-08 22:25:24,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:25:24,779 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:25:24,779 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:25:24,779 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:25:24,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2020-07-08 22:25:24,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 301 transitions. [2020-07-08 22:25:24,785 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 301 transitions. Word has length 53 [2020-07-08 22:25:24,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:25:24,785 INFO L479 AbstractCegarLoop]: Abstraction has 275 states and 301 transitions. [2020-07-08 22:25:24,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-08 22:25:24,786 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 275 states and 301 transitions. [2020-07-08 22:25:25,817 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 301 edges. 301 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:25,817 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 301 transitions. [2020-07-08 22:25:25,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-08 22:25:25,819 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:25:25,819 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] [2020-07-08 22:25:25,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-08 22:25:25,820 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]=== [2020-07-08 22:25:25,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:25:25,820 INFO L82 PathProgramCache]: Analyzing trace with hash -604385608, now seen corresponding path program 1 times [2020-07-08 22:25:25,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:25:25,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2012941587] [2020-07-08 22:25:25,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:25:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:25,951 INFO L280 TraceCheckUtils]: 0: Hoare triple {18520#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {18508#true} is VALID [2020-07-08 22:25:25,951 INFO L280 TraceCheckUtils]: 1: Hoare triple {18508#true} #valid := #valid[0 := 0]; {18508#true} is VALID [2020-07-08 22:25:25,952 INFO L280 TraceCheckUtils]: 2: Hoare triple {18508#true} assume 0 < #StackHeapBarrier; {18508#true} is VALID [2020-07-08 22:25:25,952 INFO L280 TraceCheckUtils]: 3: Hoare triple {18508#true} assume true; {18508#true} is VALID [2020-07-08 22:25:25,952 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {18508#true} {18508#true} #419#return; {18508#true} is VALID [2020-07-08 22:25:25,953 INFO L263 TraceCheckUtils]: 0: Hoare triple {18508#true} call ULTIMATE.init(); {18520#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:25:25,953 INFO L280 TraceCheckUtils]: 1: Hoare triple {18520#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {18508#true} is VALID [2020-07-08 22:25:25,954 INFO L280 TraceCheckUtils]: 2: Hoare triple {18508#true} #valid := #valid[0 := 0]; {18508#true} is VALID [2020-07-08 22:25:25,954 INFO L280 TraceCheckUtils]: 3: Hoare triple {18508#true} assume 0 < #StackHeapBarrier; {18508#true} is VALID [2020-07-08 22:25:25,954 INFO L280 TraceCheckUtils]: 4: Hoare triple {18508#true} assume true; {18508#true} is VALID [2020-07-08 22:25:25,954 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {18508#true} {18508#true} #419#return; {18508#true} is VALID [2020-07-08 22:25:25,954 INFO L263 TraceCheckUtils]: 6: Hoare triple {18508#true} call #t~ret28 := main(); {18508#true} is VALID [2020-07-08 22:25:25,955 INFO L280 TraceCheckUtils]: 7: Hoare triple {18508#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {18508#true} is VALID [2020-07-08 22:25:25,955 INFO L280 TraceCheckUtils]: 8: Hoare triple {18508#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {18508#true} is VALID [2020-07-08 22:25:25,955 INFO L280 TraceCheckUtils]: 9: Hoare triple {18508#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {18508#true} is VALID [2020-07-08 22:25:25,955 INFO L280 TraceCheckUtils]: 10: Hoare triple {18508#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {18508#true} is VALID [2020-07-08 22:25:25,955 INFO L280 TraceCheckUtils]: 11: Hoare triple {18508#true} goto; {18508#true} is VALID [2020-07-08 22:25:25,956 INFO L280 TraceCheckUtils]: 12: Hoare triple {18508#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {18508#true} is VALID [2020-07-08 22:25:25,956 INFO L280 TraceCheckUtils]: 13: Hoare triple {18508#true} assume 0 != #t~nondet1; {18508#true} is VALID [2020-07-08 22:25:25,956 INFO L280 TraceCheckUtils]: 14: Hoare triple {18508#true} havoc #t~nondet1; {18508#true} is VALID [2020-07-08 22:25:25,956 INFO L280 TraceCheckUtils]: 15: Hoare triple {18508#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {18508#true} is VALID [2020-07-08 22:25:25,957 INFO L280 TraceCheckUtils]: 16: Hoare triple {18508#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {18508#true} is VALID [2020-07-08 22:25:25,957 INFO L280 TraceCheckUtils]: 17: Hoare triple {18508#true} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {18508#true} is VALID [2020-07-08 22:25:25,957 INFO L280 TraceCheckUtils]: 18: Hoare triple {18508#true} assume !#t~short7; {18508#true} is VALID [2020-07-08 22:25:25,957 INFO L280 TraceCheckUtils]: 19: Hoare triple {18508#true} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-22 {18508#true} is VALID [2020-07-08 22:25:25,957 INFO L280 TraceCheckUtils]: 20: Hoare triple {18508#true} #t~short7 := #t~mem6.base == 0 && #t~mem6.offset == 0; {18508#true} is VALID [2020-07-08 22:25:25,958 INFO L280 TraceCheckUtils]: 21: Hoare triple {18508#true} assume !!#t~short7; {18508#true} is VALID [2020-07-08 22:25:25,958 INFO L280 TraceCheckUtils]: 22: Hoare triple {18508#true} havoc #t~mem6.base, #t~mem6.offset; {18508#true} is VALID [2020-07-08 22:25:25,958 INFO L280 TraceCheckUtils]: 23: Hoare triple {18508#true} havoc #t~mem5.base, #t~mem5.offset; {18508#true} is VALID [2020-07-08 22:25:25,958 INFO L280 TraceCheckUtils]: 24: Hoare triple {18508#true} havoc #t~short7; {18508#true} is VALID [2020-07-08 22:25:25,958 INFO L280 TraceCheckUtils]: 25: Hoare triple {18508#true} goto; {18508#true} is VALID [2020-07-08 22:25:25,959 INFO L280 TraceCheckUtils]: 26: Hoare triple {18508#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {18508#true} is VALID [2020-07-08 22:25:25,959 INFO L280 TraceCheckUtils]: 27: Hoare triple {18508#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {18508#true} is VALID [2020-07-08 22:25:25,959 INFO L280 TraceCheckUtils]: 28: Hoare triple {18508#true} assume !!(0 != #t~nondet8); {18508#true} is VALID [2020-07-08 22:25:25,959 INFO L280 TraceCheckUtils]: 29: Hoare triple {18508#true} havoc #t~nondet8; {18508#true} is VALID [2020-07-08 22:25:25,959 INFO L280 TraceCheckUtils]: 30: Hoare triple {18508#true} SUMMARY for call #t~malloc9.base, #t~malloc9.offset := #Ultimate.allocOnHeap(8); srcloc: L1001 {18508#true} is VALID [2020-07-08 22:25:25,960 INFO L280 TraceCheckUtils]: 31: Hoare triple {18508#true} SUMMARY for call write~$Pointer$(#t~malloc9.base, #t~malloc9.offset, ~end~0.base, ~end~0.offset, 4); srcloc: L1001-1 {18508#true} is VALID [2020-07-08 22:25:25,960 INFO L280 TraceCheckUtils]: 32: Hoare triple {18508#true} SUMMARY for call #t~mem10.base, #t~mem10.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1001-2 {18508#true} is VALID [2020-07-08 22:25:25,960 INFO L280 TraceCheckUtils]: 33: Hoare triple {18508#true} ~end~0.base, ~end~0.offset := #t~mem10.base, #t~mem10.offset; {18508#true} is VALID [2020-07-08 22:25:25,960 INFO L280 TraceCheckUtils]: 34: Hoare triple {18508#true} havoc #t~mem10.base, #t~mem10.offset; {18508#true} is VALID [2020-07-08 22:25:25,960 INFO L280 TraceCheckUtils]: 35: Hoare triple {18508#true} SUMMARY for call write~$Pointer$(0, 0, ~end~0.base, ~end~0.offset, 4); srcloc: L1003 {18508#true} is VALID [2020-07-08 22:25:25,961 INFO L280 TraceCheckUtils]: 36: Hoare triple {18508#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {18508#true} is VALID [2020-07-08 22:25:25,961 INFO L280 TraceCheckUtils]: 37: Hoare triple {18508#true} goto; {18508#true} is VALID [2020-07-08 22:25:25,961 INFO L280 TraceCheckUtils]: 38: Hoare triple {18508#true} assume !!(~end~0.base != 0 || ~end~0.offset != 0); {18508#true} is VALID [2020-07-08 22:25:25,961 INFO L280 TraceCheckUtils]: 39: Hoare triple {18508#true} goto; {18508#true} is VALID [2020-07-08 22:25:25,961 INFO L280 TraceCheckUtils]: 40: Hoare triple {18508#true} assume -2147483648 <= #t~nondet11 && #t~nondet11 <= 2147483647; {18508#true} is VALID [2020-07-08 22:25:25,962 INFO L280 TraceCheckUtils]: 41: Hoare triple {18508#true} assume 0 != #t~nondet11; {18508#true} is VALID [2020-07-08 22:25:25,962 INFO L280 TraceCheckUtils]: 42: Hoare triple {18508#true} havoc #t~nondet11; {18508#true} is VALID [2020-07-08 22:25:25,962 INFO L280 TraceCheckUtils]: 43: Hoare triple {18508#true} SUMMARY for call write~$Pointer$(0, 0, ~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1005-7 {18508#true} is VALID [2020-07-08 22:25:25,964 INFO L280 TraceCheckUtils]: 44: Hoare triple {18508#true} SUMMARY for call #t~mem15.base, #t~mem15.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1005-34 {18515#(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 [2020-07-08 22:25:25,965 INFO L280 TraceCheckUtils]: 45: Hoare triple {18515#(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; {18516#(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 [2020-07-08 22:25:25,966 INFO L280 TraceCheckUtils]: 46: Hoare triple {18516#(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; {18517#(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 [2020-07-08 22:25:25,966 INFO L280 TraceCheckUtils]: 47: Hoare triple {18517#(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 {18518#(and (= 0 |main_#t~mem16.offset|) (= 0 |main_#t~mem16.base|))} is VALID [2020-07-08 22:25:25,967 INFO L280 TraceCheckUtils]: 48: Hoare triple {18518#(and (= 0 |main_#t~mem16.offset|) (= 0 |main_#t~mem16.base|))} #t~short17 := #t~mem16.base == 0 && #t~mem16.offset == 0; {18519#|main_#t~short17|} is VALID [2020-07-08 22:25:25,977 INFO L280 TraceCheckUtils]: 49: Hoare triple {18519#|main_#t~short17|} assume !#t~short17; {18509#false} is VALID [2020-07-08 22:25:25,977 INFO L280 TraceCheckUtils]: 50: Hoare triple {18509#false} havoc #t~mem15.base, #t~mem15.offset; {18509#false} is VALID [2020-07-08 22:25:25,977 INFO L280 TraceCheckUtils]: 51: Hoare triple {18509#false} havoc #t~mem16.base, #t~mem16.offset; {18509#false} is VALID [2020-07-08 22:25:25,978 INFO L280 TraceCheckUtils]: 52: Hoare triple {18509#false} havoc #t~short17; {18509#false} is VALID [2020-07-08 22:25:25,978 INFO L280 TraceCheckUtils]: 53: Hoare triple {18509#false} assume !false; {18509#false} is VALID [2020-07-08 22:25:25,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:25:25,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2012941587] [2020-07-08 22:25:25,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:25:25,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-08 22:25:25,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525337723] [2020-07-08 22:25:25,982 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-07-08 22:25:25,982 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:25:25,982 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-08 22:25:26,115 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:26,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-08 22:25:26,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:25:26,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-08 22:25:26,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-07-08 22:25:26,117 INFO L87 Difference]: Start difference. First operand 275 states and 301 transitions. Second operand 8 states. [2020-07-08 22:25:29,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:29,256 INFO L93 Difference]: Finished difference Result 296 states and 324 transitions. [2020-07-08 22:25:29,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-08 22:25:29,256 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-07-08 22:25:29,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:25:29,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 22:25:29,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 183 transitions. [2020-07-08 22:25:29,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 22:25:29,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 183 transitions. [2020-07-08 22:25:29,260 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 183 transitions. [2020-07-08 22:25:29,459 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 183 edges. 183 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:29,465 INFO L225 Difference]: With dead ends: 296 [2020-07-08 22:25:29,465 INFO L226 Difference]: Without dead ends: 291 [2020-07-08 22:25:29,466 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 [2020-07-08 22:25:29,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-07-08 22:25:31,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 268. [2020-07-08 22:25:31,331 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:25:31,331 INFO L82 GeneralOperation]: Start isEquivalent. First operand 291 states. Second operand 268 states. [2020-07-08 22:25:31,331 INFO L74 IsIncluded]: Start isIncluded. First operand 291 states. Second operand 268 states. [2020-07-08 22:25:31,331 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 268 states. [2020-07-08 22:25:31,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:31,338 INFO L93 Difference]: Finished difference Result 291 states and 318 transitions. [2020-07-08 22:25:31,338 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 318 transitions. [2020-07-08 22:25:31,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:25:31,339 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:25:31,339 INFO L74 IsIncluded]: Start isIncluded. First operand 268 states. Second operand 291 states. [2020-07-08 22:25:31,340 INFO L87 Difference]: Start difference. First operand 268 states. Second operand 291 states. [2020-07-08 22:25:31,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:31,346 INFO L93 Difference]: Finished difference Result 291 states and 318 transitions. [2020-07-08 22:25:31,347 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 318 transitions. [2020-07-08 22:25:31,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:25:31,347 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:25:31,348 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:25:31,348 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:25:31,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-07-08 22:25:31,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 293 transitions. [2020-07-08 22:25:31,353 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 293 transitions. Word has length 54 [2020-07-08 22:25:31,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:25:31,354 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 293 transitions. [2020-07-08 22:25:31,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-08 22:25:31,354 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 268 states and 293 transitions. [2020-07-08 22:25:32,302 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 293 edges. 293 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:32,302 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 293 transitions. [2020-07-08 22:25:32,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-08 22:25:32,304 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:25:32,304 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] [2020-07-08 22:25:32,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-08 22:25:32,304 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]=== [2020-07-08 22:25:32,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:25:32,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1636675303, now seen corresponding path program 1 times [2020-07-08 22:25:32,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:25:32,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [225338066] [2020-07-08 22:25:32,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:25:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:32,742 INFO L280 TraceCheckUtils]: 0: Hoare triple {20269#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {20249#true} is VALID [2020-07-08 22:25:32,742 INFO L280 TraceCheckUtils]: 1: Hoare triple {20249#true} #valid := #valid[0 := 0]; {20249#true} is VALID [2020-07-08 22:25:32,743 INFO L280 TraceCheckUtils]: 2: Hoare triple {20249#true} assume 0 < #StackHeapBarrier; {20249#true} is VALID [2020-07-08 22:25:32,743 INFO L280 TraceCheckUtils]: 3: Hoare triple {20249#true} assume true; {20249#true} is VALID [2020-07-08 22:25:32,743 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {20249#true} {20249#true} #419#return; {20249#true} is VALID [2020-07-08 22:25:32,743 INFO L263 TraceCheckUtils]: 0: Hoare triple {20249#true} call ULTIMATE.init(); {20269#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:25:32,744 INFO L280 TraceCheckUtils]: 1: Hoare triple {20269#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {20249#true} is VALID [2020-07-08 22:25:32,744 INFO L280 TraceCheckUtils]: 2: Hoare triple {20249#true} #valid := #valid[0 := 0]; {20249#true} is VALID [2020-07-08 22:25:32,744 INFO L280 TraceCheckUtils]: 3: Hoare triple {20249#true} assume 0 < #StackHeapBarrier; {20249#true} is VALID [2020-07-08 22:25:32,744 INFO L280 TraceCheckUtils]: 4: Hoare triple {20249#true} assume true; {20249#true} is VALID [2020-07-08 22:25:32,744 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {20249#true} {20249#true} #419#return; {20249#true} is VALID [2020-07-08 22:25:32,744 INFO L263 TraceCheckUtils]: 6: Hoare triple {20249#true} call #t~ret28 := main(); {20249#true} is VALID [2020-07-08 22:25:32,745 INFO L280 TraceCheckUtils]: 7: Hoare triple {20249#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {20256#(= 1 (select |#valid| |main_#t~malloc0.base|))} is VALID [2020-07-08 22:25:32,746 INFO L280 TraceCheckUtils]: 8: Hoare triple {20256#(= 1 (select |#valid| |main_#t~malloc0.base|))} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {20257#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-08 22:25:32,746 INFO L280 TraceCheckUtils]: 9: Hoare triple {20257#(= 1 (select |#valid| main_~list~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {20257#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-08 22:25:32,746 INFO L280 TraceCheckUtils]: 10: Hoare triple {20257#(= 1 (select |#valid| main_~list~0.base))} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {20257#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-08 22:25:32,747 INFO L280 TraceCheckUtils]: 11: Hoare triple {20257#(= 1 (select |#valid| main_~list~0.base))} goto; {20257#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-08 22:25:32,747 INFO L280 TraceCheckUtils]: 12: Hoare triple {20257#(= 1 (select |#valid| main_~list~0.base))} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {20257#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-08 22:25:32,747 INFO L280 TraceCheckUtils]: 13: Hoare triple {20257#(= 1 (select |#valid| main_~list~0.base))} assume !(0 != #t~nondet1); {20257#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-08 22:25:32,748 INFO L280 TraceCheckUtils]: 14: Hoare triple {20257#(= 1 (select |#valid| main_~list~0.base))} havoc #t~nondet1; {20257#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-08 22:25:32,749 INFO L280 TraceCheckUtils]: 15: Hoare triple {20257#(= 1 (select |#valid| main_~list~0.base))} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8); srcloc: L993-10 {20258#(and (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~list~0.base)))} is VALID [2020-07-08 22:25:32,749 INFO L280 TraceCheckUtils]: 16: Hoare triple {20258#(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 {20259#(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 [2020-07-08 22:25:32,750 INFO L280 TraceCheckUtils]: 17: Hoare triple {20259#(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 {20260#(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 [2020-07-08 22:25:32,751 INFO L280 TraceCheckUtils]: 18: Hoare triple {20260#(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 {20261#(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 [2020-07-08 22:25:32,752 INFO L280 TraceCheckUtils]: 19: Hoare triple {20261#(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; {20261#(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 [2020-07-08 22:25:32,752 INFO L280 TraceCheckUtils]: 20: Hoare triple {20261#(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 {20262#(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 [2020-07-08 22:25:32,753 INFO L280 TraceCheckUtils]: 21: Hoare triple {20262#(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 {20263#(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 [2020-07-08 22:25:32,754 INFO L280 TraceCheckUtils]: 22: Hoare triple {20263#(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; {20263#(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 [2020-07-08 22:25:32,755 INFO L280 TraceCheckUtils]: 23: Hoare triple {20263#(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 {20263#(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 [2020-07-08 22:25:32,756 INFO L280 TraceCheckUtils]: 24: Hoare triple {20263#(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; {20263#(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 [2020-07-08 22:25:32,757 INFO L280 TraceCheckUtils]: 25: Hoare triple {20263#(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; {20263#(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 [2020-07-08 22:25:32,758 INFO L280 TraceCheckUtils]: 26: Hoare triple {20263#(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; {20263#(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 [2020-07-08 22:25:32,759 INFO L280 TraceCheckUtils]: 27: Hoare triple {20263#(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; {20263#(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 [2020-07-08 22:25:32,760 INFO L280 TraceCheckUtils]: 28: Hoare triple {20263#(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; {20263#(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 [2020-07-08 22:25:32,760 INFO L280 TraceCheckUtils]: 29: Hoare triple {20263#(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; {20263#(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 [2020-07-08 22:25:32,761 INFO L280 TraceCheckUtils]: 30: Hoare triple {20263#(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; {20263#(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 [2020-07-08 22:25:32,761 INFO L280 TraceCheckUtils]: 31: Hoare triple {20263#(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; {20263#(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 [2020-07-08 22:25:32,762 INFO L280 TraceCheckUtils]: 32: Hoare triple {20263#(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; {20263#(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 [2020-07-08 22:25:32,763 INFO L280 TraceCheckUtils]: 33: Hoare triple {20263#(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); {20263#(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 [2020-07-08 22:25:32,763 INFO L280 TraceCheckUtils]: 34: Hoare triple {20263#(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; {20263#(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 [2020-07-08 22:25:32,764 INFO L280 TraceCheckUtils]: 35: Hoare triple {20263#(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; {20263#(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 [2020-07-08 22:25:32,764 INFO L280 TraceCheckUtils]: 36: Hoare triple {20263#(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; {20264#(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 [2020-07-08 22:25:32,765 INFO L280 TraceCheckUtils]: 37: Hoare triple {20264#(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); {20264#(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 [2020-07-08 22:25:32,766 INFO L280 TraceCheckUtils]: 38: Hoare triple {20264#(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; {20264#(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 [2020-07-08 22:25:32,767 INFO L280 TraceCheckUtils]: 39: Hoare triple {20264#(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); {20264#(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 [2020-07-08 22:25:32,768 INFO L280 TraceCheckUtils]: 40: Hoare triple {20264#(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; {20264#(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 [2020-07-08 22:25:32,768 INFO L280 TraceCheckUtils]: 41: Hoare triple {20264#(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 {20265#(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 [2020-07-08 22:25:32,769 INFO L280 TraceCheckUtils]: 42: Hoare triple {20265#(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; {20266#(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 [2020-07-08 22:25:32,769 INFO L280 TraceCheckUtils]: 43: Hoare triple {20266#(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; {20266#(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 [2020-07-08 22:25:32,770 INFO L280 TraceCheckUtils]: 44: Hoare triple {20266#(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); {20267#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-08 22:25:32,770 INFO L280 TraceCheckUtils]: 45: Hoare triple {20267#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} assume 0 == ~len~0; {20267#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-08 22:25:32,771 INFO L280 TraceCheckUtils]: 46: Hoare triple {20267#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} ~len~0 := 1; {20267#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-08 22:25:32,771 INFO L280 TraceCheckUtils]: 47: Hoare triple {20267#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) 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); {20267#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-08 22:25:32,772 INFO L280 TraceCheckUtils]: 48: Hoare triple {20267#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} goto; {20267#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-08 22:25:32,772 INFO L280 TraceCheckUtils]: 49: Hoare triple {20267#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) 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 {20267#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-08 22:25:32,773 INFO L280 TraceCheckUtils]: 50: Hoare triple {20267#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) 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); {20267#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-08 22:25:32,773 INFO L280 TraceCheckUtils]: 51: Hoare triple {20267#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) 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; {20267#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-08 22:25:32,774 INFO L280 TraceCheckUtils]: 52: Hoare triple {20267#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} goto; {20267#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) main_~inner~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~inner~0.base) main_~inner~0.offset)))} is VALID [2020-07-08 22:25:32,774 INFO L280 TraceCheckUtils]: 53: Hoare triple {20267#(and (= 0 (select (select |#memory_$Pointer$.base| main_~inner~0.base) 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 {20268#(and (= 0 |main_#t~mem20.base|) (= 0 |main_#t~mem20.offset|))} is VALID [2020-07-08 22:25:32,775 INFO L280 TraceCheckUtils]: 54: Hoare triple {20268#(and (= 0 |main_#t~mem20.base|) (= 0 |main_#t~mem20.offset|))} assume !(0 == #t~mem20.base && 0 == #t~mem20.offset); {20250#false} is VALID [2020-07-08 22:25:32,775 INFO L280 TraceCheckUtils]: 55: Hoare triple {20250#false} havoc #t~mem20.base, #t~mem20.offset; {20250#false} is VALID [2020-07-08 22:25:32,775 INFO L280 TraceCheckUtils]: 56: Hoare triple {20250#false} assume !false; {20250#false} is VALID [2020-07-08 22:25:32,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:25:32,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [225338066] [2020-07-08 22:25:32,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:25:32,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-07-08 22:25:32,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425380434] [2020-07-08 22:25:32,792 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 57 [2020-07-08 22:25:32,792 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:25:32,792 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states. [2020-07-08 22:25:32,872 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:32,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-08 22:25:32,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:25:32,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-08 22:25:32,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2020-07-08 22:25:32,873 INFO L87 Difference]: Start difference. First operand 268 states and 293 transitions. Second operand 16 states. [2020-07-08 22:25:44,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:44,404 INFO L93 Difference]: Finished difference Result 722 states and 782 transitions. [2020-07-08 22:25:44,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-08 22:25:44,404 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 57 [2020-07-08 22:25:44,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:25:44,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-08 22:25:44,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 543 transitions. [2020-07-08 22:25:44,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-08 22:25:44,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 543 transitions. [2020-07-08 22:25:44,416 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states and 543 transitions. [2020-07-08 22:25:45,199 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 543 edges. 543 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:45,222 INFO L225 Difference]: With dead ends: 722 [2020-07-08 22:25:45,222 INFO L226 Difference]: Without dead ends: 719 [2020-07-08 22:25:45,223 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=280, Invalid=910, Unknown=0, NotChecked=0, Total=1190 [2020-07-08 22:25:45,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2020-07-08 22:25:47,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 272. [2020-07-08 22:25:47,287 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:25:47,287 INFO L82 GeneralOperation]: Start isEquivalent. First operand 719 states. Second operand 272 states. [2020-07-08 22:25:47,287 INFO L74 IsIncluded]: Start isIncluded. First operand 719 states. Second operand 272 states. [2020-07-08 22:25:47,287 INFO L87 Difference]: Start difference. First operand 719 states. Second operand 272 states. [2020-07-08 22:25:47,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:47,308 INFO L93 Difference]: Finished difference Result 719 states and 779 transitions. [2020-07-08 22:25:47,308 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 779 transitions. [2020-07-08 22:25:47,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:25:47,310 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:25:47,310 INFO L74 IsIncluded]: Start isIncluded. First operand 272 states. Second operand 719 states. [2020-07-08 22:25:47,310 INFO L87 Difference]: Start difference. First operand 272 states. Second operand 719 states. [2020-07-08 22:25:47,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:47,340 INFO L93 Difference]: Finished difference Result 719 states and 779 transitions. [2020-07-08 22:25:47,340 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 779 transitions. [2020-07-08 22:25:47,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:25:47,341 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:25:47,341 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:25:47,342 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:25:47,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-07-08 22:25:47,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 297 transitions. [2020-07-08 22:25:47,348 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 297 transitions. Word has length 57 [2020-07-08 22:25:47,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:25:47,349 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 297 transitions. [2020-07-08 22:25:47,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-08 22:25:47,349 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 272 states and 297 transitions. [2020-07-08 22:25:48,432 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 297 edges. 297 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:48,432 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 297 transitions. [2020-07-08 22:25:48,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-08 22:25:48,433 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:25:48,433 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] [2020-07-08 22:25:48,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-08 22:25:48,434 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]=== [2020-07-08 22:25:48,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:25:48,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1939208096, now seen corresponding path program 1 times [2020-07-08 22:25:48,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:25:48,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [842480419] [2020-07-08 22:25:48,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:25:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:48,494 INFO L280 TraceCheckUtils]: 0: Hoare triple {23744#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {23736#true} is VALID [2020-07-08 22:25:48,494 INFO L280 TraceCheckUtils]: 1: Hoare triple {23736#true} #valid := #valid[0 := 0]; {23736#true} is VALID [2020-07-08 22:25:48,494 INFO L280 TraceCheckUtils]: 2: Hoare triple {23736#true} assume 0 < #StackHeapBarrier; {23736#true} is VALID [2020-07-08 22:25:48,494 INFO L280 TraceCheckUtils]: 3: Hoare triple {23736#true} assume true; {23736#true} is VALID [2020-07-08 22:25:48,494 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {23736#true} {23736#true} #419#return; {23736#true} is VALID [2020-07-08 22:25:48,496 INFO L263 TraceCheckUtils]: 0: Hoare triple {23736#true} call ULTIMATE.init(); {23744#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:25:48,497 INFO L280 TraceCheckUtils]: 1: Hoare triple {23744#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {23736#true} is VALID [2020-07-08 22:25:48,497 INFO L280 TraceCheckUtils]: 2: Hoare triple {23736#true} #valid := #valid[0 := 0]; {23736#true} is VALID [2020-07-08 22:25:48,497 INFO L280 TraceCheckUtils]: 3: Hoare triple {23736#true} assume 0 < #StackHeapBarrier; {23736#true} is VALID [2020-07-08 22:25:48,497 INFO L280 TraceCheckUtils]: 4: Hoare triple {23736#true} assume true; {23736#true} is VALID [2020-07-08 22:25:48,497 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {23736#true} {23736#true} #419#return; {23736#true} is VALID [2020-07-08 22:25:48,498 INFO L263 TraceCheckUtils]: 6: Hoare triple {23736#true} call #t~ret28 := main(); {23736#true} is VALID [2020-07-08 22:25:48,498 INFO L280 TraceCheckUtils]: 7: Hoare triple {23736#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {23736#true} is VALID [2020-07-08 22:25:48,498 INFO L280 TraceCheckUtils]: 8: Hoare triple {23736#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {23736#true} is VALID [2020-07-08 22:25:48,498 INFO L280 TraceCheckUtils]: 9: Hoare triple {23736#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {23736#true} is VALID [2020-07-08 22:25:48,498 INFO L280 TraceCheckUtils]: 10: Hoare triple {23736#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {23736#true} is VALID [2020-07-08 22:25:48,498 INFO L280 TraceCheckUtils]: 11: Hoare triple {23736#true} goto; {23736#true} is VALID [2020-07-08 22:25:48,499 INFO L280 TraceCheckUtils]: 12: Hoare triple {23736#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {23736#true} is VALID [2020-07-08 22:25:48,499 INFO L280 TraceCheckUtils]: 13: Hoare triple {23736#true} assume !(0 != #t~nondet1); {23736#true} is VALID [2020-07-08 22:25:48,499 INFO L280 TraceCheckUtils]: 14: Hoare triple {23736#true} havoc #t~nondet1; {23736#true} is VALID [2020-07-08 22:25:48,499 INFO L280 TraceCheckUtils]: 15: Hoare triple {23736#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8); srcloc: L993-10 {23736#true} is VALID [2020-07-08 22:25:48,499 INFO L280 TraceCheckUtils]: 16: Hoare triple {23736#true} SUMMARY for call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-11 {23736#true} is VALID [2020-07-08 22:25:48,499 INFO L280 TraceCheckUtils]: 17: Hoare triple {23736#true} SUMMARY for call #t~mem3.base, #t~mem3.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-12 {23736#true} is VALID [2020-07-08 22:25:48,500 INFO L280 TraceCheckUtils]: 18: Hoare triple {23736#true} SUMMARY for call write~$Pointer$(0, 0, #t~mem3.base, #t~mem3.offset, 4); srcloc: L993-13 {23736#true} is VALID [2020-07-08 22:25:48,500 INFO L280 TraceCheckUtils]: 19: Hoare triple {23736#true} havoc #t~mem3.base, #t~mem3.offset; {23736#true} is VALID [2020-07-08 22:25:48,500 INFO L280 TraceCheckUtils]: 20: Hoare triple {23736#true} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-15 {23736#true} is VALID [2020-07-08 22:25:48,500 INFO L280 TraceCheckUtils]: 21: Hoare triple {23736#true} SUMMARY for call write~$Pointer$(0, 0, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L993-16 {23736#true} is VALID [2020-07-08 22:25:48,500 INFO L280 TraceCheckUtils]: 22: Hoare triple {23736#true} havoc #t~mem4.base, #t~mem4.offset; {23736#true} is VALID [2020-07-08 22:25:48,501 INFO L280 TraceCheckUtils]: 23: Hoare triple {23736#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {23736#true} is VALID [2020-07-08 22:25:48,501 INFO L280 TraceCheckUtils]: 24: Hoare triple {23736#true} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {23736#true} is VALID [2020-07-08 22:25:48,501 INFO L280 TraceCheckUtils]: 25: Hoare triple {23736#true} assume #t~short7; {23736#true} is VALID [2020-07-08 22:25:48,501 INFO L280 TraceCheckUtils]: 26: Hoare triple {23736#true} assume !!#t~short7; {23736#true} is VALID [2020-07-08 22:25:48,501 INFO L280 TraceCheckUtils]: 27: Hoare triple {23736#true} havoc #t~mem6.base, #t~mem6.offset; {23736#true} is VALID [2020-07-08 22:25:48,501 INFO L280 TraceCheckUtils]: 28: Hoare triple {23736#true} havoc #t~mem5.base, #t~mem5.offset; {23736#true} is VALID [2020-07-08 22:25:48,502 INFO L280 TraceCheckUtils]: 29: Hoare triple {23736#true} havoc #t~short7; {23736#true} is VALID [2020-07-08 22:25:48,502 INFO L280 TraceCheckUtils]: 30: Hoare triple {23736#true} goto; {23736#true} is VALID [2020-07-08 22:25:48,502 INFO L280 TraceCheckUtils]: 31: Hoare triple {23736#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {23736#true} is VALID [2020-07-08 22:25:48,502 INFO L280 TraceCheckUtils]: 32: Hoare triple {23736#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {23736#true} is VALID [2020-07-08 22:25:48,502 INFO L280 TraceCheckUtils]: 33: Hoare triple {23736#true} assume !(0 != #t~nondet8); {23736#true} is VALID [2020-07-08 22:25:48,502 INFO L280 TraceCheckUtils]: 34: Hoare triple {23736#true} havoc #t~nondet8; {23736#true} is VALID [2020-07-08 22:25:48,503 INFO L280 TraceCheckUtils]: 35: Hoare triple {23736#true} ~end~0.base, ~end~0.offset := 0, 0; {23736#true} is VALID [2020-07-08 22:25:48,503 INFO L280 TraceCheckUtils]: 36: Hoare triple {23736#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {23736#true} is VALID [2020-07-08 22:25:48,503 INFO L280 TraceCheckUtils]: 37: Hoare triple {23736#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {23736#true} is VALID [2020-07-08 22:25:48,503 INFO L280 TraceCheckUtils]: 38: Hoare triple {23736#true} goto; {23736#true} is VALID [2020-07-08 22:25:48,503 INFO L280 TraceCheckUtils]: 39: Hoare triple {23736#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {23736#true} is VALID [2020-07-08 22:25:48,503 INFO L280 TraceCheckUtils]: 40: Hoare triple {23736#true} ~len~0 := 0; {23736#true} is VALID [2020-07-08 22:25:48,504 INFO L280 TraceCheckUtils]: 41: Hoare triple {23736#true} SUMMARY for call #t~mem18.base, #t~mem18.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1017 {23736#true} is VALID [2020-07-08 22:25:48,504 INFO L280 TraceCheckUtils]: 42: Hoare triple {23736#true} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {23736#true} is VALID [2020-07-08 22:25:48,504 INFO L280 TraceCheckUtils]: 43: Hoare triple {23736#true} havoc #t~mem18.base, #t~mem18.offset; {23736#true} is VALID [2020-07-08 22:25:48,504 INFO L280 TraceCheckUtils]: 44: Hoare triple {23736#true} assume !(0 != ~inner~0.base || 0 != ~inner~0.offset); {23736#true} is VALID [2020-07-08 22:25:48,504 INFO L280 TraceCheckUtils]: 45: Hoare triple {23736#true} assume !!(~len~0 <= 1); {23736#true} is VALID [2020-07-08 22:25:48,504 INFO L280 TraceCheckUtils]: 46: Hoare triple {23736#true} goto; {23736#true} is VALID [2020-07-08 22:25:48,505 INFO L280 TraceCheckUtils]: 47: Hoare triple {23736#true} SUMMARY for call #t~mem23.base, #t~mem23.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1031-4 {23736#true} is VALID [2020-07-08 22:25:48,505 INFO L280 TraceCheckUtils]: 48: Hoare triple {23736#true} ~end~0.base, ~end~0.offset := #t~mem23.base, #t~mem23.offset; {23736#true} is VALID [2020-07-08 22:25:48,505 INFO L280 TraceCheckUtils]: 49: Hoare triple {23736#true} havoc #t~mem23.base, #t~mem23.offset; {23736#true} is VALID [2020-07-08 22:25:48,505 INFO L280 TraceCheckUtils]: 50: Hoare triple {23736#true} assume !(0 != ~end~0.base || 0 != ~end~0.offset); {23736#true} is VALID [2020-07-08 22:25:48,505 INFO L280 TraceCheckUtils]: 51: Hoare triple {23736#true} assume !!(0 != ~list~0.base || 0 != ~list~0.offset); {23736#true} is VALID [2020-07-08 22:25:48,506 INFO L280 TraceCheckUtils]: 52: Hoare triple {23736#true} SUMMARY for call #t~mem24.base, #t~mem24.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L1039 {23736#true} is VALID [2020-07-08 22:25:48,506 INFO L280 TraceCheckUtils]: 53: Hoare triple {23736#true} ~end~0.base, ~end~0.offset := #t~mem24.base, #t~mem24.offset; {23736#true} is VALID [2020-07-08 22:25:48,506 INFO L280 TraceCheckUtils]: 54: Hoare triple {23736#true} havoc #t~mem24.base, #t~mem24.offset; {23736#true} is VALID [2020-07-08 22:25:48,507 INFO L280 TraceCheckUtils]: 55: Hoare triple {23736#true} assume 0 != ~end~0.base || 0 != ~end~0.offset; {23743#(or (not (= 0 main_~end~0.base)) (not (= 0 main_~end~0.offset)))} is VALID [2020-07-08 22:25:48,508 INFO L280 TraceCheckUtils]: 56: Hoare triple {23743#(or (not (= 0 main_~end~0.base)) (not (= 0 main_~end~0.offset)))} assume !(0 != ~end~0.base || 0 != ~end~0.offset); {23737#false} is VALID [2020-07-08 22:25:48,508 INFO L280 TraceCheckUtils]: 57: Hoare triple {23737#false} assume !false; {23737#false} is VALID [2020-07-08 22:25:48,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-08 22:25:48,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [842480419] [2020-07-08 22:25:48,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:25:48,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 22:25:48,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339427888] [2020-07-08 22:25:48,512 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-07-08 22:25:48,512 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:25:48,512 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 22:25:48,583 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:48,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 22:25:48,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:25:48,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 22:25:48,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 22:25:48,584 INFO L87 Difference]: Start difference. First operand 272 states and 297 transitions. Second operand 4 states. [2020-07-08 22:25:51,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:51,117 INFO L93 Difference]: Finished difference Result 277 states and 302 transitions. [2020-07-08 22:25:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-08 22:25:51,117 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-07-08 22:25:51,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:25:51,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 22:25:51,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 167 transitions. [2020-07-08 22:25:51,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 22:25:51,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 167 transitions. [2020-07-08 22:25:51,120 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 167 transitions. [2020-07-08 22:25:51,316 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:51,322 INFO L225 Difference]: With dead ends: 277 [2020-07-08 22:25:51,322 INFO L226 Difference]: Without dead ends: 275 [2020-07-08 22:25:51,322 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 [2020-07-08 22:25:51,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-07-08 22:25:53,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 270. [2020-07-08 22:25:53,356 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:25:53,356 INFO L82 GeneralOperation]: Start isEquivalent. First operand 275 states. Second operand 270 states. [2020-07-08 22:25:53,356 INFO L74 IsIncluded]: Start isIncluded. First operand 275 states. Second operand 270 states. [2020-07-08 22:25:53,356 INFO L87 Difference]: Start difference. First operand 275 states. Second operand 270 states. [2020-07-08 22:25:53,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:53,361 INFO L93 Difference]: Finished difference Result 275 states and 300 transitions. [2020-07-08 22:25:53,362 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 300 transitions. [2020-07-08 22:25:53,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:25:53,362 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:25:53,362 INFO L74 IsIncluded]: Start isIncluded. First operand 270 states. Second operand 275 states. [2020-07-08 22:25:53,362 INFO L87 Difference]: Start difference. First operand 270 states. Second operand 275 states. [2020-07-08 22:25:53,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:53,368 INFO L93 Difference]: Finished difference Result 275 states and 300 transitions. [2020-07-08 22:25:53,368 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 300 transitions. [2020-07-08 22:25:53,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:25:53,369 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:25:53,369 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:25:53,369 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:25:53,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-07-08 22:25:53,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 295 transitions. [2020-07-08 22:25:53,375 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 295 transitions. Word has length 58 [2020-07-08 22:25:53,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:25:53,375 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 295 transitions. [2020-07-08 22:25:53,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 22:25:53,375 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 270 states and 295 transitions. [2020-07-08 22:25:54,497 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 295 edges. 295 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:54,498 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 295 transitions. [2020-07-08 22:25:54,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-08 22:25:54,499 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:25:54,499 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] [2020-07-08 22:25:54,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-08 22:25:54,500 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]=== [2020-07-08 22:25:54,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:25:54,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1792411396, now seen corresponding path program 1 times [2020-07-08 22:25:54,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:25:54,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2108268728] [2020-07-08 22:25:54,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:25:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:25:54,626 INFO L280 TraceCheckUtils]: 0: Hoare triple {25402#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {25391#true} is VALID [2020-07-08 22:25:54,626 INFO L280 TraceCheckUtils]: 1: Hoare triple {25391#true} #valid := #valid[0 := 0]; {25391#true} is VALID [2020-07-08 22:25:54,627 INFO L280 TraceCheckUtils]: 2: Hoare triple {25391#true} assume 0 < #StackHeapBarrier; {25391#true} is VALID [2020-07-08 22:25:54,627 INFO L280 TraceCheckUtils]: 3: Hoare triple {25391#true} assume true; {25391#true} is VALID [2020-07-08 22:25:54,627 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {25391#true} {25391#true} #419#return; {25391#true} is VALID [2020-07-08 22:25:54,628 INFO L263 TraceCheckUtils]: 0: Hoare triple {25391#true} call ULTIMATE.init(); {25402#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:25:54,628 INFO L280 TraceCheckUtils]: 1: Hoare triple {25402#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {25391#true} is VALID [2020-07-08 22:25:54,628 INFO L280 TraceCheckUtils]: 2: Hoare triple {25391#true} #valid := #valid[0 := 0]; {25391#true} is VALID [2020-07-08 22:25:54,628 INFO L280 TraceCheckUtils]: 3: Hoare triple {25391#true} assume 0 < #StackHeapBarrier; {25391#true} is VALID [2020-07-08 22:25:54,629 INFO L280 TraceCheckUtils]: 4: Hoare triple {25391#true} assume true; {25391#true} is VALID [2020-07-08 22:25:54,629 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {25391#true} {25391#true} #419#return; {25391#true} is VALID [2020-07-08 22:25:54,629 INFO L263 TraceCheckUtils]: 6: Hoare triple {25391#true} call #t~ret28 := main(); {25391#true} is VALID [2020-07-08 22:25:54,629 INFO L280 TraceCheckUtils]: 7: Hoare triple {25391#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {25391#true} is VALID [2020-07-08 22:25:54,629 INFO L280 TraceCheckUtils]: 8: Hoare triple {25391#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {25391#true} is VALID [2020-07-08 22:25:54,630 INFO L280 TraceCheckUtils]: 9: Hoare triple {25391#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {25398#(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 [2020-07-08 22:25:54,631 INFO L280 TraceCheckUtils]: 10: Hoare triple {25398#(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); {25398#(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 [2020-07-08 22:25:54,632 INFO L280 TraceCheckUtils]: 11: Hoare triple {25398#(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; {25398#(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 [2020-07-08 22:25:54,633 INFO L280 TraceCheckUtils]: 12: Hoare triple {25398#(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; {25398#(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 [2020-07-08 22:25:54,633 INFO L280 TraceCheckUtils]: 13: Hoare triple {25398#(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; {25398#(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 [2020-07-08 22:25:54,634 INFO L280 TraceCheckUtils]: 14: Hoare triple {25398#(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; {25398#(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 [2020-07-08 22:25:54,635 INFO L280 TraceCheckUtils]: 15: Hoare triple {25398#(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 {25398#(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 [2020-07-08 22:25:54,636 INFO L280 TraceCheckUtils]: 16: Hoare triple {25398#(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 {25398#(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 [2020-07-08 22:25:54,637 INFO L280 TraceCheckUtils]: 17: Hoare triple {25398#(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; {25398#(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 [2020-07-08 22:25:54,638 INFO L280 TraceCheckUtils]: 18: Hoare triple {25398#(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; {25398#(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 [2020-07-08 22:25:54,639 INFO L280 TraceCheckUtils]: 19: Hoare triple {25398#(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 {25398#(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 [2020-07-08 22:25:54,640 INFO L280 TraceCheckUtils]: 20: Hoare triple {25398#(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; {25398#(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 [2020-07-08 22:25:54,641 INFO L280 TraceCheckUtils]: 21: Hoare triple {25398#(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; {25398#(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 [2020-07-08 22:25:54,641 INFO L280 TraceCheckUtils]: 22: Hoare triple {25398#(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; {25398#(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 [2020-07-08 22:25:54,642 INFO L280 TraceCheckUtils]: 23: Hoare triple {25398#(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; {25398#(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 [2020-07-08 22:25:54,643 INFO L280 TraceCheckUtils]: 24: Hoare triple {25398#(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; {25398#(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 [2020-07-08 22:25:54,644 INFO L280 TraceCheckUtils]: 25: Hoare triple {25398#(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; {25398#(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 [2020-07-08 22:25:54,644 INFO L280 TraceCheckUtils]: 26: Hoare triple {25398#(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; {25398#(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 [2020-07-08 22:25:54,645 INFO L280 TraceCheckUtils]: 27: Hoare triple {25398#(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; {25398#(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 [2020-07-08 22:25:54,646 INFO L280 TraceCheckUtils]: 28: Hoare triple {25398#(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); {25398#(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 [2020-07-08 22:25:54,647 INFO L280 TraceCheckUtils]: 29: Hoare triple {25398#(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; {25398#(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 [2020-07-08 22:25:54,647 INFO L280 TraceCheckUtils]: 30: Hoare triple {25398#(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; {25398#(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 [2020-07-08 22:25:54,648 INFO L280 TraceCheckUtils]: 31: Hoare triple {25398#(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; {25399#(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 [2020-07-08 22:25:54,650 INFO L280 TraceCheckUtils]: 32: Hoare triple {25399#(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); {25399#(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 [2020-07-08 22:25:54,650 INFO L280 TraceCheckUtils]: 33: Hoare triple {25399#(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; {25399#(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 [2020-07-08 22:25:54,651 INFO L280 TraceCheckUtils]: 34: Hoare triple {25399#(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); {25399#(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 [2020-07-08 22:25:54,652 INFO L280 TraceCheckUtils]: 35: Hoare triple {25399#(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; {25399#(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 [2020-07-08 22:25:54,653 INFO L280 TraceCheckUtils]: 36: Hoare triple {25399#(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 {25399#(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 [2020-07-08 22:25:54,653 INFO L280 TraceCheckUtils]: 37: Hoare triple {25399#(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; {25399#(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 [2020-07-08 22:25:54,654 INFO L280 TraceCheckUtils]: 38: Hoare triple {25399#(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; {25399#(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 [2020-07-08 22:25:54,655 INFO L280 TraceCheckUtils]: 39: Hoare triple {25399#(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); {25399#(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 [2020-07-08 22:25:54,656 INFO L280 TraceCheckUtils]: 40: Hoare triple {25399#(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); {25399#(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 [2020-07-08 22:25:54,656 INFO L280 TraceCheckUtils]: 41: Hoare triple {25399#(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; {25399#(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 [2020-07-08 22:25:54,657 INFO L280 TraceCheckUtils]: 42: Hoare triple {25399#(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 {25400#(and (= 0 |main_#t~mem23.base|) (= |main_#t~mem23.offset| 0))} is VALID [2020-07-08 22:25:54,658 INFO L280 TraceCheckUtils]: 43: Hoare triple {25400#(and (= 0 |main_#t~mem23.base|) (= |main_#t~mem23.offset| 0))} ~end~0.base, ~end~0.offset := #t~mem23.base, #t~mem23.offset; {25401#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} is VALID [2020-07-08 22:25:54,658 INFO L280 TraceCheckUtils]: 44: Hoare triple {25401#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} havoc #t~mem23.base, #t~mem23.offset; {25401#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} is VALID [2020-07-08 22:25:54,659 INFO L280 TraceCheckUtils]: 45: Hoare triple {25401#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {25392#false} is VALID [2020-07-08 22:25:54,659 INFO L280 TraceCheckUtils]: 46: Hoare triple {25392#false} ~len~0 := 0; {25392#false} is VALID [2020-07-08 22:25:54,659 INFO L280 TraceCheckUtils]: 47: Hoare triple {25392#false} SUMMARY for call #t~mem18.base, #t~mem18.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1017 {25392#false} is VALID [2020-07-08 22:25:54,660 INFO L280 TraceCheckUtils]: 48: Hoare triple {25392#false} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {25392#false} is VALID [2020-07-08 22:25:54,660 INFO L280 TraceCheckUtils]: 49: Hoare triple {25392#false} havoc #t~mem18.base, #t~mem18.offset; {25392#false} is VALID [2020-07-08 22:25:54,660 INFO L280 TraceCheckUtils]: 50: Hoare triple {25392#false} assume !!(0 != ~inner~0.base || 0 != ~inner~0.offset); {25392#false} is VALID [2020-07-08 22:25:54,660 INFO L280 TraceCheckUtils]: 51: Hoare triple {25392#false} assume 0 == ~len~0; {25392#false} is VALID [2020-07-08 22:25:54,660 INFO L280 TraceCheckUtils]: 52: Hoare triple {25392#false} ~len~0 := 1; {25392#false} is VALID [2020-07-08 22:25:54,660 INFO L280 TraceCheckUtils]: 53: Hoare triple {25392#false} assume !!(0 != ~inner~0.base || 0 != ~inner~0.offset); {25392#false} is VALID [2020-07-08 22:25:54,661 INFO L280 TraceCheckUtils]: 54: Hoare triple {25392#false} goto; {25392#false} is VALID [2020-07-08 22:25:54,661 INFO L280 TraceCheckUtils]: 55: Hoare triple {25392#false} SUMMARY for call #t~mem19.base, #t~mem19.offset := read~$Pointer$(~inner~0.base, 4 + ~inner~0.offset, 4); srcloc: L1025-6 {25392#false} is VALID [2020-07-08 22:25:54,661 INFO L280 TraceCheckUtils]: 56: Hoare triple {25392#false} assume !(0 == #t~mem19.base && 0 == #t~mem19.offset); {25392#false} is VALID [2020-07-08 22:25:54,661 INFO L280 TraceCheckUtils]: 57: Hoare triple {25392#false} havoc #t~mem19.base, #t~mem19.offset; {25392#false} is VALID [2020-07-08 22:25:54,661 INFO L280 TraceCheckUtils]: 58: Hoare triple {25392#false} assume !false; {25392#false} is VALID [2020-07-08 22:25:54,673 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:25:54,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2108268728] [2020-07-08 22:25:54,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:25:54,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-08 22:25:54,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575989284] [2020-07-08 22:25:54,677 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 59 [2020-07-08 22:25:54,678 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:25:54,678 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 22:25:54,743 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:54,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 22:25:54,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:25:54,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 22:25:54,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-08 22:25:54,744 INFO L87 Difference]: Start difference. First operand 270 states and 295 transitions. Second operand 7 states. [2020-07-08 22:25:58,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:25:58,714 INFO L93 Difference]: Finished difference Result 421 states and 458 transitions. [2020-07-08 22:25:58,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-08 22:25:58,714 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 59 [2020-07-08 22:25:58,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:25:58,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 22:25:58,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 313 transitions. [2020-07-08 22:25:58,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 22:25:58,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 313 transitions. [2020-07-08 22:25:58,719 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 313 transitions. [2020-07-08 22:25:59,089 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 313 edges. 313 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:25:59,097 INFO L225 Difference]: With dead ends: 421 [2020-07-08 22:25:59,097 INFO L226 Difference]: Without dead ends: 312 [2020-07-08 22:25:59,097 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 [2020-07-08 22:25:59,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-07-08 22:26:01,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 270. [2020-07-08 22:26:01,467 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:26:01,467 INFO L82 GeneralOperation]: Start isEquivalent. First operand 312 states. Second operand 270 states. [2020-07-08 22:26:01,467 INFO L74 IsIncluded]: Start isIncluded. First operand 312 states. Second operand 270 states. [2020-07-08 22:26:01,467 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 270 states. [2020-07-08 22:26:01,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:01,473 INFO L93 Difference]: Finished difference Result 312 states and 333 transitions. [2020-07-08 22:26:01,473 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 333 transitions. [2020-07-08 22:26:01,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:01,473 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:01,474 INFO L74 IsIncluded]: Start isIncluded. First operand 270 states. Second operand 312 states. [2020-07-08 22:26:01,474 INFO L87 Difference]: Start difference. First operand 270 states. Second operand 312 states. [2020-07-08 22:26:01,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:01,480 INFO L93 Difference]: Finished difference Result 312 states and 333 transitions. [2020-07-08 22:26:01,480 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 333 transitions. [2020-07-08 22:26:01,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:01,480 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:01,480 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:26:01,481 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:26:01,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-07-08 22:26:01,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 293 transitions. [2020-07-08 22:26:01,486 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 293 transitions. Word has length 59 [2020-07-08 22:26:01,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:26:01,486 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 293 transitions. [2020-07-08 22:26:01,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 22:26:01,486 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 270 states and 293 transitions. [2020-07-08 22:26:02,650 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 293 edges. 293 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:02,651 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 293 transitions. [2020-07-08 22:26:02,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-08 22:26:02,651 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:26:02,652 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] [2020-07-08 22:26:02,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-08 22:26:02,652 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]=== [2020-07-08 22:26:02,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:26:02,652 INFO L82 PathProgramCache]: Analyzing trace with hash -984681049, now seen corresponding path program 1 times [2020-07-08 22:26:02,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:26:02,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [773025767] [2020-07-08 22:26:02,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:26:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:03,126 INFO L280 TraceCheckUtils]: 0: Hoare triple {27439#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {27419#true} is VALID [2020-07-08 22:26:03,126 INFO L280 TraceCheckUtils]: 1: Hoare triple {27419#true} #valid := #valid[0 := 0]; {27419#true} is VALID [2020-07-08 22:26:03,127 INFO L280 TraceCheckUtils]: 2: Hoare triple {27419#true} assume 0 < #StackHeapBarrier; {27419#true} is VALID [2020-07-08 22:26:03,127 INFO L280 TraceCheckUtils]: 3: Hoare triple {27419#true} assume true; {27419#true} is VALID [2020-07-08 22:26:03,127 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {27419#true} {27419#true} #419#return; {27419#true} is VALID [2020-07-08 22:26:03,128 INFO L263 TraceCheckUtils]: 0: Hoare triple {27419#true} call ULTIMATE.init(); {27439#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:26:03,128 INFO L280 TraceCheckUtils]: 1: Hoare triple {27439#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {27419#true} is VALID [2020-07-08 22:26:03,128 INFO L280 TraceCheckUtils]: 2: Hoare triple {27419#true} #valid := #valid[0 := 0]; {27419#true} is VALID [2020-07-08 22:26:03,128 INFO L280 TraceCheckUtils]: 3: Hoare triple {27419#true} assume 0 < #StackHeapBarrier; {27419#true} is VALID [2020-07-08 22:26:03,129 INFO L280 TraceCheckUtils]: 4: Hoare triple {27419#true} assume true; {27419#true} is VALID [2020-07-08 22:26:03,129 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {27419#true} {27419#true} #419#return; {27419#true} is VALID [2020-07-08 22:26:03,129 INFO L263 TraceCheckUtils]: 6: Hoare triple {27419#true} call #t~ret28 := main(); {27419#true} is VALID [2020-07-08 22:26:03,130 INFO L280 TraceCheckUtils]: 7: Hoare triple {27419#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {27426#(= 1 (select |#valid| |main_#t~malloc0.base|))} is VALID [2020-07-08 22:26:03,131 INFO L280 TraceCheckUtils]: 8: Hoare triple {27426#(= 1 (select |#valid| |main_#t~malloc0.base|))} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {27427#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-08 22:26:03,132 INFO L280 TraceCheckUtils]: 9: Hoare triple {27427#(= 1 (select |#valid| main_~list~0.base))} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {27427#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-08 22:26:03,132 INFO L280 TraceCheckUtils]: 10: Hoare triple {27427#(= 1 (select |#valid| main_~list~0.base))} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {27427#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-08 22:26:03,133 INFO L280 TraceCheckUtils]: 11: Hoare triple {27427#(= 1 (select |#valid| main_~list~0.base))} goto; {27427#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-08 22:26:03,133 INFO L280 TraceCheckUtils]: 12: Hoare triple {27427#(= 1 (select |#valid| main_~list~0.base))} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {27427#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-08 22:26:03,134 INFO L280 TraceCheckUtils]: 13: Hoare triple {27427#(= 1 (select |#valid| main_~list~0.base))} assume !(0 != #t~nondet1); {27427#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-08 22:26:03,134 INFO L280 TraceCheckUtils]: 14: Hoare triple {27427#(= 1 (select |#valid| main_~list~0.base))} havoc #t~nondet1; {27427#(= 1 (select |#valid| main_~list~0.base))} is VALID [2020-07-08 22:26:03,135 INFO L280 TraceCheckUtils]: 15: Hoare triple {27427#(= 1 (select |#valid| main_~list~0.base))} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8); srcloc: L993-10 {27428#(and (= 0 |main_#t~malloc2.offset|) (not (= |main_#t~malloc2.base| main_~list~0.base)))} is VALID [2020-07-08 22:26:03,136 INFO L280 TraceCheckUtils]: 16: Hoare triple {27428#(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 {27429#(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 [2020-07-08 22:26:03,142 INFO L280 TraceCheckUtils]: 17: Hoare triple {27429#(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 {27430#(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 [2020-07-08 22:26:03,143 INFO L280 TraceCheckUtils]: 18: Hoare triple {27430#(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 {27429#(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 [2020-07-08 22:26:03,144 INFO L280 TraceCheckUtils]: 19: Hoare triple {27429#(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; {27429#(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 [2020-07-08 22:26:03,145 INFO L280 TraceCheckUtils]: 20: Hoare triple {27429#(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 {27431#(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 [2020-07-08 22:26:03,146 INFO L280 TraceCheckUtils]: 21: Hoare triple {27431#(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 {27432#(= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4)))} is VALID [2020-07-08 22:26:03,146 INFO L280 TraceCheckUtils]: 22: Hoare triple {27432#(= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4)))} havoc #t~mem4.base, #t~mem4.offset; {27432#(= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) (+ main_~list~0.offset 4)))} is VALID [2020-07-08 22:26:03,147 INFO L280 TraceCheckUtils]: 23: Hoare triple {27432#(= 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 {27433#(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 [2020-07-08 22:26:03,148 INFO L280 TraceCheckUtils]: 24: Hoare triple {27433#(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; {27434#(or (not |main_#t~short7|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)))))} is VALID [2020-07-08 22:26:03,149 INFO L280 TraceCheckUtils]: 25: Hoare triple {27434#(or (not |main_#t~short7|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4)))))} assume #t~short7; {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-08 22:26:03,149 INFO L280 TraceCheckUtils]: 26: Hoare triple {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} assume !!#t~short7; {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-08 22:26:03,150 INFO L280 TraceCheckUtils]: 27: Hoare triple {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} havoc #t~mem6.base, #t~mem6.offset; {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-08 22:26:03,150 INFO L280 TraceCheckUtils]: 28: Hoare triple {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} havoc #t~mem5.base, #t~mem5.offset; {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-08 22:26:03,151 INFO L280 TraceCheckUtils]: 29: Hoare triple {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} havoc #t~short7; {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-08 22:26:03,151 INFO L280 TraceCheckUtils]: 30: Hoare triple {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} goto; {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-08 22:26:03,152 INFO L280 TraceCheckUtils]: 31: Hoare triple {27435#(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; {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-08 22:26:03,152 INFO L280 TraceCheckUtils]: 32: Hoare triple {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-08 22:26:03,153 INFO L280 TraceCheckUtils]: 33: Hoare triple {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} assume !(0 != #t~nondet8); {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-08 22:26:03,153 INFO L280 TraceCheckUtils]: 34: Hoare triple {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} havoc #t~nondet8; {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-08 22:26:03,154 INFO L280 TraceCheckUtils]: 35: Hoare triple {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} ~end~0.base, ~end~0.offset := 0, 0; {27435#(not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) (+ main_~list~0.offset 4))))} is VALID [2020-07-08 22:26:03,155 INFO L280 TraceCheckUtils]: 36: Hoare triple {27435#(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; {27436#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4)))) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)))} is VALID [2020-07-08 22:26:03,155 INFO L280 TraceCheckUtils]: 37: Hoare triple {27436#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4)))) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {27436#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4)))) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)))} is VALID [2020-07-08 22:26:03,156 INFO L280 TraceCheckUtils]: 38: Hoare triple {27436#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4)))) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)))} goto; {27436#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4)))) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)))} is VALID [2020-07-08 22:26:03,157 INFO L280 TraceCheckUtils]: 39: Hoare triple {27436#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4)))) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {27436#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4)))) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)))} is VALID [2020-07-08 22:26:03,158 INFO L280 TraceCheckUtils]: 40: Hoare triple {27436#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4)))) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)))} ~len~0 := 0; {27436#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4)))) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)))} is VALID [2020-07-08 22:26:03,159 INFO L280 TraceCheckUtils]: 41: Hoare triple {27436#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) (+ main_~end~0.offset 4)))) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)))} SUMMARY for call #t~mem18.base, #t~mem18.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1017 {27437#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 |main_#t~mem18.base|)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)))} is VALID [2020-07-08 22:26:03,160 INFO L280 TraceCheckUtils]: 42: Hoare triple {27437#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 |main_#t~mem18.base|)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)))} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {27438#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~inner~0.base)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)))} is VALID [2020-07-08 22:26:03,161 INFO L280 TraceCheckUtils]: 43: Hoare triple {27438#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~inner~0.base)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)))} havoc #t~mem18.base, #t~mem18.offset; {27438#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~inner~0.base)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)))} is VALID [2020-07-08 22:26:03,161 INFO L280 TraceCheckUtils]: 44: Hoare triple {27438#(and (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~inner~0.base)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)))} assume !(0 != ~inner~0.base || 0 != ~inner~0.offset); {27420#false} is VALID [2020-07-08 22:26:03,161 INFO L280 TraceCheckUtils]: 45: Hoare triple {27420#false} assume !!(~len~0 <= 1); {27420#false} is VALID [2020-07-08 22:26:03,161 INFO L280 TraceCheckUtils]: 46: Hoare triple {27420#false} goto; {27420#false} is VALID [2020-07-08 22:26:03,162 INFO L280 TraceCheckUtils]: 47: Hoare triple {27420#false} SUMMARY for call #t~mem23.base, #t~mem23.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1031-4 {27420#false} is VALID [2020-07-08 22:26:03,162 INFO L280 TraceCheckUtils]: 48: Hoare triple {27420#false} ~end~0.base, ~end~0.offset := #t~mem23.base, #t~mem23.offset; {27420#false} is VALID [2020-07-08 22:26:03,162 INFO L280 TraceCheckUtils]: 49: Hoare triple {27420#false} havoc #t~mem23.base, #t~mem23.offset; {27420#false} is VALID [2020-07-08 22:26:03,162 INFO L280 TraceCheckUtils]: 50: Hoare triple {27420#false} assume !(0 != ~end~0.base || 0 != ~end~0.offset); {27420#false} is VALID [2020-07-08 22:26:03,162 INFO L280 TraceCheckUtils]: 51: Hoare triple {27420#false} assume !!(0 != ~list~0.base || 0 != ~list~0.offset); {27420#false} is VALID [2020-07-08 22:26:03,162 INFO L280 TraceCheckUtils]: 52: Hoare triple {27420#false} SUMMARY for call #t~mem24.base, #t~mem24.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L1039 {27420#false} is VALID [2020-07-08 22:26:03,163 INFO L280 TraceCheckUtils]: 53: Hoare triple {27420#false} ~end~0.base, ~end~0.offset := #t~mem24.base, #t~mem24.offset; {27420#false} is VALID [2020-07-08 22:26:03,163 INFO L280 TraceCheckUtils]: 54: Hoare triple {27420#false} havoc #t~mem24.base, #t~mem24.offset; {27420#false} is VALID [2020-07-08 22:26:03,163 INFO L280 TraceCheckUtils]: 55: Hoare triple {27420#false} assume 0 != ~end~0.base || 0 != ~end~0.offset; {27420#false} is VALID [2020-07-08 22:26:03,163 INFO L280 TraceCheckUtils]: 56: Hoare triple {27420#false} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {27420#false} is VALID [2020-07-08 22:26:03,163 INFO L280 TraceCheckUtils]: 57: Hoare triple {27420#false} goto; {27420#false} is VALID [2020-07-08 22:26:03,164 INFO L280 TraceCheckUtils]: 58: Hoare triple {27420#false} SUMMARY for call #t~mem25.base, #t~mem25.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1044-6 {27420#false} is VALID [2020-07-08 22:26:03,164 INFO L280 TraceCheckUtils]: 59: Hoare triple {27420#false} assume !(0 == #t~mem25.base && 0 == #t~mem25.offset); {27420#false} is VALID [2020-07-08 22:26:03,164 INFO L280 TraceCheckUtils]: 60: Hoare triple {27420#false} havoc #t~mem25.base, #t~mem25.offset; {27420#false} is VALID [2020-07-08 22:26:03,164 INFO L280 TraceCheckUtils]: 61: Hoare triple {27420#false} assume !false; {27420#false} is VALID [2020-07-08 22:26:03,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:26:03,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [773025767] [2020-07-08 22:26:03,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:26:03,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-07-08 22:26:03,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211618410] [2020-07-08 22:26:03,173 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 62 [2020-07-08 22:26:03,174 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:26:03,174 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states. [2020-07-08 22:26:03,247 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:03,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-08 22:26:03,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:26:03,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-08 22:26:03,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-07-08 22:26:03,248 INFO L87 Difference]: Start difference. First operand 270 states and 293 transitions. Second operand 16 states. [2020-07-08 22:26:14,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:14,208 INFO L93 Difference]: Finished difference Result 682 states and 727 transitions. [2020-07-08 22:26:14,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-08 22:26:14,208 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 62 [2020-07-08 22:26:14,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:26:14,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-08 22:26:14,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 636 transitions. [2020-07-08 22:26:14,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-08 22:26:14,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 636 transitions. [2020-07-08 22:26:14,221 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 636 transitions. [2020-07-08 22:26:15,101 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 636 edges. 636 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:15,123 INFO L225 Difference]: With dead ends: 682 [2020-07-08 22:26:15,123 INFO L226 Difference]: Without dead ends: 648 [2020-07-08 22:26:15,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=302, Invalid=958, Unknown=0, NotChecked=0, Total=1260 [2020-07-08 22:26:15,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2020-07-08 22:26:17,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 269. [2020-07-08 22:26:17,404 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:26:17,404 INFO L82 GeneralOperation]: Start isEquivalent. First operand 648 states. Second operand 269 states. [2020-07-08 22:26:17,404 INFO L74 IsIncluded]: Start isIncluded. First operand 648 states. Second operand 269 states. [2020-07-08 22:26:17,404 INFO L87 Difference]: Start difference. First operand 648 states. Second operand 269 states. [2020-07-08 22:26:17,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:17,423 INFO L93 Difference]: Finished difference Result 648 states and 691 transitions. [2020-07-08 22:26:17,424 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 691 transitions. [2020-07-08 22:26:17,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:17,425 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:17,425 INFO L74 IsIncluded]: Start isIncluded. First operand 269 states. Second operand 648 states. [2020-07-08 22:26:17,425 INFO L87 Difference]: Start difference. First operand 269 states. Second operand 648 states. [2020-07-08 22:26:17,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:17,446 INFO L93 Difference]: Finished difference Result 648 states and 691 transitions. [2020-07-08 22:26:17,446 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 691 transitions. [2020-07-08 22:26:17,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:17,447 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:17,447 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:26:17,447 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:26:17,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-07-08 22:26:17,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 291 transitions. [2020-07-08 22:26:17,451 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 291 transitions. Word has length 62 [2020-07-08 22:26:17,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:26:17,451 INFO L479 AbstractCegarLoop]: Abstraction has 269 states and 291 transitions. [2020-07-08 22:26:17,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-08 22:26:17,451 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 269 states and 291 transitions. [2020-07-08 22:26:18,679 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 291 edges. 291 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:18,680 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 291 transitions. [2020-07-08 22:26:18,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-08 22:26:18,681 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:26:18,681 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] [2020-07-08 22:26:18,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-08 22:26:18,681 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]=== [2020-07-08 22:26:18,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:26:18,681 INFO L82 PathProgramCache]: Analyzing trace with hash -649286859, now seen corresponding path program 1 times [2020-07-08 22:26:18,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:26:18,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1163570867] [2020-07-08 22:26:18,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:26:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:18,730 INFO L280 TraceCheckUtils]: 0: Hoare triple {30688#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {30680#true} is VALID [2020-07-08 22:26:18,731 INFO L280 TraceCheckUtils]: 1: Hoare triple {30680#true} #valid := #valid[0 := 0]; {30680#true} is VALID [2020-07-08 22:26:18,731 INFO L280 TraceCheckUtils]: 2: Hoare triple {30680#true} assume 0 < #StackHeapBarrier; {30680#true} is VALID [2020-07-08 22:26:18,731 INFO L280 TraceCheckUtils]: 3: Hoare triple {30680#true} assume true; {30680#true} is VALID [2020-07-08 22:26:18,731 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {30680#true} {30680#true} #419#return; {30680#true} is VALID [2020-07-08 22:26:18,732 INFO L263 TraceCheckUtils]: 0: Hoare triple {30680#true} call ULTIMATE.init(); {30688#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:26:18,732 INFO L280 TraceCheckUtils]: 1: Hoare triple {30688#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {30680#true} is VALID [2020-07-08 22:26:18,732 INFO L280 TraceCheckUtils]: 2: Hoare triple {30680#true} #valid := #valid[0 := 0]; {30680#true} is VALID [2020-07-08 22:26:18,733 INFO L280 TraceCheckUtils]: 3: Hoare triple {30680#true} assume 0 < #StackHeapBarrier; {30680#true} is VALID [2020-07-08 22:26:18,733 INFO L280 TraceCheckUtils]: 4: Hoare triple {30680#true} assume true; {30680#true} is VALID [2020-07-08 22:26:18,733 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {30680#true} {30680#true} #419#return; {30680#true} is VALID [2020-07-08 22:26:18,733 INFO L263 TraceCheckUtils]: 6: Hoare triple {30680#true} call #t~ret28 := main(); {30680#true} is VALID [2020-07-08 22:26:18,733 INFO L280 TraceCheckUtils]: 7: Hoare triple {30680#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {30680#true} is VALID [2020-07-08 22:26:18,733 INFO L280 TraceCheckUtils]: 8: Hoare triple {30680#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {30680#true} is VALID [2020-07-08 22:26:18,734 INFO L280 TraceCheckUtils]: 9: Hoare triple {30680#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {30680#true} is VALID [2020-07-08 22:26:18,734 INFO L280 TraceCheckUtils]: 10: Hoare triple {30680#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {30680#true} is VALID [2020-07-08 22:26:18,734 INFO L280 TraceCheckUtils]: 11: Hoare triple {30680#true} goto; {30680#true} is VALID [2020-07-08 22:26:18,734 INFO L280 TraceCheckUtils]: 12: Hoare triple {30680#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {30680#true} is VALID [2020-07-08 22:26:18,734 INFO L280 TraceCheckUtils]: 13: Hoare triple {30680#true} assume !(0 != #t~nondet1); {30680#true} is VALID [2020-07-08 22:26:18,735 INFO L280 TraceCheckUtils]: 14: Hoare triple {30680#true} havoc #t~nondet1; {30680#true} is VALID [2020-07-08 22:26:18,735 INFO L280 TraceCheckUtils]: 15: Hoare triple {30680#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(8); srcloc: L993-10 {30680#true} is VALID [2020-07-08 22:26:18,735 INFO L280 TraceCheckUtils]: 16: Hoare triple {30680#true} SUMMARY for call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-11 {30680#true} is VALID [2020-07-08 22:26:18,735 INFO L280 TraceCheckUtils]: 17: Hoare triple {30680#true} SUMMARY for call #t~mem3.base, #t~mem3.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-12 {30680#true} is VALID [2020-07-08 22:26:18,735 INFO L280 TraceCheckUtils]: 18: Hoare triple {30680#true} SUMMARY for call write~$Pointer$(0, 0, #t~mem3.base, #t~mem3.offset, 4); srcloc: L993-13 {30680#true} is VALID [2020-07-08 22:26:18,736 INFO L280 TraceCheckUtils]: 19: Hoare triple {30680#true} havoc #t~mem3.base, #t~mem3.offset; {30680#true} is VALID [2020-07-08 22:26:18,736 INFO L280 TraceCheckUtils]: 20: Hoare triple {30680#true} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-15 {30680#true} is VALID [2020-07-08 22:26:18,736 INFO L280 TraceCheckUtils]: 21: Hoare triple {30680#true} SUMMARY for call write~$Pointer$(0, 0, #t~mem4.base, 4 + #t~mem4.offset, 4); srcloc: L993-16 {30680#true} is VALID [2020-07-08 22:26:18,736 INFO L280 TraceCheckUtils]: 22: Hoare triple {30680#true} havoc #t~mem4.base, #t~mem4.offset; {30680#true} is VALID [2020-07-08 22:26:18,736 INFO L280 TraceCheckUtils]: 23: Hoare triple {30680#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {30680#true} is VALID [2020-07-08 22:26:18,736 INFO L280 TraceCheckUtils]: 24: Hoare triple {30680#true} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {30680#true} is VALID [2020-07-08 22:26:18,737 INFO L280 TraceCheckUtils]: 25: Hoare triple {30680#true} assume #t~short7; {30680#true} is VALID [2020-07-08 22:26:18,737 INFO L280 TraceCheckUtils]: 26: Hoare triple {30680#true} assume !!#t~short7; {30680#true} is VALID [2020-07-08 22:26:18,737 INFO L280 TraceCheckUtils]: 27: Hoare triple {30680#true} havoc #t~mem6.base, #t~mem6.offset; {30680#true} is VALID [2020-07-08 22:26:18,737 INFO L280 TraceCheckUtils]: 28: Hoare triple {30680#true} havoc #t~mem5.base, #t~mem5.offset; {30680#true} is VALID [2020-07-08 22:26:18,737 INFO L280 TraceCheckUtils]: 29: Hoare triple {30680#true} havoc #t~short7; {30680#true} is VALID [2020-07-08 22:26:18,738 INFO L280 TraceCheckUtils]: 30: Hoare triple {30680#true} goto; {30680#true} is VALID [2020-07-08 22:26:18,738 INFO L280 TraceCheckUtils]: 31: Hoare triple {30680#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {30680#true} is VALID [2020-07-08 22:26:18,738 INFO L280 TraceCheckUtils]: 32: Hoare triple {30680#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {30680#true} is VALID [2020-07-08 22:26:18,738 INFO L280 TraceCheckUtils]: 33: Hoare triple {30680#true} assume !(0 != #t~nondet8); {30680#true} is VALID [2020-07-08 22:26:18,738 INFO L280 TraceCheckUtils]: 34: Hoare triple {30680#true} havoc #t~nondet8; {30680#true} is VALID [2020-07-08 22:26:18,738 INFO L280 TraceCheckUtils]: 35: Hoare triple {30680#true} ~end~0.base, ~end~0.offset := 0, 0; {30680#true} is VALID [2020-07-08 22:26:18,739 INFO L280 TraceCheckUtils]: 36: Hoare triple {30680#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {30680#true} is VALID [2020-07-08 22:26:18,739 INFO L280 TraceCheckUtils]: 37: Hoare triple {30680#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {30680#true} is VALID [2020-07-08 22:26:18,739 INFO L280 TraceCheckUtils]: 38: Hoare triple {30680#true} goto; {30680#true} is VALID [2020-07-08 22:26:18,739 INFO L280 TraceCheckUtils]: 39: Hoare triple {30680#true} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {30680#true} is VALID [2020-07-08 22:26:18,739 INFO L280 TraceCheckUtils]: 40: Hoare triple {30680#true} ~len~0 := 0; {30680#true} is VALID [2020-07-08 22:26:18,739 INFO L280 TraceCheckUtils]: 41: Hoare triple {30680#true} SUMMARY for call #t~mem18.base, #t~mem18.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1017 {30680#true} is VALID [2020-07-08 22:26:18,740 INFO L280 TraceCheckUtils]: 42: Hoare triple {30680#true} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {30680#true} is VALID [2020-07-08 22:26:18,740 INFO L280 TraceCheckUtils]: 43: Hoare triple {30680#true} havoc #t~mem18.base, #t~mem18.offset; {30680#true} is VALID [2020-07-08 22:26:18,740 INFO L280 TraceCheckUtils]: 44: Hoare triple {30680#true} assume !!(0 != ~inner~0.base || 0 != ~inner~0.offset); {30680#true} is VALID [2020-07-08 22:26:18,740 INFO L280 TraceCheckUtils]: 45: Hoare triple {30680#true} assume 0 == ~len~0; {30680#true} is VALID [2020-07-08 22:26:18,746 INFO L280 TraceCheckUtils]: 46: Hoare triple {30680#true} ~len~0 := 1; {30687#(= 1 main_~len~0)} is VALID [2020-07-08 22:26:18,746 INFO L280 TraceCheckUtils]: 47: Hoare triple {30687#(= 1 main_~len~0)} assume !!(0 != ~inner~0.base || 0 != ~inner~0.offset); {30687#(= 1 main_~len~0)} is VALID [2020-07-08 22:26:18,747 INFO L280 TraceCheckUtils]: 48: Hoare triple {30687#(= 1 main_~len~0)} goto; {30687#(= 1 main_~len~0)} is VALID [2020-07-08 22:26:18,747 INFO L280 TraceCheckUtils]: 49: Hoare triple {30687#(= 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 {30687#(= 1 main_~len~0)} is VALID [2020-07-08 22:26:18,748 INFO L280 TraceCheckUtils]: 50: Hoare triple {30687#(= 1 main_~len~0)} assume !!(0 == #t~mem19.base && 0 == #t~mem19.offset); {30687#(= 1 main_~len~0)} is VALID [2020-07-08 22:26:18,748 INFO L280 TraceCheckUtils]: 51: Hoare triple {30687#(= 1 main_~len~0)} havoc #t~mem19.base, #t~mem19.offset; {30687#(= 1 main_~len~0)} is VALID [2020-07-08 22:26:18,749 INFO L280 TraceCheckUtils]: 52: Hoare triple {30687#(= 1 main_~len~0)} goto; {30687#(= 1 main_~len~0)} is VALID [2020-07-08 22:26:18,749 INFO L280 TraceCheckUtils]: 53: Hoare triple {30687#(= 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 {30687#(= 1 main_~len~0)} is VALID [2020-07-08 22:26:18,750 INFO L280 TraceCheckUtils]: 54: Hoare triple {30687#(= 1 main_~len~0)} assume !!(0 == #t~mem20.base && 0 == #t~mem20.offset); {30687#(= 1 main_~len~0)} is VALID [2020-07-08 22:26:18,750 INFO L280 TraceCheckUtils]: 55: Hoare triple {30687#(= 1 main_~len~0)} havoc #t~mem20.base, #t~mem20.offset; {30687#(= 1 main_~len~0)} is VALID [2020-07-08 22:26:18,751 INFO L280 TraceCheckUtils]: 56: Hoare triple {30687#(= 1 main_~len~0)} goto; {30687#(= 1 main_~len~0)} is VALID [2020-07-08 22:26:18,751 INFO L280 TraceCheckUtils]: 57: Hoare triple {30687#(= 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 {30687#(= 1 main_~len~0)} is VALID [2020-07-08 22:26:18,752 INFO L280 TraceCheckUtils]: 58: Hoare triple {30687#(= 1 main_~len~0)} ~inner~0.base, ~inner~0.offset := #t~mem21.base, #t~mem21.offset; {30687#(= 1 main_~len~0)} is VALID [2020-07-08 22:26:18,752 INFO L280 TraceCheckUtils]: 59: Hoare triple {30687#(= 1 main_~len~0)} havoc #t~mem21.base, #t~mem21.offset; {30687#(= 1 main_~len~0)} is VALID [2020-07-08 22:26:18,753 INFO L280 TraceCheckUtils]: 60: Hoare triple {30687#(= 1 main_~len~0)} assume !(1 == ~len~0); {30681#false} is VALID [2020-07-08 22:26:18,753 INFO L280 TraceCheckUtils]: 61: Hoare triple {30681#false} assume !(0 != ~inner~0.base || 0 != ~inner~0.offset); {30681#false} is VALID [2020-07-08 22:26:18,753 INFO L280 TraceCheckUtils]: 62: Hoare triple {30681#false} assume !(~len~0 <= 1); {30681#false} is VALID [2020-07-08 22:26:18,753 INFO L280 TraceCheckUtils]: 63: Hoare triple {30681#false} assume !false; {30681#false} is VALID [2020-07-08 22:26:18,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:26:18,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1163570867] [2020-07-08 22:26:18,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:26:18,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 22:26:18,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655800311] [2020-07-08 22:26:18,757 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2020-07-08 22:26:18,758 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:26:18,758 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 22:26:18,819 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:18,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 22:26:18,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:26:18,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 22:26:18,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 22:26:18,821 INFO L87 Difference]: Start difference. First operand 269 states and 291 transitions. Second operand 4 states. [2020-07-08 22:26:22,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:22,599 INFO L93 Difference]: Finished difference Result 447 states and 493 transitions. [2020-07-08 22:26:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-08 22:26:22,599 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2020-07-08 22:26:22,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:26:22,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 22:26:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 290 transitions. [2020-07-08 22:26:22,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 22:26:22,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 290 transitions. [2020-07-08 22:26:22,606 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 290 transitions. [2020-07-08 22:26:22,901 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 290 edges. 290 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:22,910 INFO L225 Difference]: With dead ends: 447 [2020-07-08 22:26:22,910 INFO L226 Difference]: Without dead ends: 350 [2020-07-08 22:26:22,911 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 [2020-07-08 22:26:22,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-07-08 22:26:25,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 302. [2020-07-08 22:26:25,754 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:26:25,754 INFO L82 GeneralOperation]: Start isEquivalent. First operand 350 states. Second operand 302 states. [2020-07-08 22:26:25,754 INFO L74 IsIncluded]: Start isIncluded. First operand 350 states. Second operand 302 states. [2020-07-08 22:26:25,754 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 302 states. [2020-07-08 22:26:25,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:25,762 INFO L93 Difference]: Finished difference Result 350 states and 378 transitions. [2020-07-08 22:26:25,762 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 378 transitions. [2020-07-08 22:26:25,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:25,763 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:25,763 INFO L74 IsIncluded]: Start isIncluded. First operand 302 states. Second operand 350 states. [2020-07-08 22:26:25,763 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 350 states. [2020-07-08 22:26:25,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:25,771 INFO L93 Difference]: Finished difference Result 350 states and 378 transitions. [2020-07-08 22:26:25,771 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 378 transitions. [2020-07-08 22:26:25,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:25,772 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:25,772 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:26:25,772 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:26:25,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-07-08 22:26:25,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 330 transitions. [2020-07-08 22:26:25,778 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 330 transitions. Word has length 64 [2020-07-08 22:26:25,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:26:25,778 INFO L479 AbstractCegarLoop]: Abstraction has 302 states and 330 transitions. [2020-07-08 22:26:25,778 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 22:26:25,778 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 302 states and 330 transitions. [2020-07-08 22:26:27,303 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 330 edges. 330 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 330 transitions. [2020-07-08 22:26:27,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-08 22:26:27,304 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:26:27,305 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] [2020-07-08 22:26:27,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-07-08 22:26:27,305 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]=== [2020-07-08 22:26:27,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:26:27,305 INFO L82 PathProgramCache]: Analyzing trace with hash -201437452, now seen corresponding path program 1 times [2020-07-08 22:26:27,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:26:27,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1205524698] [2020-07-08 22:26:27,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:26:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:26:27,565 INFO L280 TraceCheckUtils]: 0: Hoare triple {32903#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {32889#true} is VALID [2020-07-08 22:26:27,565 INFO L280 TraceCheckUtils]: 1: Hoare triple {32889#true} #valid := #valid[0 := 0]; {32889#true} is VALID [2020-07-08 22:26:27,565 INFO L280 TraceCheckUtils]: 2: Hoare triple {32889#true} assume 0 < #StackHeapBarrier; {32889#true} is VALID [2020-07-08 22:26:27,566 INFO L280 TraceCheckUtils]: 3: Hoare triple {32889#true} assume true; {32889#true} is VALID [2020-07-08 22:26:27,566 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {32889#true} {32889#true} #419#return; {32889#true} is VALID [2020-07-08 22:26:27,568 INFO L263 TraceCheckUtils]: 0: Hoare triple {32889#true} call ULTIMATE.init(); {32903#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:26:27,568 INFO L280 TraceCheckUtils]: 1: Hoare triple {32903#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {32889#true} is VALID [2020-07-08 22:26:27,568 INFO L280 TraceCheckUtils]: 2: Hoare triple {32889#true} #valid := #valid[0 := 0]; {32889#true} is VALID [2020-07-08 22:26:27,569 INFO L280 TraceCheckUtils]: 3: Hoare triple {32889#true} assume 0 < #StackHeapBarrier; {32889#true} is VALID [2020-07-08 22:26:27,569 INFO L280 TraceCheckUtils]: 4: Hoare triple {32889#true} assume true; {32889#true} is VALID [2020-07-08 22:26:27,569 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {32889#true} {32889#true} #419#return; {32889#true} is VALID [2020-07-08 22:26:27,569 INFO L263 TraceCheckUtils]: 6: Hoare triple {32889#true} call #t~ret28 := main(); {32889#true} is VALID [2020-07-08 22:26:27,570 INFO L280 TraceCheckUtils]: 7: Hoare triple {32889#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(8); srcloc: mainENTRY {32889#true} is VALID [2020-07-08 22:26:27,570 INFO L280 TraceCheckUtils]: 8: Hoare triple {32889#true} ~list~0.base, ~list~0.offset := #t~malloc0.base, #t~malloc0.offset; {32889#true} is VALID [2020-07-08 22:26:27,570 INFO L280 TraceCheckUtils]: 9: Hoare triple {32889#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, ~list~0.offset, 4); srcloc: L992 {32889#true} is VALID [2020-07-08 22:26:27,571 INFO L280 TraceCheckUtils]: 10: Hoare triple {32889#true} assume !!(~list~0.base != 0 || ~list~0.offset != 0); {32889#true} is VALID [2020-07-08 22:26:27,571 INFO L280 TraceCheckUtils]: 11: Hoare triple {32889#true} goto; {32889#true} is VALID [2020-07-08 22:26:27,571 INFO L280 TraceCheckUtils]: 12: Hoare triple {32889#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {32889#true} is VALID [2020-07-08 22:26:27,572 INFO L280 TraceCheckUtils]: 13: Hoare triple {32889#true} assume 0 != #t~nondet1; {32889#true} is VALID [2020-07-08 22:26:27,572 INFO L280 TraceCheckUtils]: 14: Hoare triple {32889#true} havoc #t~nondet1; {32889#true} is VALID [2020-07-08 22:26:27,572 INFO L280 TraceCheckUtils]: 15: Hoare triple {32889#true} SUMMARY for call write~$Pointer$(0, 0, ~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-7 {32889#true} is VALID [2020-07-08 22:26:27,572 INFO L280 TraceCheckUtils]: 16: Hoare triple {32889#true} SUMMARY for call #t~mem5.base, #t~mem5.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-34 {32889#true} is VALID [2020-07-08 22:26:27,573 INFO L280 TraceCheckUtils]: 17: Hoare triple {32889#true} #t~short7 := #t~mem5.base != 0 || #t~mem5.offset != 0; {32889#true} is VALID [2020-07-08 22:26:27,573 INFO L280 TraceCheckUtils]: 18: Hoare triple {32889#true} assume !#t~short7; {32889#true} is VALID [2020-07-08 22:26:27,573 INFO L280 TraceCheckUtils]: 19: Hoare triple {32889#true} SUMMARY for call #t~mem6.base, #t~mem6.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L993-22 {32889#true} is VALID [2020-07-08 22:26:27,574 INFO L280 TraceCheckUtils]: 20: Hoare triple {32889#true} #t~short7 := #t~mem6.base == 0 && #t~mem6.offset == 0; {32889#true} is VALID [2020-07-08 22:26:27,574 INFO L280 TraceCheckUtils]: 21: Hoare triple {32889#true} assume !!#t~short7; {32889#true} is VALID [2020-07-08 22:26:27,574 INFO L280 TraceCheckUtils]: 22: Hoare triple {32889#true} havoc #t~mem6.base, #t~mem6.offset; {32889#true} is VALID [2020-07-08 22:26:27,575 INFO L280 TraceCheckUtils]: 23: Hoare triple {32889#true} havoc #t~mem5.base, #t~mem5.offset; {32889#true} is VALID [2020-07-08 22:26:27,575 INFO L280 TraceCheckUtils]: 24: Hoare triple {32889#true} havoc #t~short7; {32889#true} is VALID [2020-07-08 22:26:27,575 INFO L280 TraceCheckUtils]: 25: Hoare triple {32889#true} goto; {32889#true} is VALID [2020-07-08 22:26:27,575 INFO L280 TraceCheckUtils]: 26: Hoare triple {32889#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {32889#true} is VALID [2020-07-08 22:26:27,576 INFO L280 TraceCheckUtils]: 27: Hoare triple {32889#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {32889#true} is VALID [2020-07-08 22:26:27,576 INFO L280 TraceCheckUtils]: 28: Hoare triple {32889#true} assume !(0 != #t~nondet8); {32889#true} is VALID [2020-07-08 22:26:27,576 INFO L280 TraceCheckUtils]: 29: Hoare triple {32889#true} havoc #t~nondet8; {32889#true} is VALID [2020-07-08 22:26:27,577 INFO L280 TraceCheckUtils]: 30: Hoare triple {32889#true} ~end~0.base, ~end~0.offset := 0, 0; {32889#true} is VALID [2020-07-08 22:26:27,578 INFO L280 TraceCheckUtils]: 31: Hoare triple {32889#true} ~end~0.base, ~end~0.offset := ~list~0.base, ~list~0.offset; {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-08 22:26:27,579 INFO L280 TraceCheckUtils]: 32: Hoare triple {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-08 22:26:27,581 INFO L280 TraceCheckUtils]: 33: Hoare triple {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} goto; {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-08 22:26:27,586 INFO L280 TraceCheckUtils]: 34: Hoare triple {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-08 22:26:27,588 INFO L280 TraceCheckUtils]: 35: Hoare triple {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} ~len~0 := 0; {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-08 22:26:27,589 INFO L280 TraceCheckUtils]: 36: Hoare triple {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} SUMMARY for call #t~mem18.base, #t~mem18.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1017 {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-08 22:26:27,590 INFO L280 TraceCheckUtils]: 37: Hoare triple {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} ~inner~0.base, ~inner~0.offset := #t~mem18.base, #t~mem18.offset; {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-08 22:26:27,592 INFO L280 TraceCheckUtils]: 38: Hoare triple {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} havoc #t~mem18.base, #t~mem18.offset; {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-08 22:26:27,593 INFO L280 TraceCheckUtils]: 39: Hoare triple {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} assume !(0 != ~inner~0.base || 0 != ~inner~0.offset); {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-08 22:26:27,595 INFO L280 TraceCheckUtils]: 40: Hoare triple {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} assume !!(~len~0 <= 1); {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-08 22:26:27,596 INFO L280 TraceCheckUtils]: 41: Hoare triple {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} goto; {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} is VALID [2020-07-08 22:26:27,598 INFO L280 TraceCheckUtils]: 42: Hoare triple {32896#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#memory_$Pointer$.base| main_~end~0.base) (select |#memory_$Pointer$.base| main_~list~0.base)) (= (select |#memory_$Pointer$.offset| main_~list~0.base) (select |#memory_$Pointer$.offset| main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))} SUMMARY for call #t~mem23.base, #t~mem23.offset := read~$Pointer$(~end~0.base, ~end~0.offset, 4); srcloc: L1031-4 {32897#(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 [2020-07-08 22:26:27,599 INFO L280 TraceCheckUtils]: 43: Hoare triple {32897#(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; {32898#(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 [2020-07-08 22:26:27,601 INFO L280 TraceCheckUtils]: 44: Hoare triple {32898#(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; {32898#(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 [2020-07-08 22:26:27,602 INFO L280 TraceCheckUtils]: 45: Hoare triple {32898#(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); {32899#(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 [2020-07-08 22:26:27,604 INFO L280 TraceCheckUtils]: 46: Hoare triple {32899#(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); {32899#(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 [2020-07-08 22:26:27,605 INFO L280 TraceCheckUtils]: 47: Hoare triple {32899#(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 {32899#(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 [2020-07-08 22:26:27,607 INFO L280 TraceCheckUtils]: 48: Hoare triple {32899#(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; {32899#(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 [2020-07-08 22:26:27,608 INFO L280 TraceCheckUtils]: 49: Hoare triple {32899#(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; {32899#(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 [2020-07-08 22:26:27,610 INFO L280 TraceCheckUtils]: 50: Hoare triple {32899#(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); {32899#(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 [2020-07-08 22:26:27,611 INFO L280 TraceCheckUtils]: 51: Hoare triple {32899#(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 {32900#(and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))} is VALID [2020-07-08 22:26:27,612 INFO L280 TraceCheckUtils]: 52: Hoare triple {32900#(and (= 0 |main_#t~mem27.offset|) (= 0 |main_#t~mem27.base|))} ~end~0.base, ~end~0.offset := #t~mem27.base, #t~mem27.offset; {32901#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} is VALID [2020-07-08 22:26:27,613 INFO L280 TraceCheckUtils]: 53: Hoare triple {32901#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} havoc #t~mem27.base, #t~mem27.offset; {32901#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} is VALID [2020-07-08 22:26:27,616 INFO L280 TraceCheckUtils]: 54: Hoare triple {32901#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} SUMMARY for call ULTIMATE.dealloc(~list~0.base, ~list~0.offset); srcloc: L1050 {32901#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} is VALID [2020-07-08 22:26:27,617 INFO L280 TraceCheckUtils]: 55: Hoare triple {32901#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset))} ~list~0.base, ~list~0.offset := ~end~0.base, ~end~0.offset; {32902#(and (= 0 main_~list~0.offset) (= 0 main_~list~0.base))} is VALID [2020-07-08 22:26:27,618 INFO L280 TraceCheckUtils]: 56: Hoare triple {32902#(and (= 0 main_~list~0.offset) (= 0 main_~list~0.base))} assume !!(0 != ~list~0.base || 0 != ~list~0.offset); {32890#false} is VALID [2020-07-08 22:26:27,619 INFO L280 TraceCheckUtils]: 57: Hoare triple {32890#false} SUMMARY for call #t~mem24.base, #t~mem24.offset := read~$Pointer$(~list~0.base, 4 + ~list~0.offset, 4); srcloc: L1039 {32890#false} is VALID [2020-07-08 22:26:27,619 INFO L280 TraceCheckUtils]: 58: Hoare triple {32890#false} ~end~0.base, ~end~0.offset := #t~mem24.base, #t~mem24.offset; {32890#false} is VALID [2020-07-08 22:26:27,619 INFO L280 TraceCheckUtils]: 59: Hoare triple {32890#false} havoc #t~mem24.base, #t~mem24.offset; {32890#false} is VALID [2020-07-08 22:26:27,619 INFO L280 TraceCheckUtils]: 60: Hoare triple {32890#false} assume 0 != ~end~0.base || 0 != ~end~0.offset; {32890#false} is VALID [2020-07-08 22:26:27,619 INFO L280 TraceCheckUtils]: 61: Hoare triple {32890#false} assume !!(0 != ~end~0.base || 0 != ~end~0.offset); {32890#false} is VALID [2020-07-08 22:26:27,620 INFO L280 TraceCheckUtils]: 62: Hoare triple {32890#false} goto; {32890#false} is VALID [2020-07-08 22:26:27,620 INFO L280 TraceCheckUtils]: 63: Hoare triple {32890#false} SUMMARY for call #t~mem25.base, #t~mem25.offset := read~$Pointer$(~end~0.base, 4 + ~end~0.offset, 4); srcloc: L1044-6 {32890#false} is VALID [2020-07-08 22:26:27,620 INFO L280 TraceCheckUtils]: 64: Hoare triple {32890#false} assume !(0 == #t~mem25.base && 0 == #t~mem25.offset); {32890#false} is VALID [2020-07-08 22:26:27,620 INFO L280 TraceCheckUtils]: 65: Hoare triple {32890#false} havoc #t~mem25.base, #t~mem25.offset; {32890#false} is VALID [2020-07-08 22:26:27,621 INFO L280 TraceCheckUtils]: 66: Hoare triple {32890#false} assume !false; {32890#false} is VALID [2020-07-08 22:26:27,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:26:27,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1205524698] [2020-07-08 22:26:27,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:26:27,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-08 22:26:27,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031709329] [2020-07-08 22:26:27,642 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 67 [2020-07-08 22:26:27,642 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:26:27,642 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-08 22:26:27,749 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:27,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-08 22:26:27,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:26:27,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-08 22:26:27,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-07-08 22:26:27,751 INFO L87 Difference]: Start difference. First operand 302 states and 330 transitions. Second operand 10 states. [2020-07-08 22:26:35,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:35,075 INFO L93 Difference]: Finished difference Result 487 states and 529 transitions. [2020-07-08 22:26:35,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-08 22:26:35,075 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 67 [2020-07-08 22:26:35,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:26:35,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-08 22:26:35,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 354 transitions. [2020-07-08 22:26:35,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-08 22:26:35,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 354 transitions. [2020-07-08 22:26:35,080 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 354 transitions. [2020-07-08 22:26:35,550 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 354 edges. 354 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:35,562 INFO L225 Difference]: With dead ends: 487 [2020-07-08 22:26:35,562 INFO L226 Difference]: Without dead ends: 427 [2020-07-08 22:26:35,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2020-07-08 22:26:35,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2020-07-08 22:26:38,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 343. [2020-07-08 22:26:38,741 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:26:38,741 INFO L82 GeneralOperation]: Start isEquivalent. First operand 427 states. Second operand 343 states. [2020-07-08 22:26:38,741 INFO L74 IsIncluded]: Start isIncluded. First operand 427 states. Second operand 343 states. [2020-07-08 22:26:38,741 INFO L87 Difference]: Start difference. First operand 427 states. Second operand 343 states. [2020-07-08 22:26:38,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:38,750 INFO L93 Difference]: Finished difference Result 427 states and 465 transitions. [2020-07-08 22:26:38,750 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 465 transitions. [2020-07-08 22:26:38,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:38,751 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:38,751 INFO L74 IsIncluded]: Start isIncluded. First operand 343 states. Second operand 427 states. [2020-07-08 22:26:38,751 INFO L87 Difference]: Start difference. First operand 343 states. Second operand 427 states. [2020-07-08 22:26:38,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:26:38,762 INFO L93 Difference]: Finished difference Result 427 states and 465 transitions. [2020-07-08 22:26:38,762 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 465 transitions. [2020-07-08 22:26:38,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:26:38,763 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:26:38,763 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:26:38,763 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:26:38,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2020-07-08 22:26:38,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 382 transitions. [2020-07-08 22:26:38,771 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 382 transitions. Word has length 67 [2020-07-08 22:26:38,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:26:38,771 INFO L479 AbstractCegarLoop]: Abstraction has 343 states and 382 transitions. [2020-07-08 22:26:38,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-08 22:26:38,771 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 343 states and 382 transitions. [2020-07-08 22:26:40,655 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 382 edges. 382 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:26:40,656 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 382 transitions. [2020-07-08 22:26:40,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-07-08 22:26:40,657 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:26:40,657 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] [2020-07-08 22:26:40,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-07-08 22:26:40,657 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]=== [2020-07-08 22:26:40,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:26:40,658 INFO L82 PathProgramCache]: Analyzing trace with hash 364568229, now seen corresponding path program 1 times [2020-07-08 22:26:40,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:26:40,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1463793169] [2020-07-08 22:26:40,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:26:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 22:26:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 22:26:40,725 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-08 22:26:40,725 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 22:26:40,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-07-08 22:26:40,809 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 22:26:40,809 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 22:26:40,809 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 22:26:40,809 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 22:26:40,809 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 22:26:40,809 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 22:26:40,810 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 22:26:40,810 WARN L170 areAnnotationChecker]: L991 has no Hoare annotation [2020-07-08 22:26:40,810 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-08 22:26:40,810 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 22:26:40,810 WARN L170 areAnnotationChecker]: L992 has no Hoare annotation [2020-07-08 22:26:40,810 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 22:26:40,810 WARN L170 areAnnotationChecker]: L993-3 has no Hoare annotation [2020-07-08 22:26:40,810 WARN L170 areAnnotationChecker]: L993-3 has no Hoare annotation [2020-07-08 22:26:40,810 WARN L170 areAnnotationChecker]: L993-3 has no Hoare annotation [2020-07-08 22:26:40,810 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 22:26:40,811 WARN L170 areAnnotationChecker]: L993-4 has no Hoare annotation [2020-07-08 22:26:40,811 WARN L170 areAnnotationChecker]: L993 has no Hoare annotation [2020-07-08 22:26:40,811 WARN L170 areAnnotationChecker]: L993 has no Hoare annotation [2020-07-08 22:26:40,811 WARN L170 areAnnotationChecker]: L993-2 has no Hoare annotation [2020-07-08 22:26:40,811 WARN L170 areAnnotationChecker]: L993-2 has no Hoare annotation [2020-07-08 22:26:40,811 WARN L170 areAnnotationChecker]: L993-5 has no Hoare annotation [2020-07-08 22:26:40,811 WARN L170 areAnnotationChecker]: L993-5 has no Hoare annotation [2020-07-08 22:26:40,811 WARN L170 areAnnotationChecker]: L993-6 has no Hoare annotation [2020-07-08 22:26:40,811 WARN L170 areAnnotationChecker]: L993-9 has no Hoare annotation [2020-07-08 22:26:40,811 WARN L170 areAnnotationChecker]: L993-7 has no Hoare annotation [2020-07-08 22:26:40,812 WARN L170 areAnnotationChecker]: L993-10 has no Hoare annotation [2020-07-08 22:26:40,812 WARN L170 areAnnotationChecker]: L993-34 has no Hoare annotation [2020-07-08 22:26:40,812 WARN L170 areAnnotationChecker]: L993-34 has no Hoare annotation [2020-07-08 22:26:40,812 WARN L170 areAnnotationChecker]: L993-11 has no Hoare annotation [2020-07-08 22:26:40,812 WARN L170 areAnnotationChecker]: L993-19 has no Hoare annotation [2020-07-08 22:26:40,812 WARN L170 areAnnotationChecker]: L993-35 has no Hoare annotation [2020-07-08 22:26:40,812 WARN L170 areAnnotationChecker]: L993-12 has no Hoare annotation [2020-07-08 22:26:40,812 WARN L170 areAnnotationChecker]: L993-20 has no Hoare annotation [2020-07-08 22:26:40,812 WARN L170 areAnnotationChecker]: L993-20 has no Hoare annotation [2020-07-08 22:26:40,812 WARN L170 areAnnotationChecker]: L1005-35 has no Hoare annotation [2020-07-08 22:26:40,813 WARN L170 areAnnotationChecker]: L1005-35 has no Hoare annotation [2020-07-08 22:26:40,813 WARN L170 areAnnotationChecker]: L993-13 has no Hoare annotation [2020-07-08 22:26:40,813 WARN L170 areAnnotationChecker]: L993-24 has no Hoare annotation [2020-07-08 22:26:40,813 WARN L170 areAnnotationChecker]: L993-24 has no Hoare annotation [2020-07-08 22:26:40,813 WARN L170 areAnnotationChecker]: L993-22 has no Hoare annotation [2020-07-08 22:26:40,813 WARN L170 areAnnotationChecker]: L998-5 has no Hoare annotation [2020-07-08 22:26:40,813 WARN L170 areAnnotationChecker]: L998-1 has no Hoare annotation [2020-07-08 22:26:40,813 WARN L170 areAnnotationChecker]: L998-1 has no Hoare annotation [2020-07-08 22:26:40,813 WARN L170 areAnnotationChecker]: L993-14 has no Hoare annotation [2020-07-08 22:26:40,814 WARN L170 areAnnotationChecker]: L993-25 has no Hoare annotation [2020-07-08 22:26:40,814 WARN L170 areAnnotationChecker]: L993-30 has no Hoare annotation [2020-07-08 22:26:40,814 WARN L170 areAnnotationChecker]: L993-23 has no Hoare annotation [2020-07-08 22:26:40,814 WARN L170 areAnnotationChecker]: L1009 has no Hoare annotation [2020-07-08 22:26:40,814 WARN L170 areAnnotationChecker]: L998-2 has no Hoare annotation [2020-07-08 22:26:40,814 WARN L170 areAnnotationChecker]: L998-4 has no Hoare annotation [2020-07-08 22:26:40,814 WARN L170 areAnnotationChecker]: L993-15 has no Hoare annotation [2020-07-08 22:26:40,814 WARN L170 areAnnotationChecker]: L993-26 has no Hoare annotation [2020-07-08 22:26:40,814 WARN L170 areAnnotationChecker]: L993-31 has no Hoare annotation [2020-07-08 22:26:40,814 WARN L170 areAnnotationChecker]: L1012-4 has no Hoare annotation [2020-07-08 22:26:40,814 WARN L170 areAnnotationChecker]: L1012-4 has no Hoare annotation [2020-07-08 22:26:40,815 WARN L170 areAnnotationChecker]: L1012-4 has no Hoare annotation [2020-07-08 22:26:40,815 WARN L170 areAnnotationChecker]: L1001 has no Hoare annotation [2020-07-08 22:26:40,815 WARN L170 areAnnotationChecker]: L993-16 has no Hoare annotation [2020-07-08 22:26:40,815 WARN L170 areAnnotationChecker]: L993-27 has no Hoare annotation [2020-07-08 22:26:40,815 WARN L170 areAnnotationChecker]: L993-32 has no Hoare annotation [2020-07-08 22:26:40,815 WARN L170 areAnnotationChecker]: L1014-1 has no Hoare annotation [2020-07-08 22:26:40,815 WARN L170 areAnnotationChecker]: L1014-1 has no Hoare annotation [2020-07-08 22:26:40,815 WARN L170 areAnnotationChecker]: L1014-1 has no Hoare annotation [2020-07-08 22:26:40,815 WARN L170 areAnnotationChecker]: L1012-1 has no Hoare annotation [2020-07-08 22:26:40,815 WARN L170 areAnnotationChecker]: L1012-1 has no Hoare annotation [2020-07-08 22:26:40,816 WARN L170 areAnnotationChecker]: L1012-3 has no Hoare annotation [2020-07-08 22:26:40,816 WARN L170 areAnnotationChecker]: L1012-3 has no Hoare annotation [2020-07-08 22:26:40,816 WARN L170 areAnnotationChecker]: L1001-1 has no Hoare annotation [2020-07-08 22:26:40,816 WARN L170 areAnnotationChecker]: L993-17 has no Hoare annotation [2020-07-08 22:26:40,816 WARN L170 areAnnotationChecker]: L993-28 has no Hoare annotation [2020-07-08 22:26:40,816 WARN L170 areAnnotationChecker]: L993-28 has no Hoare annotation [2020-07-08 22:26:40,816 WARN L170 areAnnotationChecker]: L993-33 has no Hoare annotation [2020-07-08 22:26:40,816 WARN L170 areAnnotationChecker]: L993-33 has no Hoare annotation [2020-07-08 22:26:40,816 WARN L170 areAnnotationChecker]: L1037-1 has no Hoare annotation [2020-07-08 22:26:40,817 WARN L170 areAnnotationChecker]: L1037-1 has no Hoare annotation [2020-07-08 22:26:40,817 WARN L170 areAnnotationChecker]: L1037-1 has no Hoare annotation [2020-07-08 22:26:40,817 WARN L170 areAnnotationChecker]: L1016 has no Hoare annotation [2020-07-08 22:26:40,817 WARN L170 areAnnotationChecker]: L1001-2 has no Hoare annotation [2020-07-08 22:26:40,817 WARN L170 areAnnotationChecker]: L1037-2 has no Hoare annotation [2020-07-08 22:26:40,817 WARN L170 areAnnotationChecker]: L1039 has no Hoare annotation [2020-07-08 22:26:40,817 WARN L170 areAnnotationChecker]: L1017 has no Hoare annotation [2020-07-08 22:26:40,817 WARN L170 areAnnotationChecker]: L1002 has no Hoare annotation [2020-07-08 22:26:40,817 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 22:26:40,817 WARN L170 areAnnotationChecker]: L1039-1 has no Hoare annotation [2020-07-08 22:26:40,817 WARN L170 areAnnotationChecker]: L1017-1 has no Hoare annotation [2020-07-08 22:26:40,818 WARN L170 areAnnotationChecker]: L1002-1 has no Hoare annotation [2020-07-08 22:26:40,818 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 22:26:40,818 WARN L170 areAnnotationChecker]: L1039-2 has no Hoare annotation [2020-07-08 22:26:40,818 WARN L170 areAnnotationChecker]: L1017-2 has no Hoare annotation [2020-07-08 22:26:40,818 WARN L170 areAnnotationChecker]: L1003 has no Hoare annotation [2020-07-08 22:26:40,818 WARN L170 areAnnotationChecker]: L1041 has no Hoare annotation [2020-07-08 22:26:40,818 WARN L170 areAnnotationChecker]: L1041 has no Hoare annotation [2020-07-08 22:26:40,818 WARN L170 areAnnotationChecker]: L1028-2 has no Hoare annotation [2020-07-08 22:26:40,818 WARN L170 areAnnotationChecker]: L1028-2 has no Hoare annotation [2020-07-08 22:26:40,818 WARN L170 areAnnotationChecker]: L1028-2 has no Hoare annotation [2020-07-08 22:26:40,819 WARN L170 areAnnotationChecker]: L1004-3 has no Hoare annotation [2020-07-08 22:26:40,819 WARN L170 areAnnotationChecker]: L1004-3 has no Hoare annotation [2020-07-08 22:26:40,819 WARN L170 areAnnotationChecker]: L1004-3 has no Hoare annotation [2020-07-08 22:26:40,819 WARN L170 areAnnotationChecker]: L1043-4 has no Hoare annotation [2020-07-08 22:26:40,819 WARN L170 areAnnotationChecker]: L1043-4 has no Hoare annotation [2020-07-08 22:26:40,819 WARN L170 areAnnotationChecker]: L1043-4 has no Hoare annotation [2020-07-08 22:26:40,819 WARN L170 areAnnotationChecker]: L1041-2 has no Hoare annotation [2020-07-08 22:26:40,819 WARN L170 areAnnotationChecker]: L1031-3 has no Hoare annotation [2020-07-08 22:26:40,819 WARN L170 areAnnotationChecker]: L1031-3 has no Hoare annotation [2020-07-08 22:26:40,819 WARN L170 areAnnotationChecker]: L1031-3 has no Hoare annotation [2020-07-08 22:26:40,820 WARN L170 areAnnotationChecker]: L1020 has no Hoare annotation [2020-07-08 22:26:40,820 WARN L170 areAnnotationChecker]: L1020 has no Hoare annotation [2020-07-08 22:26:40,820 WARN L170 areAnnotationChecker]: L1005-3 has no Hoare annotation [2020-07-08 22:26:40,820 WARN L170 areAnnotationChecker]: L1005-3 has no Hoare annotation [2020-07-08 22:26:40,820 WARN L170 areAnnotationChecker]: L1005-3 has no Hoare annotation [2020-07-08 22:26:40,820 WARN L170 areAnnotationChecker]: L1004 has no Hoare annotation [2020-07-08 22:26:40,820 WARN L170 areAnnotationChecker]: L1004 has no Hoare annotation [2020-07-08 22:26:40,820 WARN L170 areAnnotationChecker]: L1004-2 has no Hoare annotation [2020-07-08 22:26:40,820 WARN L170 areAnnotationChecker]: L1004-2 has no Hoare annotation [2020-07-08 22:26:40,820 WARN L170 areAnnotationChecker]: L1044-6 has no Hoare annotation [2020-07-08 22:26:40,821 WARN L170 areAnnotationChecker]: L1044-6 has no Hoare annotation [2020-07-08 22:26:40,821 WARN L170 areAnnotationChecker]: L1043-1 has no Hoare annotation [2020-07-08 22:26:40,821 WARN L170 areAnnotationChecker]: L1043-1 has no Hoare annotation [2020-07-08 22:26:40,821 WARN L170 areAnnotationChecker]: L1043-3 has no Hoare annotation [2020-07-08 22:26:40,821 WARN L170 areAnnotationChecker]: L1043-3 has no Hoare annotation [2020-07-08 22:26:40,821 WARN L170 areAnnotationChecker]: L1049 has no Hoare annotation [2020-07-08 22:26:40,821 WARN L170 areAnnotationChecker]: L1031-4 has no Hoare annotation [2020-07-08 22:26:40,821 WARN L170 areAnnotationChecker]: L1031 has no Hoare annotation [2020-07-08 22:26:40,821 WARN L170 areAnnotationChecker]: L1031 has no Hoare annotation [2020-07-08 22:26:40,821 WARN L170 areAnnotationChecker]: L1031-2 has no Hoare annotation [2020-07-08 22:26:40,822 WARN L170 areAnnotationChecker]: L1031-2 has no Hoare annotation [2020-07-08 22:26:40,822 WARN L170 areAnnotationChecker]: L1021 has no Hoare annotation [2020-07-08 22:26:40,822 WARN L170 areAnnotationChecker]: L1023 has no Hoare annotation [2020-07-08 22:26:40,822 WARN L170 areAnnotationChecker]: L1005-4 has no Hoare annotation [2020-07-08 22:26:40,822 WARN L170 areAnnotationChecker]: L1005 has no Hoare annotation [2020-07-08 22:26:40,822 WARN L170 areAnnotationChecker]: L1005 has no Hoare annotation [2020-07-08 22:26:40,822 WARN L170 areAnnotationChecker]: L1005-2 has no Hoare annotation [2020-07-08 22:26:40,822 WARN L170 areAnnotationChecker]: L1005-2 has no Hoare annotation [2020-07-08 22:26:40,822 WARN L170 areAnnotationChecker]: L1044 has no Hoare annotation [2020-07-08 22:26:40,822 WARN L170 areAnnotationChecker]: L1044 has no Hoare annotation [2020-07-08 22:26:40,823 WARN L170 areAnnotationChecker]: L1045-6 has no Hoare annotation [2020-07-08 22:26:40,823 WARN L170 areAnnotationChecker]: L1045-6 has no Hoare annotation [2020-07-08 22:26:40,823 WARN L170 areAnnotationChecker]: L1049-1 has no Hoare annotation [2020-07-08 22:26:40,823 WARN L170 areAnnotationChecker]: L1033 has no Hoare annotation [2020-07-08 22:26:40,823 WARN L170 areAnnotationChecker]: L1024-3 has no Hoare annotation [2020-07-08 22:26:40,823 WARN L170 areAnnotationChecker]: L1024-3 has no Hoare annotation [2020-07-08 22:26:40,823 WARN L170 areAnnotationChecker]: L1024-3 has no Hoare annotation [2020-07-08 22:26:40,823 WARN L170 areAnnotationChecker]: L1005-5 has no Hoare annotation [2020-07-08 22:26:40,823 WARN L170 areAnnotationChecker]: L1005-5 has no Hoare annotation [2020-07-08 22:26:40,823 WARN L170 areAnnotationChecker]: L1044-1 has no Hoare annotation [2020-07-08 22:26:40,824 WARN L170 areAnnotationChecker]: L1044-4 has no Hoare annotation [2020-07-08 22:26:40,824 WARN L170 areAnnotationChecker]: L1045 has no Hoare annotation [2020-07-08 22:26:40,824 WARN L170 areAnnotationChecker]: L1045 has no Hoare annotation [2020-07-08 22:26:40,824 WARN L170 areAnnotationChecker]: L1045-7 has no Hoare annotation [2020-07-08 22:26:40,824 WARN L170 areAnnotationChecker]: L1050 has no Hoare annotation [2020-07-08 22:26:40,824 WARN L170 areAnnotationChecker]: L1033-1 has no Hoare annotation [2020-07-08 22:26:40,824 WARN L170 areAnnotationChecker]: L1025-6 has no Hoare annotation [2020-07-08 22:26:40,824 WARN L170 areAnnotationChecker]: L1025-6 has no Hoare annotation [2020-07-08 22:26:40,824 WARN L170 areAnnotationChecker]: L1024 has no Hoare annotation [2020-07-08 22:26:40,824 WARN L170 areAnnotationChecker]: L1024 has no Hoare annotation [2020-07-08 22:26:40,825 WARN L170 areAnnotationChecker]: L1024-2 has no Hoare annotation [2020-07-08 22:26:40,825 WARN L170 areAnnotationChecker]: L1024-2 has no Hoare annotation [2020-07-08 22:26:40,825 WARN L170 areAnnotationChecker]: L1005-6 has no Hoare annotation [2020-07-08 22:26:40,825 WARN L170 areAnnotationChecker]: L1005-9 has no Hoare annotation [2020-07-08 22:26:40,825 WARN L170 areAnnotationChecker]: L1044-2 has no Hoare annotation [2020-07-08 22:26:40,825 WARN L170 areAnnotationChecker]: L1044-2 has no Hoare annotation [2020-07-08 22:26:40,825 WARN L170 areAnnotationChecker]: L1044-5 has no Hoare annotation [2020-07-08 22:26:40,825 WARN L170 areAnnotationChecker]: L1044-5 has no Hoare annotation [2020-07-08 22:26:40,825 WARN L170 areAnnotationChecker]: L1045-1 has no Hoare annotation [2020-07-08 22:26:40,825 WARN L170 areAnnotationChecker]: L1045-4 has no Hoare annotation [2020-07-08 22:26:40,826 WARN L170 areAnnotationChecker]: L1046 has no Hoare annotation [2020-07-08 22:26:40,826 WARN L170 areAnnotationChecker]: L1050-1 has no Hoare annotation [2020-07-08 22:26:40,826 WARN L170 areAnnotationChecker]: L1025 has no Hoare annotation [2020-07-08 22:26:40,826 WARN L170 areAnnotationChecker]: L1025 has no Hoare annotation [2020-07-08 22:26:40,826 WARN L170 areAnnotationChecker]: L1026-6 has no Hoare annotation [2020-07-08 22:26:40,826 WARN L170 areAnnotationChecker]: L1026-6 has no Hoare annotation [2020-07-08 22:26:40,826 WARN L170 areAnnotationChecker]: L1005-7 has no Hoare annotation [2020-07-08 22:26:40,826 WARN L170 areAnnotationChecker]: L1005-10 has no Hoare annotation [2020-07-08 22:26:40,826 WARN L170 areAnnotationChecker]: L1045-2 has no Hoare annotation [2020-07-08 22:26:40,826 WARN L170 areAnnotationChecker]: L1045-2 has no Hoare annotation [2020-07-08 22:26:40,827 WARN L170 areAnnotationChecker]: L1045-5 has no Hoare annotation [2020-07-08 22:26:40,827 WARN L170 areAnnotationChecker]: L1045-5 has no Hoare annotation [2020-07-08 22:26:40,827 WARN L170 areAnnotationChecker]: L1025-1 has no Hoare annotation [2020-07-08 22:26:40,827 WARN L170 areAnnotationChecker]: L1025-4 has no Hoare annotation [2020-07-08 22:26:40,827 WARN L170 areAnnotationChecker]: L1026 has no Hoare annotation [2020-07-08 22:26:40,827 WARN L170 areAnnotationChecker]: L1026 has no Hoare annotation [2020-07-08 22:26:40,827 WARN L170 areAnnotationChecker]: L1026-7 has no Hoare annotation [2020-07-08 22:26:40,827 WARN L170 areAnnotationChecker]: L1005-34 has no Hoare annotation [2020-07-08 22:26:40,827 WARN L170 areAnnotationChecker]: L1005-34 has no Hoare annotation [2020-07-08 22:26:40,827 WARN L170 areAnnotationChecker]: L1005-11 has no Hoare annotation [2020-07-08 22:26:40,828 WARN L170 areAnnotationChecker]: L1025-2 has no Hoare annotation [2020-07-08 22:26:40,828 WARN L170 areAnnotationChecker]: L1025-2 has no Hoare annotation [2020-07-08 22:26:40,828 WARN L170 areAnnotationChecker]: L1025-5 has no Hoare annotation [2020-07-08 22:26:40,828 WARN L170 areAnnotationChecker]: L1025-5 has no Hoare annotation [2020-07-08 22:26:40,828 WARN L170 areAnnotationChecker]: L1026-1 has no Hoare annotation [2020-07-08 22:26:40,828 WARN L170 areAnnotationChecker]: L1026-4 has no Hoare annotation [2020-07-08 22:26:40,828 WARN L170 areAnnotationChecker]: L1027 has no Hoare annotation [2020-07-08 22:26:40,828 WARN L170 areAnnotationChecker]: L1005-19 has no Hoare annotation [2020-07-08 22:26:40,828 WARN L170 areAnnotationChecker]: L1005-12 has no Hoare annotation [2020-07-08 22:26:40,828 WARN L170 areAnnotationChecker]: L1026-2 has no Hoare annotation [2020-07-08 22:26:40,829 WARN L170 areAnnotationChecker]: L1026-2 has no Hoare annotation [2020-07-08 22:26:40,829 WARN L170 areAnnotationChecker]: L1026-5 has no Hoare annotation [2020-07-08 22:26:40,829 WARN L170 areAnnotationChecker]: L1026-5 has no Hoare annotation [2020-07-08 22:26:40,829 WARN L170 areAnnotationChecker]: L1027-1 has no Hoare annotation [2020-07-08 22:26:40,829 WARN L170 areAnnotationChecker]: L1005-20 has no Hoare annotation [2020-07-08 22:26:40,829 WARN L170 areAnnotationChecker]: L1005-20 has no Hoare annotation [2020-07-08 22:26:40,829 WARN L170 areAnnotationChecker]: L1005-13 has no Hoare annotation [2020-07-08 22:26:40,829 WARN L170 areAnnotationChecker]: L1028 has no Hoare annotation [2020-07-08 22:26:40,829 WARN L170 areAnnotationChecker]: L1028 has no Hoare annotation [2020-07-08 22:26:40,829 WARN L170 areAnnotationChecker]: L1005-24 has no Hoare annotation [2020-07-08 22:26:40,830 WARN L170 areAnnotationChecker]: L1005-24 has no Hoare annotation [2020-07-08 22:26:40,830 WARN L170 areAnnotationChecker]: L1005-22 has no Hoare annotation [2020-07-08 22:26:40,830 WARN L170 areAnnotationChecker]: L1005-14 has no Hoare annotation [2020-07-08 22:26:40,830 WARN L170 areAnnotationChecker]: L1029 has no Hoare annotation [2020-07-08 22:26:40,830 WARN L170 areAnnotationChecker]: L1005-25 has no Hoare annotation [2020-07-08 22:26:40,830 WARN L170 areAnnotationChecker]: L1005-30 has no Hoare annotation [2020-07-08 22:26:40,830 WARN L170 areAnnotationChecker]: L1005-23 has no Hoare annotation [2020-07-08 22:26:40,830 WARN L170 areAnnotationChecker]: L1005-15 has no Hoare annotation [2020-07-08 22:26:40,830 WARN L170 areAnnotationChecker]: L1029-1 has no Hoare annotation [2020-07-08 22:26:40,830 WARN L170 areAnnotationChecker]: L1005-26 has no Hoare annotation [2020-07-08 22:26:40,830 WARN L170 areAnnotationChecker]: L1005-31 has no Hoare annotation [2020-07-08 22:26:40,831 WARN L170 areAnnotationChecker]: L1005-16 has no Hoare annotation [2020-07-08 22:26:40,831 WARN L170 areAnnotationChecker]: L1029-2 has no Hoare annotation [2020-07-08 22:26:40,831 WARN L170 areAnnotationChecker]: L1005-27 has no Hoare annotation [2020-07-08 22:26:40,831 WARN L170 areAnnotationChecker]: L1005-32 has no Hoare annotation [2020-07-08 22:26:40,831 WARN L170 areAnnotationChecker]: L1005-17 has no Hoare annotation [2020-07-08 22:26:40,831 WARN L170 areAnnotationChecker]: L1005-28 has no Hoare annotation [2020-07-08 22:26:40,831 WARN L170 areAnnotationChecker]: L1005-28 has no Hoare annotation [2020-07-08 22:26:40,831 WARN L170 areAnnotationChecker]: L1005-33 has no Hoare annotation [2020-07-08 22:26:40,831 WARN L170 areAnnotationChecker]: L1005-33 has no Hoare annotation [2020-07-08 22:26:40,832 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. [2020-07-08 22:26:40,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 10:26:40 BoogieIcfgContainer [2020-07-08 22:26:40,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 22:26:40,838 INFO L168 Benchmark]: Toolchain (without parser) took 128883.85 ms. Allocated memory was 143.1 MB in the beginning and 745.0 MB in the end (delta: 601.9 MB). Free memory was 98.5 MB in the beginning and 153.1 MB in the end (delta: -54.6 MB). Peak memory consumption was 547.3 MB. Max. memory is 7.1 GB. [2020-07-08 22:26:40,838 INFO L168 Benchmark]: CDTParser took 0.95 ms. Allocated memory is still 143.1 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-08 22:26:40,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.62 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 98.3 MB in the beginning and 167.9 MB in the end (delta: -69.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-07-08 22:26:40,839 INFO L168 Benchmark]: Boogie Preprocessor took 95.52 ms. Allocated memory is still 201.3 MB. Free memory was 167.9 MB in the beginning and 163.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-08 22:26:40,840 INFO L168 Benchmark]: RCFGBuilder took 1084.70 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 163.7 MB in the beginning and 192.3 MB in the end (delta: -28.6 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2020-07-08 22:26:40,840 INFO L168 Benchmark]: TraceAbstraction took 127032.89 ms. Allocated memory was 230.7 MB in the beginning and 745.0 MB in the end (delta: 514.3 MB). Free memory was 192.3 MB in the beginning and 153.1 MB in the end (delta: 39.2 MB). Peak memory consumption was 553.5 MB. Max. memory is 7.1 GB. [2020-07-08 22:26:40,842 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 0.95 ms. Allocated memory is still 143.1 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.62 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 98.3 MB in the beginning and 167.9 MB in the end (delta: -69.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.52 ms. Allocated memory is still 201.3 MB. Free memory was 167.9 MB in the beginning and 163.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1084.70 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 163.7 MB in the beginning and 192.3 MB in the end (delta: -28.6 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 127032.89 ms. Allocated memory was 230.7 MB in the beginning and 745.0 MB in the end (delta: 514.3 MB). Free memory was 192.3 MB in the beginning and 153.1 MB in the end (delta: 39.2 MB). Peak memory consumption was 553.5 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: 126.8s, OverallIterations: 20, TraceHistogramMax: 2, AutomataDifference: 81.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3219 SDtfs, 6695 SDslu, 10880 SDs, 0 SdLazy, 7423 SolverSat, 269 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 289 GetRequests, 64 SyntacticMatches, 4 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 681 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: 25.1s AutomataMinimizationTime, 19 MinimizatonAttempts, 1987 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 952 NumberOfCodeBlocks, 952 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 860 ConstructedInterpolants, 0 QuantifiedInterpolants, 339688 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...