/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/verifythis/tree_del_rec.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 22:09:14,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 22:09:14,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 22:09:14,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 22:09:14,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 22:09:14,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 22:09:14,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 22:09:14,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 22:09:14,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 22:09:14,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 22:09:14,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 22:09:14,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 22:09:14,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 22:09:14,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 22:09:14,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 22:09:14,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 22:09:14,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 22:09:14,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 22:09:14,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 22:09:14,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 22:09:14,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 22:09:14,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 22:09:14,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 22:09:14,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 22:09:14,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 22:09:14,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 22:09:14,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 22:09:14,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 22:09:14,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 22:09:14,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 22:09:14,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 22:09:14,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 22:09:14,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 22:09:14,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 22:09:14,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 22:09:14,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 22:09:14,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 22:09:14,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 22:09:14,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 22:09:14,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 22:09:14,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 22:09:14,912 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 22:09:14,923 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 22:09:14,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 22:09:14,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 22:09:14,925 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 22:09:14,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 22:09:14,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 22:09:14,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 22:09:14,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 22:09:14,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 22:09:14,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 22:09:14,926 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 22:09:14,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 22:09:14,927 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 22:09:14,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 22:09:14,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 22:09:14,927 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 22:09:14,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 22:09:14,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 22:09:14,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 22:09:14,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 22:09:14,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 22:09:14,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 22:09:14,929 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 22:09:15,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 22:09:15,284 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 22:09:15,288 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 22:09:15,290 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 22:09:15,291 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 22:09:15,291 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/verifythis/tree_del_rec.c [2020-07-08 22:09:15,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4540af2e/97bb6d5c295b430a84719d6033179619/FLAG4dbe632c5 [2020-07-08 22:09:15,959 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 22:09:15,960 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/verifythis/tree_del_rec.c [2020-07-08 22:09:15,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4540af2e/97bb6d5c295b430a84719d6033179619/FLAG4dbe632c5 [2020-07-08 22:09:16,262 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4540af2e/97bb6d5c295b430a84719d6033179619 [2020-07-08 22:09:16,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 22:09:16,275 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 22:09:16,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 22:09:16,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 22:09:16,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 22:09:16,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:09:16" (1/1) ... [2020-07-08 22:09:16,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc39221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:16, skipping insertion in model container [2020-07-08 22:09:16,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:09:16" (1/1) ... [2020-07-08 22:09:16,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 22:09:16,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 22:09:16,544 WARN L1484 CHandler]: Possible shadowing of function min [2020-07-08 22:09:16,547 WARN L1484 CHandler]: Possible shadowing of function min [2020-07-08 22:09:16,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:09:16,589 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 22:09:16,715 WARN L1484 CHandler]: Possible shadowing of function min [2020-07-08 22:09:16,717 WARN L1484 CHandler]: Possible shadowing of function min [2020-07-08 22:09:16,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:09:16,757 INFO L208 MainTranslator]: Completed translation [2020-07-08 22:09:16,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:16 WrapperNode [2020-07-08 22:09:16,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 22:09:16,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 22:09:16,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 22:09:16,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 22:09:16,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:16" (1/1) ... [2020-07-08 22:09:16,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:16" (1/1) ... [2020-07-08 22:09:16,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:16" (1/1) ... [2020-07-08 22:09:16,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:16" (1/1) ... [2020-07-08 22:09:16,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:16" (1/1) ... [2020-07-08 22:09:16,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:16" (1/1) ... [2020-07-08 22:09:16,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:16" (1/1) ... [2020-07-08 22:09:16,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 22:09:16,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 22:09:16,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 22:09:16,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 22:09:16,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:16" (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 22:09:16,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 22:09:16,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 22:09:16,918 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_cycle_if_not [2020-07-08 22:09:16,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 22:09:16,919 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_tree [2020-07-08 22:09:16,919 INFO L138 BoogieDeclarations]: Found implementation of procedure min [2020-07-08 22:09:16,919 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_del [2020-07-08 22:09:16,919 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_inorder [2020-07-08 22:09:16,919 INFO L138 BoogieDeclarations]: Found implementation of procedure size [2020-07-08 22:09:16,920 INFO L138 BoogieDeclarations]: Found implementation of procedure task [2020-07-08 22:09:16,920 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 22:09:16,920 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-07-08 22:09:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-08 22:09:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-08 22:09:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-08 22:09:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 22:09:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-07-08 22:09:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure assume_cycle_if_not [2020-07-08 22:09:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 22:09:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 22:09:16,921 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_tree [2020-07-08 22:09:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-08 22:09:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 22:09:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-08 22:09:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure min [2020-07-08 22:09:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 22:09:16,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-08 22:09:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure tree_del [2020-07-08 22:09:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 22:09:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure tree_inorder [2020-07-08 22:09:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure size [2020-07-08 22:09:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure task [2020-07-08 22:09:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 22:09:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-07-08 22:09:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 22:09:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 22:09:16,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 22:09:17,958 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 22:09:17,958 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-07-08 22:09:17,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:09:17 BoogieIcfgContainer [2020-07-08 22:09:17,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 22:09:17,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 22:09:17,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 22:09:17,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 22:09:17,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 10:09:16" (1/3) ... [2020-07-08 22:09:17,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ce2d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:09:17, skipping insertion in model container [2020-07-08 22:09:17,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:09:16" (2/3) ... [2020-07-08 22:09:17,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ce2d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:09:17, skipping insertion in model container [2020-07-08 22:09:17,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:09:17" (3/3) ... [2020-07-08 22:09:17,975 INFO L109 eAbstractionObserver]: Analyzing ICFG tree_del_rec.c [2020-07-08 22:09:17,986 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 22:09:17,996 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 22:09:18,012 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 22:09:18,035 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 22:09:18,035 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 22:09:18,035 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 22:09:18,035 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 22:09:18,036 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 22:09:18,036 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 22:09:18,036 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 22:09:18,036 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 22:09:18,055 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states. [2020-07-08 22:09:18,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-08 22:09:18,071 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:09:18,072 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] [2020-07-08 22:09:18,073 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:09:18,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:09:18,080 INFO L82 PathProgramCache]: Analyzing trace with hash -2147081424, now seen corresponding path program 1 times [2020-07-08 22:09:18,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:09:18,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [749923230] [2020-07-08 22:09:18,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:09:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:18,458 INFO L280 TraceCheckUtils]: 0: Hoare triple {231#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {193#true} is VALID [2020-07-08 22:09:18,459 INFO L280 TraceCheckUtils]: 1: Hoare triple {193#true} #valid := #valid[0 := 0]; {193#true} is VALID [2020-07-08 22:09:18,459 INFO L280 TraceCheckUtils]: 2: Hoare triple {193#true} assume 0 < #StackHeapBarrier; {193#true} is VALID [2020-07-08 22:09:18,460 INFO L280 TraceCheckUtils]: 3: Hoare triple {193#true} assume true; {193#true} is VALID [2020-07-08 22:09:18,461 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {193#true} {193#true} #276#return; {193#true} is VALID [2020-07-08 22:09:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:18,517 INFO L280 TraceCheckUtils]: 0: Hoare triple {232#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume 0 != #t~nondet1 % 256; {193#true} is VALID [2020-07-08 22:09:18,518 INFO L280 TraceCheckUtils]: 1: Hoare triple {193#true} havoc #t~nondet1; {193#true} is VALID [2020-07-08 22:09:18,518 INFO L280 TraceCheckUtils]: 2: Hoare triple {193#true} #res.base, #res.offset := 0, 0; {193#true} is VALID [2020-07-08 22:09:18,518 INFO L280 TraceCheckUtils]: 3: Hoare triple {193#true} assume true; {193#true} is VALID [2020-07-08 22:09:18,519 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {193#true} {193#true} #232#return; {193#true} is VALID [2020-07-08 22:09:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:18,528 INFO L280 TraceCheckUtils]: 0: Hoare triple {193#true} ~n.base, ~n.offset := #in~n.base, #in~n.offset; {193#true} is VALID [2020-07-08 22:09:18,529 INFO L280 TraceCheckUtils]: 1: Hoare triple {193#true} assume ~n.base == 0 && ~n.offset == 0; {193#true} is VALID [2020-07-08 22:09:18,529 INFO L280 TraceCheckUtils]: 2: Hoare triple {193#true} #res := 2147483647; {193#true} is VALID [2020-07-08 22:09:18,529 INFO L280 TraceCheckUtils]: 3: Hoare triple {193#true} assume true; {193#true} is VALID [2020-07-08 22:09:18,530 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {193#true} {193#true} #246#return; {193#true} is VALID [2020-07-08 22:09:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:18,560 INFO L280 TraceCheckUtils]: 0: Hoare triple {193#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {193#true} is VALID [2020-07-08 22:09:18,561 INFO L280 TraceCheckUtils]: 1: Hoare triple {193#true} assume ~t.base == 0 && ~t.offset == 0; {193#true} is VALID [2020-07-08 22:09:18,562 INFO L280 TraceCheckUtils]: 2: Hoare triple {193#true} #res := 0; {233#(= 0 |size_#res|)} is VALID [2020-07-08 22:09:18,563 INFO L280 TraceCheckUtils]: 3: Hoare triple {233#(= 0 |size_#res|)} assume true; {233#(= 0 |size_#res|)} is VALID [2020-07-08 22:09:18,565 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {233#(= 0 |size_#res|)} {193#true} #248#return; {215#(= 0 |task_#t~ret27|)} is VALID [2020-07-08 22:09:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:18,607 INFO L280 TraceCheckUtils]: 0: Hoare triple {193#true} ~cond := #in~cond; {234#(= assume_cycle_if_not_~cond |assume_cycle_if_not_#in~cond|)} is VALID [2020-07-08 22:09:18,609 INFO L280 TraceCheckUtils]: 1: Hoare triple {234#(= assume_cycle_if_not_~cond |assume_cycle_if_not_#in~cond|)} assume !(0 == ~cond); {235#(not (= 0 |assume_cycle_if_not_#in~cond|))} is VALID [2020-07-08 22:09:18,610 INFO L280 TraceCheckUtils]: 2: Hoare triple {235#(not (= 0 |assume_cycle_if_not_#in~cond|))} assume true; {235#(not (= 0 |assume_cycle_if_not_#in~cond|))} is VALID [2020-07-08 22:09:18,611 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {235#(not (= 0 |assume_cycle_if_not_#in~cond|))} {216#(= 0 task_~n~1)} #250#return; {194#false} is VALID [2020-07-08 22:09:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:18,634 INFO L280 TraceCheckUtils]: 0: Hoare triple {236#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {193#true} is VALID [2020-07-08 22:09:18,634 INFO L280 TraceCheckUtils]: 1: Hoare triple {193#true} assume true; {193#true} is VALID [2020-07-08 22:09:18,634 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {193#true} {194#false} #252#return; {194#false} is VALID [2020-07-08 22:09:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:18,668 INFO L280 TraceCheckUtils]: 0: Hoare triple {237#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {193#true} is VALID [2020-07-08 22:09:18,669 INFO L280 TraceCheckUtils]: 1: Hoare triple {193#true} ~a.base, ~a.offset := #in~a.base, #in~a.offset; {193#true} is VALID [2020-07-08 22:09:18,669 INFO L280 TraceCheckUtils]: 2: Hoare triple {193#true} ~i := #in~i; {193#true} is VALID [2020-07-08 22:09:18,669 INFO L280 TraceCheckUtils]: 3: Hoare triple {193#true} assume ~t.base == 0 && ~t.offset == 0; {193#true} is VALID [2020-07-08 22:09:18,670 INFO L280 TraceCheckUtils]: 4: Hoare triple {193#true} #res := ~i; {193#true} is VALID [2020-07-08 22:09:18,671 INFO L280 TraceCheckUtils]: 5: Hoare triple {193#true} assume true; {193#true} is VALID [2020-07-08 22:09:18,671 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {193#true} {194#false} #254#return; {194#false} is VALID [2020-07-08 22:09:18,673 INFO L263 TraceCheckUtils]: 0: Hoare triple {193#true} call ULTIMATE.init(); {231#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:09:18,674 INFO L280 TraceCheckUtils]: 1: Hoare triple {231#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {193#true} is VALID [2020-07-08 22:09:18,674 INFO L280 TraceCheckUtils]: 2: Hoare triple {193#true} #valid := #valid[0 := 0]; {193#true} is VALID [2020-07-08 22:09:18,674 INFO L280 TraceCheckUtils]: 3: Hoare triple {193#true} assume 0 < #StackHeapBarrier; {193#true} is VALID [2020-07-08 22:09:18,675 INFO L280 TraceCheckUtils]: 4: Hoare triple {193#true} assume true; {193#true} is VALID [2020-07-08 22:09:18,675 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {193#true} {193#true} #276#return; {193#true} is VALID [2020-07-08 22:09:18,675 INFO L263 TraceCheckUtils]: 6: Hoare triple {193#true} call #t~ret40 := main(); {193#true} is VALID [2020-07-08 22:09:18,677 INFO L263 TraceCheckUtils]: 7: Hoare triple {193#true} call #t~ret39.base, #t~ret39.offset := nondet_tree(); {232#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:09:18,677 INFO L280 TraceCheckUtils]: 8: Hoare triple {232#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume 0 != #t~nondet1 % 256; {193#true} is VALID [2020-07-08 22:09:18,678 INFO L280 TraceCheckUtils]: 9: Hoare triple {193#true} havoc #t~nondet1; {193#true} is VALID [2020-07-08 22:09:18,678 INFO L280 TraceCheckUtils]: 10: Hoare triple {193#true} #res.base, #res.offset := 0, 0; {193#true} is VALID [2020-07-08 22:09:18,678 INFO L280 TraceCheckUtils]: 11: Hoare triple {193#true} assume true; {193#true} is VALID [2020-07-08 22:09:18,679 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {193#true} {193#true} #232#return; {193#true} is VALID [2020-07-08 22:09:18,679 INFO L263 TraceCheckUtils]: 13: Hoare triple {193#true} call task(#t~ret39.base, #t~ret39.offset); {193#true} is VALID [2020-07-08 22:09:18,679 INFO L280 TraceCheckUtils]: 14: Hoare triple {193#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {193#true} is VALID [2020-07-08 22:09:18,680 INFO L263 TraceCheckUtils]: 15: Hoare triple {193#true} call #t~ret26 := min(~t.base, ~t.offset); {193#true} is VALID [2020-07-08 22:09:18,680 INFO L280 TraceCheckUtils]: 16: Hoare triple {193#true} ~n.base, ~n.offset := #in~n.base, #in~n.offset; {193#true} is VALID [2020-07-08 22:09:18,681 INFO L280 TraceCheckUtils]: 17: Hoare triple {193#true} assume ~n.base == 0 && ~n.offset == 0; {193#true} is VALID [2020-07-08 22:09:18,681 INFO L280 TraceCheckUtils]: 18: Hoare triple {193#true} #res := 2147483647; {193#true} is VALID [2020-07-08 22:09:18,681 INFO L280 TraceCheckUtils]: 19: Hoare triple {193#true} assume true; {193#true} is VALID [2020-07-08 22:09:18,682 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {193#true} {193#true} #246#return; {193#true} is VALID [2020-07-08 22:09:18,682 INFO L280 TraceCheckUtils]: 21: Hoare triple {193#true} assume -2147483648 <= #t~ret26 && #t~ret26 <= 2147483647; {193#true} is VALID [2020-07-08 22:09:18,682 INFO L280 TraceCheckUtils]: 22: Hoare triple {193#true} ~a~1 := #t~ret26; {193#true} is VALID [2020-07-08 22:09:18,683 INFO L280 TraceCheckUtils]: 23: Hoare triple {193#true} havoc #t~ret26; {193#true} is VALID [2020-07-08 22:09:18,683 INFO L280 TraceCheckUtils]: 24: Hoare triple {193#true} SUMMARY for call ~#b~1.base, ~#b~1.offset := #Ultimate.allocOnStack(4); srcloc: L77 {193#true} is VALID [2020-07-08 22:09:18,683 INFO L263 TraceCheckUtils]: 25: Hoare triple {193#true} call #t~ret27 := size(~t.base, ~t.offset); {193#true} is VALID [2020-07-08 22:09:18,684 INFO L280 TraceCheckUtils]: 26: Hoare triple {193#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {193#true} is VALID [2020-07-08 22:09:18,684 INFO L280 TraceCheckUtils]: 27: Hoare triple {193#true} assume ~t.base == 0 && ~t.offset == 0; {193#true} is VALID [2020-07-08 22:09:18,685 INFO L280 TraceCheckUtils]: 28: Hoare triple {193#true} #res := 0; {233#(= 0 |size_#res|)} is VALID [2020-07-08 22:09:18,686 INFO L280 TraceCheckUtils]: 29: Hoare triple {233#(= 0 |size_#res|)} assume true; {233#(= 0 |size_#res|)} is VALID [2020-07-08 22:09:18,688 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {233#(= 0 |size_#res|)} {193#true} #248#return; {215#(= 0 |task_#t~ret27|)} is VALID [2020-07-08 22:09:18,689 INFO L280 TraceCheckUtils]: 31: Hoare triple {215#(= 0 |task_#t~ret27|)} assume -2147483648 <= #t~ret27 && #t~ret27 <= 2147483647; {215#(= 0 |task_#t~ret27|)} is VALID [2020-07-08 22:09:18,691 INFO L280 TraceCheckUtils]: 32: Hoare triple {215#(= 0 |task_#t~ret27|)} ~n~1 := #t~ret27; {216#(= 0 task_~n~1)} is VALID [2020-07-08 22:09:18,691 INFO L280 TraceCheckUtils]: 33: Hoare triple {216#(= 0 task_~n~1)} havoc #t~ret27; {216#(= 0 task_~n~1)} is VALID [2020-07-08 22:09:18,692 INFO L263 TraceCheckUtils]: 34: Hoare triple {216#(= 0 task_~n~1)} call assume_cycle_if_not((if 0 != ~n~1 then 1 else 0)); {193#true} is VALID [2020-07-08 22:09:18,693 INFO L280 TraceCheckUtils]: 35: Hoare triple {193#true} ~cond := #in~cond; {234#(= assume_cycle_if_not_~cond |assume_cycle_if_not_#in~cond|)} is VALID [2020-07-08 22:09:18,694 INFO L280 TraceCheckUtils]: 36: Hoare triple {234#(= assume_cycle_if_not_~cond |assume_cycle_if_not_#in~cond|)} assume !(0 == ~cond); {235#(not (= 0 |assume_cycle_if_not_#in~cond|))} is VALID [2020-07-08 22:09:18,696 INFO L280 TraceCheckUtils]: 37: Hoare triple {235#(not (= 0 |assume_cycle_if_not_#in~cond|))} assume true; {235#(not (= 0 |assume_cycle_if_not_#in~cond|))} is VALID [2020-07-08 22:09:18,697 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {235#(not (= 0 |assume_cycle_if_not_#in~cond|))} {216#(= 0 task_~n~1)} #250#return; {194#false} is VALID [2020-07-08 22:09:18,698 INFO L280 TraceCheckUtils]: 39: Hoare triple {194#false} SUMMARY for call #t~malloc28.base, #t~malloc28.offset := #Ultimate.allocOnHeap(4 * ~n~1); srcloc: L80-1 {194#false} is VALID [2020-07-08 22:09:18,698 INFO L263 TraceCheckUtils]: 40: Hoare triple {194#false} call #Ultimate.meminit(#t~malloc28.base, #t~malloc28.offset, ~n~1, 4, 4 * ~n~1); {236#(= |#memory_int| |old(#memory_int)|)} is VALID [2020-07-08 22:09:18,699 INFO L280 TraceCheckUtils]: 41: Hoare triple {236#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {193#true} is VALID [2020-07-08 22:09:18,699 INFO L280 TraceCheckUtils]: 42: Hoare triple {193#true} assume true; {193#true} is VALID [2020-07-08 22:09:18,699 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {193#true} {194#false} #252#return; {194#false} is VALID [2020-07-08 22:09:18,700 INFO L280 TraceCheckUtils]: 44: Hoare triple {194#false} ~x~0.base, ~x~0.offset := #t~malloc28.base, #t~malloc28.offset; {194#false} is VALID [2020-07-08 22:09:18,700 INFO L263 TraceCheckUtils]: 45: Hoare triple {194#false} call #t~ret29 := tree_inorder(~t.base, ~t.offset, ~x~0.base, ~x~0.offset, ~n~1); {237#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:09:18,700 INFO L280 TraceCheckUtils]: 46: Hoare triple {237#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {193#true} is VALID [2020-07-08 22:09:18,701 INFO L280 TraceCheckUtils]: 47: Hoare triple {193#true} ~a.base, ~a.offset := #in~a.base, #in~a.offset; {193#true} is VALID [2020-07-08 22:09:18,701 INFO L280 TraceCheckUtils]: 48: Hoare triple {193#true} ~i := #in~i; {193#true} is VALID [2020-07-08 22:09:18,701 INFO L280 TraceCheckUtils]: 49: Hoare triple {193#true} assume ~t.base == 0 && ~t.offset == 0; {193#true} is VALID [2020-07-08 22:09:18,702 INFO L280 TraceCheckUtils]: 50: Hoare triple {193#true} #res := ~i; {193#true} is VALID [2020-07-08 22:09:18,702 INFO L280 TraceCheckUtils]: 51: Hoare triple {193#true} assume true; {193#true} is VALID [2020-07-08 22:09:18,702 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {193#true} {194#false} #254#return; {194#false} is VALID [2020-07-08 22:09:18,703 INFO L280 TraceCheckUtils]: 53: Hoare triple {194#false} assume -2147483648 <= #t~ret29 && #t~ret29 <= 2147483647; {194#false} is VALID [2020-07-08 22:09:18,703 INFO L280 TraceCheckUtils]: 54: Hoare triple {194#false} havoc #t~ret29; {194#false} is VALID [2020-07-08 22:09:18,704 INFO L280 TraceCheckUtils]: 55: Hoare triple {194#false} SUMMARY for call #t~mem30 := read~int(~x~0.base, ~x~0.offset, 4); srcloc: L83 {194#false} is VALID [2020-07-08 22:09:18,704 INFO L263 TraceCheckUtils]: 56: Hoare triple {194#false} call __VERIFIER_assert((if ~a~1 == #t~mem30 then 1 else 0)); {194#false} is VALID [2020-07-08 22:09:18,704 INFO L280 TraceCheckUtils]: 57: Hoare triple {194#false} ~cond := #in~cond; {194#false} is VALID [2020-07-08 22:09:18,705 INFO L280 TraceCheckUtils]: 58: Hoare triple {194#false} assume 0 == ~cond; {194#false} is VALID [2020-07-08 22:09:18,705 INFO L280 TraceCheckUtils]: 59: Hoare triple {194#false} assume !false; {194#false} is VALID [2020-07-08 22:09:18,716 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 22:09:18,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [749923230] [2020-07-08 22:09:18,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:09:18,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-08 22:09:18,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541450854] [2020-07-08 22:09:18,729 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 60 [2020-07-08 22:09:18,732 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:09:18,738 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-08 22:09:18,855 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:18,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-08 22:09:18,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:09:18,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-08 22:09:18,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-08 22:09:18,872 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 11 states. [2020-07-08 22:09:23,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:23,225 INFO L93 Difference]: Finished difference Result 333 states and 391 transitions. [2020-07-08 22:09:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-08 22:09:23,226 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 60 [2020-07-08 22:09:23,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:09:23,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-08 22:09:23,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 391 transitions. [2020-07-08 22:09:23,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-08 22:09:23,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 391 transitions. [2020-07-08 22:09:23,301 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 391 transitions. [2020-07-08 22:09:23,849 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 391 edges. 391 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:23,886 INFO L225 Difference]: With dead ends: 333 [2020-07-08 22:09:23,886 INFO L226 Difference]: Without dead ends: 193 [2020-07-08 22:09:23,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2020-07-08 22:09:23,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-07-08 22:09:24,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 180. [2020-07-08 22:09:24,209 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:09:24,209 INFO L82 GeneralOperation]: Start isEquivalent. First operand 193 states. Second operand 180 states. [2020-07-08 22:09:24,210 INFO L74 IsIncluded]: Start isIncluded. First operand 193 states. Second operand 180 states. [2020-07-08 22:09:24,210 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 180 states. [2020-07-08 22:09:24,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:24,234 INFO L93 Difference]: Finished difference Result 193 states and 222 transitions. [2020-07-08 22:09:24,234 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 222 transitions. [2020-07-08 22:09:24,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:24,240 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:24,240 INFO L74 IsIncluded]: Start isIncluded. First operand 180 states. Second operand 193 states. [2020-07-08 22:09:24,240 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 193 states. [2020-07-08 22:09:24,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:24,260 INFO L93 Difference]: Finished difference Result 193 states and 222 transitions. [2020-07-08 22:09:24,260 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 222 transitions. [2020-07-08 22:09:24,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:24,263 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:24,263 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:09:24,263 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:09:24,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-07-08 22:09:24,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 204 transitions. [2020-07-08 22:09:24,282 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 204 transitions. Word has length 60 [2020-07-08 22:09:24,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:09:24,283 INFO L479 AbstractCegarLoop]: Abstraction has 180 states and 204 transitions. [2020-07-08 22:09:24,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-08 22:09:24,283 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 180 states and 204 transitions. [2020-07-08 22:09:24,574 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 204 edges. 204 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:24,574 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 204 transitions. [2020-07-08 22:09:24,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-08 22:09:24,578 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:09:24,579 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:09:24,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 22:09:24,579 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:09:24,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:09:24,580 INFO L82 PathProgramCache]: Analyzing trace with hash 394479658, now seen corresponding path program 1 times [2020-07-08 22:09:24,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:09:24,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991811043] [2020-07-08 22:09:24,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:09:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:24,758 INFO L280 TraceCheckUtils]: 0: Hoare triple {1726#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1667#true} is VALID [2020-07-08 22:09:24,759 INFO L280 TraceCheckUtils]: 1: Hoare triple {1667#true} #valid := #valid[0 := 0]; {1667#true} is VALID [2020-07-08 22:09:24,759 INFO L280 TraceCheckUtils]: 2: Hoare triple {1667#true} assume 0 < #StackHeapBarrier; {1667#true} is VALID [2020-07-08 22:09:24,759 INFO L280 TraceCheckUtils]: 3: Hoare triple {1667#true} assume true; {1667#true} is VALID [2020-07-08 22:09:24,759 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1667#true} {1667#true} #276#return; {1667#true} is VALID [2020-07-08 22:09:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:24,838 INFO L280 TraceCheckUtils]: 0: Hoare triple {1727#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume 0 != #t~nondet1 % 256; {1667#true} is VALID [2020-07-08 22:09:24,839 INFO L280 TraceCheckUtils]: 1: Hoare triple {1667#true} havoc #t~nondet1; {1667#true} is VALID [2020-07-08 22:09:24,839 INFO L280 TraceCheckUtils]: 2: Hoare triple {1667#true} #res.base, #res.offset := 0, 0; {1728#(and (<= |nondet_tree_#res.base| 0) (<= 0 |nondet_tree_#res.offset|) (<= |nondet_tree_#res.offset| 0) (<= 0 |nondet_tree_#res.base|))} is VALID [2020-07-08 22:09:24,840 INFO L280 TraceCheckUtils]: 3: Hoare triple {1728#(and (<= |nondet_tree_#res.base| 0) (<= 0 |nondet_tree_#res.offset|) (<= |nondet_tree_#res.offset| 0) (<= 0 |nondet_tree_#res.base|))} assume true; {1728#(and (<= |nondet_tree_#res.base| 0) (<= 0 |nondet_tree_#res.offset|) (<= |nondet_tree_#res.offset| 0) (<= 0 |nondet_tree_#res.base|))} is VALID [2020-07-08 22:09:24,842 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1728#(and (<= |nondet_tree_#res.base| 0) (<= 0 |nondet_tree_#res.offset|) (<= |nondet_tree_#res.offset| 0) (<= 0 |nondet_tree_#res.base|))} {1667#true} #232#return; {1679#(and (= 0 |main_#t~ret39.base|) (= 0 |main_#t~ret39.offset|))} is VALID [2020-07-08 22:09:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:24,850 INFO L280 TraceCheckUtils]: 0: Hoare triple {1667#true} ~n.base, ~n.offset := #in~n.base, #in~n.offset; {1667#true} is VALID [2020-07-08 22:09:24,851 INFO L280 TraceCheckUtils]: 1: Hoare triple {1667#true} assume ~n.base == 0 && ~n.offset == 0; {1667#true} is VALID [2020-07-08 22:09:24,851 INFO L280 TraceCheckUtils]: 2: Hoare triple {1667#true} #res := 2147483647; {1667#true} is VALID [2020-07-08 22:09:24,851 INFO L280 TraceCheckUtils]: 3: Hoare triple {1667#true} assume true; {1667#true} is VALID [2020-07-08 22:09:24,852 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1667#true} {1681#(and (= 0 task_~t.offset) (= 0 task_~t.base))} #246#return; {1681#(and (= 0 task_~t.offset) (= 0 task_~t.base))} is VALID [2020-07-08 22:09:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:24,922 INFO L280 TraceCheckUtils]: 0: Hoare triple {1667#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {1667#true} is VALID [2020-07-08 22:09:24,923 INFO L280 TraceCheckUtils]: 1: Hoare triple {1667#true} assume ~t.base == 0 && ~t.offset == 0; {1667#true} is VALID [2020-07-08 22:09:24,923 INFO L280 TraceCheckUtils]: 2: Hoare triple {1667#true} #res := 0; {1667#true} is VALID [2020-07-08 22:09:24,923 INFO L280 TraceCheckUtils]: 3: Hoare triple {1667#true} assume true; {1667#true} is VALID [2020-07-08 22:09:24,924 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1667#true} {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} #272#return; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:24,937 INFO L280 TraceCheckUtils]: 0: Hoare triple {1667#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {1667#true} is VALID [2020-07-08 22:09:24,938 INFO L280 TraceCheckUtils]: 1: Hoare triple {1667#true} assume ~t.base == 0 && ~t.offset == 0; {1667#true} is VALID [2020-07-08 22:09:24,938 INFO L280 TraceCheckUtils]: 2: Hoare triple {1667#true} #res := 0; {1667#true} is VALID [2020-07-08 22:09:24,938 INFO L280 TraceCheckUtils]: 3: Hoare triple {1667#true} assume true; {1667#true} is VALID [2020-07-08 22:09:24,941 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1667#true} {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} #274#return; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:24,943 INFO L280 TraceCheckUtils]: 0: Hoare triple {1667#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {1729#(and (= |size_#in~t.base| size_~t.base) (= |size_#in~t.offset| size_~t.offset))} is VALID [2020-07-08 22:09:24,943 INFO L280 TraceCheckUtils]: 1: Hoare triple {1729#(and (= |size_#in~t.base| size_~t.base) (= |size_#in~t.offset| size_~t.offset))} assume !(~t.base == 0 && ~t.offset == 0); {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:24,967 INFO L280 TraceCheckUtils]: 2: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} SUMMARY for call #t~mem22.base, #t~mem22.offset := read~$Pointer$(~t.base, 4 + ~t.offset, 4); srcloc: L72 {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:24,967 INFO L263 TraceCheckUtils]: 3: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} call #t~ret23 := size(#t~mem22.base, #t~mem22.offset); {1667#true} is VALID [2020-07-08 22:09:24,967 INFO L280 TraceCheckUtils]: 4: Hoare triple {1667#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {1667#true} is VALID [2020-07-08 22:09:24,968 INFO L280 TraceCheckUtils]: 5: Hoare triple {1667#true} assume ~t.base == 0 && ~t.offset == 0; {1667#true} is VALID [2020-07-08 22:09:24,968 INFO L280 TraceCheckUtils]: 6: Hoare triple {1667#true} #res := 0; {1667#true} is VALID [2020-07-08 22:09:24,968 INFO L280 TraceCheckUtils]: 7: Hoare triple {1667#true} assume true; {1667#true} is VALID [2020-07-08 22:09:24,973 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1667#true} {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} #272#return; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:24,974 INFO L280 TraceCheckUtils]: 9: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:24,975 INFO L280 TraceCheckUtils]: 10: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} SUMMARY for call #t~mem24.base, #t~mem24.offset := read~$Pointer$(~t.base, 8 + ~t.offset, 4); srcloc: L72-3 {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:24,975 INFO L263 TraceCheckUtils]: 11: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} call #t~ret25 := size(#t~mem24.base, #t~mem24.offset); {1667#true} is VALID [2020-07-08 22:09:24,975 INFO L280 TraceCheckUtils]: 12: Hoare triple {1667#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {1667#true} is VALID [2020-07-08 22:09:24,975 INFO L280 TraceCheckUtils]: 13: Hoare triple {1667#true} assume ~t.base == 0 && ~t.offset == 0; {1667#true} is VALID [2020-07-08 22:09:24,976 INFO L280 TraceCheckUtils]: 14: Hoare triple {1667#true} #res := 0; {1667#true} is VALID [2020-07-08 22:09:24,976 INFO L280 TraceCheckUtils]: 15: Hoare triple {1667#true} assume true; {1667#true} is VALID [2020-07-08 22:09:24,977 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {1667#true} {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} #274#return; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:24,977 INFO L280 TraceCheckUtils]: 17: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:24,978 INFO L280 TraceCheckUtils]: 18: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} #res := 1 + (#t~ret23 + #t~ret25); {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:24,978 INFO L280 TraceCheckUtils]: 19: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} havoc #t~ret23; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:24,979 INFO L280 TraceCheckUtils]: 20: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} havoc #t~mem22.base, #t~mem22.offset; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:24,979 INFO L280 TraceCheckUtils]: 21: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} havoc #t~ret25; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:24,980 INFO L280 TraceCheckUtils]: 22: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} havoc #t~mem24.base, #t~mem24.offset; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:24,980 INFO L280 TraceCheckUtils]: 23: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} assume true; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:24,981 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} {1681#(and (= 0 task_~t.offset) (= 0 task_~t.base))} #248#return; {1668#false} is VALID [2020-07-08 22:09:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:24,986 INFO L280 TraceCheckUtils]: 0: Hoare triple {1667#true} ~cond := #in~cond; {1667#true} is VALID [2020-07-08 22:09:24,987 INFO L280 TraceCheckUtils]: 1: Hoare triple {1667#true} assume !(0 == ~cond); {1667#true} is VALID [2020-07-08 22:09:24,987 INFO L280 TraceCheckUtils]: 2: Hoare triple {1667#true} assume true; {1667#true} is VALID [2020-07-08 22:09:24,987 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1667#true} {1668#false} #250#return; {1668#false} is VALID [2020-07-08 22:09:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:25,007 INFO L280 TraceCheckUtils]: 0: Hoare triple {1741#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {1667#true} is VALID [2020-07-08 22:09:25,007 INFO L280 TraceCheckUtils]: 1: Hoare triple {1667#true} assume true; {1667#true} is VALID [2020-07-08 22:09:25,007 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1667#true} {1668#false} #252#return; {1668#false} is VALID [2020-07-08 22:09:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:25,034 INFO L280 TraceCheckUtils]: 0: Hoare triple {1742#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {1667#true} is VALID [2020-07-08 22:09:25,034 INFO L280 TraceCheckUtils]: 1: Hoare triple {1667#true} ~a.base, ~a.offset := #in~a.base, #in~a.offset; {1667#true} is VALID [2020-07-08 22:09:25,034 INFO L280 TraceCheckUtils]: 2: Hoare triple {1667#true} ~i := #in~i; {1667#true} is VALID [2020-07-08 22:09:25,035 INFO L280 TraceCheckUtils]: 3: Hoare triple {1667#true} assume ~t.base == 0 && ~t.offset == 0; {1667#true} is VALID [2020-07-08 22:09:25,035 INFO L280 TraceCheckUtils]: 4: Hoare triple {1667#true} #res := ~i; {1667#true} is VALID [2020-07-08 22:09:25,035 INFO L280 TraceCheckUtils]: 5: Hoare triple {1667#true} assume true; {1667#true} is VALID [2020-07-08 22:09:25,035 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {1667#true} {1668#false} #254#return; {1668#false} is VALID [2020-07-08 22:09:25,036 INFO L263 TraceCheckUtils]: 0: Hoare triple {1667#true} call ULTIMATE.init(); {1726#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:09:25,036 INFO L280 TraceCheckUtils]: 1: Hoare triple {1726#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1667#true} is VALID [2020-07-08 22:09:25,036 INFO L280 TraceCheckUtils]: 2: Hoare triple {1667#true} #valid := #valid[0 := 0]; {1667#true} is VALID [2020-07-08 22:09:25,037 INFO L280 TraceCheckUtils]: 3: Hoare triple {1667#true} assume 0 < #StackHeapBarrier; {1667#true} is VALID [2020-07-08 22:09:25,037 INFO L280 TraceCheckUtils]: 4: Hoare triple {1667#true} assume true; {1667#true} is VALID [2020-07-08 22:09:25,037 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1667#true} {1667#true} #276#return; {1667#true} is VALID [2020-07-08 22:09:25,037 INFO L263 TraceCheckUtils]: 6: Hoare triple {1667#true} call #t~ret40 := main(); {1667#true} is VALID [2020-07-08 22:09:25,038 INFO L263 TraceCheckUtils]: 7: Hoare triple {1667#true} call #t~ret39.base, #t~ret39.offset := nondet_tree(); {1727#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:09:25,038 INFO L280 TraceCheckUtils]: 8: Hoare triple {1727#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume 0 != #t~nondet1 % 256; {1667#true} is VALID [2020-07-08 22:09:25,039 INFO L280 TraceCheckUtils]: 9: Hoare triple {1667#true} havoc #t~nondet1; {1667#true} is VALID [2020-07-08 22:09:25,039 INFO L280 TraceCheckUtils]: 10: Hoare triple {1667#true} #res.base, #res.offset := 0, 0; {1728#(and (<= |nondet_tree_#res.base| 0) (<= 0 |nondet_tree_#res.offset|) (<= |nondet_tree_#res.offset| 0) (<= 0 |nondet_tree_#res.base|))} is VALID [2020-07-08 22:09:25,040 INFO L280 TraceCheckUtils]: 11: Hoare triple {1728#(and (<= |nondet_tree_#res.base| 0) (<= 0 |nondet_tree_#res.offset|) (<= |nondet_tree_#res.offset| 0) (<= 0 |nondet_tree_#res.base|))} assume true; {1728#(and (<= |nondet_tree_#res.base| 0) (<= 0 |nondet_tree_#res.offset|) (<= |nondet_tree_#res.offset| 0) (<= 0 |nondet_tree_#res.base|))} is VALID [2020-07-08 22:09:25,041 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {1728#(and (<= |nondet_tree_#res.base| 0) (<= 0 |nondet_tree_#res.offset|) (<= |nondet_tree_#res.offset| 0) (<= 0 |nondet_tree_#res.base|))} {1667#true} #232#return; {1679#(and (= 0 |main_#t~ret39.base|) (= 0 |main_#t~ret39.offset|))} is VALID [2020-07-08 22:09:25,042 INFO L263 TraceCheckUtils]: 13: Hoare triple {1679#(and (= 0 |main_#t~ret39.base|) (= 0 |main_#t~ret39.offset|))} call task(#t~ret39.base, #t~ret39.offset); {1680#(and (= 0 |task_#in~t.offset|) (= |task_#in~t.base| 0))} is VALID [2020-07-08 22:09:25,043 INFO L280 TraceCheckUtils]: 14: Hoare triple {1680#(and (= 0 |task_#in~t.offset|) (= |task_#in~t.base| 0))} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {1681#(and (= 0 task_~t.offset) (= 0 task_~t.base))} is VALID [2020-07-08 22:09:25,043 INFO L263 TraceCheckUtils]: 15: Hoare triple {1681#(and (= 0 task_~t.offset) (= 0 task_~t.base))} call #t~ret26 := min(~t.base, ~t.offset); {1667#true} is VALID [2020-07-08 22:09:25,044 INFO L280 TraceCheckUtils]: 16: Hoare triple {1667#true} ~n.base, ~n.offset := #in~n.base, #in~n.offset; {1667#true} is VALID [2020-07-08 22:09:25,044 INFO L280 TraceCheckUtils]: 17: Hoare triple {1667#true} assume ~n.base == 0 && ~n.offset == 0; {1667#true} is VALID [2020-07-08 22:09:25,045 INFO L280 TraceCheckUtils]: 18: Hoare triple {1667#true} #res := 2147483647; {1667#true} is VALID [2020-07-08 22:09:25,045 INFO L280 TraceCheckUtils]: 19: Hoare triple {1667#true} assume true; {1667#true} is VALID [2020-07-08 22:09:25,052 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1667#true} {1681#(and (= 0 task_~t.offset) (= 0 task_~t.base))} #246#return; {1681#(and (= 0 task_~t.offset) (= 0 task_~t.base))} is VALID [2020-07-08 22:09:25,053 INFO L280 TraceCheckUtils]: 21: Hoare triple {1681#(and (= 0 task_~t.offset) (= 0 task_~t.base))} assume -2147483648 <= #t~ret26 && #t~ret26 <= 2147483647; {1681#(and (= 0 task_~t.offset) (= 0 task_~t.base))} is VALID [2020-07-08 22:09:25,053 INFO L280 TraceCheckUtils]: 22: Hoare triple {1681#(and (= 0 task_~t.offset) (= 0 task_~t.base))} ~a~1 := #t~ret26; {1681#(and (= 0 task_~t.offset) (= 0 task_~t.base))} is VALID [2020-07-08 22:09:25,054 INFO L280 TraceCheckUtils]: 23: Hoare triple {1681#(and (= 0 task_~t.offset) (= 0 task_~t.base))} havoc #t~ret26; {1681#(and (= 0 task_~t.offset) (= 0 task_~t.base))} is VALID [2020-07-08 22:09:25,057 INFO L280 TraceCheckUtils]: 24: Hoare triple {1681#(and (= 0 task_~t.offset) (= 0 task_~t.base))} SUMMARY for call ~#b~1.base, ~#b~1.offset := #Ultimate.allocOnStack(4); srcloc: L77 {1681#(and (= 0 task_~t.offset) (= 0 task_~t.base))} is VALID [2020-07-08 22:09:25,057 INFO L263 TraceCheckUtils]: 25: Hoare triple {1681#(and (= 0 task_~t.offset) (= 0 task_~t.base))} call #t~ret27 := size(~t.base, ~t.offset); {1667#true} is VALID [2020-07-08 22:09:25,065 INFO L280 TraceCheckUtils]: 26: Hoare triple {1667#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {1729#(and (= |size_#in~t.base| size_~t.base) (= |size_#in~t.offset| size_~t.offset))} is VALID [2020-07-08 22:09:25,067 INFO L280 TraceCheckUtils]: 27: Hoare triple {1729#(and (= |size_#in~t.base| size_~t.base) (= |size_#in~t.offset| size_~t.offset))} assume !(~t.base == 0 && ~t.offset == 0); {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:25,068 INFO L280 TraceCheckUtils]: 28: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} SUMMARY for call #t~mem22.base, #t~mem22.offset := read~$Pointer$(~t.base, 4 + ~t.offset, 4); srcloc: L72 {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:25,068 INFO L263 TraceCheckUtils]: 29: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} call #t~ret23 := size(#t~mem22.base, #t~mem22.offset); {1667#true} is VALID [2020-07-08 22:09:25,068 INFO L280 TraceCheckUtils]: 30: Hoare triple {1667#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {1667#true} is VALID [2020-07-08 22:09:25,069 INFO L280 TraceCheckUtils]: 31: Hoare triple {1667#true} assume ~t.base == 0 && ~t.offset == 0; {1667#true} is VALID [2020-07-08 22:09:25,069 INFO L280 TraceCheckUtils]: 32: Hoare triple {1667#true} #res := 0; {1667#true} is VALID [2020-07-08 22:09:25,069 INFO L280 TraceCheckUtils]: 33: Hoare triple {1667#true} assume true; {1667#true} is VALID [2020-07-08 22:09:25,072 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {1667#true} {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} #272#return; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:25,073 INFO L280 TraceCheckUtils]: 35: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:25,074 INFO L280 TraceCheckUtils]: 36: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} SUMMARY for call #t~mem24.base, #t~mem24.offset := read~$Pointer$(~t.base, 8 + ~t.offset, 4); srcloc: L72-3 {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:25,074 INFO L263 TraceCheckUtils]: 37: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} call #t~ret25 := size(#t~mem24.base, #t~mem24.offset); {1667#true} is VALID [2020-07-08 22:09:25,074 INFO L280 TraceCheckUtils]: 38: Hoare triple {1667#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {1667#true} is VALID [2020-07-08 22:09:25,075 INFO L280 TraceCheckUtils]: 39: Hoare triple {1667#true} assume ~t.base == 0 && ~t.offset == 0; {1667#true} is VALID [2020-07-08 22:09:25,075 INFO L280 TraceCheckUtils]: 40: Hoare triple {1667#true} #res := 0; {1667#true} is VALID [2020-07-08 22:09:25,075 INFO L280 TraceCheckUtils]: 41: Hoare triple {1667#true} assume true; {1667#true} is VALID [2020-07-08 22:09:25,077 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {1667#true} {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} #274#return; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:25,077 INFO L280 TraceCheckUtils]: 43: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:25,078 INFO L280 TraceCheckUtils]: 44: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} #res := 1 + (#t~ret23 + #t~ret25); {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:25,079 INFO L280 TraceCheckUtils]: 45: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} havoc #t~ret23; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:25,080 INFO L280 TraceCheckUtils]: 46: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} havoc #t~mem22.base, #t~mem22.offset; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:25,081 INFO L280 TraceCheckUtils]: 47: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} havoc #t~ret25; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:25,081 INFO L280 TraceCheckUtils]: 48: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} havoc #t~mem24.base, #t~mem24.offset; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:25,082 INFO L280 TraceCheckUtils]: 49: Hoare triple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} assume true; {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} is VALID [2020-07-08 22:09:25,084 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {1730#(or (not (= |size_#in~t.offset| 0)) (not (= 0 |size_#in~t.base|)))} {1681#(and (= 0 task_~t.offset) (= 0 task_~t.base))} #248#return; {1668#false} is VALID [2020-07-08 22:09:25,084 INFO L280 TraceCheckUtils]: 51: Hoare triple {1668#false} assume -2147483648 <= #t~ret27 && #t~ret27 <= 2147483647; {1668#false} is VALID [2020-07-08 22:09:25,084 INFO L280 TraceCheckUtils]: 52: Hoare triple {1668#false} ~n~1 := #t~ret27; {1668#false} is VALID [2020-07-08 22:09:25,085 INFO L280 TraceCheckUtils]: 53: Hoare triple {1668#false} havoc #t~ret27; {1668#false} is VALID [2020-07-08 22:09:25,085 INFO L263 TraceCheckUtils]: 54: Hoare triple {1668#false} call assume_cycle_if_not((if 0 != ~n~1 then 1 else 0)); {1667#true} is VALID [2020-07-08 22:09:25,085 INFO L280 TraceCheckUtils]: 55: Hoare triple {1667#true} ~cond := #in~cond; {1667#true} is VALID [2020-07-08 22:09:25,086 INFO L280 TraceCheckUtils]: 56: Hoare triple {1667#true} assume !(0 == ~cond); {1667#true} is VALID [2020-07-08 22:09:25,086 INFO L280 TraceCheckUtils]: 57: Hoare triple {1667#true} assume true; {1667#true} is VALID [2020-07-08 22:09:25,086 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {1667#true} {1668#false} #250#return; {1668#false} is VALID [2020-07-08 22:09:25,087 INFO L280 TraceCheckUtils]: 59: Hoare triple {1668#false} SUMMARY for call #t~malloc28.base, #t~malloc28.offset := #Ultimate.allocOnHeap(4 * ~n~1); srcloc: L80-1 {1668#false} is VALID [2020-07-08 22:09:25,087 INFO L263 TraceCheckUtils]: 60: Hoare triple {1668#false} call #Ultimate.meminit(#t~malloc28.base, #t~malloc28.offset, ~n~1, 4, 4 * ~n~1); {1741#(= |#memory_int| |old(#memory_int)|)} is VALID [2020-07-08 22:09:25,089 INFO L280 TraceCheckUtils]: 61: Hoare triple {1741#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {1667#true} is VALID [2020-07-08 22:09:25,089 INFO L280 TraceCheckUtils]: 62: Hoare triple {1667#true} assume true; {1667#true} is VALID [2020-07-08 22:09:25,089 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {1667#true} {1668#false} #252#return; {1668#false} is VALID [2020-07-08 22:09:25,090 INFO L280 TraceCheckUtils]: 64: Hoare triple {1668#false} ~x~0.base, ~x~0.offset := #t~malloc28.base, #t~malloc28.offset; {1668#false} is VALID [2020-07-08 22:09:25,090 INFO L263 TraceCheckUtils]: 65: Hoare triple {1668#false} call #t~ret29 := tree_inorder(~t.base, ~t.offset, ~x~0.base, ~x~0.offset, ~n~1); {1742#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:09:25,091 INFO L280 TraceCheckUtils]: 66: Hoare triple {1742#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {1667#true} is VALID [2020-07-08 22:09:25,091 INFO L280 TraceCheckUtils]: 67: Hoare triple {1667#true} ~a.base, ~a.offset := #in~a.base, #in~a.offset; {1667#true} is VALID [2020-07-08 22:09:25,092 INFO L280 TraceCheckUtils]: 68: Hoare triple {1667#true} ~i := #in~i; {1667#true} is VALID [2020-07-08 22:09:25,092 INFO L280 TraceCheckUtils]: 69: Hoare triple {1667#true} assume ~t.base == 0 && ~t.offset == 0; {1667#true} is VALID [2020-07-08 22:09:25,092 INFO L280 TraceCheckUtils]: 70: Hoare triple {1667#true} #res := ~i; {1667#true} is VALID [2020-07-08 22:09:25,093 INFO L280 TraceCheckUtils]: 71: Hoare triple {1667#true} assume true; {1667#true} is VALID [2020-07-08 22:09:25,093 INFO L275 TraceCheckUtils]: 72: Hoare quadruple {1667#true} {1668#false} #254#return; {1668#false} is VALID [2020-07-08 22:09:25,094 INFO L280 TraceCheckUtils]: 73: Hoare triple {1668#false} assume -2147483648 <= #t~ret29 && #t~ret29 <= 2147483647; {1668#false} is VALID [2020-07-08 22:09:25,094 INFO L280 TraceCheckUtils]: 74: Hoare triple {1668#false} havoc #t~ret29; {1668#false} is VALID [2020-07-08 22:09:25,094 INFO L280 TraceCheckUtils]: 75: Hoare triple {1668#false} SUMMARY for call #t~mem30 := read~int(~x~0.base, ~x~0.offset, 4); srcloc: L83 {1668#false} is VALID [2020-07-08 22:09:25,095 INFO L263 TraceCheckUtils]: 76: Hoare triple {1668#false} call __VERIFIER_assert((if ~a~1 == #t~mem30 then 1 else 0)); {1668#false} is VALID [2020-07-08 22:09:25,095 INFO L280 TraceCheckUtils]: 77: Hoare triple {1668#false} ~cond := #in~cond; {1668#false} is VALID [2020-07-08 22:09:25,096 INFO L280 TraceCheckUtils]: 78: Hoare triple {1668#false} assume 0 == ~cond; {1668#false} is VALID [2020-07-08 22:09:25,096 INFO L280 TraceCheckUtils]: 79: Hoare triple {1668#false} assume !false; {1668#false} is VALID [2020-07-08 22:09:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-08 22:09:25,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991811043] [2020-07-08 22:09:25,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:09:25,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-07-08 22:09:25,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603561999] [2020-07-08 22:09:25,117 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 80 [2020-07-08 22:09:25,117 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:09:25,118 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2020-07-08 22:09:25,231 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:25,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-08 22:09:25,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:09:25,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-08 22:09:25,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-08 22:09:25,233 INFO L87 Difference]: Start difference. First operand 180 states and 204 transitions. Second operand 12 states. [2020-07-08 22:09:29,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:29,814 INFO L93 Difference]: Finished difference Result 321 states and 367 transitions. [2020-07-08 22:09:29,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-08 22:09:29,815 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 80 [2020-07-08 22:09:29,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:09:29,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-08 22:09:29,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 363 transitions. [2020-07-08 22:09:29,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-08 22:09:29,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 363 transitions. [2020-07-08 22:09:29,833 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 363 transitions. [2020-07-08 22:09:30,322 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 363 edges. 363 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:30,330 INFO L225 Difference]: With dead ends: 321 [2020-07-08 22:09:30,331 INFO L226 Difference]: Without dead ends: 192 [2020-07-08 22:09:30,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2020-07-08 22:09:30,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-07-08 22:09:30,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 182. [2020-07-08 22:09:30,671 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:09:30,671 INFO L82 GeneralOperation]: Start isEquivalent. First operand 192 states. Second operand 182 states. [2020-07-08 22:09:30,671 INFO L74 IsIncluded]: Start isIncluded. First operand 192 states. Second operand 182 states. [2020-07-08 22:09:30,671 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 182 states. [2020-07-08 22:09:30,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:30,683 INFO L93 Difference]: Finished difference Result 192 states and 220 transitions. [2020-07-08 22:09:30,683 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 220 transitions. [2020-07-08 22:09:30,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:30,688 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:30,689 INFO L74 IsIncluded]: Start isIncluded. First operand 182 states. Second operand 192 states. [2020-07-08 22:09:30,689 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 192 states. [2020-07-08 22:09:30,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:30,701 INFO L93 Difference]: Finished difference Result 192 states and 220 transitions. [2020-07-08 22:09:30,702 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 220 transitions. [2020-07-08 22:09:30,705 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:30,705 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:30,705 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:09:30,706 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:09:30,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-07-08 22:09:30,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 207 transitions. [2020-07-08 22:09:30,718 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 207 transitions. Word has length 80 [2020-07-08 22:09:30,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:09:30,719 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 207 transitions. [2020-07-08 22:09:30,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-08 22:09:30,719 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 182 states and 207 transitions. [2020-07-08 22:09:31,048 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 207 edges. 207 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:31,049 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 207 transitions. [2020-07-08 22:09:31,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-07-08 22:09:31,051 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:09:31,052 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:09:31,052 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 22:09:31,052 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:09:31,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:09:31,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1011523, now seen corresponding path program 1 times [2020-07-08 22:09:31,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:09:31,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562988616] [2020-07-08 22:09:31,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:09:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:31,191 INFO L280 TraceCheckUtils]: 0: Hoare triple {3233#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3153#true} is VALID [2020-07-08 22:09:31,192 INFO L280 TraceCheckUtils]: 1: Hoare triple {3153#true} #valid := #valid[0 := 0]; {3153#true} is VALID [2020-07-08 22:09:31,192 INFO L280 TraceCheckUtils]: 2: Hoare triple {3153#true} assume 0 < #StackHeapBarrier; {3153#true} is VALID [2020-07-08 22:09:31,192 INFO L280 TraceCheckUtils]: 3: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,192 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3153#true} {3153#true} #276#return; {3153#true} is VALID [2020-07-08 22:09:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:31,336 INFO L280 TraceCheckUtils]: 0: Hoare triple {3234#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume 0 != #t~nondet1 % 256; {3153#true} is VALID [2020-07-08 22:09:31,337 INFO L280 TraceCheckUtils]: 1: Hoare triple {3153#true} havoc #t~nondet1; {3153#true} is VALID [2020-07-08 22:09:31,337 INFO L280 TraceCheckUtils]: 2: Hoare triple {3153#true} #res.base, #res.offset := 0, 0; {3153#true} is VALID [2020-07-08 22:09:31,338 INFO L280 TraceCheckUtils]: 3: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,339 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3153#true} {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} #242#return; {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:31,355 INFO L280 TraceCheckUtils]: 0: Hoare triple {3234#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume 0 != #t~nondet1 % 256; {3153#true} is VALID [2020-07-08 22:09:31,356 INFO L280 TraceCheckUtils]: 1: Hoare triple {3153#true} havoc #t~nondet1; {3153#true} is VALID [2020-07-08 22:09:31,356 INFO L280 TraceCheckUtils]: 2: Hoare triple {3153#true} #res.base, #res.offset := 0, 0; {3153#true} is VALID [2020-07-08 22:09:31,358 INFO L280 TraceCheckUtils]: 3: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,360 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3153#true} {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} #244#return; {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,360 INFO L280 TraceCheckUtils]: 0: Hoare triple {3234#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume !(0 != #t~nondet1 % 256); {3153#true} is VALID [2020-07-08 22:09:31,361 INFO L280 TraceCheckUtils]: 1: Hoare triple {3153#true} havoc #t~nondet1; {3153#true} is VALID [2020-07-08 22:09:31,363 INFO L280 TraceCheckUtils]: 2: Hoare triple {3153#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12); srcloc: L26 {3235#(or (< 0 |nondet_tree_#t~malloc2.base|) (<= (+ |nondet_tree_#t~malloc2.base| 1) 0))} is VALID [2020-07-08 22:09:31,365 INFO L280 TraceCheckUtils]: 3: Hoare triple {3235#(or (< 0 |nondet_tree_#t~malloc2.base|) (<= (+ |nondet_tree_#t~malloc2.base| 1) 0))} ~n~0.base, ~n~0.offset := #t~malloc2.base, #t~malloc2.offset; {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,366 INFO L280 TraceCheckUtils]: 4: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,367 INFO L280 TraceCheckUtils]: 5: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} SUMMARY for call write~int(#t~nondet3, ~n~0.base, ~n~0.offset, 4); srcloc: L27-1 {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,368 INFO L280 TraceCheckUtils]: 6: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} havoc #t~nondet3; {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,370 INFO L263 TraceCheckUtils]: 7: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} call #t~ret4.base, #t~ret4.offset := nondet_tree(); {3234#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:09:31,370 INFO L280 TraceCheckUtils]: 8: Hoare triple {3234#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume 0 != #t~nondet1 % 256; {3153#true} is VALID [2020-07-08 22:09:31,370 INFO L280 TraceCheckUtils]: 9: Hoare triple {3153#true} havoc #t~nondet1; {3153#true} is VALID [2020-07-08 22:09:31,371 INFO L280 TraceCheckUtils]: 10: Hoare triple {3153#true} #res.base, #res.offset := 0, 0; {3153#true} is VALID [2020-07-08 22:09:31,371 INFO L280 TraceCheckUtils]: 11: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,372 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {3153#true} {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} #242#return; {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,372 INFO L280 TraceCheckUtils]: 13: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} SUMMARY for call write~$Pointer$(#t~ret4.base, #t~ret4.offset, ~n~0.base, 4 + ~n~0.offset, 4); srcloc: L28-1 {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,373 INFO L280 TraceCheckUtils]: 14: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} havoc #t~ret4.base, #t~ret4.offset; {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,374 INFO L263 TraceCheckUtils]: 15: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} call #t~ret5.base, #t~ret5.offset := nondet_tree(); {3234#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:09:31,374 INFO L280 TraceCheckUtils]: 16: Hoare triple {3234#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume 0 != #t~nondet1 % 256; {3153#true} is VALID [2020-07-08 22:09:31,375 INFO L280 TraceCheckUtils]: 17: Hoare triple {3153#true} havoc #t~nondet1; {3153#true} is VALID [2020-07-08 22:09:31,375 INFO L280 TraceCheckUtils]: 18: Hoare triple {3153#true} #res.base, #res.offset := 0, 0; {3153#true} is VALID [2020-07-08 22:09:31,375 INFO L280 TraceCheckUtils]: 19: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,377 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3153#true} {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} #244#return; {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,378 INFO L280 TraceCheckUtils]: 21: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} SUMMARY for call write~$Pointer$(#t~ret5.base, #t~ret5.offset, ~n~0.base, 8 + ~n~0.offset, 4); srcloc: L29-1 {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,378 INFO L280 TraceCheckUtils]: 22: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} havoc #t~ret5.base, #t~ret5.offset; {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,379 INFO L280 TraceCheckUtils]: 23: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} #res.base, #res.offset := ~n~0.base, ~n~0.offset; {3247#(or (<= (+ |nondet_tree_#res.base| 1) 0) (<= 1 |nondet_tree_#res.base|))} is VALID [2020-07-08 22:09:31,380 INFO L280 TraceCheckUtils]: 24: Hoare triple {3247#(or (<= (+ |nondet_tree_#res.base| 1) 0) (<= 1 |nondet_tree_#res.base|))} assume true; {3247#(or (<= (+ |nondet_tree_#res.base| 1) 0) (<= 1 |nondet_tree_#res.base|))} is VALID [2020-07-08 22:09:31,381 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {3247#(or (<= (+ |nondet_tree_#res.base| 1) 0) (<= 1 |nondet_tree_#res.base|))} {3153#true} #232#return; {3186#(not (= 0 |main_#t~ret39.base|))} is VALID [2020-07-08 22:09:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:31,425 INFO L280 TraceCheckUtils]: 0: Hoare triple {3153#true} ~n.base, ~n.offset := #in~n.base, #in~n.offset; {3248#(= min_~n.base |min_#in~n.base|)} is VALID [2020-07-08 22:09:31,426 INFO L280 TraceCheckUtils]: 1: Hoare triple {3248#(= min_~n.base |min_#in~n.base|)} assume ~n.base == 0 && ~n.offset == 0; {3249#(= 0 |min_#in~n.base|)} is VALID [2020-07-08 22:09:31,427 INFO L280 TraceCheckUtils]: 2: Hoare triple {3249#(= 0 |min_#in~n.base|)} #res := 2147483647; {3249#(= 0 |min_#in~n.base|)} is VALID [2020-07-08 22:09:31,428 INFO L280 TraceCheckUtils]: 3: Hoare triple {3249#(= 0 |min_#in~n.base|)} assume true; {3249#(= 0 |min_#in~n.base|)} is VALID [2020-07-08 22:09:31,429 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3249#(= 0 |min_#in~n.base|)} {3188#(not (= 0 task_~t.base))} #246#return; {3154#false} is VALID [2020-07-08 22:09:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:31,450 INFO L280 TraceCheckUtils]: 0: Hoare triple {3153#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {3153#true} is VALID [2020-07-08 22:09:31,451 INFO L280 TraceCheckUtils]: 1: Hoare triple {3153#true} assume ~t.base == 0 && ~t.offset == 0; {3153#true} is VALID [2020-07-08 22:09:31,451 INFO L280 TraceCheckUtils]: 2: Hoare triple {3153#true} #res := 0; {3153#true} is VALID [2020-07-08 22:09:31,451 INFO L280 TraceCheckUtils]: 3: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,452 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3153#true} {3153#true} #272#return; {3153#true} is VALID [2020-07-08 22:09:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:31,456 INFO L280 TraceCheckUtils]: 0: Hoare triple {3153#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {3153#true} is VALID [2020-07-08 22:09:31,457 INFO L280 TraceCheckUtils]: 1: Hoare triple {3153#true} assume ~t.base == 0 && ~t.offset == 0; {3153#true} is VALID [2020-07-08 22:09:31,457 INFO L280 TraceCheckUtils]: 2: Hoare triple {3153#true} #res := 0; {3153#true} is VALID [2020-07-08 22:09:31,457 INFO L280 TraceCheckUtils]: 3: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,458 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {3153#true} {3153#true} #274#return; {3153#true} is VALID [2020-07-08 22:09:31,458 INFO L280 TraceCheckUtils]: 0: Hoare triple {3153#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {3153#true} is VALID [2020-07-08 22:09:31,458 INFO L280 TraceCheckUtils]: 1: Hoare triple {3153#true} assume !(~t.base == 0 && ~t.offset == 0); {3153#true} is VALID [2020-07-08 22:09:31,459 INFO L280 TraceCheckUtils]: 2: Hoare triple {3153#true} SUMMARY for call #t~mem22.base, #t~mem22.offset := read~$Pointer$(~t.base, 4 + ~t.offset, 4); srcloc: L72 {3153#true} is VALID [2020-07-08 22:09:31,459 INFO L263 TraceCheckUtils]: 3: Hoare triple {3153#true} call #t~ret23 := size(#t~mem22.base, #t~mem22.offset); {3153#true} is VALID [2020-07-08 22:09:31,462 INFO L280 TraceCheckUtils]: 4: Hoare triple {3153#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {3153#true} is VALID [2020-07-08 22:09:31,463 INFO L280 TraceCheckUtils]: 5: Hoare triple {3153#true} assume ~t.base == 0 && ~t.offset == 0; {3153#true} is VALID [2020-07-08 22:09:31,463 INFO L280 TraceCheckUtils]: 6: Hoare triple {3153#true} #res := 0; {3153#true} is VALID [2020-07-08 22:09:31,463 INFO L280 TraceCheckUtils]: 7: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,464 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3153#true} {3153#true} #272#return; {3153#true} is VALID [2020-07-08 22:09:31,464 INFO L280 TraceCheckUtils]: 9: Hoare triple {3153#true} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647; {3153#true} is VALID [2020-07-08 22:09:31,464 INFO L280 TraceCheckUtils]: 10: Hoare triple {3153#true} SUMMARY for call #t~mem24.base, #t~mem24.offset := read~$Pointer$(~t.base, 8 + ~t.offset, 4); srcloc: L72-3 {3153#true} is VALID [2020-07-08 22:09:31,464 INFO L263 TraceCheckUtils]: 11: Hoare triple {3153#true} call #t~ret25 := size(#t~mem24.base, #t~mem24.offset); {3153#true} is VALID [2020-07-08 22:09:31,465 INFO L280 TraceCheckUtils]: 12: Hoare triple {3153#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {3153#true} is VALID [2020-07-08 22:09:31,465 INFO L280 TraceCheckUtils]: 13: Hoare triple {3153#true} assume ~t.base == 0 && ~t.offset == 0; {3153#true} is VALID [2020-07-08 22:09:31,465 INFO L280 TraceCheckUtils]: 14: Hoare triple {3153#true} #res := 0; {3153#true} is VALID [2020-07-08 22:09:31,465 INFO L280 TraceCheckUtils]: 15: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,465 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {3153#true} {3153#true} #274#return; {3153#true} is VALID [2020-07-08 22:09:31,466 INFO L280 TraceCheckUtils]: 17: Hoare triple {3153#true} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647; {3153#true} is VALID [2020-07-08 22:09:31,466 INFO L280 TraceCheckUtils]: 18: Hoare triple {3153#true} #res := 1 + (#t~ret23 + #t~ret25); {3153#true} is VALID [2020-07-08 22:09:31,467 INFO L280 TraceCheckUtils]: 19: Hoare triple {3153#true} havoc #t~ret23; {3153#true} is VALID [2020-07-08 22:09:31,467 INFO L280 TraceCheckUtils]: 20: Hoare triple {3153#true} havoc #t~mem22.base, #t~mem22.offset; {3153#true} is VALID [2020-07-08 22:09:31,468 INFO L280 TraceCheckUtils]: 21: Hoare triple {3153#true} havoc #t~ret25; {3153#true} is VALID [2020-07-08 22:09:31,468 INFO L280 TraceCheckUtils]: 22: Hoare triple {3153#true} havoc #t~mem24.base, #t~mem24.offset; {3153#true} is VALID [2020-07-08 22:09:31,468 INFO L280 TraceCheckUtils]: 23: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,469 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {3153#true} {3154#false} #248#return; {3154#false} is VALID [2020-07-08 22:09:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:31,480 INFO L280 TraceCheckUtils]: 0: Hoare triple {3153#true} ~cond := #in~cond; {3153#true} is VALID [2020-07-08 22:09:31,481 INFO L280 TraceCheckUtils]: 1: Hoare triple {3153#true} assume !(0 == ~cond); {3153#true} is VALID [2020-07-08 22:09:31,481 INFO L280 TraceCheckUtils]: 2: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,482 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3153#true} {3154#false} #250#return; {3154#false} is VALID [2020-07-08 22:09:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:31,501 INFO L280 TraceCheckUtils]: 0: Hoare triple {3260#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {3153#true} is VALID [2020-07-08 22:09:31,502 INFO L280 TraceCheckUtils]: 1: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,502 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3153#true} {3154#false} #252#return; {3154#false} is VALID [2020-07-08 22:09:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:31,530 INFO L280 TraceCheckUtils]: 0: Hoare triple {3261#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {3153#true} is VALID [2020-07-08 22:09:31,531 INFO L280 TraceCheckUtils]: 1: Hoare triple {3153#true} ~a.base, ~a.offset := #in~a.base, #in~a.offset; {3153#true} is VALID [2020-07-08 22:09:31,531 INFO L280 TraceCheckUtils]: 2: Hoare triple {3153#true} ~i := #in~i; {3153#true} is VALID [2020-07-08 22:09:31,532 INFO L280 TraceCheckUtils]: 3: Hoare triple {3153#true} assume ~t.base == 0 && ~t.offset == 0; {3153#true} is VALID [2020-07-08 22:09:31,532 INFO L280 TraceCheckUtils]: 4: Hoare triple {3153#true} #res := ~i; {3153#true} is VALID [2020-07-08 22:09:31,532 INFO L280 TraceCheckUtils]: 5: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,532 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {3153#true} {3154#false} #254#return; {3154#false} is VALID [2020-07-08 22:09:31,534 INFO L263 TraceCheckUtils]: 0: Hoare triple {3153#true} call ULTIMATE.init(); {3233#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:09:31,534 INFO L280 TraceCheckUtils]: 1: Hoare triple {3233#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3153#true} is VALID [2020-07-08 22:09:31,534 INFO L280 TraceCheckUtils]: 2: Hoare triple {3153#true} #valid := #valid[0 := 0]; {3153#true} is VALID [2020-07-08 22:09:31,534 INFO L280 TraceCheckUtils]: 3: Hoare triple {3153#true} assume 0 < #StackHeapBarrier; {3153#true} is VALID [2020-07-08 22:09:31,535 INFO L280 TraceCheckUtils]: 4: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,535 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3153#true} {3153#true} #276#return; {3153#true} is VALID [2020-07-08 22:09:31,538 INFO L263 TraceCheckUtils]: 6: Hoare triple {3153#true} call #t~ret40 := main(); {3153#true} is VALID [2020-07-08 22:09:31,544 INFO L263 TraceCheckUtils]: 7: Hoare triple {3153#true} call #t~ret39.base, #t~ret39.offset := nondet_tree(); {3234#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:09:31,545 INFO L280 TraceCheckUtils]: 8: Hoare triple {3234#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume !(0 != #t~nondet1 % 256); {3153#true} is VALID [2020-07-08 22:09:31,545 INFO L280 TraceCheckUtils]: 9: Hoare triple {3153#true} havoc #t~nondet1; {3153#true} is VALID [2020-07-08 22:09:31,549 INFO L280 TraceCheckUtils]: 10: Hoare triple {3153#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12); srcloc: L26 {3235#(or (< 0 |nondet_tree_#t~malloc2.base|) (<= (+ |nondet_tree_#t~malloc2.base| 1) 0))} is VALID [2020-07-08 22:09:31,550 INFO L280 TraceCheckUtils]: 11: Hoare triple {3235#(or (< 0 |nondet_tree_#t~malloc2.base|) (<= (+ |nondet_tree_#t~malloc2.base| 1) 0))} ~n~0.base, ~n~0.offset := #t~malloc2.base, #t~malloc2.offset; {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,551 INFO L280 TraceCheckUtils]: 12: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,551 INFO L280 TraceCheckUtils]: 13: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} SUMMARY for call write~int(#t~nondet3, ~n~0.base, ~n~0.offset, 4); srcloc: L27-1 {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,552 INFO L280 TraceCheckUtils]: 14: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} havoc #t~nondet3; {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,553 INFO L263 TraceCheckUtils]: 15: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} call #t~ret4.base, #t~ret4.offset := nondet_tree(); {3234#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:09:31,554 INFO L280 TraceCheckUtils]: 16: Hoare triple {3234#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume 0 != #t~nondet1 % 256; {3153#true} is VALID [2020-07-08 22:09:31,554 INFO L280 TraceCheckUtils]: 17: Hoare triple {3153#true} havoc #t~nondet1; {3153#true} is VALID [2020-07-08 22:09:31,554 INFO L280 TraceCheckUtils]: 18: Hoare triple {3153#true} #res.base, #res.offset := 0, 0; {3153#true} is VALID [2020-07-08 22:09:31,555 INFO L280 TraceCheckUtils]: 19: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,555 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3153#true} {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} #242#return; {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,556 INFO L280 TraceCheckUtils]: 21: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} SUMMARY for call write~$Pointer$(#t~ret4.base, #t~ret4.offset, ~n~0.base, 4 + ~n~0.offset, 4); srcloc: L28-1 {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,557 INFO L280 TraceCheckUtils]: 22: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} havoc #t~ret4.base, #t~ret4.offset; {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,558 INFO L263 TraceCheckUtils]: 23: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} call #t~ret5.base, #t~ret5.offset := nondet_tree(); {3234#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:09:31,559 INFO L280 TraceCheckUtils]: 24: Hoare triple {3234#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume 0 != #t~nondet1 % 256; {3153#true} is VALID [2020-07-08 22:09:31,559 INFO L280 TraceCheckUtils]: 25: Hoare triple {3153#true} havoc #t~nondet1; {3153#true} is VALID [2020-07-08 22:09:31,559 INFO L280 TraceCheckUtils]: 26: Hoare triple {3153#true} #res.base, #res.offset := 0, 0; {3153#true} is VALID [2020-07-08 22:09:31,560 INFO L280 TraceCheckUtils]: 27: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,563 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {3153#true} {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} #244#return; {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,564 INFO L280 TraceCheckUtils]: 29: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} SUMMARY for call write~$Pointer$(#t~ret5.base, #t~ret5.offset, ~n~0.base, 8 + ~n~0.offset, 4); srcloc: L29-1 {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,566 INFO L280 TraceCheckUtils]: 30: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} havoc #t~ret5.base, #t~ret5.offset; {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:31,566 INFO L280 TraceCheckUtils]: 31: Hoare triple {3236#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} #res.base, #res.offset := ~n~0.base, ~n~0.offset; {3247#(or (<= (+ |nondet_tree_#res.base| 1) 0) (<= 1 |nondet_tree_#res.base|))} is VALID [2020-07-08 22:09:31,567 INFO L280 TraceCheckUtils]: 32: Hoare triple {3247#(or (<= (+ |nondet_tree_#res.base| 1) 0) (<= 1 |nondet_tree_#res.base|))} assume true; {3247#(or (<= (+ |nondet_tree_#res.base| 1) 0) (<= 1 |nondet_tree_#res.base|))} is VALID [2020-07-08 22:09:31,568 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {3247#(or (<= (+ |nondet_tree_#res.base| 1) 0) (<= 1 |nondet_tree_#res.base|))} {3153#true} #232#return; {3186#(not (= 0 |main_#t~ret39.base|))} is VALID [2020-07-08 22:09:31,569 INFO L263 TraceCheckUtils]: 34: Hoare triple {3186#(not (= 0 |main_#t~ret39.base|))} call task(#t~ret39.base, #t~ret39.offset); {3187#(not (= |task_#in~t.base| 0))} is VALID [2020-07-08 22:09:31,570 INFO L280 TraceCheckUtils]: 35: Hoare triple {3187#(not (= |task_#in~t.base| 0))} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {3188#(not (= 0 task_~t.base))} is VALID [2020-07-08 22:09:31,570 INFO L263 TraceCheckUtils]: 36: Hoare triple {3188#(not (= 0 task_~t.base))} call #t~ret26 := min(~t.base, ~t.offset); {3153#true} is VALID [2020-07-08 22:09:31,571 INFO L280 TraceCheckUtils]: 37: Hoare triple {3153#true} ~n.base, ~n.offset := #in~n.base, #in~n.offset; {3248#(= min_~n.base |min_#in~n.base|)} is VALID [2020-07-08 22:09:31,572 INFO L280 TraceCheckUtils]: 38: Hoare triple {3248#(= min_~n.base |min_#in~n.base|)} assume ~n.base == 0 && ~n.offset == 0; {3249#(= 0 |min_#in~n.base|)} is VALID [2020-07-08 22:09:31,572 INFO L280 TraceCheckUtils]: 39: Hoare triple {3249#(= 0 |min_#in~n.base|)} #res := 2147483647; {3249#(= 0 |min_#in~n.base|)} is VALID [2020-07-08 22:09:31,573 INFO L280 TraceCheckUtils]: 40: Hoare triple {3249#(= 0 |min_#in~n.base|)} assume true; {3249#(= 0 |min_#in~n.base|)} is VALID [2020-07-08 22:09:31,574 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {3249#(= 0 |min_#in~n.base|)} {3188#(not (= 0 task_~t.base))} #246#return; {3154#false} is VALID [2020-07-08 22:09:31,574 INFO L280 TraceCheckUtils]: 42: Hoare triple {3154#false} assume -2147483648 <= #t~ret26 && #t~ret26 <= 2147483647; {3154#false} is VALID [2020-07-08 22:09:31,575 INFO L280 TraceCheckUtils]: 43: Hoare triple {3154#false} ~a~1 := #t~ret26; {3154#false} is VALID [2020-07-08 22:09:31,575 INFO L280 TraceCheckUtils]: 44: Hoare triple {3154#false} havoc #t~ret26; {3154#false} is VALID [2020-07-08 22:09:31,577 INFO L280 TraceCheckUtils]: 45: Hoare triple {3154#false} SUMMARY for call ~#b~1.base, ~#b~1.offset := #Ultimate.allocOnStack(4); srcloc: L77 {3154#false} is VALID [2020-07-08 22:09:31,577 INFO L263 TraceCheckUtils]: 46: Hoare triple {3154#false} call #t~ret27 := size(~t.base, ~t.offset); {3153#true} is VALID [2020-07-08 22:09:31,578 INFO L280 TraceCheckUtils]: 47: Hoare triple {3153#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {3153#true} is VALID [2020-07-08 22:09:31,578 INFO L280 TraceCheckUtils]: 48: Hoare triple {3153#true} assume !(~t.base == 0 && ~t.offset == 0); {3153#true} is VALID [2020-07-08 22:09:31,578 INFO L280 TraceCheckUtils]: 49: Hoare triple {3153#true} SUMMARY for call #t~mem22.base, #t~mem22.offset := read~$Pointer$(~t.base, 4 + ~t.offset, 4); srcloc: L72 {3153#true} is VALID [2020-07-08 22:09:31,579 INFO L263 TraceCheckUtils]: 50: Hoare triple {3153#true} call #t~ret23 := size(#t~mem22.base, #t~mem22.offset); {3153#true} is VALID [2020-07-08 22:09:31,579 INFO L280 TraceCheckUtils]: 51: Hoare triple {3153#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {3153#true} is VALID [2020-07-08 22:09:31,579 INFO L280 TraceCheckUtils]: 52: Hoare triple {3153#true} assume ~t.base == 0 && ~t.offset == 0; {3153#true} is VALID [2020-07-08 22:09:31,579 INFO L280 TraceCheckUtils]: 53: Hoare triple {3153#true} #res := 0; {3153#true} is VALID [2020-07-08 22:09:31,580 INFO L280 TraceCheckUtils]: 54: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,580 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {3153#true} {3153#true} #272#return; {3153#true} is VALID [2020-07-08 22:09:31,580 INFO L280 TraceCheckUtils]: 56: Hoare triple {3153#true} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647; {3153#true} is VALID [2020-07-08 22:09:31,580 INFO L280 TraceCheckUtils]: 57: Hoare triple {3153#true} SUMMARY for call #t~mem24.base, #t~mem24.offset := read~$Pointer$(~t.base, 8 + ~t.offset, 4); srcloc: L72-3 {3153#true} is VALID [2020-07-08 22:09:31,581 INFO L263 TraceCheckUtils]: 58: Hoare triple {3153#true} call #t~ret25 := size(#t~mem24.base, #t~mem24.offset); {3153#true} is VALID [2020-07-08 22:09:31,581 INFO L280 TraceCheckUtils]: 59: Hoare triple {3153#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {3153#true} is VALID [2020-07-08 22:09:31,585 INFO L280 TraceCheckUtils]: 60: Hoare triple {3153#true} assume ~t.base == 0 && ~t.offset == 0; {3153#true} is VALID [2020-07-08 22:09:31,585 INFO L280 TraceCheckUtils]: 61: Hoare triple {3153#true} #res := 0; {3153#true} is VALID [2020-07-08 22:09:31,585 INFO L280 TraceCheckUtils]: 62: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,586 INFO L275 TraceCheckUtils]: 63: Hoare quadruple {3153#true} {3153#true} #274#return; {3153#true} is VALID [2020-07-08 22:09:31,586 INFO L280 TraceCheckUtils]: 64: Hoare triple {3153#true} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647; {3153#true} is VALID [2020-07-08 22:09:31,586 INFO L280 TraceCheckUtils]: 65: Hoare triple {3153#true} #res := 1 + (#t~ret23 + #t~ret25); {3153#true} is VALID [2020-07-08 22:09:31,587 INFO L280 TraceCheckUtils]: 66: Hoare triple {3153#true} havoc #t~ret23; {3153#true} is VALID [2020-07-08 22:09:31,587 INFO L280 TraceCheckUtils]: 67: Hoare triple {3153#true} havoc #t~mem22.base, #t~mem22.offset; {3153#true} is VALID [2020-07-08 22:09:31,587 INFO L280 TraceCheckUtils]: 68: Hoare triple {3153#true} havoc #t~ret25; {3153#true} is VALID [2020-07-08 22:09:31,588 INFO L280 TraceCheckUtils]: 69: Hoare triple {3153#true} havoc #t~mem24.base, #t~mem24.offset; {3153#true} is VALID [2020-07-08 22:09:31,588 INFO L280 TraceCheckUtils]: 70: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,588 INFO L275 TraceCheckUtils]: 71: Hoare quadruple {3153#true} {3154#false} #248#return; {3154#false} is VALID [2020-07-08 22:09:31,588 INFO L280 TraceCheckUtils]: 72: Hoare triple {3154#false} assume -2147483648 <= #t~ret27 && #t~ret27 <= 2147483647; {3154#false} is VALID [2020-07-08 22:09:31,588 INFO L280 TraceCheckUtils]: 73: Hoare triple {3154#false} ~n~1 := #t~ret27; {3154#false} is VALID [2020-07-08 22:09:31,589 INFO L280 TraceCheckUtils]: 74: Hoare triple {3154#false} havoc #t~ret27; {3154#false} is VALID [2020-07-08 22:09:31,589 INFO L263 TraceCheckUtils]: 75: Hoare triple {3154#false} call assume_cycle_if_not((if 0 != ~n~1 then 1 else 0)); {3153#true} is VALID [2020-07-08 22:09:31,589 INFO L280 TraceCheckUtils]: 76: Hoare triple {3153#true} ~cond := #in~cond; {3153#true} is VALID [2020-07-08 22:09:31,589 INFO L280 TraceCheckUtils]: 77: Hoare triple {3153#true} assume !(0 == ~cond); {3153#true} is VALID [2020-07-08 22:09:31,590 INFO L280 TraceCheckUtils]: 78: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,590 INFO L275 TraceCheckUtils]: 79: Hoare quadruple {3153#true} {3154#false} #250#return; {3154#false} is VALID [2020-07-08 22:09:31,590 INFO L280 TraceCheckUtils]: 80: Hoare triple {3154#false} SUMMARY for call #t~malloc28.base, #t~malloc28.offset := #Ultimate.allocOnHeap(4 * ~n~1); srcloc: L80-1 {3154#false} is VALID [2020-07-08 22:09:31,590 INFO L263 TraceCheckUtils]: 81: Hoare triple {3154#false} call #Ultimate.meminit(#t~malloc28.base, #t~malloc28.offset, ~n~1, 4, 4 * ~n~1); {3260#(= |#memory_int| |old(#memory_int)|)} is VALID [2020-07-08 22:09:31,591 INFO L280 TraceCheckUtils]: 82: Hoare triple {3260#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {3153#true} is VALID [2020-07-08 22:09:31,591 INFO L280 TraceCheckUtils]: 83: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,591 INFO L275 TraceCheckUtils]: 84: Hoare quadruple {3153#true} {3154#false} #252#return; {3154#false} is VALID [2020-07-08 22:09:31,591 INFO L280 TraceCheckUtils]: 85: Hoare triple {3154#false} ~x~0.base, ~x~0.offset := #t~malloc28.base, #t~malloc28.offset; {3154#false} is VALID [2020-07-08 22:09:31,592 INFO L263 TraceCheckUtils]: 86: Hoare triple {3154#false} call #t~ret29 := tree_inorder(~t.base, ~t.offset, ~x~0.base, ~x~0.offset, ~n~1); {3261#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:09:31,592 INFO L280 TraceCheckUtils]: 87: Hoare triple {3261#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {3153#true} is VALID [2020-07-08 22:09:31,592 INFO L280 TraceCheckUtils]: 88: Hoare triple {3153#true} ~a.base, ~a.offset := #in~a.base, #in~a.offset; {3153#true} is VALID [2020-07-08 22:09:31,592 INFO L280 TraceCheckUtils]: 89: Hoare triple {3153#true} ~i := #in~i; {3153#true} is VALID [2020-07-08 22:09:31,592 INFO L280 TraceCheckUtils]: 90: Hoare triple {3153#true} assume ~t.base == 0 && ~t.offset == 0; {3153#true} is VALID [2020-07-08 22:09:31,593 INFO L280 TraceCheckUtils]: 91: Hoare triple {3153#true} #res := ~i; {3153#true} is VALID [2020-07-08 22:09:31,593 INFO L280 TraceCheckUtils]: 92: Hoare triple {3153#true} assume true; {3153#true} is VALID [2020-07-08 22:09:31,593 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {3153#true} {3154#false} #254#return; {3154#false} is VALID [2020-07-08 22:09:31,593 INFO L280 TraceCheckUtils]: 94: Hoare triple {3154#false} assume -2147483648 <= #t~ret29 && #t~ret29 <= 2147483647; {3154#false} is VALID [2020-07-08 22:09:31,594 INFO L280 TraceCheckUtils]: 95: Hoare triple {3154#false} havoc #t~ret29; {3154#false} is VALID [2020-07-08 22:09:31,594 INFO L280 TraceCheckUtils]: 96: Hoare triple {3154#false} SUMMARY for call #t~mem30 := read~int(~x~0.base, ~x~0.offset, 4); srcloc: L83 {3154#false} is VALID [2020-07-08 22:09:31,594 INFO L263 TraceCheckUtils]: 97: Hoare triple {3154#false} call __VERIFIER_assert((if ~a~1 == #t~mem30 then 1 else 0)); {3154#false} is VALID [2020-07-08 22:09:31,594 INFO L280 TraceCheckUtils]: 98: Hoare triple {3154#false} ~cond := #in~cond; {3154#false} is VALID [2020-07-08 22:09:31,595 INFO L280 TraceCheckUtils]: 99: Hoare triple {3154#false} assume 0 == ~cond; {3154#false} is VALID [2020-07-08 22:09:31,595 INFO L280 TraceCheckUtils]: 100: Hoare triple {3154#false} assume !false; {3154#false} is VALID [2020-07-08 22:09:31,606 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-07-08 22:09:31,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562988616] [2020-07-08 22:09:31,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:09:31,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-08 22:09:31,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989025165] [2020-07-08 22:09:31,609 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 101 [2020-07-08 22:09:31,610 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:09:31,610 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-08 22:09:31,704 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:31,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-08 22:09:31,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:09:31,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-08 22:09:31,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-07-08 22:09:31,705 INFO L87 Difference]: Start difference. First operand 182 states and 207 transitions. Second operand 14 states. [2020-07-08 22:09:36,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:36,807 INFO L93 Difference]: Finished difference Result 320 states and 366 transitions. [2020-07-08 22:09:36,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-08 22:09:36,807 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 101 [2020-07-08 22:09:36,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:09:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-08 22:09:36,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 358 transitions. [2020-07-08 22:09:36,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-08 22:09:36,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 358 transitions. [2020-07-08 22:09:36,828 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 358 transitions. [2020-07-08 22:09:37,318 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 358 edges. 358 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:37,324 INFO L225 Difference]: With dead ends: 320 [2020-07-08 22:09:37,324 INFO L226 Difference]: Without dead ends: 194 [2020-07-08 22:09:37,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=494, Unknown=0, NotChecked=0, Total=600 [2020-07-08 22:09:37,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-07-08 22:09:37,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 184. [2020-07-08 22:09:37,694 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:09:37,694 INFO L82 GeneralOperation]: Start isEquivalent. First operand 194 states. Second operand 184 states. [2020-07-08 22:09:37,694 INFO L74 IsIncluded]: Start isIncluded. First operand 194 states. Second operand 184 states. [2020-07-08 22:09:37,694 INFO L87 Difference]: Start difference. First operand 194 states. Second operand 184 states. [2020-07-08 22:09:37,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:37,706 INFO L93 Difference]: Finished difference Result 194 states and 223 transitions. [2020-07-08 22:09:37,706 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 223 transitions. [2020-07-08 22:09:37,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:37,708 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:37,708 INFO L74 IsIncluded]: Start isIncluded. First operand 184 states. Second operand 194 states. [2020-07-08 22:09:37,708 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 194 states. [2020-07-08 22:09:37,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:37,718 INFO L93 Difference]: Finished difference Result 194 states and 223 transitions. [2020-07-08 22:09:37,718 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 223 transitions. [2020-07-08 22:09:37,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:37,719 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:37,720 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:09:37,720 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:09:37,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-07-08 22:09:37,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 210 transitions. [2020-07-08 22:09:37,728 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 210 transitions. Word has length 101 [2020-07-08 22:09:37,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:09:37,730 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 210 transitions. [2020-07-08 22:09:37,730 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-08 22:09:37,730 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 184 states and 210 transitions. [2020-07-08 22:09:38,060 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 210 edges. 210 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:38,060 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 210 transitions. [2020-07-08 22:09:38,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-07-08 22:09:38,063 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:09:38,063 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:09:38,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 22:09:38,064 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:09:38,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:09:38,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1431902021, now seen corresponding path program 1 times [2020-07-08 22:09:38,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:09:38,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [10264855] [2020-07-08 22:09:38,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:09:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:38,183 INFO L280 TraceCheckUtils]: 0: Hoare triple {4790#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {4684#true} is VALID [2020-07-08 22:09:38,183 INFO L280 TraceCheckUtils]: 1: Hoare triple {4684#true} #valid := #valid[0 := 0]; {4684#true} is VALID [2020-07-08 22:09:38,184 INFO L280 TraceCheckUtils]: 2: Hoare triple {4684#true} assume 0 < #StackHeapBarrier; {4684#true} is VALID [2020-07-08 22:09:38,184 INFO L280 TraceCheckUtils]: 3: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,184 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4684#true} {4684#true} #276#return; {4684#true} is VALID [2020-07-08 22:09:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:38,315 INFO L280 TraceCheckUtils]: 0: Hoare triple {4791#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume 0 != #t~nondet1 % 256; {4684#true} is VALID [2020-07-08 22:09:38,315 INFO L280 TraceCheckUtils]: 1: Hoare triple {4684#true} havoc #t~nondet1; {4684#true} is VALID [2020-07-08 22:09:38,315 INFO L280 TraceCheckUtils]: 2: Hoare triple {4684#true} #res.base, #res.offset := 0, 0; {4684#true} is VALID [2020-07-08 22:09:38,316 INFO L280 TraceCheckUtils]: 3: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,317 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4684#true} {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} #242#return; {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:38,326 INFO L280 TraceCheckUtils]: 0: Hoare triple {4791#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume 0 != #t~nondet1 % 256; {4684#true} is VALID [2020-07-08 22:09:38,327 INFO L280 TraceCheckUtils]: 1: Hoare triple {4684#true} havoc #t~nondet1; {4684#true} is VALID [2020-07-08 22:09:38,327 INFO L280 TraceCheckUtils]: 2: Hoare triple {4684#true} #res.base, #res.offset := 0, 0; {4684#true} is VALID [2020-07-08 22:09:38,328 INFO L280 TraceCheckUtils]: 3: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,329 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4684#true} {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} #244#return; {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,329 INFO L280 TraceCheckUtils]: 0: Hoare triple {4791#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume !(0 != #t~nondet1 % 256); {4684#true} is VALID [2020-07-08 22:09:38,330 INFO L280 TraceCheckUtils]: 1: Hoare triple {4684#true} havoc #t~nondet1; {4684#true} is VALID [2020-07-08 22:09:38,331 INFO L280 TraceCheckUtils]: 2: Hoare triple {4684#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12); srcloc: L26 {4792#(or (< 0 |nondet_tree_#t~malloc2.base|) (<= (+ |nondet_tree_#t~malloc2.base| 1) 0))} is VALID [2020-07-08 22:09:38,333 INFO L280 TraceCheckUtils]: 3: Hoare triple {4792#(or (< 0 |nondet_tree_#t~malloc2.base|) (<= (+ |nondet_tree_#t~malloc2.base| 1) 0))} ~n~0.base, ~n~0.offset := #t~malloc2.base, #t~malloc2.offset; {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,334 INFO L280 TraceCheckUtils]: 4: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,334 INFO L280 TraceCheckUtils]: 5: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} SUMMARY for call write~int(#t~nondet3, ~n~0.base, ~n~0.offset, 4); srcloc: L27-1 {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,335 INFO L280 TraceCheckUtils]: 6: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} havoc #t~nondet3; {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,336 INFO L263 TraceCheckUtils]: 7: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} call #t~ret4.base, #t~ret4.offset := nondet_tree(); {4791#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:09:38,337 INFO L280 TraceCheckUtils]: 8: Hoare triple {4791#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume 0 != #t~nondet1 % 256; {4684#true} is VALID [2020-07-08 22:09:38,337 INFO L280 TraceCheckUtils]: 9: Hoare triple {4684#true} havoc #t~nondet1; {4684#true} is VALID [2020-07-08 22:09:38,337 INFO L280 TraceCheckUtils]: 10: Hoare triple {4684#true} #res.base, #res.offset := 0, 0; {4684#true} is VALID [2020-07-08 22:09:38,337 INFO L280 TraceCheckUtils]: 11: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,339 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {4684#true} {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} #242#return; {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,339 INFO L280 TraceCheckUtils]: 13: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} SUMMARY for call write~$Pointer$(#t~ret4.base, #t~ret4.offset, ~n~0.base, 4 + ~n~0.offset, 4); srcloc: L28-1 {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,340 INFO L280 TraceCheckUtils]: 14: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} havoc #t~ret4.base, #t~ret4.offset; {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,342 INFO L263 TraceCheckUtils]: 15: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} call #t~ret5.base, #t~ret5.offset := nondet_tree(); {4791#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:09:38,342 INFO L280 TraceCheckUtils]: 16: Hoare triple {4791#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume 0 != #t~nondet1 % 256; {4684#true} is VALID [2020-07-08 22:09:38,343 INFO L280 TraceCheckUtils]: 17: Hoare triple {4684#true} havoc #t~nondet1; {4684#true} is VALID [2020-07-08 22:09:38,343 INFO L280 TraceCheckUtils]: 18: Hoare triple {4684#true} #res.base, #res.offset := 0, 0; {4684#true} is VALID [2020-07-08 22:09:38,343 INFO L280 TraceCheckUtils]: 19: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,345 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {4684#true} {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} #244#return; {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,345 INFO L280 TraceCheckUtils]: 21: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} SUMMARY for call write~$Pointer$(#t~ret5.base, #t~ret5.offset, ~n~0.base, 8 + ~n~0.offset, 4); srcloc: L29-1 {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,346 INFO L280 TraceCheckUtils]: 22: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} havoc #t~ret5.base, #t~ret5.offset; {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,348 INFO L280 TraceCheckUtils]: 23: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} #res.base, #res.offset := ~n~0.base, ~n~0.offset; {4804#(or (<= (+ |nondet_tree_#res.base| 1) 0) (<= 1 |nondet_tree_#res.base|))} is VALID [2020-07-08 22:09:38,349 INFO L280 TraceCheckUtils]: 24: Hoare triple {4804#(or (<= (+ |nondet_tree_#res.base| 1) 0) (<= 1 |nondet_tree_#res.base|))} assume true; {4804#(or (<= (+ |nondet_tree_#res.base| 1) 0) (<= 1 |nondet_tree_#res.base|))} is VALID [2020-07-08 22:09:38,350 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {4804#(or (<= (+ |nondet_tree_#res.base| 1) 0) (<= 1 |nondet_tree_#res.base|))} {4684#true} #232#return; {4717#(not (= 0 |main_#t~ret39.base|))} is VALID [2020-07-08 22:09:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:38,379 INFO L280 TraceCheckUtils]: 0: Hoare triple {4684#true} ~n.base, ~n.offset := #in~n.base, #in~n.offset; {4684#true} is VALID [2020-07-08 22:09:38,380 INFO L280 TraceCheckUtils]: 1: Hoare triple {4684#true} assume ~n.base == 0 && ~n.offset == 0; {4684#true} is VALID [2020-07-08 22:09:38,380 INFO L280 TraceCheckUtils]: 2: Hoare triple {4684#true} #res := 2147483647; {4684#true} is VALID [2020-07-08 22:09:38,380 INFO L280 TraceCheckUtils]: 3: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,381 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4684#true} {4684#true} #238#return; {4684#true} is VALID [2020-07-08 22:09:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:38,385 INFO L280 TraceCheckUtils]: 0: Hoare triple {4684#true} ~n.base, ~n.offset := #in~n.base, #in~n.offset; {4684#true} is VALID [2020-07-08 22:09:38,386 INFO L280 TraceCheckUtils]: 1: Hoare triple {4684#true} assume ~n.base == 0 && ~n.offset == 0; {4684#true} is VALID [2020-07-08 22:09:38,386 INFO L280 TraceCheckUtils]: 2: Hoare triple {4684#true} #res := 2147483647; {4684#true} is VALID [2020-07-08 22:09:38,387 INFO L280 TraceCheckUtils]: 3: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,387 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4684#true} {4684#true} #240#return; {4684#true} is VALID [2020-07-08 22:09:38,388 INFO L280 TraceCheckUtils]: 0: Hoare triple {4684#true} ~n.base, ~n.offset := #in~n.base, #in~n.offset; {4684#true} is VALID [2020-07-08 22:09:38,388 INFO L280 TraceCheckUtils]: 1: Hoare triple {4684#true} assume !(~n.base == 0 && ~n.offset == 0); {4684#true} is VALID [2020-07-08 22:09:38,389 INFO L280 TraceCheckUtils]: 2: Hoare triple {4684#true} SUMMARY for call #t~mem6 := read~int(~n.base, ~n.offset, 4); srcloc: L38 {4684#true} is VALID [2020-07-08 22:09:38,389 INFO L280 TraceCheckUtils]: 3: Hoare triple {4684#true} ~a~0 := #t~mem6; {4684#true} is VALID [2020-07-08 22:09:38,389 INFO L280 TraceCheckUtils]: 4: Hoare triple {4684#true} havoc #t~mem6; {4684#true} is VALID [2020-07-08 22:09:38,390 INFO L280 TraceCheckUtils]: 5: Hoare triple {4684#true} SUMMARY for call #t~mem7.base, #t~mem7.offset := read~$Pointer$(~n.base, 4 + ~n.offset, 4); srcloc: L39 {4684#true} is VALID [2020-07-08 22:09:38,390 INFO L263 TraceCheckUtils]: 6: Hoare triple {4684#true} call #t~ret8 := min(#t~mem7.base, #t~mem7.offset); {4684#true} is VALID [2020-07-08 22:09:38,391 INFO L280 TraceCheckUtils]: 7: Hoare triple {4684#true} ~n.base, ~n.offset := #in~n.base, #in~n.offset; {4684#true} is VALID [2020-07-08 22:09:38,391 INFO L280 TraceCheckUtils]: 8: Hoare triple {4684#true} assume ~n.base == 0 && ~n.offset == 0; {4684#true} is VALID [2020-07-08 22:09:38,391 INFO L280 TraceCheckUtils]: 9: Hoare triple {4684#true} #res := 2147483647; {4684#true} is VALID [2020-07-08 22:09:38,391 INFO L280 TraceCheckUtils]: 10: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,392 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {4684#true} {4684#true} #238#return; {4684#true} is VALID [2020-07-08 22:09:38,392 INFO L280 TraceCheckUtils]: 12: Hoare triple {4684#true} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {4684#true} is VALID [2020-07-08 22:09:38,393 INFO L280 TraceCheckUtils]: 13: Hoare triple {4684#true} ~b~0 := #t~ret8; {4684#true} is VALID [2020-07-08 22:09:38,393 INFO L280 TraceCheckUtils]: 14: Hoare triple {4684#true} havoc #t~ret8; {4684#true} is VALID [2020-07-08 22:09:38,393 INFO L280 TraceCheckUtils]: 15: Hoare triple {4684#true} havoc #t~mem7.base, #t~mem7.offset; {4684#true} is VALID [2020-07-08 22:09:38,394 INFO L280 TraceCheckUtils]: 16: Hoare triple {4684#true} SUMMARY for call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~n.base, 8 + ~n.offset, 4); srcloc: L40 {4684#true} is VALID [2020-07-08 22:09:38,394 INFO L263 TraceCheckUtils]: 17: Hoare triple {4684#true} call #t~ret10 := min(#t~mem9.base, #t~mem9.offset); {4684#true} is VALID [2020-07-08 22:09:38,395 INFO L280 TraceCheckUtils]: 18: Hoare triple {4684#true} ~n.base, ~n.offset := #in~n.base, #in~n.offset; {4684#true} is VALID [2020-07-08 22:09:38,395 INFO L280 TraceCheckUtils]: 19: Hoare triple {4684#true} assume ~n.base == 0 && ~n.offset == 0; {4684#true} is VALID [2020-07-08 22:09:38,395 INFO L280 TraceCheckUtils]: 20: Hoare triple {4684#true} #res := 2147483647; {4684#true} is VALID [2020-07-08 22:09:38,396 INFO L280 TraceCheckUtils]: 21: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,396 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {4684#true} {4684#true} #240#return; {4684#true} is VALID [2020-07-08 22:09:38,396 INFO L280 TraceCheckUtils]: 23: Hoare triple {4684#true} assume -2147483648 <= #t~ret10 && #t~ret10 <= 2147483647; {4684#true} is VALID [2020-07-08 22:09:38,396 INFO L280 TraceCheckUtils]: 24: Hoare triple {4684#true} ~c~0 := #t~ret10; {4684#true} is VALID [2020-07-08 22:09:38,397 INFO L280 TraceCheckUtils]: 25: Hoare triple {4684#true} havoc #t~mem9.base, #t~mem9.offset; {4684#true} is VALID [2020-07-08 22:09:38,397 INFO L280 TraceCheckUtils]: 26: Hoare triple {4684#true} havoc #t~ret10; {4684#true} is VALID [2020-07-08 22:09:38,397 INFO L280 TraceCheckUtils]: 27: Hoare triple {4684#true} assume ~b~0 <= ~a~0 && ~b~0 <= ~c~0; {4684#true} is VALID [2020-07-08 22:09:38,398 INFO L280 TraceCheckUtils]: 28: Hoare triple {4684#true} #res := ~b~0; {4684#true} is VALID [2020-07-08 22:09:38,398 INFO L280 TraceCheckUtils]: 29: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,399 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {4684#true} {4719#(not (= 0 task_~t.base))} #246#return; {4719#(not (= 0 task_~t.base))} is VALID [2020-07-08 22:09:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:38,416 INFO L280 TraceCheckUtils]: 0: Hoare triple {4684#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {4684#true} is VALID [2020-07-08 22:09:38,416 INFO L280 TraceCheckUtils]: 1: Hoare triple {4684#true} assume ~t.base == 0 && ~t.offset == 0; {4684#true} is VALID [2020-07-08 22:09:38,417 INFO L280 TraceCheckUtils]: 2: Hoare triple {4684#true} #res := 0; {4684#true} is VALID [2020-07-08 22:09:38,417 INFO L280 TraceCheckUtils]: 3: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,418 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4684#true} {4684#true} #272#return; {4684#true} is VALID [2020-07-08 22:09:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:38,422 INFO L280 TraceCheckUtils]: 0: Hoare triple {4684#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {4684#true} is VALID [2020-07-08 22:09:38,423 INFO L280 TraceCheckUtils]: 1: Hoare triple {4684#true} assume ~t.base == 0 && ~t.offset == 0; {4684#true} is VALID [2020-07-08 22:09:38,423 INFO L280 TraceCheckUtils]: 2: Hoare triple {4684#true} #res := 0; {4684#true} is VALID [2020-07-08 22:09:38,424 INFO L280 TraceCheckUtils]: 3: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,424 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4684#true} {4684#true} #274#return; {4684#true} is VALID [2020-07-08 22:09:38,425 INFO L280 TraceCheckUtils]: 0: Hoare triple {4684#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {4684#true} is VALID [2020-07-08 22:09:38,425 INFO L280 TraceCheckUtils]: 1: Hoare triple {4684#true} assume !(~t.base == 0 && ~t.offset == 0); {4684#true} is VALID [2020-07-08 22:09:38,426 INFO L280 TraceCheckUtils]: 2: Hoare triple {4684#true} SUMMARY for call #t~mem22.base, #t~mem22.offset := read~$Pointer$(~t.base, 4 + ~t.offset, 4); srcloc: L72 {4684#true} is VALID [2020-07-08 22:09:38,426 INFO L263 TraceCheckUtils]: 3: Hoare triple {4684#true} call #t~ret23 := size(#t~mem22.base, #t~mem22.offset); {4684#true} is VALID [2020-07-08 22:09:38,426 INFO L280 TraceCheckUtils]: 4: Hoare triple {4684#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {4684#true} is VALID [2020-07-08 22:09:38,427 INFO L280 TraceCheckUtils]: 5: Hoare triple {4684#true} assume ~t.base == 0 && ~t.offset == 0; {4684#true} is VALID [2020-07-08 22:09:38,427 INFO L280 TraceCheckUtils]: 6: Hoare triple {4684#true} #res := 0; {4684#true} is VALID [2020-07-08 22:09:38,427 INFO L280 TraceCheckUtils]: 7: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,428 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4684#true} {4684#true} #272#return; {4684#true} is VALID [2020-07-08 22:09:38,428 INFO L280 TraceCheckUtils]: 9: Hoare triple {4684#true} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647; {4684#true} is VALID [2020-07-08 22:09:38,428 INFO L280 TraceCheckUtils]: 10: Hoare triple {4684#true} SUMMARY for call #t~mem24.base, #t~mem24.offset := read~$Pointer$(~t.base, 8 + ~t.offset, 4); srcloc: L72-3 {4684#true} is VALID [2020-07-08 22:09:38,428 INFO L263 TraceCheckUtils]: 11: Hoare triple {4684#true} call #t~ret25 := size(#t~mem24.base, #t~mem24.offset); {4684#true} is VALID [2020-07-08 22:09:38,429 INFO L280 TraceCheckUtils]: 12: Hoare triple {4684#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {4684#true} is VALID [2020-07-08 22:09:38,429 INFO L280 TraceCheckUtils]: 13: Hoare triple {4684#true} assume ~t.base == 0 && ~t.offset == 0; {4684#true} is VALID [2020-07-08 22:09:38,429 INFO L280 TraceCheckUtils]: 14: Hoare triple {4684#true} #res := 0; {4684#true} is VALID [2020-07-08 22:09:38,430 INFO L280 TraceCheckUtils]: 15: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,430 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {4684#true} {4684#true} #274#return; {4684#true} is VALID [2020-07-08 22:09:38,430 INFO L280 TraceCheckUtils]: 17: Hoare triple {4684#true} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647; {4684#true} is VALID [2020-07-08 22:09:38,430 INFO L280 TraceCheckUtils]: 18: Hoare triple {4684#true} #res := 1 + (#t~ret23 + #t~ret25); {4684#true} is VALID [2020-07-08 22:09:38,431 INFO L280 TraceCheckUtils]: 19: Hoare triple {4684#true} havoc #t~ret23; {4684#true} is VALID [2020-07-08 22:09:38,431 INFO L280 TraceCheckUtils]: 20: Hoare triple {4684#true} havoc #t~mem22.base, #t~mem22.offset; {4684#true} is VALID [2020-07-08 22:09:38,431 INFO L280 TraceCheckUtils]: 21: Hoare triple {4684#true} havoc #t~ret25; {4684#true} is VALID [2020-07-08 22:09:38,432 INFO L280 TraceCheckUtils]: 22: Hoare triple {4684#true} havoc #t~mem24.base, #t~mem24.offset; {4684#true} is VALID [2020-07-08 22:09:38,432 INFO L280 TraceCheckUtils]: 23: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,467 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {4684#true} {4719#(not (= 0 task_~t.base))} #248#return; {4719#(not (= 0 task_~t.base))} is VALID [2020-07-08 22:09:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:38,474 INFO L280 TraceCheckUtils]: 0: Hoare triple {4684#true} ~cond := #in~cond; {4684#true} is VALID [2020-07-08 22:09:38,475 INFO L280 TraceCheckUtils]: 1: Hoare triple {4684#true} assume !(0 == ~cond); {4684#true} is VALID [2020-07-08 22:09:38,475 INFO L280 TraceCheckUtils]: 2: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,476 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4684#true} {4719#(not (= 0 task_~t.base))} #250#return; {4719#(not (= 0 task_~t.base))} is VALID [2020-07-08 22:09:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:38,495 INFO L280 TraceCheckUtils]: 0: Hoare triple {4825#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {4684#true} is VALID [2020-07-08 22:09:38,496 INFO L280 TraceCheckUtils]: 1: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,497 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4684#true} {4719#(not (= 0 task_~t.base))} #252#return; {4719#(not (= 0 task_~t.base))} is VALID [2020-07-08 22:09:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:09:38,556 INFO L280 TraceCheckUtils]: 0: Hoare triple {4826#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {4827#(= |tree_inorder_#in~t.base| tree_inorder_~t.base)} is VALID [2020-07-08 22:09:38,557 INFO L280 TraceCheckUtils]: 1: Hoare triple {4827#(= |tree_inorder_#in~t.base| tree_inorder_~t.base)} ~a.base, ~a.offset := #in~a.base, #in~a.offset; {4827#(= |tree_inorder_#in~t.base| tree_inorder_~t.base)} is VALID [2020-07-08 22:09:38,558 INFO L280 TraceCheckUtils]: 2: Hoare triple {4827#(= |tree_inorder_#in~t.base| tree_inorder_~t.base)} ~i := #in~i; {4827#(= |tree_inorder_#in~t.base| tree_inorder_~t.base)} is VALID [2020-07-08 22:09:38,558 INFO L280 TraceCheckUtils]: 3: Hoare triple {4827#(= |tree_inorder_#in~t.base| tree_inorder_~t.base)} assume ~t.base == 0 && ~t.offset == 0; {4828#(= 0 |tree_inorder_#in~t.base|)} is VALID [2020-07-08 22:09:38,559 INFO L280 TraceCheckUtils]: 4: Hoare triple {4828#(= 0 |tree_inorder_#in~t.base|)} #res := ~i; {4828#(= 0 |tree_inorder_#in~t.base|)} is VALID [2020-07-08 22:09:38,560 INFO L280 TraceCheckUtils]: 5: Hoare triple {4828#(= 0 |tree_inorder_#in~t.base|)} assume true; {4828#(= 0 |tree_inorder_#in~t.base|)} is VALID [2020-07-08 22:09:38,561 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {4828#(= 0 |tree_inorder_#in~t.base|)} {4719#(not (= 0 task_~t.base))} #254#return; {4685#false} is VALID [2020-07-08 22:09:38,562 INFO L263 TraceCheckUtils]: 0: Hoare triple {4684#true} call ULTIMATE.init(); {4790#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:09:38,562 INFO L280 TraceCheckUtils]: 1: Hoare triple {4790#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {4684#true} is VALID [2020-07-08 22:09:38,563 INFO L280 TraceCheckUtils]: 2: Hoare triple {4684#true} #valid := #valid[0 := 0]; {4684#true} is VALID [2020-07-08 22:09:38,563 INFO L280 TraceCheckUtils]: 3: Hoare triple {4684#true} assume 0 < #StackHeapBarrier; {4684#true} is VALID [2020-07-08 22:09:38,563 INFO L280 TraceCheckUtils]: 4: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,563 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4684#true} {4684#true} #276#return; {4684#true} is VALID [2020-07-08 22:09:38,564 INFO L263 TraceCheckUtils]: 6: Hoare triple {4684#true} call #t~ret40 := main(); {4684#true} is VALID [2020-07-08 22:09:38,565 INFO L263 TraceCheckUtils]: 7: Hoare triple {4684#true} call #t~ret39.base, #t~ret39.offset := nondet_tree(); {4791#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:09:38,565 INFO L280 TraceCheckUtils]: 8: Hoare triple {4791#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume !(0 != #t~nondet1 % 256); {4684#true} is VALID [2020-07-08 22:09:38,565 INFO L280 TraceCheckUtils]: 9: Hoare triple {4684#true} havoc #t~nondet1; {4684#true} is VALID [2020-07-08 22:09:38,566 INFO L280 TraceCheckUtils]: 10: Hoare triple {4684#true} SUMMARY for call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12); srcloc: L26 {4792#(or (< 0 |nondet_tree_#t~malloc2.base|) (<= (+ |nondet_tree_#t~malloc2.base| 1) 0))} is VALID [2020-07-08 22:09:38,567 INFO L280 TraceCheckUtils]: 11: Hoare triple {4792#(or (< 0 |nondet_tree_#t~malloc2.base|) (<= (+ |nondet_tree_#t~malloc2.base| 1) 0))} ~n~0.base, ~n~0.offset := #t~malloc2.base, #t~malloc2.offset; {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,568 INFO L280 TraceCheckUtils]: 12: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,568 INFO L280 TraceCheckUtils]: 13: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} SUMMARY for call write~int(#t~nondet3, ~n~0.base, ~n~0.offset, 4); srcloc: L27-1 {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,569 INFO L280 TraceCheckUtils]: 14: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} havoc #t~nondet3; {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,570 INFO L263 TraceCheckUtils]: 15: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} call #t~ret4.base, #t~ret4.offset := nondet_tree(); {4791#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:09:38,570 INFO L280 TraceCheckUtils]: 16: Hoare triple {4791#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume 0 != #t~nondet1 % 256; {4684#true} is VALID [2020-07-08 22:09:38,570 INFO L280 TraceCheckUtils]: 17: Hoare triple {4684#true} havoc #t~nondet1; {4684#true} is VALID [2020-07-08 22:09:38,571 INFO L280 TraceCheckUtils]: 18: Hoare triple {4684#true} #res.base, #res.offset := 0, 0; {4684#true} is VALID [2020-07-08 22:09:38,571 INFO L280 TraceCheckUtils]: 19: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,572 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {4684#true} {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} #242#return; {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,572 INFO L280 TraceCheckUtils]: 21: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} SUMMARY for call write~$Pointer$(#t~ret4.base, #t~ret4.offset, ~n~0.base, 4 + ~n~0.offset, 4); srcloc: L28-1 {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,573 INFO L280 TraceCheckUtils]: 22: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} havoc #t~ret4.base, #t~ret4.offset; {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,574 INFO L263 TraceCheckUtils]: 23: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} call #t~ret5.base, #t~ret5.offset := nondet_tree(); {4791#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:09:38,575 INFO L280 TraceCheckUtils]: 24: Hoare triple {4791#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} assume 0 != #t~nondet1 % 256; {4684#true} is VALID [2020-07-08 22:09:38,575 INFO L280 TraceCheckUtils]: 25: Hoare triple {4684#true} havoc #t~nondet1; {4684#true} is VALID [2020-07-08 22:09:38,575 INFO L280 TraceCheckUtils]: 26: Hoare triple {4684#true} #res.base, #res.offset := 0, 0; {4684#true} is VALID [2020-07-08 22:09:38,575 INFO L280 TraceCheckUtils]: 27: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,576 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {4684#true} {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} #244#return; {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,577 INFO L280 TraceCheckUtils]: 29: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} SUMMARY for call write~$Pointer$(#t~ret5.base, #t~ret5.offset, ~n~0.base, 8 + ~n~0.offset, 4); srcloc: L29-1 {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,578 INFO L280 TraceCheckUtils]: 30: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} havoc #t~ret5.base, #t~ret5.offset; {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} is VALID [2020-07-08 22:09:38,579 INFO L280 TraceCheckUtils]: 31: Hoare triple {4793#(or (<= (+ nondet_tree_~n~0.base 1) 0) (<= 1 nondet_tree_~n~0.base))} #res.base, #res.offset := ~n~0.base, ~n~0.offset; {4804#(or (<= (+ |nondet_tree_#res.base| 1) 0) (<= 1 |nondet_tree_#res.base|))} is VALID [2020-07-08 22:09:38,580 INFO L280 TraceCheckUtils]: 32: Hoare triple {4804#(or (<= (+ |nondet_tree_#res.base| 1) 0) (<= 1 |nondet_tree_#res.base|))} assume true; {4804#(or (<= (+ |nondet_tree_#res.base| 1) 0) (<= 1 |nondet_tree_#res.base|))} is VALID [2020-07-08 22:09:38,581 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {4804#(or (<= (+ |nondet_tree_#res.base| 1) 0) (<= 1 |nondet_tree_#res.base|))} {4684#true} #232#return; {4717#(not (= 0 |main_#t~ret39.base|))} is VALID [2020-07-08 22:09:38,582 INFO L263 TraceCheckUtils]: 34: Hoare triple {4717#(not (= 0 |main_#t~ret39.base|))} call task(#t~ret39.base, #t~ret39.offset); {4718#(not (= |task_#in~t.base| 0))} is VALID [2020-07-08 22:09:38,583 INFO L280 TraceCheckUtils]: 35: Hoare triple {4718#(not (= |task_#in~t.base| 0))} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {4719#(not (= 0 task_~t.base))} is VALID [2020-07-08 22:09:38,583 INFO L263 TraceCheckUtils]: 36: Hoare triple {4719#(not (= 0 task_~t.base))} call #t~ret26 := min(~t.base, ~t.offset); {4684#true} is VALID [2020-07-08 22:09:38,584 INFO L280 TraceCheckUtils]: 37: Hoare triple {4684#true} ~n.base, ~n.offset := #in~n.base, #in~n.offset; {4684#true} is VALID [2020-07-08 22:09:38,584 INFO L280 TraceCheckUtils]: 38: Hoare triple {4684#true} assume !(~n.base == 0 && ~n.offset == 0); {4684#true} is VALID [2020-07-08 22:09:38,584 INFO L280 TraceCheckUtils]: 39: Hoare triple {4684#true} SUMMARY for call #t~mem6 := read~int(~n.base, ~n.offset, 4); srcloc: L38 {4684#true} is VALID [2020-07-08 22:09:38,584 INFO L280 TraceCheckUtils]: 40: Hoare triple {4684#true} ~a~0 := #t~mem6; {4684#true} is VALID [2020-07-08 22:09:38,584 INFO L280 TraceCheckUtils]: 41: Hoare triple {4684#true} havoc #t~mem6; {4684#true} is VALID [2020-07-08 22:09:38,585 INFO L280 TraceCheckUtils]: 42: Hoare triple {4684#true} SUMMARY for call #t~mem7.base, #t~mem7.offset := read~$Pointer$(~n.base, 4 + ~n.offset, 4); srcloc: L39 {4684#true} is VALID [2020-07-08 22:09:38,585 INFO L263 TraceCheckUtils]: 43: Hoare triple {4684#true} call #t~ret8 := min(#t~mem7.base, #t~mem7.offset); {4684#true} is VALID [2020-07-08 22:09:38,585 INFO L280 TraceCheckUtils]: 44: Hoare triple {4684#true} ~n.base, ~n.offset := #in~n.base, #in~n.offset; {4684#true} is VALID [2020-07-08 22:09:38,585 INFO L280 TraceCheckUtils]: 45: Hoare triple {4684#true} assume ~n.base == 0 && ~n.offset == 0; {4684#true} is VALID [2020-07-08 22:09:38,585 INFO L280 TraceCheckUtils]: 46: Hoare triple {4684#true} #res := 2147483647; {4684#true} is VALID [2020-07-08 22:09:38,586 INFO L280 TraceCheckUtils]: 47: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,586 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {4684#true} {4684#true} #238#return; {4684#true} is VALID [2020-07-08 22:09:38,586 INFO L280 TraceCheckUtils]: 49: Hoare triple {4684#true} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {4684#true} is VALID [2020-07-08 22:09:38,586 INFO L280 TraceCheckUtils]: 50: Hoare triple {4684#true} ~b~0 := #t~ret8; {4684#true} is VALID [2020-07-08 22:09:38,586 INFO L280 TraceCheckUtils]: 51: Hoare triple {4684#true} havoc #t~ret8; {4684#true} is VALID [2020-07-08 22:09:38,587 INFO L280 TraceCheckUtils]: 52: Hoare triple {4684#true} havoc #t~mem7.base, #t~mem7.offset; {4684#true} is VALID [2020-07-08 22:09:38,587 INFO L280 TraceCheckUtils]: 53: Hoare triple {4684#true} SUMMARY for call #t~mem9.base, #t~mem9.offset := read~$Pointer$(~n.base, 8 + ~n.offset, 4); srcloc: L40 {4684#true} is VALID [2020-07-08 22:09:38,587 INFO L263 TraceCheckUtils]: 54: Hoare triple {4684#true} call #t~ret10 := min(#t~mem9.base, #t~mem9.offset); {4684#true} is VALID [2020-07-08 22:09:38,587 INFO L280 TraceCheckUtils]: 55: Hoare triple {4684#true} ~n.base, ~n.offset := #in~n.base, #in~n.offset; {4684#true} is VALID [2020-07-08 22:09:38,587 INFO L280 TraceCheckUtils]: 56: Hoare triple {4684#true} assume ~n.base == 0 && ~n.offset == 0; {4684#true} is VALID [2020-07-08 22:09:38,588 INFO L280 TraceCheckUtils]: 57: Hoare triple {4684#true} #res := 2147483647; {4684#true} is VALID [2020-07-08 22:09:38,588 INFO L280 TraceCheckUtils]: 58: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,588 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {4684#true} {4684#true} #240#return; {4684#true} is VALID [2020-07-08 22:09:38,588 INFO L280 TraceCheckUtils]: 60: Hoare triple {4684#true} assume -2147483648 <= #t~ret10 && #t~ret10 <= 2147483647; {4684#true} is VALID [2020-07-08 22:09:38,588 INFO L280 TraceCheckUtils]: 61: Hoare triple {4684#true} ~c~0 := #t~ret10; {4684#true} is VALID [2020-07-08 22:09:38,589 INFO L280 TraceCheckUtils]: 62: Hoare triple {4684#true} havoc #t~mem9.base, #t~mem9.offset; {4684#true} is VALID [2020-07-08 22:09:38,589 INFO L280 TraceCheckUtils]: 63: Hoare triple {4684#true} havoc #t~ret10; {4684#true} is VALID [2020-07-08 22:09:38,589 INFO L280 TraceCheckUtils]: 64: Hoare triple {4684#true} assume ~b~0 <= ~a~0 && ~b~0 <= ~c~0; {4684#true} is VALID [2020-07-08 22:09:38,589 INFO L280 TraceCheckUtils]: 65: Hoare triple {4684#true} #res := ~b~0; {4684#true} is VALID [2020-07-08 22:09:38,589 INFO L280 TraceCheckUtils]: 66: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,591 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {4684#true} {4719#(not (= 0 task_~t.base))} #246#return; {4719#(not (= 0 task_~t.base))} is VALID [2020-07-08 22:09:38,591 INFO L280 TraceCheckUtils]: 68: Hoare triple {4719#(not (= 0 task_~t.base))} assume -2147483648 <= #t~ret26 && #t~ret26 <= 2147483647; {4719#(not (= 0 task_~t.base))} is VALID [2020-07-08 22:09:38,592 INFO L280 TraceCheckUtils]: 69: Hoare triple {4719#(not (= 0 task_~t.base))} ~a~1 := #t~ret26; {4719#(not (= 0 task_~t.base))} is VALID [2020-07-08 22:09:38,593 INFO L280 TraceCheckUtils]: 70: Hoare triple {4719#(not (= 0 task_~t.base))} havoc #t~ret26; {4719#(not (= 0 task_~t.base))} is VALID [2020-07-08 22:09:38,593 INFO L280 TraceCheckUtils]: 71: Hoare triple {4719#(not (= 0 task_~t.base))} SUMMARY for call ~#b~1.base, ~#b~1.offset := #Ultimate.allocOnStack(4); srcloc: L77 {4719#(not (= 0 task_~t.base))} is VALID [2020-07-08 22:09:38,593 INFO L263 TraceCheckUtils]: 72: Hoare triple {4719#(not (= 0 task_~t.base))} call #t~ret27 := size(~t.base, ~t.offset); {4684#true} is VALID [2020-07-08 22:09:38,594 INFO L280 TraceCheckUtils]: 73: Hoare triple {4684#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {4684#true} is VALID [2020-07-08 22:09:38,594 INFO L280 TraceCheckUtils]: 74: Hoare triple {4684#true} assume !(~t.base == 0 && ~t.offset == 0); {4684#true} is VALID [2020-07-08 22:09:38,594 INFO L280 TraceCheckUtils]: 75: Hoare triple {4684#true} SUMMARY for call #t~mem22.base, #t~mem22.offset := read~$Pointer$(~t.base, 4 + ~t.offset, 4); srcloc: L72 {4684#true} is VALID [2020-07-08 22:09:38,594 INFO L263 TraceCheckUtils]: 76: Hoare triple {4684#true} call #t~ret23 := size(#t~mem22.base, #t~mem22.offset); {4684#true} is VALID [2020-07-08 22:09:38,595 INFO L280 TraceCheckUtils]: 77: Hoare triple {4684#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {4684#true} is VALID [2020-07-08 22:09:38,595 INFO L280 TraceCheckUtils]: 78: Hoare triple {4684#true} assume ~t.base == 0 && ~t.offset == 0; {4684#true} is VALID [2020-07-08 22:09:38,595 INFO L280 TraceCheckUtils]: 79: Hoare triple {4684#true} #res := 0; {4684#true} is VALID [2020-07-08 22:09:38,595 INFO L280 TraceCheckUtils]: 80: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,595 INFO L275 TraceCheckUtils]: 81: Hoare quadruple {4684#true} {4684#true} #272#return; {4684#true} is VALID [2020-07-08 22:09:38,596 INFO L280 TraceCheckUtils]: 82: Hoare triple {4684#true} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647; {4684#true} is VALID [2020-07-08 22:09:38,596 INFO L280 TraceCheckUtils]: 83: Hoare triple {4684#true} SUMMARY for call #t~mem24.base, #t~mem24.offset := read~$Pointer$(~t.base, 8 + ~t.offset, 4); srcloc: L72-3 {4684#true} is VALID [2020-07-08 22:09:38,596 INFO L263 TraceCheckUtils]: 84: Hoare triple {4684#true} call #t~ret25 := size(#t~mem24.base, #t~mem24.offset); {4684#true} is VALID [2020-07-08 22:09:38,596 INFO L280 TraceCheckUtils]: 85: Hoare triple {4684#true} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {4684#true} is VALID [2020-07-08 22:09:38,596 INFO L280 TraceCheckUtils]: 86: Hoare triple {4684#true} assume ~t.base == 0 && ~t.offset == 0; {4684#true} is VALID [2020-07-08 22:09:38,597 INFO L280 TraceCheckUtils]: 87: Hoare triple {4684#true} #res := 0; {4684#true} is VALID [2020-07-08 22:09:38,597 INFO L280 TraceCheckUtils]: 88: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,597 INFO L275 TraceCheckUtils]: 89: Hoare quadruple {4684#true} {4684#true} #274#return; {4684#true} is VALID [2020-07-08 22:09:38,597 INFO L280 TraceCheckUtils]: 90: Hoare triple {4684#true} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647; {4684#true} is VALID [2020-07-08 22:09:38,597 INFO L280 TraceCheckUtils]: 91: Hoare triple {4684#true} #res := 1 + (#t~ret23 + #t~ret25); {4684#true} is VALID [2020-07-08 22:09:38,598 INFO L280 TraceCheckUtils]: 92: Hoare triple {4684#true} havoc #t~ret23; {4684#true} is VALID [2020-07-08 22:09:38,598 INFO L280 TraceCheckUtils]: 93: Hoare triple {4684#true} havoc #t~mem22.base, #t~mem22.offset; {4684#true} is VALID [2020-07-08 22:09:38,598 INFO L280 TraceCheckUtils]: 94: Hoare triple {4684#true} havoc #t~ret25; {4684#true} is VALID [2020-07-08 22:09:38,598 INFO L280 TraceCheckUtils]: 95: Hoare triple {4684#true} havoc #t~mem24.base, #t~mem24.offset; {4684#true} is VALID [2020-07-08 22:09:38,598 INFO L280 TraceCheckUtils]: 96: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,599 INFO L275 TraceCheckUtils]: 97: Hoare quadruple {4684#true} {4719#(not (= 0 task_~t.base))} #248#return; {4719#(not (= 0 task_~t.base))} is VALID [2020-07-08 22:09:38,600 INFO L280 TraceCheckUtils]: 98: Hoare triple {4719#(not (= 0 task_~t.base))} assume -2147483648 <= #t~ret27 && #t~ret27 <= 2147483647; {4719#(not (= 0 task_~t.base))} is VALID [2020-07-08 22:09:38,601 INFO L280 TraceCheckUtils]: 99: Hoare triple {4719#(not (= 0 task_~t.base))} ~n~1 := #t~ret27; {4719#(not (= 0 task_~t.base))} is VALID [2020-07-08 22:09:38,601 INFO L280 TraceCheckUtils]: 100: Hoare triple {4719#(not (= 0 task_~t.base))} havoc #t~ret27; {4719#(not (= 0 task_~t.base))} is VALID [2020-07-08 22:09:38,601 INFO L263 TraceCheckUtils]: 101: Hoare triple {4719#(not (= 0 task_~t.base))} call assume_cycle_if_not((if 0 != ~n~1 then 1 else 0)); {4684#true} is VALID [2020-07-08 22:09:38,602 INFO L280 TraceCheckUtils]: 102: Hoare triple {4684#true} ~cond := #in~cond; {4684#true} is VALID [2020-07-08 22:09:38,602 INFO L280 TraceCheckUtils]: 103: Hoare triple {4684#true} assume !(0 == ~cond); {4684#true} is VALID [2020-07-08 22:09:38,602 INFO L280 TraceCheckUtils]: 104: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,603 INFO L275 TraceCheckUtils]: 105: Hoare quadruple {4684#true} {4719#(not (= 0 task_~t.base))} #250#return; {4719#(not (= 0 task_~t.base))} is VALID [2020-07-08 22:09:38,603 INFO L280 TraceCheckUtils]: 106: Hoare triple {4719#(not (= 0 task_~t.base))} SUMMARY for call #t~malloc28.base, #t~malloc28.offset := #Ultimate.allocOnHeap(4 * ~n~1); srcloc: L80-1 {4719#(not (= 0 task_~t.base))} is VALID [2020-07-08 22:09:38,605 INFO L263 TraceCheckUtils]: 107: Hoare triple {4719#(not (= 0 task_~t.base))} call #Ultimate.meminit(#t~malloc28.base, #t~malloc28.offset, ~n~1, 4, 4 * ~n~1); {4825#(= |#memory_int| |old(#memory_int)|)} is VALID [2020-07-08 22:09:38,605 INFO L280 TraceCheckUtils]: 108: Hoare triple {4825#(= |#memory_int| |old(#memory_int)|)} #memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #ptr.base); {4684#true} is VALID [2020-07-08 22:09:38,605 INFO L280 TraceCheckUtils]: 109: Hoare triple {4684#true} assume true; {4684#true} is VALID [2020-07-08 22:09:38,606 INFO L275 TraceCheckUtils]: 110: Hoare quadruple {4684#true} {4719#(not (= 0 task_~t.base))} #252#return; {4719#(not (= 0 task_~t.base))} is VALID [2020-07-08 22:09:38,607 INFO L280 TraceCheckUtils]: 111: Hoare triple {4719#(not (= 0 task_~t.base))} ~x~0.base, ~x~0.offset := #t~malloc28.base, #t~malloc28.offset; {4719#(not (= 0 task_~t.base))} is VALID [2020-07-08 22:09:38,609 INFO L263 TraceCheckUtils]: 112: Hoare triple {4719#(not (= 0 task_~t.base))} call #t~ret29 := tree_inorder(~t.base, ~t.offset, ~x~0.base, ~x~0.offset, ~n~1); {4826#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:09:38,609 INFO L280 TraceCheckUtils]: 113: Hoare triple {4826#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~t.base, ~t.offset := #in~t.base, #in~t.offset; {4827#(= |tree_inorder_#in~t.base| tree_inorder_~t.base)} is VALID [2020-07-08 22:09:38,610 INFO L280 TraceCheckUtils]: 114: Hoare triple {4827#(= |tree_inorder_#in~t.base| tree_inorder_~t.base)} ~a.base, ~a.offset := #in~a.base, #in~a.offset; {4827#(= |tree_inorder_#in~t.base| tree_inorder_~t.base)} is VALID [2020-07-08 22:09:38,611 INFO L280 TraceCheckUtils]: 115: Hoare triple {4827#(= |tree_inorder_#in~t.base| tree_inorder_~t.base)} ~i := #in~i; {4827#(= |tree_inorder_#in~t.base| tree_inorder_~t.base)} is VALID [2020-07-08 22:09:38,611 INFO L280 TraceCheckUtils]: 116: Hoare triple {4827#(= |tree_inorder_#in~t.base| tree_inorder_~t.base)} assume ~t.base == 0 && ~t.offset == 0; {4828#(= 0 |tree_inorder_#in~t.base|)} is VALID [2020-07-08 22:09:38,612 INFO L280 TraceCheckUtils]: 117: Hoare triple {4828#(= 0 |tree_inorder_#in~t.base|)} #res := ~i; {4828#(= 0 |tree_inorder_#in~t.base|)} is VALID [2020-07-08 22:09:38,612 INFO L280 TraceCheckUtils]: 118: Hoare triple {4828#(= 0 |tree_inorder_#in~t.base|)} assume true; {4828#(= 0 |tree_inorder_#in~t.base|)} is VALID [2020-07-08 22:09:38,614 INFO L275 TraceCheckUtils]: 119: Hoare quadruple {4828#(= 0 |tree_inorder_#in~t.base|)} {4719#(not (= 0 task_~t.base))} #254#return; {4685#false} is VALID [2020-07-08 22:09:38,614 INFO L280 TraceCheckUtils]: 120: Hoare triple {4685#false} assume -2147483648 <= #t~ret29 && #t~ret29 <= 2147483647; {4685#false} is VALID [2020-07-08 22:09:38,615 INFO L280 TraceCheckUtils]: 121: Hoare triple {4685#false} havoc #t~ret29; {4685#false} is VALID [2020-07-08 22:09:38,615 INFO L280 TraceCheckUtils]: 122: Hoare triple {4685#false} SUMMARY for call #t~mem30 := read~int(~x~0.base, ~x~0.offset, 4); srcloc: L83 {4685#false} is VALID [2020-07-08 22:09:38,615 INFO L263 TraceCheckUtils]: 123: Hoare triple {4685#false} call __VERIFIER_assert((if ~a~1 == #t~mem30 then 1 else 0)); {4685#false} is VALID [2020-07-08 22:09:38,615 INFO L280 TraceCheckUtils]: 124: Hoare triple {4685#false} ~cond := #in~cond; {4685#false} is VALID [2020-07-08 22:09:38,615 INFO L280 TraceCheckUtils]: 125: Hoare triple {4685#false} assume 0 == ~cond; {4685#false} is VALID [2020-07-08 22:09:38,616 INFO L280 TraceCheckUtils]: 126: Hoare triple {4685#false} assume !false; {4685#false} is VALID [2020-07-08 22:09:38,635 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-07-08 22:09:38,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [10264855] [2020-07-08 22:09:38,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:09:38,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-08 22:09:38,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924786609] [2020-07-08 22:09:38,637 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 127 [2020-07-08 22:09:38,637 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:09:38,638 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-08 22:09:38,764 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:38,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-08 22:09:38,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:09:38,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-08 22:09:38,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-07-08 22:09:38,765 INFO L87 Difference]: Start difference. First operand 184 states and 210 transitions. Second operand 14 states. [2020-07-08 22:09:44,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:44,067 INFO L93 Difference]: Finished difference Result 303 states and 345 transitions. [2020-07-08 22:09:44,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-08 22:09:44,067 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 127 [2020-07-08 22:09:44,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:09:44,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-08 22:09:44,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 334 transitions. [2020-07-08 22:09:44,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-08 22:09:44,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 334 transitions. [2020-07-08 22:09:44,083 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 334 transitions. [2020-07-08 22:09:44,562 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 334 edges. 334 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:44,571 INFO L225 Difference]: With dead ends: 303 [2020-07-08 22:09:44,571 INFO L226 Difference]: Without dead ends: 194 [2020-07-08 22:09:44,573 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2020-07-08 22:09:44,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-07-08 22:09:45,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 186. [2020-07-08 22:09:45,003 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:09:45,003 INFO L82 GeneralOperation]: Start isEquivalent. First operand 194 states. Second operand 186 states. [2020-07-08 22:09:45,003 INFO L74 IsIncluded]: Start isIncluded. First operand 194 states. Second operand 186 states. [2020-07-08 22:09:45,003 INFO L87 Difference]: Start difference. First operand 194 states. Second operand 186 states. [2020-07-08 22:09:45,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:45,013 INFO L93 Difference]: Finished difference Result 194 states and 221 transitions. [2020-07-08 22:09:45,014 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 221 transitions. [2020-07-08 22:09:45,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:45,015 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:45,015 INFO L74 IsIncluded]: Start isIncluded. First operand 186 states. Second operand 194 states. [2020-07-08 22:09:45,016 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 194 states. [2020-07-08 22:09:45,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:09:45,025 INFO L93 Difference]: Finished difference Result 194 states and 221 transitions. [2020-07-08 22:09:45,026 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 221 transitions. [2020-07-08 22:09:45,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:09:45,027 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:09:45,027 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:09:45,027 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:09:45,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-07-08 22:09:45,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 213 transitions. [2020-07-08 22:09:45,037 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 213 transitions. Word has length 127 [2020-07-08 22:09:45,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:09:45,038 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 213 transitions. [2020-07-08 22:09:45,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-08 22:09:45,038 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 186 states and 213 transitions. [2020-07-08 22:09:45,384 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 213 edges. 213 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:09:45,385 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 213 transitions. [2020-07-08 22:09:45,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-08 22:09:45,388 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:09:45,388 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:09:45,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 22:09:45,389 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:09:45,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:09:45,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1422485650, now seen corresponding path program 1 times [2020-07-08 22:09:45,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:09:45,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [564877485] [2020-07-08 22:09:45,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:09:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 22:09:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 22:09:45,535 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-08 22:09:45,535 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 22:09:45,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-08 22:09:45,620 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 22:09:45,620 WARN L170 areAnnotationChecker]: minENTRY has no Hoare annotation [2020-07-08 22:09:45,620 WARN L170 areAnnotationChecker]: taskENTRY has no Hoare annotation [2020-07-08 22:09:45,621 WARN L170 areAnnotationChecker]: sizeENTRY has no Hoare annotation [2020-07-08 22:09:45,621 WARN L170 areAnnotationChecker]: nondet_treeENTRY has no Hoare annotation [2020-07-08 22:09:45,621 WARN L170 areAnnotationChecker]: nondet_treeENTRY has no Hoare annotation [2020-07-08 22:09:45,621 WARN L170 areAnnotationChecker]: assume_cycle_if_notENTRY has no Hoare annotation [2020-07-08 22:09:45,621 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 22:09:45,621 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 22:09:45,621 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 22:09:45,621 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 22:09:45,622 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-08 22:09:45,622 WARN L170 areAnnotationChecker]: #Ultimate.meminitENTRY has no Hoare annotation [2020-07-08 22:09:45,622 WARN L170 areAnnotationChecker]: tree_inorderENTRY has no Hoare annotation [2020-07-08 22:09:45,622 WARN L170 areAnnotationChecker]: tree_delENTRY has no Hoare annotation [2020-07-08 22:09:45,622 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 22:09:45,622 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-08 22:09:45,622 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-08 22:09:45,622 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-08 22:09:45,622 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-08 22:09:45,623 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-08 22:09:45,623 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-08 22:09:45,623 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-08 22:09:45,623 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-08 22:09:45,623 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-08 22:09:45,623 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-08 22:09:45,623 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 22:09:45,623 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 22:09:45,623 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2020-07-08 22:09:45,624 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2020-07-08 22:09:45,624 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-08 22:09:45,624 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-08 22:09:45,624 WARN L170 areAnnotationChecker]: #Ultimate.meminitFINAL has no Hoare annotation [2020-07-08 22:09:45,624 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-08 22:09:45,624 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-08 22:09:45,624 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-08 22:09:45,625 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-08 22:09:45,625 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-08 22:09:45,625 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-08 22:09:45,625 WARN L170 areAnnotationChecker]: L71-1 has no Hoare annotation [2020-07-08 22:09:45,625 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2020-07-08 22:09:45,625 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-08 22:09:45,625 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-08 22:09:45,625 WARN L170 areAnnotationChecker]: L9-3 has no Hoare annotation [2020-07-08 22:09:45,625 WARN L170 areAnnotationChecker]: L9-3 has no Hoare annotation [2020-07-08 22:09:45,626 WARN L170 areAnnotationChecker]: L9-3 has no Hoare annotation [2020-07-08 22:09:45,626 WARN L170 areAnnotationChecker]: L9-5 has no Hoare annotation [2020-07-08 22:09:45,626 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 22:09:45,626 WARN L170 areAnnotationChecker]: L100-1 has no Hoare annotation [2020-07-08 22:09:45,626 WARN L170 areAnnotationChecker]: L14-1 has no Hoare annotation [2020-07-08 22:09:45,626 WARN L170 areAnnotationChecker]: L14-1 has no Hoare annotation [2020-07-08 22:09:45,626 WARN L170 areAnnotationChecker]: L14-3 has no Hoare annotation [2020-07-08 22:09:45,626 WARN L170 areAnnotationChecker]: #Ultimate.meminitEXIT has no Hoare annotation [2020-07-08 22:09:45,626 WARN L170 areAnnotationChecker]: #Ultimate.meminitEXIT has no Hoare annotation [2020-07-08 22:09:45,627 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-08 22:09:45,627 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-08 22:09:45,627 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 22:09:45,627 WARN L170 areAnnotationChecker]: minFINAL has no Hoare annotation [2020-07-08 22:09:45,627 WARN L170 areAnnotationChecker]: L38-1 has no Hoare annotation [2020-07-08 22:09:45,627 WARN L170 areAnnotationChecker]: L76-2 has no Hoare annotation [2020-07-08 22:09:45,627 WARN L170 areAnnotationChecker]: sizeFINAL has no Hoare annotation [2020-07-08 22:09:45,627 WARN L170 areAnnotationChecker]: L72-1 has no Hoare annotation [2020-07-08 22:09:45,627 WARN L170 areAnnotationChecker]: L72-1 has no Hoare annotation [2020-07-08 22:09:45,628 WARN L170 areAnnotationChecker]: nondet_treeFINAL has no Hoare annotation [2020-07-08 22:09:45,628 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2020-07-08 22:09:45,628 WARN L170 areAnnotationChecker]: assume_cycle_if_notEXIT has no Hoare annotation [2020-07-08 22:09:45,628 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 22:09:45,628 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-08 22:09:45,628 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-08 22:09:45,628 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-08 22:09:45,628 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-08 22:09:45,628 WARN L170 areAnnotationChecker]: L81-1 has no Hoare annotation [2020-07-08 22:09:45,628 WARN L170 areAnnotationChecker]: L88-2 has no Hoare annotation [2020-07-08 22:09:45,629 WARN L170 areAnnotationChecker]: L60 has no Hoare annotation [2020-07-08 22:09:45,629 WARN L170 areAnnotationChecker]: L60 has no Hoare annotation [2020-07-08 22:09:45,629 WARN L170 areAnnotationChecker]: L50 has no Hoare annotation [2020-07-08 22:09:45,629 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 22:09:45,629 WARN L170 areAnnotationChecker]: minEXIT has no Hoare annotation [2020-07-08 22:09:45,629 WARN L170 areAnnotationChecker]: minEXIT has no Hoare annotation [2020-07-08 22:09:45,629 WARN L170 areAnnotationChecker]: minEXIT has no Hoare annotation [2020-07-08 22:09:45,629 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-08 22:09:45,630 WARN L170 areAnnotationChecker]: L76-3 has no Hoare annotation [2020-07-08 22:09:45,630 WARN L170 areAnnotationChecker]: sizeEXIT has no Hoare annotation [2020-07-08 22:09:45,630 WARN L170 areAnnotationChecker]: sizeEXIT has no Hoare annotation [2020-07-08 22:09:45,630 WARN L170 areAnnotationChecker]: sizeEXIT has no Hoare annotation [2020-07-08 22:09:45,630 WARN L170 areAnnotationChecker]: sizeEXIT has no Hoare annotation [2020-07-08 22:09:45,630 WARN L170 areAnnotationChecker]: L72-2 has no Hoare annotation [2020-07-08 22:09:45,630 WARN L170 areAnnotationChecker]: nondet_treeEXIT has no Hoare annotation [2020-07-08 22:09:45,630 WARN L170 areAnnotationChecker]: nondet_treeEXIT has no Hoare annotation [2020-07-08 22:09:45,630 WARN L170 areAnnotationChecker]: nondet_treeEXIT has no Hoare annotation [2020-07-08 22:09:45,631 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-08 22:09:45,631 WARN L170 areAnnotationChecker]: L80-1 has no Hoare annotation [2020-07-08 22:09:45,631 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 22:09:45,631 WARN L170 areAnnotationChecker]: L83-2 has no Hoare annotation [2020-07-08 22:09:45,631 WARN L170 areAnnotationChecker]: L86-2 has no Hoare annotation [2020-07-08 22:09:45,631 WARN L170 areAnnotationChecker]: L91-1 has no Hoare annotation [2020-07-08 22:09:45,631 WARN L170 areAnnotationChecker]: L94-3 has no Hoare annotation [2020-07-08 22:09:45,631 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-08 22:09:45,631 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-08 22:09:45,632 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-08 22:09:45,632 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-08 22:09:45,632 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-08 22:09:45,632 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-08 22:09:45,632 WARN L170 areAnnotationChecker]: L50-1 has no Hoare annotation [2020-07-08 22:09:45,632 WARN L170 areAnnotationChecker]: L50-1 has no Hoare annotation [2020-07-08 22:09:45,632 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2020-07-08 22:09:45,632 WARN L170 areAnnotationChecker]: L40-2 has no Hoare annotation [2020-07-08 22:09:45,632 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-08 22:09:45,632 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-08 22:09:45,633 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-08 22:09:45,633 WARN L170 areAnnotationChecker]: L87-1 has no Hoare annotation [2020-07-08 22:09:45,633 WARN L170 areAnnotationChecker]: L72-5 has no Hoare annotation [2020-07-08 22:09:45,633 WARN L170 areAnnotationChecker]: L72-3 has no Hoare annotation [2020-07-08 22:09:45,633 WARN L170 areAnnotationChecker]: L28-1 has no Hoare annotation [2020-07-08 22:09:45,633 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-08 22:09:45,633 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2020-07-08 22:09:45,633 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-08 22:09:45,633 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-08 22:09:45,634 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-08 22:09:45,634 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-08 22:09:45,634 WARN L170 areAnnotationChecker]: L87 has no Hoare annotation [2020-07-08 22:09:45,634 WARN L170 areAnnotationChecker]: L87 has no Hoare annotation [2020-07-08 22:09:45,634 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-08 22:09:45,634 WARN L170 areAnnotationChecker]: L94-4 has no Hoare annotation [2020-07-08 22:09:45,634 WARN L170 areAnnotationChecker]: L82-1 has no Hoare annotation [2020-07-08 22:09:45,634 WARN L170 areAnnotationChecker]: L89-1 has no Hoare annotation [2020-07-08 22:09:45,634 WARN L170 areAnnotationChecker]: tree_inorderFINAL has no Hoare annotation [2020-07-08 22:09:45,634 WARN L170 areAnnotationChecker]: L63-1 has no Hoare annotation [2020-07-08 22:09:45,635 WARN L170 areAnnotationChecker]: L63-1 has no Hoare annotation [2020-07-08 22:09:45,635 WARN L170 areAnnotationChecker]: L50-2 has no Hoare annotation [2020-07-08 22:09:45,635 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2020-07-08 22:09:45,635 WARN L170 areAnnotationChecker]: L39-3 has no Hoare annotation [2020-07-08 22:09:45,635 WARN L170 areAnnotationChecker]: L40-3 has no Hoare annotation [2020-07-08 22:09:45,635 WARN L170 areAnnotationChecker]: L39-1 has no Hoare annotation [2020-07-08 22:09:45,635 WARN L170 areAnnotationChecker]: L39-1 has no Hoare annotation [2020-07-08 22:09:45,635 WARN L170 areAnnotationChecker]: L77-1 has no Hoare annotation [2020-07-08 22:09:45,635 WARN L170 areAnnotationChecker]: L77-1 has no Hoare annotation [2020-07-08 22:09:45,635 WARN L170 areAnnotationChecker]: L79-1 has no Hoare annotation [2020-07-08 22:09:45,636 WARN L170 areAnnotationChecker]: L87-2 has no Hoare annotation [2020-07-08 22:09:45,636 WARN L170 areAnnotationChecker]: L72-6 has no Hoare annotation [2020-07-08 22:09:45,636 WARN L170 areAnnotationChecker]: L72-4 has no Hoare annotation [2020-07-08 22:09:45,636 WARN L170 areAnnotationChecker]: L72-4 has no Hoare annotation [2020-07-08 22:09:45,636 WARN L170 areAnnotationChecker]: L28-2 has no Hoare annotation [2020-07-08 22:09:45,636 WARN L170 areAnnotationChecker]: L29-2 has no Hoare annotation [2020-07-08 22:09:45,636 WARN L170 areAnnotationChecker]: L27-2 has no Hoare annotation [2020-07-08 22:09:45,636 WARN L170 areAnnotationChecker]: L85-1 has no Hoare annotation [2020-07-08 22:09:45,636 WARN L170 areAnnotationChecker]: L93-6 has no Hoare annotation [2020-07-08 22:09:45,637 WARN L170 areAnnotationChecker]: L93-6 has no Hoare annotation [2020-07-08 22:09:45,637 WARN L170 areAnnotationChecker]: L93-6 has no Hoare annotation [2020-07-08 22:09:45,637 WARN L170 areAnnotationChecker]: L93-3 has no Hoare annotation [2020-07-08 22:09:45,637 WARN L170 areAnnotationChecker]: L82-2 has no Hoare annotation [2020-07-08 22:09:45,637 WARN L170 areAnnotationChecker]: L89-2 has no Hoare annotation [2020-07-08 22:09:45,637 WARN L170 areAnnotationChecker]: tree_inorderEXIT has no Hoare annotation [2020-07-08 22:09:45,637 WARN L170 areAnnotationChecker]: tree_inorderEXIT has no Hoare annotation [2020-07-08 22:09:45,637 WARN L170 areAnnotationChecker]: tree_inorderEXIT has no Hoare annotation [2020-07-08 22:09:45,637 WARN L170 areAnnotationChecker]: tree_inorderEXIT has no Hoare annotation [2020-07-08 22:09:45,638 WARN L170 areAnnotationChecker]: L63-2 has no Hoare annotation [2020-07-08 22:09:45,638 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-08 22:09:45,638 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2020-07-08 22:09:45,638 WARN L170 areAnnotationChecker]: L39-4 has no Hoare annotation [2020-07-08 22:09:45,638 WARN L170 areAnnotationChecker]: L40-4 has no Hoare annotation [2020-07-08 22:09:45,638 WARN L170 areAnnotationChecker]: L79-2 has no Hoare annotation [2020-07-08 22:09:45,638 WARN L170 areAnnotationChecker]: L87-3 has no Hoare annotation [2020-07-08 22:09:45,638 WARN L170 areAnnotationChecker]: L72-7 has no Hoare annotation [2020-07-08 22:09:45,638 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-08 22:09:45,638 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-08 22:09:45,639 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-08 22:09:45,639 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-08 22:09:45,639 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-08 22:09:45,639 WARN L170 areAnnotationChecker]: L85-2 has no Hoare annotation [2020-07-08 22:09:45,639 WARN L170 areAnnotationChecker]: L93-7 has no Hoare annotation [2020-07-08 22:09:45,639 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-08 22:09:45,639 WARN L170 areAnnotationChecker]: L93-4 has no Hoare annotation [2020-07-08 22:09:45,639 WARN L170 areAnnotationChecker]: L83 has no Hoare annotation [2020-07-08 22:09:45,639 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-08 22:09:45,640 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-08 22:09:45,640 WARN L170 areAnnotationChecker]: L65-2 has no Hoare annotation [2020-07-08 22:09:45,640 WARN L170 areAnnotationChecker]: L63-3 has no Hoare annotation [2020-07-08 22:09:45,640 WARN L170 areAnnotationChecker]: L51-1 has no Hoare annotation [2020-07-08 22:09:45,640 WARN L170 areAnnotationChecker]: L54-1 has no Hoare annotation [2020-07-08 22:09:45,640 WARN L170 areAnnotationChecker]: L54-1 has no Hoare annotation [2020-07-08 22:09:45,640 WARN L170 areAnnotationChecker]: L39-5 has no Hoare annotation [2020-07-08 22:09:45,640 WARN L170 areAnnotationChecker]: L40-5 has no Hoare annotation [2020-07-08 22:09:45,640 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-08 22:09:45,640 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-08 22:09:45,641 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2020-07-08 22:09:45,641 WARN L170 areAnnotationChecker]: L72-8 has no Hoare annotation [2020-07-08 22:09:45,641 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2020-07-08 22:09:45,641 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-08 22:09:45,641 WARN L170 areAnnotationChecker]: L94-1 has no Hoare annotation [2020-07-08 22:09:45,641 WARN L170 areAnnotationChecker]: L93-5 has no Hoare annotation [2020-07-08 22:09:45,641 WARN L170 areAnnotationChecker]: L83-1 has no Hoare annotation [2020-07-08 22:09:45,641 WARN L170 areAnnotationChecker]: L83-1 has no Hoare annotation [2020-07-08 22:09:45,641 WARN L170 areAnnotationChecker]: L65-3 has no Hoare annotation [2020-07-08 22:09:45,641 WARN L170 areAnnotationChecker]: L63-4 has no Hoare annotation [2020-07-08 22:09:45,642 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-08 22:09:45,642 WARN L170 areAnnotationChecker]: L54-2 has no Hoare annotation [2020-07-08 22:09:45,642 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-08 22:09:45,642 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2020-07-08 22:09:45,642 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2020-07-08 22:09:45,642 WARN L170 areAnnotationChecker]: L88-1 has no Hoare annotation [2020-07-08 22:09:45,642 WARN L170 areAnnotationChecker]: L88-1 has no Hoare annotation [2020-07-08 22:09:45,642 WARN L170 areAnnotationChecker]: L72-9 has no Hoare annotation [2020-07-08 22:09:45,642 WARN L170 areAnnotationChecker]: L86-1 has no Hoare annotation [2020-07-08 22:09:45,642 WARN L170 areAnnotationChecker]: L86-1 has no Hoare annotation [2020-07-08 22:09:45,643 WARN L170 areAnnotationChecker]: L96 has no Hoare annotation [2020-07-08 22:09:45,643 WARN L170 areAnnotationChecker]: L94-2 has no Hoare annotation [2020-07-08 22:09:45,643 WARN L170 areAnnotationChecker]: L94-2 has no Hoare annotation [2020-07-08 22:09:45,643 WARN L170 areAnnotationChecker]: L65-4 has no Hoare annotation [2020-07-08 22:09:45,643 WARN L170 areAnnotationChecker]: L63-5 has no Hoare annotation [2020-07-08 22:09:45,643 WARN L170 areAnnotationChecker]: L51-3 has no Hoare annotation [2020-07-08 22:09:45,643 WARN L170 areAnnotationChecker]: L54-3 has no Hoare annotation [2020-07-08 22:09:45,643 WARN L170 areAnnotationChecker]: L40-1 has no Hoare annotation [2020-07-08 22:09:45,643 WARN L170 areAnnotationChecker]: L40-1 has no Hoare annotation [2020-07-08 22:09:45,643 WARN L170 areAnnotationChecker]: L41-1 has no Hoare annotation [2020-07-08 22:09:45,644 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-08 22:09:45,644 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-08 22:09:45,644 WARN L170 areAnnotationChecker]: L72-10 has no Hoare annotation [2020-07-08 22:09:45,644 WARN L170 areAnnotationChecker]: L77-2 has no Hoare annotation [2020-07-08 22:09:45,644 WARN L170 areAnnotationChecker]: L65-5 has no Hoare annotation [2020-07-08 22:09:45,644 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-08 22:09:45,644 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-08 22:09:45,644 WARN L170 areAnnotationChecker]: L54-4 has no Hoare annotation [2020-07-08 22:09:45,644 WARN L170 areAnnotationChecker]: L42-1 has no Hoare annotation [2020-07-08 22:09:45,644 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-08 22:09:45,645 WARN L170 areAnnotationChecker]: taskFINAL has no Hoare annotation [2020-07-08 22:09:45,645 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-08 22:09:45,645 WARN L170 areAnnotationChecker]: L64-1 has no Hoare annotation [2020-07-08 22:09:45,645 WARN L170 areAnnotationChecker]: L51-5 has no Hoare annotation [2020-07-08 22:09:45,645 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-08 22:09:45,645 WARN L170 areAnnotationChecker]: taskEXIT has no Hoare annotation [2020-07-08 22:09:45,645 WARN L170 areAnnotationChecker]: L64-2 has no Hoare annotation [2020-07-08 22:09:45,645 WARN L170 areAnnotationChecker]: L51-6 has no Hoare annotation [2020-07-08 22:09:45,645 WARN L170 areAnnotationChecker]: tree_delFINAL has no Hoare annotation [2020-07-08 22:09:45,645 WARN L170 areAnnotationChecker]: L64-3 has no Hoare annotation [2020-07-08 22:09:45,646 WARN L170 areAnnotationChecker]: L51-7 has no Hoare annotation [2020-07-08 22:09:45,646 WARN L170 areAnnotationChecker]: tree_delEXIT has no Hoare annotation [2020-07-08 22:09:45,646 WARN L170 areAnnotationChecker]: tree_delEXIT has no Hoare annotation [2020-07-08 22:09:45,646 WARN L170 areAnnotationChecker]: L64-4 has no Hoare annotation [2020-07-08 22:09:45,646 WARN L170 areAnnotationChecker]: L64-5 has no Hoare annotation [2020-07-08 22:09:45,646 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-08 22:09:45,646 WARN L170 areAnnotationChecker]: L65-1 has no Hoare annotation [2020-07-08 22:09:45,646 WARN L170 areAnnotationChecker]: L65-1 has no Hoare annotation [2020-07-08 22:09:45,647 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 22:09:45,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 10:09:45 BoogieIcfgContainer [2020-07-08 22:09:45,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 22:09:45,654 INFO L168 Benchmark]: Toolchain (without parser) took 29378.33 ms. Allocated memory was 141.0 MB in the beginning and 519.0 MB in the end (delta: 378.0 MB). Free memory was 97.8 MB in the beginning and 323.4 MB in the end (delta: -225.7 MB). Peak memory consumption was 152.4 MB. Max. memory is 7.1 GB. [2020-07-08 22:09:45,654 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 141.0 MB. Free memory was 116.4 MB in the beginning and 116.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-08 22:09:45,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 481.71 ms. Allocated memory was 141.0 MB in the beginning and 199.2 MB in the end (delta: 58.2 MB). Free memory was 97.4 MB in the beginning and 175.1 MB in the end (delta: -77.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2020-07-08 22:09:45,656 INFO L168 Benchmark]: Boogie Preprocessor took 83.68 ms. Allocated memory is still 199.2 MB. Free memory was 175.1 MB in the beginning and 171.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2020-07-08 22:09:45,656 INFO L168 Benchmark]: RCFGBuilder took 1121.86 ms. Allocated memory is still 199.2 MB. Free memory was 171.5 MB in the beginning and 97.2 MB in the end (delta: 74.4 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. [2020-07-08 22:09:45,657 INFO L168 Benchmark]: TraceAbstraction took 27684.39 ms. Allocated memory was 199.2 MB in the beginning and 519.0 MB in the end (delta: 319.8 MB). Free memory was 96.4 MB in the beginning and 323.4 MB in the end (delta: -227.0 MB). Peak memory consumption was 92.8 MB. Max. memory is 7.1 GB. [2020-07-08 22:09:45,660 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 0.27 ms. Allocated memory is still 141.0 MB. Free memory was 116.4 MB in the beginning and 116.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 481.71 ms. Allocated memory was 141.0 MB in the beginning and 199.2 MB in the end (delta: 58.2 MB). Free memory was 97.4 MB in the beginning and 175.1 MB in the end (delta: -77.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.68 ms. Allocated memory is still 199.2 MB. Free memory was 175.1 MB in the beginning and 171.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1121.86 ms. Allocated memory is still 199.2 MB. Free memory was 171.5 MB in the beginning and 97.2 MB in the end (delta: 74.4 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27684.39 ms. Allocated memory was 199.2 MB in the beginning and 519.0 MB in the end (delta: 319.8 MB). Free memory was 96.4 MB in the beginning and 323.4 MB in the end (delta: -227.0 MB). Peak memory consumption was 92.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 14]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L100] CALL, EXPR nondet_tree() [L23] COND FALSE !(__VERIFIER_nondet_bool()) VAL [__VERIFIER_nondet_bool()=0] [L26] struct node *n = (struct node *)malloc(sizeof(struct node)); VAL [malloc(sizeof(struct node))={-1:0}, n={-1:0}] [L27] n->data = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=2147483647, malloc(sizeof(struct node))={-1:0}, n={-1:0}] [L28] CALL, EXPR nondet_tree() [L23] COND TRUE __VERIFIER_nondet_bool() VAL [__VERIFIER_nondet_bool()=1] [L24] return 0; VAL [\result={0:0}] [L28] RET, EXPR nondet_tree() VAL [malloc(sizeof(struct node))={-1:0}, n={-1:0}, nondet_tree()={0:0}] [L28] n->left = nondet_tree() VAL [malloc(sizeof(struct node))={-1:0}, n={-1:0}, nondet_tree()={0:0}] [L29] CALL, EXPR nondet_tree() [L23] COND TRUE __VERIFIER_nondet_bool() VAL [__VERIFIER_nondet_bool()=1] [L24] return 0; VAL [\result={0:0}] [L29] RET, EXPR nondet_tree() VAL [malloc(sizeof(struct node))={-1:0}, n={-1:0}, nondet_tree()={0:0}] [L29] n->right = nondet_tree() VAL [malloc(sizeof(struct node))={-1:0}, n={-1:0}, nondet_tree()={0:0}] [L30] return n; VAL [\result={-1:0}, malloc(sizeof(struct node))={-1:0}, n={-1:0}] [L100] RET, EXPR nondet_tree() VAL [nondet_tree()={-1:0}] [L100] CALL task(nondet_tree()) VAL [t={-1:0}] [L76] CALL, EXPR min(t) VAL [n={-1:0}] [L35] COND FALSE !(!n) VAL [n={-1:0}, n={-1:0}] [L38] EXPR n->data VAL [n={-1:0}, n={-1:0}, n->data=2147483647] [L38] int a = n->data; VAL [a=2147483647, n={-1:0}, n={-1:0}, n->data=2147483647] [L39] EXPR n->left VAL [a=2147483647, n={-1:0}, n={-1:0}, n->left={0:0}] [L39] CALL, EXPR min(n->left) VAL [n={0:0}] [L35] COND TRUE !n VAL [n={0:0}, n={0:0}] [L36] return 2147483647; VAL [\result=2147483647, n={0:0}, n={0:0}] [L39] RET, EXPR min(n->left) VAL [a=2147483647, min(n->left)=2147483647, n={-1:0}, n={-1:0}, n->left={0:0}] [L39] int b = min(n->left); VAL [a=2147483647, b=2147483647, min(n->left)=2147483647, n={-1:0}, n={-1:0}, n->left={0:0}] [L40] EXPR n->right VAL [a=2147483647, b=2147483647, n={-1:0}, n={-1:0}, n->right={0:0}] [L40] CALL, EXPR min(n->right) VAL [n={0:0}] [L35] COND TRUE !n VAL [n={0:0}, n={0:0}] [L36] return 2147483647; VAL [\result=2147483647, n={0:0}, n={0:0}] [L40] RET, EXPR min(n->right) VAL [a=2147483647, b=2147483647, min(n->right)=2147483647, n={-1:0}, n={-1:0}, n->right={0:0}] [L40] int c = min(n->right); VAL [a=2147483647, b=2147483647, c=2147483647, min(n->right)=2147483647, n={-1:0}, n={-1:0}, n->right={0:0}] [L41] COND TRUE b <= a && b <= c VAL [a=2147483647, b=2147483647, c=2147483647, n={-1:0}, n={-1:0}] [L41] return b; VAL [\result=2147483647, a=2147483647, b=2147483647, c=2147483647, n={-1:0}, n={-1:0}] [L76] RET, EXPR min(t) VAL [min(t)=2147483647, t={-1:0}, t={-1:0}] [L76] int a = min(t); VAL [a=2147483647, min(t)=2147483647, t={-1:0}, t={-1:0}] [L77] int b; VAL [a=2147483647, b={2:0}, t={-1:0}, t={-1:0}] [L79] CALL, EXPR size(t) VAL [t={-1:0}] [L71] COND FALSE !(!t) VAL [t={-1:0}, t={-1:0}] [L72] EXPR t->left VAL [t={-1:0}, t={-1:0}, t->left={0:0}] [L72] CALL, EXPR size(t->left) VAL [t={0:0}] [L71] COND TRUE !t VAL [t={0:0}, t={0:0}] [L71] return 0; VAL [\result=0, t={0:0}, t={0:0}] [L72] RET, EXPR size(t->left) VAL [size(t->left)=0, t={-1:0}, t={-1:0}, t->left={0:0}] [L72] EXPR t->right VAL [size(t->left)=0, t={-1:0}, t={-1:0}, t->left={0:0}, t->right={0:0}] [L72] CALL, EXPR size(t->right) VAL [t={0:0}] [L71] COND TRUE !t VAL [t={0:0}, t={0:0}] [L71] return 0; VAL [\result=0, t={0:0}, t={0:0}] [L72] RET, EXPR size(t->right) VAL [size(t->left)=0, size(t->right)=0, t={-1:0}, t={-1:0}, t->left={0:0}, t->right={0:0}] [L72] return size(t->left) + size(t->right) + 1; VAL [\result=1, size(t->left)=0, size(t->right)=0, t={-1:0}, t={-1:0}, t->left={0:0}, t->right={0:0}] [L79] RET, EXPR size(t) VAL [a=2147483647, b={2:0}, size(t)=1, t={-1:0}, t={-1:0}] [L79] int n = size(t); VAL [a=2147483647, b={2:0}, n=1, size(t)=1, t={-1:0}, t={-1:0}] [L80] CALL assume_cycle_if_not(n != 0) VAL [\old(cond)=1] [L9] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L80] RET assume_cycle_if_not(n != 0) VAL [a=2147483647, b={2:0}, n=1, t={-1:0}, t={-1:0}] [L81] EXPR, FCALL calloc(n, sizeof(int)) VAL [a=2147483647, b={2:0}, calloc(n, sizeof(int))={-2:0}, n=1, t={-1:0}, t={-1:0}] [L81] int *x = calloc(n, sizeof(int)); VAL [a=2147483647, b={2:0}, calloc(n, sizeof(int))={-2:0}, n=1, t={-1:0}, t={-1:0}, x={-2:0}] [L82] CALL tree_inorder(t, x, n) VAL [\old(i)=1, a={-2:0}, t={-1:0}] [L60] COND FALSE !(!t) VAL [\old(i)=1, a={-2:0}, a={-2:0}, i=1, t={-1:0}, t={-1:0}] [L63] EXPR t->left VAL [\old(i)=1, a={-2:0}, a={-2:0}, i=1, t={-1:0}, t={-1:0}, t->left={0:0}] [L63] CALL, EXPR tree_inorder(t->left, a, i) VAL [\old(i)=1, a={-2:0}, t={0:0}] [L60] COND TRUE !t VAL [\old(i)=1, a={-2:0}, a={-2:0}, i=1, t={0:0}, t={0:0}] [L61] return i; VAL [\old(i)=1, \result=1, a={-2:0}, a={-2:0}, i=1, t={0:0}, t={0:0}] [L63] RET, EXPR tree_inorder(t->left, a, i) VAL [\old(i)=1, a={-2:0}, a={-2:0}, i=1, t={-1:0}, t={-1:0}, t->left={0:0}, tree_inorder(t->left, a, i)=1] [L63] i = tree_inorder(t->left, a, i) VAL [\old(i)=1, a={-2:0}, a={-2:0}, i=1, t={-1:0}, t={-1:0}, t->left={0:0}, tree_inorder(t->left, a, i)=1] [L64] EXPR i++ VAL [\old(i)=1, a={-2:0}, a={-2:0}, i=2, i++=1, t={-1:0}, t={-1:0}] [L64] EXPR t->data VAL [\old(i)=1, a={-2:0}, a={-2:0}, i=2, i++=1, t={-1:0}, t={-1:0}, t->data=2147483647] [L64] a[i++] = t->data VAL [\old(i)=1, a={-2:0}, a={-2:0}, i=2, i++=1, t={-1:0}, t={-1:0}, t->data=2147483647] [L65] EXPR t->right VAL [\old(i)=1, a={-2:0}, a={-2:0}, i=2, t={-1:0}, t={-1:0}, t->right={0:0}] [L65] CALL, EXPR tree_inorder(t->right, a, i) VAL [\old(i)=2, a={-2:0}, t={0:0}] [L60] COND TRUE !t VAL [\old(i)=2, a={-2:0}, a={-2:0}, i=2, t={0:0}, t={0:0}] [L61] return i; VAL [\old(i)=2, \result=2, a={-2:0}, a={-2:0}, i=2, t={0:0}, t={0:0}] [L65] RET, EXPR tree_inorder(t->right, a, i) VAL [\old(i)=1, a={-2:0}, a={-2:0}, i=2, t={-1:0}, t={-1:0}, t->right={0:0}, tree_inorder(t->right, a, i)=2] [L65] i = tree_inorder(t->right, a, i) VAL [\old(i)=1, a={-2:0}, a={-2:0}, i=2, t={-1:0}, t={-1:0}, t->right={0:0}, tree_inorder(t->right, a, i)=2] [L66] return i; VAL [\old(i)=1, \result=2, a={-2:0}, a={-2:0}, i=2, t={-1:0}, t={-1:0}] [L82] RET tree_inorder(t, x, n) VAL [a=2147483647, b={2:0}, calloc(n, sizeof(int))={-2:0}, n=1, t={-1:0}, t={-1:0}, tree_inorder(t, x, n)=2, x={-2:0}] [L83] EXPR x[0] VAL [a=2147483647, b={2:0}, calloc(n, sizeof(int))={-2:0}, n=1, t={-1:0}, t={-1:0}, x={-2:0}, x[0]=0] [L83] CALL __VERIFIER_assert(a == x[0]) VAL [\old(cond)=0] [L14] COND TRUE !cond VAL [\old(cond)=0, cond=0] [L14] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 190 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 27.5s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 21.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 686 SDtfs, 1232 SDslu, 2310 SDs, 0 SdLazy, 3973 SolverSat, 492 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 4 MinimizatonAttempts, 41 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 527 NumberOfCodeBlocks, 527 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 364 ConstructedInterpolants, 0 QuantifiedInterpolants, 103440 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 72/74 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...