/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/list-properties/list_search-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 22:19:55,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 22:19:55,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 22:19:55,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 22:19:55,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 22:19:55,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 22:19:55,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 22:19:55,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 22:19:55,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 22:19:55,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 22:19:55,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 22:19:55,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 22:19:55,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 22:19:55,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 22:19:55,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 22:19:55,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 22:19:55,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 22:19:55,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 22:19:55,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 22:19:55,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 22:19:55,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 22:19:55,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 22:19:55,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 22:19:55,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 22:19:55,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 22:19:55,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 22:19:55,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 22:19:55,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 22:19:55,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 22:19:55,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 22:19:55,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 22:19:55,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 22:19:55,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 22:19:55,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 22:19:55,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 22:19:55,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 22:19:55,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 22:19:55,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 22:19:55,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 22:19:55,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 22:19:55,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 22:19:55,414 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 22:19:55,429 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 22:19:55,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 22:19:55,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 22:19:55,432 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 22:19:55,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 22:19:55,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 22:19:55,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 22:19:55,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 22:19:55,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 22:19:55,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 22:19:55,435 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 22:19:55,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 22:19:55,436 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 22:19:55,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 22:19:55,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 22:19:55,439 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 22:19:55,439 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 22:19:55,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 22:19:55,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 22:19:55,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 22:19:55,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 22:19:55,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 22:19:55,442 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 22:19:55,757 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 22:19:55,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 22:19:55,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 22:19:55,780 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 22:19:55,781 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 22:19:55,782 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/list_search-1.i [2020-07-08 22:19:55,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/653adc8f8/c000da1975e04ec09f308c08d485fea0/FLAG4d9e57a27 [2020-07-08 22:19:56,374 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 22:19:56,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-properties/list_search-1.i [2020-07-08 22:19:56,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/653adc8f8/c000da1975e04ec09f308c08d485fea0/FLAG4d9e57a27 [2020-07-08 22:19:56,672 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/653adc8f8/c000da1975e04ec09f308c08d485fea0 [2020-07-08 22:19:56,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 22:19:56,683 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 22:19:56,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 22:19:56,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 22:19:56,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 22:19:56,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:19:56" (1/1) ... [2020-07-08 22:19:56,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c858163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:19:56, skipping insertion in model container [2020-07-08 22:19:56,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:19:56" (1/1) ... [2020-07-08 22:19:56,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 22:19:56,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 22:19:57,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:19:57,317 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 22:19:57,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:19:57,432 INFO L208 MainTranslator]: Completed translation [2020-07-08 22:19:57,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:19:57 WrapperNode [2020-07-08 22:19:57,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 22:19:57,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 22:19:57,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 22:19:57,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 22:19:57,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:19:57" (1/1) ... [2020-07-08 22:19:57,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:19:57" (1/1) ... [2020-07-08 22:19:57,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:19:57" (1/1) ... [2020-07-08 22:19:57,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:19:57" (1/1) ... [2020-07-08 22:19:57,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:19:57" (1/1) ... [2020-07-08 22:19:57,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:19:57" (1/1) ... [2020-07-08 22:19:57,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:19:57" (1/1) ... [2020-07-08 22:19:57,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 22:19:57,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 22:19:57,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 22:19:57,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 22:19:57,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:19:57" (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 22:19:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 22:19:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 22:19:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 22:19:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-08 22:19:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-08 22:19:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-07-08 22:19:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-07-08 22:19:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-07-08 22:19:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure search_list [2020-07-08 22:19:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure insert_list [2020-07-08 22:19:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 22:19:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 22:19:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 22:19:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-08 22:19:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-08 22:19:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-08 22:19:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-08 22:19:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-08 22:19:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-08 22:19:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-08 22:19:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-08 22:19:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-08 22:19:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-08 22:19:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-08 22:19:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-08 22:19:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-08 22:19:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-08 22:19:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-08 22:19:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-08 22:19:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-08 22:19:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-08 22:19:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-07-08 22:19:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-07-08 22:19:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-07-08 22:19:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-08 22:19:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-08 22:19:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-08 22:19:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-08 22:19:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-08 22:19:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-08 22:19:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-08 22:19:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-08 22:19:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-08 22:19:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-08 22:19:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-08 22:19:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-08 22:19:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-08 22:19:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-08 22:19:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-08 22:19:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-08 22:19:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-08 22:19:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-08 22:19:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-08 22:19:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-08 22:19:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-08 22:19:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-08 22:19:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-08 22:19:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-08 22:19:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-08 22:19:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-08 22:19:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-08 22:19:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-08 22:19:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-08 22:19:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-08 22:19:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-08 22:19:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-08 22:19:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-08 22:19:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-08 22:19:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-08 22:19:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-08 22:19:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-08 22:19:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-08 22:19:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-08 22:19:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-08 22:19:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-08 22:19:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-08 22:19:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 22:19:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-08 22:19:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-08 22:19:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-08 22:19:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-08 22:19:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-08 22:19:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-08 22:19:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-08 22:19:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-08 22:19:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-08 22:19:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-08 22:19:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-08 22:19:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-08 22:19:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-08 22:19:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-08 22:19:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-08 22:19:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-08 22:19:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-08 22:19:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-08 22:19:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-08 22:19:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-08 22:19:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-08 22:19:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-08 22:19:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-08 22:19:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-08 22:19:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-08 22:19:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-08 22:19:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-08 22:19:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-08 22:19:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-08 22:19:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-08 22:19:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-08 22:19:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-08 22:19:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-08 22:19:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-08 22:19:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-08 22:19:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-08 22:19:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-08 22:19:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-08 22:19:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-08 22:19:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-08 22:19:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-08 22:19:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-08 22:19:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-08 22:19:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure search_list [2020-07-08 22:19:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 22:19:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-08 22:19:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure insert_list [2020-07-08 22:19:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-08 22:19:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 22:19:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-08 22:19:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 22:19:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 22:19:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 22:19:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 22:19:58,341 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 22:19:58,342 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-07-08 22:19:58,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:19:58 BoogieIcfgContainer [2020-07-08 22:19:58,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 22:19:58,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 22:19:58,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 22:19:58,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 22:19:58,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 10:19:56" (1/3) ... [2020-07-08 22:19:58,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea7592e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:19:58, skipping insertion in model container [2020-07-08 22:19:58,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:19:57" (2/3) ... [2020-07-08 22:19:58,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea7592e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:19:58, skipping insertion in model container [2020-07-08 22:19:58,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:19:58" (3/3) ... [2020-07-08 22:19:58,356 INFO L109 eAbstractionObserver]: Analyzing ICFG list_search-1.i [2020-07-08 22:19:58,365 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 22:19:58,373 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 22:19:58,384 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 22:19:58,405 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 22:19:58,405 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 22:19:58,405 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 22:19:58,406 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 22:19:58,407 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 22:19:58,407 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 22:19:58,407 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 22:19:58,407 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 22:19:58,424 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2020-07-08 22:19:58,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-08 22:19:58,439 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:19:58,441 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:58,441 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:19:58,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:19:58,448 INFO L82 PathProgramCache]: Analyzing trace with hash 42223880, now seen corresponding path program 1 times [2020-07-08 22:19:58,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:19:58,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1335532210] [2020-07-08 22:19:58,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:19:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:19:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:19:58,881 INFO L280 TraceCheckUtils]: 0: Hoare triple {139#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {79#true} is VALID [2020-07-08 22:19:58,882 INFO L280 TraceCheckUtils]: 1: Hoare triple {79#true} #valid := #valid[0 := 0]; {79#true} is VALID [2020-07-08 22:19:58,882 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#true} assume 0 < #StackHeapBarrier; {79#true} is VALID [2020-07-08 22:19:58,883 INFO L280 TraceCheckUtils]: 3: Hoare triple {79#true} ~head~0.base, ~head~0.offset := 0, 0; {79#true} is VALID [2020-07-08 22:19:58,883 INFO L280 TraceCheckUtils]: 4: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-08 22:19:58,884 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {79#true} {79#true} #138#return; {79#true} is VALID [2020-07-08 22:19:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:19:58,983 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {79#true} is VALID [2020-07-08 22:19:58,983 INFO L280 TraceCheckUtils]: 1: Hoare triple {79#true} ~k := #in~k; {79#true} is VALID [2020-07-08 22:19:58,985 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {141#(not (= |insert_list_#t~malloc5.base| 0))} is VALID [2020-07-08 22:19:58,986 INFO L280 TraceCheckUtils]: 3: Hoare triple {141#(not (= |insert_list_#t~malloc5.base| 0))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {142#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:19:58,987 INFO L280 TraceCheckUtils]: 4: Hoare triple {142#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {142#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:19:58,988 INFO L280 TraceCheckUtils]: 5: Hoare triple {142#(not (= 0 insert_list_~l.base))} assume ~head~0.base == 0 && ~head~0.offset == 0; {142#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:19:58,989 INFO L280 TraceCheckUtils]: 6: Hoare triple {142#(not (= 0 insert_list_~l.base))} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {142#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:19:58,990 INFO L280 TraceCheckUtils]: 7: Hoare triple {142#(not (= 0 insert_list_~l.base))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:19:58,991 INFO L280 TraceCheckUtils]: 8: Hoare triple {98#(not (= 0 ~head~0.base))} #res := 0; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:19:58,992 INFO L280 TraceCheckUtils]: 9: Hoare triple {98#(not (= 0 ~head~0.base))} assume true; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:19:58,994 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {98#(not (= 0 ~head~0.base))} {79#true} #126#return; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:19:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:19:59,065 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:19:59,066 INFO L280 TraceCheckUtils]: 1: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} ~k := #in~k; {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:19:59,067 INFO L280 TraceCheckUtils]: 2: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:19:59,068 INFO L280 TraceCheckUtils]: 3: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:19:59,070 INFO L280 TraceCheckUtils]: 4: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:19:59,071 INFO L280 TraceCheckUtils]: 5: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} assume ~head~0.base == 0 && ~head~0.offset == 0; {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 22:19:59,071 INFO L280 TraceCheckUtils]: 6: Hoare triple {144#(= 0 |old(~head~0.base)|)} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 22:19:59,073 INFO L280 TraceCheckUtils]: 7: Hoare triple {144#(= 0 |old(~head~0.base)|)} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 22:19:59,074 INFO L280 TraceCheckUtils]: 8: Hoare triple {144#(= 0 |old(~head~0.base)|)} #res := 0; {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 22:19:59,075 INFO L280 TraceCheckUtils]: 9: Hoare triple {144#(= 0 |old(~head~0.base)|)} assume true; {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 22:19:59,078 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {144#(= 0 |old(~head~0.base)|)} {98#(not (= 0 ~head~0.base))} #128#return; {80#false} is VALID [2020-07-08 22:19:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:19:59,113 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {79#true} is VALID [2020-07-08 22:19:59,116 INFO L280 TraceCheckUtils]: 1: Hoare triple {79#true} ~k := #in~k; {79#true} is VALID [2020-07-08 22:19:59,116 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {79#true} is VALID [2020-07-08 22:19:59,117 INFO L280 TraceCheckUtils]: 3: Hoare triple {79#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {79#true} is VALID [2020-07-08 22:19:59,117 INFO L280 TraceCheckUtils]: 4: Hoare triple {79#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {79#true} is VALID [2020-07-08 22:19:59,117 INFO L280 TraceCheckUtils]: 5: Hoare triple {79#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {79#true} is VALID [2020-07-08 22:19:59,118 INFO L280 TraceCheckUtils]: 6: Hoare triple {79#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {79#true} is VALID [2020-07-08 22:19:59,118 INFO L280 TraceCheckUtils]: 7: Hoare triple {79#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {79#true} is VALID [2020-07-08 22:19:59,118 INFO L280 TraceCheckUtils]: 8: Hoare triple {79#true} #res := 0; {79#true} is VALID [2020-07-08 22:19:59,118 INFO L280 TraceCheckUtils]: 9: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-08 22:19:59,119 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {79#true} {80#false} #130#return; {80#false} is VALID [2020-07-08 22:19:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:19:59,133 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {79#true} is VALID [2020-07-08 22:19:59,134 INFO L280 TraceCheckUtils]: 1: Hoare triple {79#true} ~k := #in~k; {79#true} is VALID [2020-07-08 22:19:59,134 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {79#true} is VALID [2020-07-08 22:19:59,134 INFO L280 TraceCheckUtils]: 3: Hoare triple {79#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {79#true} is VALID [2020-07-08 22:19:59,135 INFO L280 TraceCheckUtils]: 4: Hoare triple {79#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {79#true} is VALID [2020-07-08 22:19:59,135 INFO L280 TraceCheckUtils]: 5: Hoare triple {79#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {79#true} is VALID [2020-07-08 22:19:59,135 INFO L280 TraceCheckUtils]: 6: Hoare triple {79#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {79#true} is VALID [2020-07-08 22:19:59,135 INFO L280 TraceCheckUtils]: 7: Hoare triple {79#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {79#true} is VALID [2020-07-08 22:19:59,136 INFO L280 TraceCheckUtils]: 8: Hoare triple {79#true} #res := 0; {79#true} is VALID [2020-07-08 22:19:59,136 INFO L280 TraceCheckUtils]: 9: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-08 22:19:59,136 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {79#true} {80#false} #132#return; {80#false} is VALID [2020-07-08 22:19:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:19:59,144 INFO L280 TraceCheckUtils]: 0: Hoare triple {79#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {79#true} is VALID [2020-07-08 22:19:59,145 INFO L280 TraceCheckUtils]: 1: Hoare triple {79#true} ~k := #in~k; {79#true} is VALID [2020-07-08 22:19:59,145 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#true} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {79#true} is VALID [2020-07-08 22:19:59,146 INFO L280 TraceCheckUtils]: 3: Hoare triple {79#true} assume !true; {80#false} is VALID [2020-07-08 22:19:59,146 INFO L280 TraceCheckUtils]: 4: Hoare triple {80#false} #res.base, #res.offset := ~l.base, ~l.offset; {80#false} is VALID [2020-07-08 22:19:59,146 INFO L280 TraceCheckUtils]: 5: Hoare triple {80#false} assume true; {80#false} is VALID [2020-07-08 22:19:59,147 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {80#false} {80#false} #134#return; {80#false} is VALID [2020-07-08 22:19:59,148 INFO L263 TraceCheckUtils]: 0: Hoare triple {79#true} call ULTIMATE.init(); {139#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:19:59,149 INFO L280 TraceCheckUtils]: 1: Hoare triple {139#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {79#true} is VALID [2020-07-08 22:19:59,149 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#true} #valid := #valid[0 := 0]; {79#true} is VALID [2020-07-08 22:19:59,149 INFO L280 TraceCheckUtils]: 3: Hoare triple {79#true} assume 0 < #StackHeapBarrier; {79#true} is VALID [2020-07-08 22:19:59,150 INFO L280 TraceCheckUtils]: 4: Hoare triple {79#true} ~head~0.base, ~head~0.offset := 0, 0; {79#true} is VALID [2020-07-08 22:19:59,150 INFO L280 TraceCheckUtils]: 5: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-08 22:19:59,150 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {79#true} {79#true} #138#return; {79#true} is VALID [2020-07-08 22:19:59,151 INFO L263 TraceCheckUtils]: 7: Hoare triple {79#true} call #t~ret13 := main(); {79#true} is VALID [2020-07-08 22:19:59,151 INFO L280 TraceCheckUtils]: 8: Hoare triple {79#true} havoc ~i~0; {79#true} is VALID [2020-07-08 22:19:59,151 INFO L280 TraceCheckUtils]: 9: Hoare triple {79#true} havoc ~mylist~0.base, ~mylist~0.offset; {79#true} is VALID [2020-07-08 22:19:59,152 INFO L280 TraceCheckUtils]: 10: Hoare triple {79#true} havoc ~temp~0.base, ~temp~0.offset; {79#true} is VALID [2020-07-08 22:19:59,154 INFO L263 TraceCheckUtils]: 11: Hoare triple {79#true} call #t~ret6 := insert_list(~mylist~0.base, ~mylist~0.offset, 2); {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:19:59,154 INFO L280 TraceCheckUtils]: 12: Hoare triple {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {79#true} is VALID [2020-07-08 22:19:59,155 INFO L280 TraceCheckUtils]: 13: Hoare triple {79#true} ~k := #in~k; {79#true} is VALID [2020-07-08 22:19:59,156 INFO L280 TraceCheckUtils]: 14: Hoare triple {79#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {141#(not (= |insert_list_#t~malloc5.base| 0))} is VALID [2020-07-08 22:19:59,157 INFO L280 TraceCheckUtils]: 15: Hoare triple {141#(not (= |insert_list_#t~malloc5.base| 0))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {142#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:19:59,158 INFO L280 TraceCheckUtils]: 16: Hoare triple {142#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {142#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:19:59,158 INFO L280 TraceCheckUtils]: 17: Hoare triple {142#(not (= 0 insert_list_~l.base))} assume ~head~0.base == 0 && ~head~0.offset == 0; {142#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:19:59,159 INFO L280 TraceCheckUtils]: 18: Hoare triple {142#(not (= 0 insert_list_~l.base))} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {142#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:19:59,160 INFO L280 TraceCheckUtils]: 19: Hoare triple {142#(not (= 0 insert_list_~l.base))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:19:59,161 INFO L280 TraceCheckUtils]: 20: Hoare triple {98#(not (= 0 ~head~0.base))} #res := 0; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:19:59,162 INFO L280 TraceCheckUtils]: 21: Hoare triple {98#(not (= 0 ~head~0.base))} assume true; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:19:59,163 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {98#(not (= 0 ~head~0.base))} {79#true} #126#return; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:19:59,164 INFO L280 TraceCheckUtils]: 23: Hoare triple {98#(not (= 0 ~head~0.base))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:19:59,165 INFO L280 TraceCheckUtils]: 24: Hoare triple {98#(not (= 0 ~head~0.base))} havoc #t~ret6; {98#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:19:59,167 INFO L263 TraceCheckUtils]: 25: Hoare triple {98#(not (= 0 ~head~0.base))} call #t~ret7 := insert_list(~mylist~0.base, ~mylist~0.offset, 5); {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:19:59,168 INFO L280 TraceCheckUtils]: 26: Hoare triple {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:19:59,169 INFO L280 TraceCheckUtils]: 27: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} ~k := #in~k; {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:19:59,169 INFO L280 TraceCheckUtils]: 28: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:19:59,170 INFO L280 TraceCheckUtils]: 29: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:19:59,171 INFO L280 TraceCheckUtils]: 30: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {143#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:19:59,172 INFO L280 TraceCheckUtils]: 31: Hoare triple {143#(= |old(~head~0.base)| ~head~0.base)} assume ~head~0.base == 0 && ~head~0.offset == 0; {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 22:19:59,173 INFO L280 TraceCheckUtils]: 32: Hoare triple {144#(= 0 |old(~head~0.base)|)} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 22:19:59,173 INFO L280 TraceCheckUtils]: 33: Hoare triple {144#(= 0 |old(~head~0.base)|)} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 22:19:59,174 INFO L280 TraceCheckUtils]: 34: Hoare triple {144#(= 0 |old(~head~0.base)|)} #res := 0; {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 22:19:59,175 INFO L280 TraceCheckUtils]: 35: Hoare triple {144#(= 0 |old(~head~0.base)|)} assume true; {144#(= 0 |old(~head~0.base)|)} is VALID [2020-07-08 22:19:59,176 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {144#(= 0 |old(~head~0.base)|)} {98#(not (= 0 ~head~0.base))} #128#return; {80#false} is VALID [2020-07-08 22:19:59,177 INFO L280 TraceCheckUtils]: 37: Hoare triple {80#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; {80#false} is VALID [2020-07-08 22:19:59,177 INFO L280 TraceCheckUtils]: 38: Hoare triple {80#false} havoc #t~ret7; {80#false} is VALID [2020-07-08 22:19:59,178 INFO L263 TraceCheckUtils]: 39: Hoare triple {80#false} call #t~ret8 := insert_list(~mylist~0.base, ~mylist~0.offset, 1); {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:19:59,178 INFO L280 TraceCheckUtils]: 40: Hoare triple {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {79#true} is VALID [2020-07-08 22:19:59,178 INFO L280 TraceCheckUtils]: 41: Hoare triple {79#true} ~k := #in~k; {79#true} is VALID [2020-07-08 22:19:59,178 INFO L280 TraceCheckUtils]: 42: Hoare triple {79#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {79#true} is VALID [2020-07-08 22:19:59,179 INFO L280 TraceCheckUtils]: 43: Hoare triple {79#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {79#true} is VALID [2020-07-08 22:19:59,179 INFO L280 TraceCheckUtils]: 44: Hoare triple {79#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {79#true} is VALID [2020-07-08 22:19:59,179 INFO L280 TraceCheckUtils]: 45: Hoare triple {79#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {79#true} is VALID [2020-07-08 22:19:59,180 INFO L280 TraceCheckUtils]: 46: Hoare triple {79#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {79#true} is VALID [2020-07-08 22:19:59,180 INFO L280 TraceCheckUtils]: 47: Hoare triple {79#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {79#true} is VALID [2020-07-08 22:19:59,180 INFO L280 TraceCheckUtils]: 48: Hoare triple {79#true} #res := 0; {79#true} is VALID [2020-07-08 22:19:59,181 INFO L280 TraceCheckUtils]: 49: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-08 22:19:59,181 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {79#true} {80#false} #130#return; {80#false} is VALID [2020-07-08 22:19:59,181 INFO L280 TraceCheckUtils]: 51: Hoare triple {80#false} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {80#false} is VALID [2020-07-08 22:19:59,181 INFO L280 TraceCheckUtils]: 52: Hoare triple {80#false} havoc #t~ret8; {80#false} is VALID [2020-07-08 22:19:59,182 INFO L263 TraceCheckUtils]: 53: Hoare triple {80#false} call #t~ret9 := insert_list(~mylist~0.base, ~mylist~0.offset, 3); {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:19:59,182 INFO L280 TraceCheckUtils]: 54: Hoare triple {140#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {79#true} is VALID [2020-07-08 22:19:59,182 INFO L280 TraceCheckUtils]: 55: Hoare triple {79#true} ~k := #in~k; {79#true} is VALID [2020-07-08 22:19:59,183 INFO L280 TraceCheckUtils]: 56: Hoare triple {79#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {79#true} is VALID [2020-07-08 22:19:59,183 INFO L280 TraceCheckUtils]: 57: Hoare triple {79#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {79#true} is VALID [2020-07-08 22:19:59,183 INFO L280 TraceCheckUtils]: 58: Hoare triple {79#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {79#true} is VALID [2020-07-08 22:19:59,184 INFO L280 TraceCheckUtils]: 59: Hoare triple {79#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {79#true} is VALID [2020-07-08 22:19:59,184 INFO L280 TraceCheckUtils]: 60: Hoare triple {79#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {79#true} is VALID [2020-07-08 22:19:59,184 INFO L280 TraceCheckUtils]: 61: Hoare triple {79#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {79#true} is VALID [2020-07-08 22:19:59,184 INFO L280 TraceCheckUtils]: 62: Hoare triple {79#true} #res := 0; {79#true} is VALID [2020-07-08 22:19:59,185 INFO L280 TraceCheckUtils]: 63: Hoare triple {79#true} assume true; {79#true} is VALID [2020-07-08 22:19:59,185 INFO L275 TraceCheckUtils]: 64: Hoare quadruple {79#true} {80#false} #132#return; {80#false} is VALID [2020-07-08 22:19:59,185 INFO L280 TraceCheckUtils]: 65: Hoare triple {80#false} assume -2147483648 <= #t~ret9 && #t~ret9 <= 2147483647; {80#false} is VALID [2020-07-08 22:19:59,186 INFO L280 TraceCheckUtils]: 66: Hoare triple {80#false} havoc #t~ret9; {80#false} is VALID [2020-07-08 22:19:59,186 INFO L263 TraceCheckUtils]: 67: Hoare triple {80#false} call #t~ret10.base, #t~ret10.offset := search_list(~head~0.base, ~head~0.offset, 2); {79#true} is VALID [2020-07-08 22:19:59,186 INFO L280 TraceCheckUtils]: 68: Hoare triple {79#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {79#true} is VALID [2020-07-08 22:19:59,186 INFO L280 TraceCheckUtils]: 69: Hoare triple {79#true} ~k := #in~k; {79#true} is VALID [2020-07-08 22:19:59,187 INFO L280 TraceCheckUtils]: 70: Hoare triple {79#true} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {79#true} is VALID [2020-07-08 22:19:59,187 INFO L280 TraceCheckUtils]: 71: Hoare triple {79#true} assume !true; {80#false} is VALID [2020-07-08 22:19:59,188 INFO L280 TraceCheckUtils]: 72: Hoare triple {80#false} #res.base, #res.offset := ~l.base, ~l.offset; {80#false} is VALID [2020-07-08 22:19:59,188 INFO L280 TraceCheckUtils]: 73: Hoare triple {80#false} assume true; {80#false} is VALID [2020-07-08 22:19:59,188 INFO L275 TraceCheckUtils]: 74: Hoare quadruple {80#false} {80#false} #134#return; {80#false} is VALID [2020-07-08 22:19:59,189 INFO L280 TraceCheckUtils]: 75: Hoare triple {80#false} ~temp~0.base, ~temp~0.offset := #t~ret10.base, #t~ret10.offset; {80#false} is VALID [2020-07-08 22:19:59,189 INFO L280 TraceCheckUtils]: 76: Hoare triple {80#false} havoc #t~ret10.base, #t~ret10.offset; {80#false} is VALID [2020-07-08 22:19:59,189 INFO L280 TraceCheckUtils]: 77: Hoare triple {80#false} SUMMARY for call #t~mem11 := read~int(~temp~0.base, ~temp~0.offset, 4); srcloc: L550 {80#false} is VALID [2020-07-08 22:19:59,190 INFO L263 TraceCheckUtils]: 78: Hoare triple {80#false} call __VERIFIER_assert((if 1 == #t~mem11 then 1 else 0)); {80#false} is VALID [2020-07-08 22:19:59,190 INFO L280 TraceCheckUtils]: 79: Hoare triple {80#false} ~cond := #in~cond; {80#false} is VALID [2020-07-08 22:19:59,190 INFO L280 TraceCheckUtils]: 80: Hoare triple {80#false} assume 0 == ~cond; {80#false} is VALID [2020-07-08 22:19:59,191 INFO L280 TraceCheckUtils]: 81: Hoare triple {80#false} assume !false; {80#false} is VALID [2020-07-08 22:19:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 44 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-07-08 22:19:59,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1335532210] [2020-07-08 22:19:59,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:19:59,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-07-08 22:19:59,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091674491] [2020-07-08 22:19:59,214 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2020-07-08 22:19:59,218 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:19:59,222 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-08 22:19:59,363 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:19:59,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-08 22:19:59,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:19:59,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-08 22:19:59,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-08 22:19:59,380 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 9 states. [2020-07-08 22:20:01,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:20:01,563 INFO L93 Difference]: Finished difference Result 187 states and 225 transitions. [2020-07-08 22:20:01,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-08 22:20:01,564 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2020-07-08 22:20:01,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:20:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 22:20:01,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 225 transitions. [2020-07-08 22:20:01,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 22:20:01,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 225 transitions. [2020-07-08 22:20:01,597 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 225 transitions. [2020-07-08 22:20:01,936 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 225 edges. 225 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:20:01,954 INFO L225 Difference]: With dead ends: 187 [2020-07-08 22:20:01,954 INFO L226 Difference]: Without dead ends: 92 [2020-07-08 22:20:01,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2020-07-08 22:20:01,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-07-08 22:20:02,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 73. [2020-07-08 22:20:02,218 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:20:02,219 INFO L82 GeneralOperation]: Start isEquivalent. First operand 92 states. Second operand 73 states. [2020-07-08 22:20:02,220 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 73 states. [2020-07-08 22:20:02,220 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 73 states. [2020-07-08 22:20:02,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:20:02,230 INFO L93 Difference]: Finished difference Result 92 states and 101 transitions. [2020-07-08 22:20:02,231 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2020-07-08 22:20:02,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:20:02,233 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:20:02,233 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 92 states. [2020-07-08 22:20:02,233 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 92 states. [2020-07-08 22:20:02,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:20:02,242 INFO L93 Difference]: Finished difference Result 92 states and 101 transitions. [2020-07-08 22:20:02,242 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2020-07-08 22:20:02,244 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:20:02,244 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:20:02,244 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:20:02,245 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:20:02,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-07-08 22:20:02,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 78 transitions. [2020-07-08 22:20:02,251 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 78 transitions. Word has length 82 [2020-07-08 22:20:02,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:20:02,251 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 78 transitions. [2020-07-08 22:20:02,252 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-08 22:20:02,252 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 73 states and 78 transitions. [2020-07-08 22:20:02,388 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:20:02,389 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2020-07-08 22:20:02,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-08 22:20:02,392 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:20:02,392 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:02,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 22:20:02,393 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:20:02,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:20:02,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1050718625, now seen corresponding path program 1 times [2020-07-08 22:20:02,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:20:02,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [171442780] [2020-07-08 22:20:02,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:20:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:02,509 INFO L280 TraceCheckUtils]: 0: Hoare triple {944#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {877#true} is VALID [2020-07-08 22:20:02,509 INFO L280 TraceCheckUtils]: 1: Hoare triple {877#true} #valid := #valid[0 := 0]; {877#true} is VALID [2020-07-08 22:20:02,510 INFO L280 TraceCheckUtils]: 2: Hoare triple {877#true} assume 0 < #StackHeapBarrier; {877#true} is VALID [2020-07-08 22:20:02,510 INFO L280 TraceCheckUtils]: 3: Hoare triple {877#true} ~head~0.base, ~head~0.offset := 0, 0; {877#true} is VALID [2020-07-08 22:20:02,510 INFO L280 TraceCheckUtils]: 4: Hoare triple {877#true} assume true; {877#true} is VALID [2020-07-08 22:20:02,511 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {877#true} {877#true} #138#return; {877#true} is VALID [2020-07-08 22:20:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:02,552 INFO L280 TraceCheckUtils]: 0: Hoare triple {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 22:20:02,552 INFO L280 TraceCheckUtils]: 1: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 22:20:02,552 INFO L280 TraceCheckUtils]: 2: Hoare triple {877#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {877#true} is VALID [2020-07-08 22:20:02,553 INFO L280 TraceCheckUtils]: 3: Hoare triple {877#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {877#true} is VALID [2020-07-08 22:20:02,553 INFO L280 TraceCheckUtils]: 4: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {877#true} is VALID [2020-07-08 22:20:02,553 INFO L280 TraceCheckUtils]: 5: Hoare triple {877#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {877#true} is VALID [2020-07-08 22:20:02,553 INFO L280 TraceCheckUtils]: 6: Hoare triple {877#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {877#true} is VALID [2020-07-08 22:20:02,554 INFO L280 TraceCheckUtils]: 7: Hoare triple {877#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {877#true} is VALID [2020-07-08 22:20:02,554 INFO L280 TraceCheckUtils]: 8: Hoare triple {877#true} #res := 0; {877#true} is VALID [2020-07-08 22:20:02,554 INFO L280 TraceCheckUtils]: 9: Hoare triple {877#true} assume true; {877#true} is VALID [2020-07-08 22:20:02,555 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {877#true} {877#true} #126#return; {877#true} is VALID [2020-07-08 22:20:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:02,564 INFO L280 TraceCheckUtils]: 0: Hoare triple {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 22:20:02,565 INFO L280 TraceCheckUtils]: 1: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 22:20:02,565 INFO L280 TraceCheckUtils]: 2: Hoare triple {877#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {877#true} is VALID [2020-07-08 22:20:02,565 INFO L280 TraceCheckUtils]: 3: Hoare triple {877#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {877#true} is VALID [2020-07-08 22:20:02,566 INFO L280 TraceCheckUtils]: 4: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {877#true} is VALID [2020-07-08 22:20:02,566 INFO L280 TraceCheckUtils]: 5: Hoare triple {877#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {877#true} is VALID [2020-07-08 22:20:02,566 INFO L280 TraceCheckUtils]: 6: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {877#true} is VALID [2020-07-08 22:20:02,567 INFO L280 TraceCheckUtils]: 7: Hoare triple {877#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {877#true} is VALID [2020-07-08 22:20:02,567 INFO L280 TraceCheckUtils]: 8: Hoare triple {877#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {877#true} is VALID [2020-07-08 22:20:02,567 INFO L280 TraceCheckUtils]: 9: Hoare triple {877#true} #res := 0; {877#true} is VALID [2020-07-08 22:20:02,567 INFO L280 TraceCheckUtils]: 10: Hoare triple {877#true} assume true; {877#true} is VALID [2020-07-08 22:20:02,568 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {877#true} {877#true} #128#return; {877#true} is VALID [2020-07-08 22:20:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:02,577 INFO L280 TraceCheckUtils]: 0: Hoare triple {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 22:20:02,577 INFO L280 TraceCheckUtils]: 1: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 22:20:02,577 INFO L280 TraceCheckUtils]: 2: Hoare triple {877#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {877#true} is VALID [2020-07-08 22:20:02,578 INFO L280 TraceCheckUtils]: 3: Hoare triple {877#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {877#true} is VALID [2020-07-08 22:20:02,578 INFO L280 TraceCheckUtils]: 4: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {877#true} is VALID [2020-07-08 22:20:02,578 INFO L280 TraceCheckUtils]: 5: Hoare triple {877#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {877#true} is VALID [2020-07-08 22:20:02,578 INFO L280 TraceCheckUtils]: 6: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {877#true} is VALID [2020-07-08 22:20:02,579 INFO L280 TraceCheckUtils]: 7: Hoare triple {877#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {877#true} is VALID [2020-07-08 22:20:02,579 INFO L280 TraceCheckUtils]: 8: Hoare triple {877#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {877#true} is VALID [2020-07-08 22:20:02,579 INFO L280 TraceCheckUtils]: 9: Hoare triple {877#true} #res := 0; {877#true} is VALID [2020-07-08 22:20:02,579 INFO L280 TraceCheckUtils]: 10: Hoare triple {877#true} assume true; {877#true} is VALID [2020-07-08 22:20:02,580 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {877#true} {877#true} #130#return; {877#true} is VALID [2020-07-08 22:20:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:02,620 INFO L280 TraceCheckUtils]: 0: Hoare triple {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 22:20:02,620 INFO L280 TraceCheckUtils]: 1: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 22:20:02,621 INFO L280 TraceCheckUtils]: 2: Hoare triple {877#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {946#(not (= |insert_list_#t~malloc5.base| 0))} is VALID [2020-07-08 22:20:02,622 INFO L280 TraceCheckUtils]: 3: Hoare triple {946#(not (= |insert_list_#t~malloc5.base| 0))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:02,624 INFO L280 TraceCheckUtils]: 4: Hoare triple {947#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:02,629 INFO L280 TraceCheckUtils]: 5: Hoare triple {947#(not (= 0 insert_list_~l.base))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:02,630 INFO L280 TraceCheckUtils]: 6: Hoare triple {947#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:02,630 INFO L280 TraceCheckUtils]: 7: Hoare triple {947#(not (= 0 insert_list_~l.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:02,631 INFO L280 TraceCheckUtils]: 8: Hoare triple {947#(not (= 0 insert_list_~l.base))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:02,631 INFO L280 TraceCheckUtils]: 9: Hoare triple {932#(not (= 0 ~head~0.base))} #res := 0; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:02,633 INFO L280 TraceCheckUtils]: 10: Hoare triple {932#(not (= 0 ~head~0.base))} assume true; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:02,634 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {932#(not (= 0 ~head~0.base))} {877#true} #132#return; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:02,695 INFO L280 TraceCheckUtils]: 0: Hoare triple {877#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 22:20:02,696 INFO L280 TraceCheckUtils]: 1: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 22:20:02,696 INFO L280 TraceCheckUtils]: 2: Hoare triple {877#true} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {948#(= search_list_~l.base ~head~0.base)} is VALID [2020-07-08 22:20:02,697 INFO L280 TraceCheckUtils]: 3: Hoare triple {948#(= search_list_~l.base ~head~0.base)} #t~short3 := ~l.base != 0 || ~l.offset != 0; {949#(or (= 0 ~head~0.base) |search_list_#t~short3|)} is VALID [2020-07-08 22:20:02,698 INFO L280 TraceCheckUtils]: 4: Hoare triple {949#(or (= 0 ~head~0.base) |search_list_#t~short3|)} assume !#t~short3; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 22:20:02,699 INFO L280 TraceCheckUtils]: 5: Hoare triple {950#(= 0 ~head~0.base)} assume !#t~short3; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 22:20:02,700 INFO L280 TraceCheckUtils]: 6: Hoare triple {950#(= 0 ~head~0.base)} havoc #t~short3; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 22:20:02,700 INFO L280 TraceCheckUtils]: 7: Hoare triple {950#(= 0 ~head~0.base)} havoc #t~mem2; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 22:20:02,701 INFO L280 TraceCheckUtils]: 8: Hoare triple {950#(= 0 ~head~0.base)} #res.base, #res.offset := ~l.base, ~l.offset; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 22:20:02,702 INFO L280 TraceCheckUtils]: 9: Hoare triple {950#(= 0 ~head~0.base)} assume true; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 22:20:02,703 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {950#(= 0 ~head~0.base)} {932#(not (= 0 ~head~0.base))} #134#return; {878#false} is VALID [2020-07-08 22:20:02,704 INFO L263 TraceCheckUtils]: 0: Hoare triple {877#true} call ULTIMATE.init(); {944#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:20:02,705 INFO L280 TraceCheckUtils]: 1: Hoare triple {944#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {877#true} is VALID [2020-07-08 22:20:02,705 INFO L280 TraceCheckUtils]: 2: Hoare triple {877#true} #valid := #valid[0 := 0]; {877#true} is VALID [2020-07-08 22:20:02,705 INFO L280 TraceCheckUtils]: 3: Hoare triple {877#true} assume 0 < #StackHeapBarrier; {877#true} is VALID [2020-07-08 22:20:02,706 INFO L280 TraceCheckUtils]: 4: Hoare triple {877#true} ~head~0.base, ~head~0.offset := 0, 0; {877#true} is VALID [2020-07-08 22:20:02,706 INFO L280 TraceCheckUtils]: 5: Hoare triple {877#true} assume true; {877#true} is VALID [2020-07-08 22:20:02,706 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {877#true} {877#true} #138#return; {877#true} is VALID [2020-07-08 22:20:02,706 INFO L263 TraceCheckUtils]: 7: Hoare triple {877#true} call #t~ret13 := main(); {877#true} is VALID [2020-07-08 22:20:02,706 INFO L280 TraceCheckUtils]: 8: Hoare triple {877#true} havoc ~i~0; {877#true} is VALID [2020-07-08 22:20:02,707 INFO L280 TraceCheckUtils]: 9: Hoare triple {877#true} havoc ~mylist~0.base, ~mylist~0.offset; {877#true} is VALID [2020-07-08 22:20:02,707 INFO L280 TraceCheckUtils]: 10: Hoare triple {877#true} havoc ~temp~0.base, ~temp~0.offset; {877#true} is VALID [2020-07-08 22:20:02,709 INFO L263 TraceCheckUtils]: 11: Hoare triple {877#true} call #t~ret6 := insert_list(~mylist~0.base, ~mylist~0.offset, 2); {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:02,709 INFO L280 TraceCheckUtils]: 12: Hoare triple {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 22:20:02,710 INFO L280 TraceCheckUtils]: 13: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 22:20:02,710 INFO L280 TraceCheckUtils]: 14: Hoare triple {877#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {877#true} is VALID [2020-07-08 22:20:02,710 INFO L280 TraceCheckUtils]: 15: Hoare triple {877#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {877#true} is VALID [2020-07-08 22:20:02,710 INFO L280 TraceCheckUtils]: 16: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {877#true} is VALID [2020-07-08 22:20:02,710 INFO L280 TraceCheckUtils]: 17: Hoare triple {877#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {877#true} is VALID [2020-07-08 22:20:02,711 INFO L280 TraceCheckUtils]: 18: Hoare triple {877#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {877#true} is VALID [2020-07-08 22:20:02,711 INFO L280 TraceCheckUtils]: 19: Hoare triple {877#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {877#true} is VALID [2020-07-08 22:20:02,711 INFO L280 TraceCheckUtils]: 20: Hoare triple {877#true} #res := 0; {877#true} is VALID [2020-07-08 22:20:02,711 INFO L280 TraceCheckUtils]: 21: Hoare triple {877#true} assume true; {877#true} is VALID [2020-07-08 22:20:02,712 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {877#true} {877#true} #126#return; {877#true} is VALID [2020-07-08 22:20:02,712 INFO L280 TraceCheckUtils]: 23: Hoare triple {877#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {877#true} is VALID [2020-07-08 22:20:02,712 INFO L280 TraceCheckUtils]: 24: Hoare triple {877#true} havoc #t~ret6; {877#true} is VALID [2020-07-08 22:20:02,714 INFO L263 TraceCheckUtils]: 25: Hoare triple {877#true} call #t~ret7 := insert_list(~mylist~0.base, ~mylist~0.offset, 5); {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:02,714 INFO L280 TraceCheckUtils]: 26: Hoare triple {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 22:20:02,714 INFO L280 TraceCheckUtils]: 27: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 22:20:02,715 INFO L280 TraceCheckUtils]: 28: Hoare triple {877#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {877#true} is VALID [2020-07-08 22:20:02,715 INFO L280 TraceCheckUtils]: 29: Hoare triple {877#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {877#true} is VALID [2020-07-08 22:20:02,715 INFO L280 TraceCheckUtils]: 30: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {877#true} is VALID [2020-07-08 22:20:02,716 INFO L280 TraceCheckUtils]: 31: Hoare triple {877#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {877#true} is VALID [2020-07-08 22:20:02,716 INFO L280 TraceCheckUtils]: 32: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {877#true} is VALID [2020-07-08 22:20:02,716 INFO L280 TraceCheckUtils]: 33: Hoare triple {877#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {877#true} is VALID [2020-07-08 22:20:02,716 INFO L280 TraceCheckUtils]: 34: Hoare triple {877#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {877#true} is VALID [2020-07-08 22:20:02,717 INFO L280 TraceCheckUtils]: 35: Hoare triple {877#true} #res := 0; {877#true} is VALID [2020-07-08 22:20:02,717 INFO L280 TraceCheckUtils]: 36: Hoare triple {877#true} assume true; {877#true} is VALID [2020-07-08 22:20:02,717 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {877#true} {877#true} #128#return; {877#true} is VALID [2020-07-08 22:20:02,718 INFO L280 TraceCheckUtils]: 38: Hoare triple {877#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; {877#true} is VALID [2020-07-08 22:20:02,718 INFO L280 TraceCheckUtils]: 39: Hoare triple {877#true} havoc #t~ret7; {877#true} is VALID [2020-07-08 22:20:02,721 INFO L263 TraceCheckUtils]: 40: Hoare triple {877#true} call #t~ret8 := insert_list(~mylist~0.base, ~mylist~0.offset, 1); {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:02,721 INFO L280 TraceCheckUtils]: 41: Hoare triple {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 22:20:02,722 INFO L280 TraceCheckUtils]: 42: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 22:20:02,722 INFO L280 TraceCheckUtils]: 43: Hoare triple {877#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {877#true} is VALID [2020-07-08 22:20:02,722 INFO L280 TraceCheckUtils]: 44: Hoare triple {877#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {877#true} is VALID [2020-07-08 22:20:02,722 INFO L280 TraceCheckUtils]: 45: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {877#true} is VALID [2020-07-08 22:20:02,723 INFO L280 TraceCheckUtils]: 46: Hoare triple {877#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {877#true} is VALID [2020-07-08 22:20:02,723 INFO L280 TraceCheckUtils]: 47: Hoare triple {877#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {877#true} is VALID [2020-07-08 22:20:02,723 INFO L280 TraceCheckUtils]: 48: Hoare triple {877#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {877#true} is VALID [2020-07-08 22:20:02,723 INFO L280 TraceCheckUtils]: 49: Hoare triple {877#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {877#true} is VALID [2020-07-08 22:20:02,724 INFO L280 TraceCheckUtils]: 50: Hoare triple {877#true} #res := 0; {877#true} is VALID [2020-07-08 22:20:02,724 INFO L280 TraceCheckUtils]: 51: Hoare triple {877#true} assume true; {877#true} is VALID [2020-07-08 22:20:02,724 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {877#true} {877#true} #130#return; {877#true} is VALID [2020-07-08 22:20:02,725 INFO L280 TraceCheckUtils]: 53: Hoare triple {877#true} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {877#true} is VALID [2020-07-08 22:20:02,725 INFO L280 TraceCheckUtils]: 54: Hoare triple {877#true} havoc #t~ret8; {877#true} is VALID [2020-07-08 22:20:02,727 INFO L263 TraceCheckUtils]: 55: Hoare triple {877#true} call #t~ret9 := insert_list(~mylist~0.base, ~mylist~0.offset, 3); {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:02,727 INFO L280 TraceCheckUtils]: 56: Hoare triple {945#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 22:20:02,728 INFO L280 TraceCheckUtils]: 57: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 22:20:02,729 INFO L280 TraceCheckUtils]: 58: Hoare triple {877#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {946#(not (= |insert_list_#t~malloc5.base| 0))} is VALID [2020-07-08 22:20:02,730 INFO L280 TraceCheckUtils]: 59: Hoare triple {946#(not (= |insert_list_#t~malloc5.base| 0))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:02,730 INFO L280 TraceCheckUtils]: 60: Hoare triple {947#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:02,731 INFO L280 TraceCheckUtils]: 61: Hoare triple {947#(not (= 0 insert_list_~l.base))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:02,732 INFO L280 TraceCheckUtils]: 62: Hoare triple {947#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:02,733 INFO L280 TraceCheckUtils]: 63: Hoare triple {947#(not (= 0 insert_list_~l.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {947#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:02,733 INFO L280 TraceCheckUtils]: 64: Hoare triple {947#(not (= 0 insert_list_~l.base))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:02,734 INFO L280 TraceCheckUtils]: 65: Hoare triple {932#(not (= 0 ~head~0.base))} #res := 0; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:02,735 INFO L280 TraceCheckUtils]: 66: Hoare triple {932#(not (= 0 ~head~0.base))} assume true; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:02,736 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {932#(not (= 0 ~head~0.base))} {877#true} #132#return; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:02,737 INFO L280 TraceCheckUtils]: 68: Hoare triple {932#(not (= 0 ~head~0.base))} assume -2147483648 <= #t~ret9 && #t~ret9 <= 2147483647; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:02,738 INFO L280 TraceCheckUtils]: 69: Hoare triple {932#(not (= 0 ~head~0.base))} havoc #t~ret9; {932#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:02,738 INFO L263 TraceCheckUtils]: 70: Hoare triple {932#(not (= 0 ~head~0.base))} call #t~ret10.base, #t~ret10.offset := search_list(~head~0.base, ~head~0.offset, 2); {877#true} is VALID [2020-07-08 22:20:02,738 INFO L280 TraceCheckUtils]: 71: Hoare triple {877#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {877#true} is VALID [2020-07-08 22:20:02,739 INFO L280 TraceCheckUtils]: 72: Hoare triple {877#true} ~k := #in~k; {877#true} is VALID [2020-07-08 22:20:02,739 INFO L280 TraceCheckUtils]: 73: Hoare triple {877#true} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {948#(= search_list_~l.base ~head~0.base)} is VALID [2020-07-08 22:20:02,740 INFO L280 TraceCheckUtils]: 74: Hoare triple {948#(= search_list_~l.base ~head~0.base)} #t~short3 := ~l.base != 0 || ~l.offset != 0; {949#(or (= 0 ~head~0.base) |search_list_#t~short3|)} is VALID [2020-07-08 22:20:02,741 INFO L280 TraceCheckUtils]: 75: Hoare triple {949#(or (= 0 ~head~0.base) |search_list_#t~short3|)} assume !#t~short3; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 22:20:02,742 INFO L280 TraceCheckUtils]: 76: Hoare triple {950#(= 0 ~head~0.base)} assume !#t~short3; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 22:20:02,743 INFO L280 TraceCheckUtils]: 77: Hoare triple {950#(= 0 ~head~0.base)} havoc #t~short3; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 22:20:02,744 INFO L280 TraceCheckUtils]: 78: Hoare triple {950#(= 0 ~head~0.base)} havoc #t~mem2; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 22:20:02,744 INFO L280 TraceCheckUtils]: 79: Hoare triple {950#(= 0 ~head~0.base)} #res.base, #res.offset := ~l.base, ~l.offset; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 22:20:02,745 INFO L280 TraceCheckUtils]: 80: Hoare triple {950#(= 0 ~head~0.base)} assume true; {950#(= 0 ~head~0.base)} is VALID [2020-07-08 22:20:02,747 INFO L275 TraceCheckUtils]: 81: Hoare quadruple {950#(= 0 ~head~0.base)} {932#(not (= 0 ~head~0.base))} #134#return; {878#false} is VALID [2020-07-08 22:20:02,747 INFO L280 TraceCheckUtils]: 82: Hoare triple {878#false} ~temp~0.base, ~temp~0.offset := #t~ret10.base, #t~ret10.offset; {878#false} is VALID [2020-07-08 22:20:02,747 INFO L280 TraceCheckUtils]: 83: Hoare triple {878#false} havoc #t~ret10.base, #t~ret10.offset; {878#false} is VALID [2020-07-08 22:20:02,747 INFO L280 TraceCheckUtils]: 84: Hoare triple {878#false} SUMMARY for call #t~mem11 := read~int(~temp~0.base, ~temp~0.offset, 4); srcloc: L550 {878#false} is VALID [2020-07-08 22:20:02,748 INFO L263 TraceCheckUtils]: 85: Hoare triple {878#false} call __VERIFIER_assert((if 1 == #t~mem11 then 1 else 0)); {878#false} is VALID [2020-07-08 22:20:02,748 INFO L280 TraceCheckUtils]: 86: Hoare triple {878#false} ~cond := #in~cond; {878#false} is VALID [2020-07-08 22:20:02,748 INFO L280 TraceCheckUtils]: 87: Hoare triple {878#false} assume 0 == ~cond; {878#false} is VALID [2020-07-08 22:20:02,749 INFO L280 TraceCheckUtils]: 88: Hoare triple {878#false} assume !false; {878#false} is VALID [2020-07-08 22:20:02,764 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-07-08 22:20:02,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [171442780] [2020-07-08 22:20:02,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:20:02,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-08 22:20:02,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978308784] [2020-07-08 22:20:02,768 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-07-08 22:20:02,769 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:20:02,769 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-08 22:20:02,868 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:20:02,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-08 22:20:02,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:20:02,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-08 22:20:02,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-08 22:20:02,870 INFO L87 Difference]: Start difference. First operand 73 states and 78 transitions. Second operand 10 states. [2020-07-08 22:20:04,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:20:04,713 INFO L93 Difference]: Finished difference Result 113 states and 121 transitions. [2020-07-08 22:20:04,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-08 22:20:04,713 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-07-08 22:20:04,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:20:04,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-08 22:20:04,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 117 transitions. [2020-07-08 22:20:04,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-08 22:20:04,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 117 transitions. [2020-07-08 22:20:04,724 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 117 transitions. [2020-07-08 22:20:04,915 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:20:04,920 INFO L225 Difference]: With dead ends: 113 [2020-07-08 22:20:04,920 INFO L226 Difference]: Without dead ends: 90 [2020-07-08 22:20:04,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2020-07-08 22:20:04,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-07-08 22:20:05,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 75. [2020-07-08 22:20:05,148 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:20:05,148 INFO L82 GeneralOperation]: Start isEquivalent. First operand 90 states. Second operand 75 states. [2020-07-08 22:20:05,148 INFO L74 IsIncluded]: Start isIncluded. First operand 90 states. Second operand 75 states. [2020-07-08 22:20:05,149 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 75 states. [2020-07-08 22:20:05,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:20:05,154 INFO L93 Difference]: Finished difference Result 90 states and 96 transitions. [2020-07-08 22:20:05,154 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2020-07-08 22:20:05,155 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:20:05,156 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:20:05,156 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 90 states. [2020-07-08 22:20:05,156 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 90 states. [2020-07-08 22:20:05,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:20:05,161 INFO L93 Difference]: Finished difference Result 90 states and 96 transitions. [2020-07-08 22:20:05,161 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2020-07-08 22:20:05,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:20:05,163 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:20:05,163 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:20:05,163 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:20:05,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-07-08 22:20:05,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2020-07-08 22:20:05,167 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 80 transitions. Word has length 89 [2020-07-08 22:20:05,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:20:05,168 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 80 transitions. [2020-07-08 22:20:05,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-08 22:20:05,168 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 75 states and 80 transitions. [2020-07-08 22:20:05,336 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:20:05,336 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2020-07-08 22:20:05,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-08 22:20:05,342 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:20:05,342 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:20:05,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 22:20:05,343 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:20:05,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:20:05,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1346991358, now seen corresponding path program 1 times [2020-07-08 22:20:05,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:20:05,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [751331983] [2020-07-08 22:20:05,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:20:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:05,464 INFO L280 TraceCheckUtils]: 0: Hoare triple {1600#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1531#true} is VALID [2020-07-08 22:20:05,464 INFO L280 TraceCheckUtils]: 1: Hoare triple {1531#true} #valid := #valid[0 := 0]; {1531#true} is VALID [2020-07-08 22:20:05,464 INFO L280 TraceCheckUtils]: 2: Hoare triple {1531#true} assume 0 < #StackHeapBarrier; {1531#true} is VALID [2020-07-08 22:20:05,465 INFO L280 TraceCheckUtils]: 3: Hoare triple {1531#true} ~head~0.base, ~head~0.offset := 0, 0; {1531#true} is VALID [2020-07-08 22:20:05,465 INFO L280 TraceCheckUtils]: 4: Hoare triple {1531#true} assume true; {1531#true} is VALID [2020-07-08 22:20:05,465 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1531#true} {1531#true} #138#return; {1531#true} is VALID [2020-07-08 22:20:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:05,508 INFO L280 TraceCheckUtils]: 0: Hoare triple {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 22:20:05,509 INFO L280 TraceCheckUtils]: 1: Hoare triple {1531#true} ~k := #in~k; {1531#true} is VALID [2020-07-08 22:20:05,509 INFO L280 TraceCheckUtils]: 2: Hoare triple {1531#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {1531#true} is VALID [2020-07-08 22:20:05,509 INFO L280 TraceCheckUtils]: 3: Hoare triple {1531#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {1531#true} is VALID [2020-07-08 22:20:05,510 INFO L280 TraceCheckUtils]: 4: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {1531#true} is VALID [2020-07-08 22:20:05,510 INFO L280 TraceCheckUtils]: 5: Hoare triple {1531#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {1531#true} is VALID [2020-07-08 22:20:05,510 INFO L280 TraceCheckUtils]: 6: Hoare triple {1531#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {1531#true} is VALID [2020-07-08 22:20:05,510 INFO L280 TraceCheckUtils]: 7: Hoare triple {1531#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {1531#true} is VALID [2020-07-08 22:20:05,511 INFO L280 TraceCheckUtils]: 8: Hoare triple {1531#true} #res := 0; {1531#true} is VALID [2020-07-08 22:20:05,511 INFO L280 TraceCheckUtils]: 9: Hoare triple {1531#true} assume true; {1531#true} is VALID [2020-07-08 22:20:05,511 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {1531#true} {1531#true} #126#return; {1531#true} is VALID [2020-07-08 22:20:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:05,529 INFO L280 TraceCheckUtils]: 0: Hoare triple {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 22:20:05,529 INFO L280 TraceCheckUtils]: 1: Hoare triple {1531#true} ~k := #in~k; {1531#true} is VALID [2020-07-08 22:20:05,530 INFO L280 TraceCheckUtils]: 2: Hoare triple {1531#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {1531#true} is VALID [2020-07-08 22:20:05,530 INFO L280 TraceCheckUtils]: 3: Hoare triple {1531#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {1531#true} is VALID [2020-07-08 22:20:05,530 INFO L280 TraceCheckUtils]: 4: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {1531#true} is VALID [2020-07-08 22:20:05,530 INFO L280 TraceCheckUtils]: 5: Hoare triple {1531#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {1531#true} is VALID [2020-07-08 22:20:05,530 INFO L280 TraceCheckUtils]: 6: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {1531#true} is VALID [2020-07-08 22:20:05,531 INFO L280 TraceCheckUtils]: 7: Hoare triple {1531#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {1531#true} is VALID [2020-07-08 22:20:05,531 INFO L280 TraceCheckUtils]: 8: Hoare triple {1531#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {1531#true} is VALID [2020-07-08 22:20:05,531 INFO L280 TraceCheckUtils]: 9: Hoare triple {1531#true} #res := 0; {1531#true} is VALID [2020-07-08 22:20:05,531 INFO L280 TraceCheckUtils]: 10: Hoare triple {1531#true} assume true; {1531#true} is VALID [2020-07-08 22:20:05,531 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1531#true} {1531#true} #128#return; {1531#true} is VALID [2020-07-08 22:20:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:05,540 INFO L280 TraceCheckUtils]: 0: Hoare triple {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 22:20:05,540 INFO L280 TraceCheckUtils]: 1: Hoare triple {1531#true} ~k := #in~k; {1531#true} is VALID [2020-07-08 22:20:05,541 INFO L280 TraceCheckUtils]: 2: Hoare triple {1531#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {1531#true} is VALID [2020-07-08 22:20:05,541 INFO L280 TraceCheckUtils]: 3: Hoare triple {1531#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {1531#true} is VALID [2020-07-08 22:20:05,541 INFO L280 TraceCheckUtils]: 4: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {1531#true} is VALID [2020-07-08 22:20:05,541 INFO L280 TraceCheckUtils]: 5: Hoare triple {1531#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {1531#true} is VALID [2020-07-08 22:20:05,542 INFO L280 TraceCheckUtils]: 6: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {1531#true} is VALID [2020-07-08 22:20:05,542 INFO L280 TraceCheckUtils]: 7: Hoare triple {1531#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {1531#true} is VALID [2020-07-08 22:20:05,542 INFO L280 TraceCheckUtils]: 8: Hoare triple {1531#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {1531#true} is VALID [2020-07-08 22:20:05,542 INFO L280 TraceCheckUtils]: 9: Hoare triple {1531#true} #res := 0; {1531#true} is VALID [2020-07-08 22:20:05,543 INFO L280 TraceCheckUtils]: 10: Hoare triple {1531#true} assume true; {1531#true} is VALID [2020-07-08 22:20:05,543 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1531#true} {1531#true} #130#return; {1531#true} is VALID [2020-07-08 22:20:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:05,620 INFO L280 TraceCheckUtils]: 0: Hoare triple {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 22:20:05,621 INFO L280 TraceCheckUtils]: 1: Hoare triple {1531#true} ~k := #in~k; {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 22:20:05,622 INFO L280 TraceCheckUtils]: 2: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 22:20:05,623 INFO L280 TraceCheckUtils]: 3: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 22:20:05,623 INFO L280 TraceCheckUtils]: 4: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 22:20:05,624 INFO L280 TraceCheckUtils]: 5: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} assume !(~head~0.base == 0 && ~head~0.offset == 0); {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 22:20:05,625 INFO L280 TraceCheckUtils]: 6: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {1603#(= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset))} is VALID [2020-07-08 22:20:05,626 INFO L280 TraceCheckUtils]: 7: Hoare triple {1603#(= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {1603#(= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset))} is VALID [2020-07-08 22:20:05,627 INFO L280 TraceCheckUtils]: 8: Hoare triple {1603#(= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 22:20:05,628 INFO L280 TraceCheckUtils]: 9: Hoare triple {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} #res := 0; {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 22:20:05,629 INFO L280 TraceCheckUtils]: 10: Hoare triple {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} assume true; {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 22:20:05,630 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} {1531#true} #132#return; {1586#(<= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset))} is VALID [2020-07-08 22:20:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:05,962 INFO L280 TraceCheckUtils]: 0: Hoare triple {1531#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 22:20:05,965 INFO L280 TraceCheckUtils]: 1: Hoare triple {1531#true} ~k := #in~k; {1605#(= |search_list_#in~k| search_list_~k)} is VALID [2020-07-08 22:20:05,965 INFO L280 TraceCheckUtils]: 2: Hoare triple {1605#(= |search_list_#in~k| search_list_~k)} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} is VALID [2020-07-08 22:20:05,971 INFO L280 TraceCheckUtils]: 3: Hoare triple {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} is VALID [2020-07-08 22:20:05,977 INFO L280 TraceCheckUtils]: 4: Hoare triple {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} assume #t~short3; {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} is VALID [2020-07-08 22:20:05,978 INFO L280 TraceCheckUtils]: 5: Hoare triple {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {1607#(or (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#t~mem2| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| search_list_~k) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 22:20:05,980 INFO L280 TraceCheckUtils]: 6: Hoare triple {1607#(or (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#t~mem2| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| search_list_~k) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} #t~short3 := #t~mem2 != ~k; {1608#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))) |search_list_#t~short3|)} is VALID [2020-07-08 22:20:05,980 INFO L280 TraceCheckUtils]: 7: Hoare triple {1608#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))) |search_list_#t~short3|)} assume !#t~short3; {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} is VALID [2020-07-08 22:20:05,981 INFO L280 TraceCheckUtils]: 8: Hoare triple {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} havoc #t~short3; {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} is VALID [2020-07-08 22:20:05,981 INFO L280 TraceCheckUtils]: 9: Hoare triple {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} havoc #t~mem2; {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} is VALID [2020-07-08 22:20:05,983 INFO L280 TraceCheckUtils]: 10: Hoare triple {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} #res.base, #res.offset := ~l.base, ~l.offset; {1610#(or (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 22:20:05,983 INFO L280 TraceCheckUtils]: 11: Hoare triple {1610#(or (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} assume true; {1610#(or (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 22:20:05,984 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {1610#(or (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} {1586#(<= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset))} #134#return; {1532#false} is VALID [2020-07-08 22:20:05,989 INFO L263 TraceCheckUtils]: 0: Hoare triple {1531#true} call ULTIMATE.init(); {1600#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:20:05,989 INFO L280 TraceCheckUtils]: 1: Hoare triple {1600#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1531#true} is VALID [2020-07-08 22:20:05,989 INFO L280 TraceCheckUtils]: 2: Hoare triple {1531#true} #valid := #valid[0 := 0]; {1531#true} is VALID [2020-07-08 22:20:05,989 INFO L280 TraceCheckUtils]: 3: Hoare triple {1531#true} assume 0 < #StackHeapBarrier; {1531#true} is VALID [2020-07-08 22:20:05,990 INFO L280 TraceCheckUtils]: 4: Hoare triple {1531#true} ~head~0.base, ~head~0.offset := 0, 0; {1531#true} is VALID [2020-07-08 22:20:05,990 INFO L280 TraceCheckUtils]: 5: Hoare triple {1531#true} assume true; {1531#true} is VALID [2020-07-08 22:20:05,990 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {1531#true} {1531#true} #138#return; {1531#true} is VALID [2020-07-08 22:20:05,990 INFO L263 TraceCheckUtils]: 7: Hoare triple {1531#true} call #t~ret13 := main(); {1531#true} is VALID [2020-07-08 22:20:05,990 INFO L280 TraceCheckUtils]: 8: Hoare triple {1531#true} havoc ~i~0; {1531#true} is VALID [2020-07-08 22:20:05,990 INFO L280 TraceCheckUtils]: 9: Hoare triple {1531#true} havoc ~mylist~0.base, ~mylist~0.offset; {1531#true} is VALID [2020-07-08 22:20:05,991 INFO L280 TraceCheckUtils]: 10: Hoare triple {1531#true} havoc ~temp~0.base, ~temp~0.offset; {1531#true} is VALID [2020-07-08 22:20:05,992 INFO L263 TraceCheckUtils]: 11: Hoare triple {1531#true} call #t~ret6 := insert_list(~mylist~0.base, ~mylist~0.offset, 2); {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:05,992 INFO L280 TraceCheckUtils]: 12: Hoare triple {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 22:20:05,992 INFO L280 TraceCheckUtils]: 13: Hoare triple {1531#true} ~k := #in~k; {1531#true} is VALID [2020-07-08 22:20:05,992 INFO L280 TraceCheckUtils]: 14: Hoare triple {1531#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {1531#true} is VALID [2020-07-08 22:20:05,992 INFO L280 TraceCheckUtils]: 15: Hoare triple {1531#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {1531#true} is VALID [2020-07-08 22:20:05,992 INFO L280 TraceCheckUtils]: 16: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {1531#true} is VALID [2020-07-08 22:20:05,993 INFO L280 TraceCheckUtils]: 17: Hoare triple {1531#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {1531#true} is VALID [2020-07-08 22:20:05,993 INFO L280 TraceCheckUtils]: 18: Hoare triple {1531#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {1531#true} is VALID [2020-07-08 22:20:05,993 INFO L280 TraceCheckUtils]: 19: Hoare triple {1531#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {1531#true} is VALID [2020-07-08 22:20:05,994 INFO L280 TraceCheckUtils]: 20: Hoare triple {1531#true} #res := 0; {1531#true} is VALID [2020-07-08 22:20:05,994 INFO L280 TraceCheckUtils]: 21: Hoare triple {1531#true} assume true; {1531#true} is VALID [2020-07-08 22:20:05,994 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1531#true} {1531#true} #126#return; {1531#true} is VALID [2020-07-08 22:20:05,994 INFO L280 TraceCheckUtils]: 23: Hoare triple {1531#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {1531#true} is VALID [2020-07-08 22:20:05,994 INFO L280 TraceCheckUtils]: 24: Hoare triple {1531#true} havoc #t~ret6; {1531#true} is VALID [2020-07-08 22:20:05,996 INFO L263 TraceCheckUtils]: 25: Hoare triple {1531#true} call #t~ret7 := insert_list(~mylist~0.base, ~mylist~0.offset, 5); {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:05,997 INFO L280 TraceCheckUtils]: 26: Hoare triple {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 22:20:05,997 INFO L280 TraceCheckUtils]: 27: Hoare triple {1531#true} ~k := #in~k; {1531#true} is VALID [2020-07-08 22:20:05,997 INFO L280 TraceCheckUtils]: 28: Hoare triple {1531#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {1531#true} is VALID [2020-07-08 22:20:05,997 INFO L280 TraceCheckUtils]: 29: Hoare triple {1531#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {1531#true} is VALID [2020-07-08 22:20:05,997 INFO L280 TraceCheckUtils]: 30: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {1531#true} is VALID [2020-07-08 22:20:05,998 INFO L280 TraceCheckUtils]: 31: Hoare triple {1531#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {1531#true} is VALID [2020-07-08 22:20:05,998 INFO L280 TraceCheckUtils]: 32: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {1531#true} is VALID [2020-07-08 22:20:05,998 INFO L280 TraceCheckUtils]: 33: Hoare triple {1531#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {1531#true} is VALID [2020-07-08 22:20:05,998 INFO L280 TraceCheckUtils]: 34: Hoare triple {1531#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {1531#true} is VALID [2020-07-08 22:20:05,998 INFO L280 TraceCheckUtils]: 35: Hoare triple {1531#true} #res := 0; {1531#true} is VALID [2020-07-08 22:20:05,999 INFO L280 TraceCheckUtils]: 36: Hoare triple {1531#true} assume true; {1531#true} is VALID [2020-07-08 22:20:05,999 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {1531#true} {1531#true} #128#return; {1531#true} is VALID [2020-07-08 22:20:05,999 INFO L280 TraceCheckUtils]: 38: Hoare triple {1531#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; {1531#true} is VALID [2020-07-08 22:20:05,999 INFO L280 TraceCheckUtils]: 39: Hoare triple {1531#true} havoc #t~ret7; {1531#true} is VALID [2020-07-08 22:20:06,001 INFO L263 TraceCheckUtils]: 40: Hoare triple {1531#true} call #t~ret8 := insert_list(~mylist~0.base, ~mylist~0.offset, 1); {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:06,001 INFO L280 TraceCheckUtils]: 41: Hoare triple {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 22:20:06,001 INFO L280 TraceCheckUtils]: 42: Hoare triple {1531#true} ~k := #in~k; {1531#true} is VALID [2020-07-08 22:20:06,001 INFO L280 TraceCheckUtils]: 43: Hoare triple {1531#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {1531#true} is VALID [2020-07-08 22:20:06,001 INFO L280 TraceCheckUtils]: 44: Hoare triple {1531#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {1531#true} is VALID [2020-07-08 22:20:06,001 INFO L280 TraceCheckUtils]: 45: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {1531#true} is VALID [2020-07-08 22:20:06,002 INFO L280 TraceCheckUtils]: 46: Hoare triple {1531#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {1531#true} is VALID [2020-07-08 22:20:06,002 INFO L280 TraceCheckUtils]: 47: Hoare triple {1531#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {1531#true} is VALID [2020-07-08 22:20:06,002 INFO L280 TraceCheckUtils]: 48: Hoare triple {1531#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {1531#true} is VALID [2020-07-08 22:20:06,002 INFO L280 TraceCheckUtils]: 49: Hoare triple {1531#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {1531#true} is VALID [2020-07-08 22:20:06,002 INFO L280 TraceCheckUtils]: 50: Hoare triple {1531#true} #res := 0; {1531#true} is VALID [2020-07-08 22:20:06,002 INFO L280 TraceCheckUtils]: 51: Hoare triple {1531#true} assume true; {1531#true} is VALID [2020-07-08 22:20:06,003 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {1531#true} {1531#true} #130#return; {1531#true} is VALID [2020-07-08 22:20:06,003 INFO L280 TraceCheckUtils]: 53: Hoare triple {1531#true} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {1531#true} is VALID [2020-07-08 22:20:06,003 INFO L280 TraceCheckUtils]: 54: Hoare triple {1531#true} havoc #t~ret8; {1531#true} is VALID [2020-07-08 22:20:06,010 INFO L263 TraceCheckUtils]: 55: Hoare triple {1531#true} call #t~ret9 := insert_list(~mylist~0.base, ~mylist~0.offset, 3); {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:06,010 INFO L280 TraceCheckUtils]: 56: Hoare triple {1601#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 22:20:06,011 INFO L280 TraceCheckUtils]: 57: Hoare triple {1531#true} ~k := #in~k; {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 22:20:06,011 INFO L280 TraceCheckUtils]: 58: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 22:20:06,012 INFO L280 TraceCheckUtils]: 59: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 22:20:06,012 INFO L280 TraceCheckUtils]: 60: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 22:20:06,013 INFO L280 TraceCheckUtils]: 61: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} assume !(~head~0.base == 0 && ~head~0.offset == 0); {1602#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 22:20:06,014 INFO L280 TraceCheckUtils]: 62: Hoare triple {1602#(= |insert_list_#in~k| insert_list_~k)} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {1603#(= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset))} is VALID [2020-07-08 22:20:06,015 INFO L280 TraceCheckUtils]: 63: Hoare triple {1603#(= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {1603#(= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset))} is VALID [2020-07-08 22:20:06,016 INFO L280 TraceCheckUtils]: 64: Hoare triple {1603#(= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 22:20:06,017 INFO L280 TraceCheckUtils]: 65: Hoare triple {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} #res := 0; {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 22:20:06,020 INFO L280 TraceCheckUtils]: 66: Hoare triple {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} assume true; {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 22:20:06,021 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {1604#(or (= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} {1531#true} #132#return; {1586#(<= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset))} is VALID [2020-07-08 22:20:06,022 INFO L280 TraceCheckUtils]: 68: Hoare triple {1586#(<= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset))} assume -2147483648 <= #t~ret9 && #t~ret9 <= 2147483647; {1586#(<= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset))} is VALID [2020-07-08 22:20:06,023 INFO L280 TraceCheckUtils]: 69: Hoare triple {1586#(<= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset))} havoc #t~ret9; {1586#(<= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset))} is VALID [2020-07-08 22:20:06,023 INFO L263 TraceCheckUtils]: 70: Hoare triple {1586#(<= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset))} call #t~ret10.base, #t~ret10.offset := search_list(~head~0.base, ~head~0.offset, 2); {1531#true} is VALID [2020-07-08 22:20:06,023 INFO L280 TraceCheckUtils]: 71: Hoare triple {1531#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {1531#true} is VALID [2020-07-08 22:20:06,024 INFO L280 TraceCheckUtils]: 72: Hoare triple {1531#true} ~k := #in~k; {1605#(= |search_list_#in~k| search_list_~k)} is VALID [2020-07-08 22:20:06,024 INFO L280 TraceCheckUtils]: 73: Hoare triple {1605#(= |search_list_#in~k| search_list_~k)} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} is VALID [2020-07-08 22:20:06,025 INFO L280 TraceCheckUtils]: 74: Hoare triple {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} is VALID [2020-07-08 22:20:06,026 INFO L280 TraceCheckUtils]: 75: Hoare triple {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} assume #t~short3; {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} is VALID [2020-07-08 22:20:06,027 INFO L280 TraceCheckUtils]: 76: Hoare triple {1606#(and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {1607#(or (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#t~mem2| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| search_list_~k) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 22:20:06,028 INFO L280 TraceCheckUtils]: 77: Hoare triple {1607#(or (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#t~mem2| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| search_list_~k) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} #t~short3 := #t~mem2 != ~k; {1608#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))) |search_list_#t~short3|)} is VALID [2020-07-08 22:20:06,029 INFO L280 TraceCheckUtils]: 78: Hoare triple {1608#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))) |search_list_#t~short3|)} assume !#t~short3; {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} is VALID [2020-07-08 22:20:06,030 INFO L280 TraceCheckUtils]: 79: Hoare triple {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} havoc #t~short3; {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} is VALID [2020-07-08 22:20:06,030 INFO L280 TraceCheckUtils]: 80: Hoare triple {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} havoc #t~mem2; {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} is VALID [2020-07-08 22:20:06,031 INFO L280 TraceCheckUtils]: 81: Hoare triple {1609#(or (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (and (= (select (select |#memory_int| search_list_~l.base) search_list_~l.offset) (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= (select |#memory_int| ~head~0.base) (select |#memory_int| search_list_~l.base))))} #res.base, #res.offset := ~l.base, ~l.offset; {1610#(or (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 22:20:06,032 INFO L280 TraceCheckUtils]: 82: Hoare triple {1610#(or (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} assume true; {1610#(or (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 22:20:06,033 INFO L275 TraceCheckUtils]: 83: Hoare quadruple {1610#(or (= |search_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 2 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} {1586#(<= 3 (select (select |#memory_int| ~head~0.base) ~head~0.offset))} #134#return; {1532#false} is VALID [2020-07-08 22:20:06,034 INFO L280 TraceCheckUtils]: 84: Hoare triple {1532#false} ~temp~0.base, ~temp~0.offset := #t~ret10.base, #t~ret10.offset; {1532#false} is VALID [2020-07-08 22:20:06,034 INFO L280 TraceCheckUtils]: 85: Hoare triple {1532#false} havoc #t~ret10.base, #t~ret10.offset; {1532#false} is VALID [2020-07-08 22:20:06,034 INFO L280 TraceCheckUtils]: 86: Hoare triple {1532#false} SUMMARY for call #t~mem11 := read~int(~temp~0.base, ~temp~0.offset, 4); srcloc: L550 {1532#false} is VALID [2020-07-08 22:20:06,034 INFO L263 TraceCheckUtils]: 87: Hoare triple {1532#false} call __VERIFIER_assert((if 1 == #t~mem11 then 1 else 0)); {1532#false} is VALID [2020-07-08 22:20:06,034 INFO L280 TraceCheckUtils]: 88: Hoare triple {1532#false} ~cond := #in~cond; {1532#false} is VALID [2020-07-08 22:20:06,034 INFO L280 TraceCheckUtils]: 89: Hoare triple {1532#false} assume 0 == ~cond; {1532#false} is VALID [2020-07-08 22:20:06,035 INFO L280 TraceCheckUtils]: 90: Hoare triple {1532#false} assume !false; {1532#false} is VALID [2020-07-08 22:20:06,049 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-07-08 22:20:06,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [751331983] [2020-07-08 22:20:06,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:20:06,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-08 22:20:06,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038270504] [2020-07-08 22:20:06,053 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 91 [2020-07-08 22:20:06,054 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:20:06,054 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2020-07-08 22:20:06,137 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:20:06,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-08 22:20:06,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:20:06,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-08 22:20:06,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-07-08 22:20:06,138 INFO L87 Difference]: Start difference. First operand 75 states and 80 transitions. Second operand 14 states. [2020-07-08 22:20:09,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:20:09,183 INFO L93 Difference]: Finished difference Result 100 states and 105 transitions. [2020-07-08 22:20:09,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-08 22:20:09,183 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 91 [2020-07-08 22:20:09,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:20:09,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-08 22:20:09,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 95 transitions. [2020-07-08 22:20:09,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-08 22:20:09,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 95 transitions. [2020-07-08 22:20:09,200 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 95 transitions. [2020-07-08 22:20:09,359 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:20:09,363 INFO L225 Difference]: With dead ends: 100 [2020-07-08 22:20:09,363 INFO L226 Difference]: Without dead ends: 87 [2020-07-08 22:20:09,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=177, Invalid=693, Unknown=0, NotChecked=0, Total=870 [2020-07-08 22:20:09,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-07-08 22:20:09,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 78. [2020-07-08 22:20:09,642 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:20:09,642 INFO L82 GeneralOperation]: Start isEquivalent. First operand 87 states. Second operand 78 states. [2020-07-08 22:20:09,643 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 78 states. [2020-07-08 22:20:09,643 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 78 states. [2020-07-08 22:20:09,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:20:09,647 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2020-07-08 22:20:09,648 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 92 transitions. [2020-07-08 22:20:09,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:20:09,648 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:20:09,648 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 87 states. [2020-07-08 22:20:09,649 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 87 states. [2020-07-08 22:20:09,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:20:09,652 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2020-07-08 22:20:09,653 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 92 transitions. [2020-07-08 22:20:09,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:20:09,653 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:20:09,653 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:20:09,654 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:20:09,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-08 22:20:09,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 83 transitions. [2020-07-08 22:20:09,657 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 83 transitions. Word has length 91 [2020-07-08 22:20:09,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:20:09,657 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 83 transitions. [2020-07-08 22:20:09,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-08 22:20:09,658 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 78 states and 83 transitions. [2020-07-08 22:20:09,828 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:20:09,828 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 83 transitions. [2020-07-08 22:20:09,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-08 22:20:09,830 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:20:09,830 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2020-07-08 22:20:09,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 22:20:09,831 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:20:09,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:20:09,831 INFO L82 PathProgramCache]: Analyzing trace with hash 2140447576, now seen corresponding path program 1 times [2020-07-08 22:20:09,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:20:09,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [705855939] [2020-07-08 22:20:09,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:20:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:09,962 INFO L280 TraceCheckUtils]: 0: Hoare triple {2255#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {2177#true} is VALID [2020-07-08 22:20:09,962 INFO L280 TraceCheckUtils]: 1: Hoare triple {2177#true} #valid := #valid[0 := 0]; {2177#true} is VALID [2020-07-08 22:20:09,962 INFO L280 TraceCheckUtils]: 2: Hoare triple {2177#true} assume 0 < #StackHeapBarrier; {2177#true} is VALID [2020-07-08 22:20:09,962 INFO L280 TraceCheckUtils]: 3: Hoare triple {2177#true} ~head~0.base, ~head~0.offset := 0, 0; {2177#true} is VALID [2020-07-08 22:20:09,962 INFO L280 TraceCheckUtils]: 4: Hoare triple {2177#true} assume true; {2177#true} is VALID [2020-07-08 22:20:09,963 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2177#true} {2177#true} #138#return; {2177#true} is VALID [2020-07-08 22:20:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:09,991 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {2177#true} is VALID [2020-07-08 22:20:09,991 INFO L280 TraceCheckUtils]: 1: Hoare triple {2177#true} ~k := #in~k; {2177#true} is VALID [2020-07-08 22:20:09,991 INFO L280 TraceCheckUtils]: 2: Hoare triple {2177#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {2177#true} is VALID [2020-07-08 22:20:09,991 INFO L280 TraceCheckUtils]: 3: Hoare triple {2177#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {2177#true} is VALID [2020-07-08 22:20:09,992 INFO L280 TraceCheckUtils]: 4: Hoare triple {2177#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {2177#true} is VALID [2020-07-08 22:20:09,992 INFO L280 TraceCheckUtils]: 5: Hoare triple {2177#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {2177#true} is VALID [2020-07-08 22:20:09,992 INFO L280 TraceCheckUtils]: 6: Hoare triple {2177#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {2177#true} is VALID [2020-07-08 22:20:09,992 INFO L280 TraceCheckUtils]: 7: Hoare triple {2177#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {2177#true} is VALID [2020-07-08 22:20:09,992 INFO L280 TraceCheckUtils]: 8: Hoare triple {2177#true} #res := 0; {2177#true} is VALID [2020-07-08 22:20:09,993 INFO L280 TraceCheckUtils]: 9: Hoare triple {2177#true} assume true; {2177#true} is VALID [2020-07-08 22:20:09,993 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {2177#true} {2177#true} #126#return; {2177#true} is VALID [2020-07-08 22:20:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:10,001 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {2177#true} is VALID [2020-07-08 22:20:10,001 INFO L280 TraceCheckUtils]: 1: Hoare triple {2177#true} ~k := #in~k; {2177#true} is VALID [2020-07-08 22:20:10,001 INFO L280 TraceCheckUtils]: 2: Hoare triple {2177#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {2177#true} is VALID [2020-07-08 22:20:10,001 INFO L280 TraceCheckUtils]: 3: Hoare triple {2177#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {2177#true} is VALID [2020-07-08 22:20:10,002 INFO L280 TraceCheckUtils]: 4: Hoare triple {2177#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {2177#true} is VALID [2020-07-08 22:20:10,002 INFO L280 TraceCheckUtils]: 5: Hoare triple {2177#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {2177#true} is VALID [2020-07-08 22:20:10,002 INFO L280 TraceCheckUtils]: 6: Hoare triple {2177#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {2177#true} is VALID [2020-07-08 22:20:10,002 INFO L280 TraceCheckUtils]: 7: Hoare triple {2177#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {2177#true} is VALID [2020-07-08 22:20:10,002 INFO L280 TraceCheckUtils]: 8: Hoare triple {2177#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {2177#true} is VALID [2020-07-08 22:20:10,003 INFO L280 TraceCheckUtils]: 9: Hoare triple {2177#true} #res := 0; {2177#true} is VALID [2020-07-08 22:20:10,003 INFO L280 TraceCheckUtils]: 10: Hoare triple {2177#true} assume true; {2177#true} is VALID [2020-07-08 22:20:10,003 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {2177#true} {2177#true} #128#return; {2177#true} is VALID [2020-07-08 22:20:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:10,039 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {2177#true} is VALID [2020-07-08 22:20:10,039 INFO L280 TraceCheckUtils]: 1: Hoare triple {2177#true} ~k := #in~k; {2177#true} is VALID [2020-07-08 22:20:10,040 INFO L280 TraceCheckUtils]: 2: Hoare triple {2177#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {2257#(not (= |insert_list_#t~malloc5.base| 0))} is VALID [2020-07-08 22:20:10,041 INFO L280 TraceCheckUtils]: 3: Hoare triple {2257#(not (= |insert_list_#t~malloc5.base| 0))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {2258#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:10,041 INFO L280 TraceCheckUtils]: 4: Hoare triple {2258#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {2258#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:10,042 INFO L280 TraceCheckUtils]: 5: Hoare triple {2258#(not (= 0 insert_list_~l.base))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {2258#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:10,042 INFO L280 TraceCheckUtils]: 6: Hoare triple {2258#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {2258#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:10,043 INFO L280 TraceCheckUtils]: 7: Hoare triple {2258#(not (= 0 insert_list_~l.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {2258#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:10,044 INFO L280 TraceCheckUtils]: 8: Hoare triple {2258#(not (= 0 insert_list_~l.base))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {2220#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:10,044 INFO L280 TraceCheckUtils]: 9: Hoare triple {2220#(not (= 0 ~head~0.base))} #res := 0; {2220#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:10,045 INFO L280 TraceCheckUtils]: 10: Hoare triple {2220#(not (= 0 ~head~0.base))} assume true; {2220#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:10,046 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {2220#(not (= 0 ~head~0.base))} {2177#true} #130#return; {2220#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:10,206 INFO L280 TraceCheckUtils]: 0: Hoare triple {2256#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {2259#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:20:10,206 INFO L280 TraceCheckUtils]: 1: Hoare triple {2259#(= |old(~head~0.base)| ~head~0.base)} ~k := #in~k; {2259#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:20:10,207 INFO L280 TraceCheckUtils]: 2: Hoare triple {2259#(= |old(~head~0.base)| ~head~0.base)} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {2260#(and (= |old(~head~0.base)| ~head~0.base) (= 0 |insert_list_#t~malloc5.offset|))} is VALID [2020-07-08 22:20:10,208 INFO L280 TraceCheckUtils]: 3: Hoare triple {2260#(and (= |old(~head~0.base)| ~head~0.base) (= 0 |insert_list_#t~malloc5.offset|))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {2261#(and (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:10,208 INFO L280 TraceCheckUtils]: 4: Hoare triple {2261#(and (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {2261#(and (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:10,209 INFO L280 TraceCheckUtils]: 5: Hoare triple {2261#(and (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {2261#(and (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:10,210 INFO L280 TraceCheckUtils]: 6: Hoare triple {2261#(and (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {2261#(and (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:10,210 INFO L280 TraceCheckUtils]: 7: Hoare triple {2261#(and (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {2262#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) 4)) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:10,211 INFO L280 TraceCheckUtils]: 8: Hoare triple {2262#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) 4)) (= 0 insert_list_~l.offset))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {2263#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)))} is VALID [2020-07-08 22:20:10,212 INFO L280 TraceCheckUtils]: 9: Hoare triple {2263#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)))} #res := 0; {2263#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)))} is VALID [2020-07-08 22:20:10,212 INFO L280 TraceCheckUtils]: 10: Hoare triple {2263#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)))} assume true; {2263#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)))} is VALID [2020-07-08 22:20:10,213 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {2263#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)))} {2220#(not (= 0 ~head~0.base))} #132#return; {2233#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))))} is VALID [2020-07-08 22:20:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:10,450 INFO L280 TraceCheckUtils]: 0: Hoare triple {2177#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {2177#true} is VALID [2020-07-08 22:20:10,450 INFO L280 TraceCheckUtils]: 1: Hoare triple {2177#true} ~k := #in~k; {2177#true} is VALID [2020-07-08 22:20:10,451 INFO L280 TraceCheckUtils]: 2: Hoare triple {2177#true} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {2264#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= ~head~0.offset search_list_~l.offset)))} is VALID [2020-07-08 22:20:10,452 INFO L280 TraceCheckUtils]: 3: Hoare triple {2264#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= ~head~0.offset search_list_~l.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:10,453 INFO L280 TraceCheckUtils]: 4: Hoare triple {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume #t~short3; {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:10,454 INFO L280 TraceCheckUtils]: 5: Hoare triple {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:10,455 INFO L280 TraceCheckUtils]: 6: Hoare triple {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} #t~short3 := #t~mem2 != ~k; {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:10,455 INFO L280 TraceCheckUtils]: 7: Hoare triple {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume !!#t~short3; {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:10,456 INFO L280 TraceCheckUtils]: 8: Hoare triple {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} havoc #t~short3; {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:10,457 INFO L280 TraceCheckUtils]: 9: Hoare triple {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} havoc #t~mem2; {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:10,458 INFO L280 TraceCheckUtils]: 10: Hoare triple {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~l.base, 4 + ~l.offset, 4); srcloc: L526 {2266#(or (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,460 INFO L280 TraceCheckUtils]: 11: Hoare triple {2266#(or (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} ~l.base, ~l.offset := #t~mem4.base, #t~mem4.offset; {2267#(or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,461 INFO L280 TraceCheckUtils]: 12: Hoare triple {2267#(or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} havoc #t~mem4.base, #t~mem4.offset; {2267#(or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,462 INFO L280 TraceCheckUtils]: 13: Hoare triple {2267#(or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {2268#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) |search_list_#t~short3| (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,463 INFO L280 TraceCheckUtils]: 14: Hoare triple {2268#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) |search_list_#t~short3| (not (= 0 ~head~0.offset)))} assume !#t~short3; {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,464 INFO L280 TraceCheckUtils]: 15: Hoare triple {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} assume !#t~short3; {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,464 INFO L280 TraceCheckUtils]: 16: Hoare triple {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} havoc #t~short3; {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,465 INFO L280 TraceCheckUtils]: 17: Hoare triple {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} havoc #t~mem2; {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,465 INFO L280 TraceCheckUtils]: 18: Hoare triple {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} #res.base, #res.offset := ~l.base, ~l.offset; {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,466 INFO L280 TraceCheckUtils]: 19: Hoare triple {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} assume true; {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,467 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} {2233#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))))} #134#return; {2178#false} is VALID [2020-07-08 22:20:10,470 INFO L263 TraceCheckUtils]: 0: Hoare triple {2177#true} call ULTIMATE.init(); {2255#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:20:10,470 INFO L280 TraceCheckUtils]: 1: Hoare triple {2255#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {2177#true} is VALID [2020-07-08 22:20:10,470 INFO L280 TraceCheckUtils]: 2: Hoare triple {2177#true} #valid := #valid[0 := 0]; {2177#true} is VALID [2020-07-08 22:20:10,471 INFO L280 TraceCheckUtils]: 3: Hoare triple {2177#true} assume 0 < #StackHeapBarrier; {2177#true} is VALID [2020-07-08 22:20:10,471 INFO L280 TraceCheckUtils]: 4: Hoare triple {2177#true} ~head~0.base, ~head~0.offset := 0, 0; {2177#true} is VALID [2020-07-08 22:20:10,471 INFO L280 TraceCheckUtils]: 5: Hoare triple {2177#true} assume true; {2177#true} is VALID [2020-07-08 22:20:10,471 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {2177#true} {2177#true} #138#return; {2177#true} is VALID [2020-07-08 22:20:10,471 INFO L263 TraceCheckUtils]: 7: Hoare triple {2177#true} call #t~ret13 := main(); {2177#true} is VALID [2020-07-08 22:20:10,472 INFO L280 TraceCheckUtils]: 8: Hoare triple {2177#true} havoc ~i~0; {2177#true} is VALID [2020-07-08 22:20:10,472 INFO L280 TraceCheckUtils]: 9: Hoare triple {2177#true} havoc ~mylist~0.base, ~mylist~0.offset; {2177#true} is VALID [2020-07-08 22:20:10,472 INFO L280 TraceCheckUtils]: 10: Hoare triple {2177#true} havoc ~temp~0.base, ~temp~0.offset; {2177#true} is VALID [2020-07-08 22:20:10,474 INFO L263 TraceCheckUtils]: 11: Hoare triple {2177#true} call #t~ret6 := insert_list(~mylist~0.base, ~mylist~0.offset, 2); {2256#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:10,474 INFO L280 TraceCheckUtils]: 12: Hoare triple {2256#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {2177#true} is VALID [2020-07-08 22:20:10,474 INFO L280 TraceCheckUtils]: 13: Hoare triple {2177#true} ~k := #in~k; {2177#true} is VALID [2020-07-08 22:20:10,474 INFO L280 TraceCheckUtils]: 14: Hoare triple {2177#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {2177#true} is VALID [2020-07-08 22:20:10,474 INFO L280 TraceCheckUtils]: 15: Hoare triple {2177#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {2177#true} is VALID [2020-07-08 22:20:10,475 INFO L280 TraceCheckUtils]: 16: Hoare triple {2177#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {2177#true} is VALID [2020-07-08 22:20:10,475 INFO L280 TraceCheckUtils]: 17: Hoare triple {2177#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {2177#true} is VALID [2020-07-08 22:20:10,475 INFO L280 TraceCheckUtils]: 18: Hoare triple {2177#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {2177#true} is VALID [2020-07-08 22:20:10,475 INFO L280 TraceCheckUtils]: 19: Hoare triple {2177#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {2177#true} is VALID [2020-07-08 22:20:10,475 INFO L280 TraceCheckUtils]: 20: Hoare triple {2177#true} #res := 0; {2177#true} is VALID [2020-07-08 22:20:10,476 INFO L280 TraceCheckUtils]: 21: Hoare triple {2177#true} assume true; {2177#true} is VALID [2020-07-08 22:20:10,476 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {2177#true} {2177#true} #126#return; {2177#true} is VALID [2020-07-08 22:20:10,476 INFO L280 TraceCheckUtils]: 23: Hoare triple {2177#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {2177#true} is VALID [2020-07-08 22:20:10,476 INFO L280 TraceCheckUtils]: 24: Hoare triple {2177#true} havoc #t~ret6; {2177#true} is VALID [2020-07-08 22:20:10,478 INFO L263 TraceCheckUtils]: 25: Hoare triple {2177#true} call #t~ret7 := insert_list(~mylist~0.base, ~mylist~0.offset, 5); {2256#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:10,478 INFO L280 TraceCheckUtils]: 26: Hoare triple {2256#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {2177#true} is VALID [2020-07-08 22:20:10,478 INFO L280 TraceCheckUtils]: 27: Hoare triple {2177#true} ~k := #in~k; {2177#true} is VALID [2020-07-08 22:20:10,479 INFO L280 TraceCheckUtils]: 28: Hoare triple {2177#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {2177#true} is VALID [2020-07-08 22:20:10,479 INFO L280 TraceCheckUtils]: 29: Hoare triple {2177#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {2177#true} is VALID [2020-07-08 22:20:10,479 INFO L280 TraceCheckUtils]: 30: Hoare triple {2177#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {2177#true} is VALID [2020-07-08 22:20:10,479 INFO L280 TraceCheckUtils]: 31: Hoare triple {2177#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {2177#true} is VALID [2020-07-08 22:20:10,479 INFO L280 TraceCheckUtils]: 32: Hoare triple {2177#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {2177#true} is VALID [2020-07-08 22:20:10,479 INFO L280 TraceCheckUtils]: 33: Hoare triple {2177#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {2177#true} is VALID [2020-07-08 22:20:10,480 INFO L280 TraceCheckUtils]: 34: Hoare triple {2177#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {2177#true} is VALID [2020-07-08 22:20:10,480 INFO L280 TraceCheckUtils]: 35: Hoare triple {2177#true} #res := 0; {2177#true} is VALID [2020-07-08 22:20:10,480 INFO L280 TraceCheckUtils]: 36: Hoare triple {2177#true} assume true; {2177#true} is VALID [2020-07-08 22:20:10,480 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {2177#true} {2177#true} #128#return; {2177#true} is VALID [2020-07-08 22:20:10,480 INFO L280 TraceCheckUtils]: 38: Hoare triple {2177#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; {2177#true} is VALID [2020-07-08 22:20:10,481 INFO L280 TraceCheckUtils]: 39: Hoare triple {2177#true} havoc #t~ret7; {2177#true} is VALID [2020-07-08 22:20:10,482 INFO L263 TraceCheckUtils]: 40: Hoare triple {2177#true} call #t~ret8 := insert_list(~mylist~0.base, ~mylist~0.offset, 1); {2256#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:10,482 INFO L280 TraceCheckUtils]: 41: Hoare triple {2256#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {2177#true} is VALID [2020-07-08 22:20:10,482 INFO L280 TraceCheckUtils]: 42: Hoare triple {2177#true} ~k := #in~k; {2177#true} is VALID [2020-07-08 22:20:10,483 INFO L280 TraceCheckUtils]: 43: Hoare triple {2177#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {2257#(not (= |insert_list_#t~malloc5.base| 0))} is VALID [2020-07-08 22:20:10,484 INFO L280 TraceCheckUtils]: 44: Hoare triple {2257#(not (= |insert_list_#t~malloc5.base| 0))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {2258#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:10,484 INFO L280 TraceCheckUtils]: 45: Hoare triple {2258#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {2258#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:10,485 INFO L280 TraceCheckUtils]: 46: Hoare triple {2258#(not (= 0 insert_list_~l.base))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {2258#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:10,485 INFO L280 TraceCheckUtils]: 47: Hoare triple {2258#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {2258#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:10,486 INFO L280 TraceCheckUtils]: 48: Hoare triple {2258#(not (= 0 insert_list_~l.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {2258#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:10,486 INFO L280 TraceCheckUtils]: 49: Hoare triple {2258#(not (= 0 insert_list_~l.base))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {2220#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:10,487 INFO L280 TraceCheckUtils]: 50: Hoare triple {2220#(not (= 0 ~head~0.base))} #res := 0; {2220#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:10,488 INFO L280 TraceCheckUtils]: 51: Hoare triple {2220#(not (= 0 ~head~0.base))} assume true; {2220#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:10,489 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {2220#(not (= 0 ~head~0.base))} {2177#true} #130#return; {2220#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:10,490 INFO L280 TraceCheckUtils]: 53: Hoare triple {2220#(not (= 0 ~head~0.base))} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {2220#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:10,490 INFO L280 TraceCheckUtils]: 54: Hoare triple {2220#(not (= 0 ~head~0.base))} havoc #t~ret8; {2220#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:10,492 INFO L263 TraceCheckUtils]: 55: Hoare triple {2220#(not (= 0 ~head~0.base))} call #t~ret9 := insert_list(~mylist~0.base, ~mylist~0.offset, 3); {2256#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:10,492 INFO L280 TraceCheckUtils]: 56: Hoare triple {2256#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {2259#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:20:10,493 INFO L280 TraceCheckUtils]: 57: Hoare triple {2259#(= |old(~head~0.base)| ~head~0.base)} ~k := #in~k; {2259#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:20:10,494 INFO L280 TraceCheckUtils]: 58: Hoare triple {2259#(= |old(~head~0.base)| ~head~0.base)} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {2260#(and (= |old(~head~0.base)| ~head~0.base) (= 0 |insert_list_#t~malloc5.offset|))} is VALID [2020-07-08 22:20:10,494 INFO L280 TraceCheckUtils]: 59: Hoare triple {2260#(and (= |old(~head~0.base)| ~head~0.base) (= 0 |insert_list_#t~malloc5.offset|))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {2261#(and (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:10,495 INFO L280 TraceCheckUtils]: 60: Hoare triple {2261#(and (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {2261#(and (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:10,496 INFO L280 TraceCheckUtils]: 61: Hoare triple {2261#(and (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {2261#(and (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:10,497 INFO L280 TraceCheckUtils]: 62: Hoare triple {2261#(and (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {2261#(and (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:10,498 INFO L280 TraceCheckUtils]: 63: Hoare triple {2261#(and (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {2262#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) 4)) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:10,498 INFO L280 TraceCheckUtils]: 64: Hoare triple {2262#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) 4)) (= 0 insert_list_~l.offset))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {2263#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)))} is VALID [2020-07-08 22:20:10,499 INFO L280 TraceCheckUtils]: 65: Hoare triple {2263#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)))} #res := 0; {2263#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)))} is VALID [2020-07-08 22:20:10,500 INFO L280 TraceCheckUtils]: 66: Hoare triple {2263#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)))} assume true; {2263#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)))} is VALID [2020-07-08 22:20:10,501 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {2263#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)))} {2220#(not (= 0 ~head~0.base))} #132#return; {2233#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))))} is VALID [2020-07-08 22:20:10,502 INFO L280 TraceCheckUtils]: 68: Hoare triple {2233#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))))} assume -2147483648 <= #t~ret9 && #t~ret9 <= 2147483647; {2233#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))))} is VALID [2020-07-08 22:20:10,503 INFO L280 TraceCheckUtils]: 69: Hoare triple {2233#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))))} havoc #t~ret9; {2233#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))))} is VALID [2020-07-08 22:20:10,503 INFO L263 TraceCheckUtils]: 70: Hoare triple {2233#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))))} call #t~ret10.base, #t~ret10.offset := search_list(~head~0.base, ~head~0.offset, 2); {2177#true} is VALID [2020-07-08 22:20:10,503 INFO L280 TraceCheckUtils]: 71: Hoare triple {2177#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {2177#true} is VALID [2020-07-08 22:20:10,503 INFO L280 TraceCheckUtils]: 72: Hoare triple {2177#true} ~k := #in~k; {2177#true} is VALID [2020-07-08 22:20:10,504 INFO L280 TraceCheckUtils]: 73: Hoare triple {2177#true} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {2264#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= ~head~0.offset search_list_~l.offset)))} is VALID [2020-07-08 22:20:10,505 INFO L280 TraceCheckUtils]: 74: Hoare triple {2264#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= ~head~0.offset search_list_~l.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:10,506 INFO L280 TraceCheckUtils]: 75: Hoare triple {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume #t~short3; {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:10,506 INFO L280 TraceCheckUtils]: 76: Hoare triple {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:10,507 INFO L280 TraceCheckUtils]: 77: Hoare triple {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} #t~short3 := #t~mem2 != ~k; {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:10,508 INFO L280 TraceCheckUtils]: 78: Hoare triple {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume !!#t~short3; {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:10,508 INFO L280 TraceCheckUtils]: 79: Hoare triple {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} havoc #t~short3; {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:10,509 INFO L280 TraceCheckUtils]: 80: Hoare triple {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} havoc #t~mem2; {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:10,510 INFO L280 TraceCheckUtils]: 81: Hoare triple {2265#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~l.base, 4 + ~l.offset, 4); srcloc: L526 {2266#(or (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,511 INFO L280 TraceCheckUtils]: 82: Hoare triple {2266#(or (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} ~l.base, ~l.offset := #t~mem4.base, #t~mem4.offset; {2267#(or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,511 INFO L280 TraceCheckUtils]: 83: Hoare triple {2267#(or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} havoc #t~mem4.base, #t~mem4.offset; {2267#(or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,512 INFO L280 TraceCheckUtils]: 84: Hoare triple {2267#(or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {2268#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) |search_list_#t~short3| (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,513 INFO L280 TraceCheckUtils]: 85: Hoare triple {2268#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) |search_list_#t~short3| (not (= 0 ~head~0.offset)))} assume !#t~short3; {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,513 INFO L280 TraceCheckUtils]: 86: Hoare triple {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} assume !#t~short3; {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,514 INFO L280 TraceCheckUtils]: 87: Hoare triple {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} havoc #t~short3; {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,514 INFO L280 TraceCheckUtils]: 88: Hoare triple {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} havoc #t~mem2; {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,515 INFO L280 TraceCheckUtils]: 89: Hoare triple {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} #res.base, #res.offset := ~l.base, ~l.offset; {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,515 INFO L280 TraceCheckUtils]: 90: Hoare triple {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} assume true; {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:10,516 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {2269#(or (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 ~head~0.offset)))} {2233#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))))} #134#return; {2178#false} is VALID [2020-07-08 22:20:10,517 INFO L280 TraceCheckUtils]: 92: Hoare triple {2178#false} ~temp~0.base, ~temp~0.offset := #t~ret10.base, #t~ret10.offset; {2178#false} is VALID [2020-07-08 22:20:10,517 INFO L280 TraceCheckUtils]: 93: Hoare triple {2178#false} havoc #t~ret10.base, #t~ret10.offset; {2178#false} is VALID [2020-07-08 22:20:10,517 INFO L280 TraceCheckUtils]: 94: Hoare triple {2178#false} SUMMARY for call #t~mem11 := read~int(~temp~0.base, ~temp~0.offset, 4); srcloc: L550 {2178#false} is VALID [2020-07-08 22:20:10,517 INFO L263 TraceCheckUtils]: 95: Hoare triple {2178#false} call __VERIFIER_assert((if 1 == #t~mem11 then 1 else 0)); {2178#false} is VALID [2020-07-08 22:20:10,517 INFO L280 TraceCheckUtils]: 96: Hoare triple {2178#false} ~cond := #in~cond; {2178#false} is VALID [2020-07-08 22:20:10,517 INFO L280 TraceCheckUtils]: 97: Hoare triple {2178#false} assume 0 == ~cond; {2178#false} is VALID [2020-07-08 22:20:10,518 INFO L280 TraceCheckUtils]: 98: Hoare triple {2178#false} assume !false; {2178#false} is VALID [2020-07-08 22:20:10,537 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 38 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-08 22:20:10,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [705855939] [2020-07-08 22:20:10,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:20:10,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-07-08 22:20:10,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320101353] [2020-07-08 22:20:10,539 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 99 [2020-07-08 22:20:10,539 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:20:10,539 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states. [2020-07-08 22:20:10,638 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:20:10,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-08 22:20:10,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:20:10,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-08 22:20:10,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2020-07-08 22:20:10,639 INFO L87 Difference]: Start difference. First operand 78 states and 83 transitions. Second operand 19 states. [2020-07-08 22:20:16,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:20:16,039 INFO L93 Difference]: Finished difference Result 138 states and 146 transitions. [2020-07-08 22:20:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-08 22:20:16,039 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 99 [2020-07-08 22:20:16,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:20:16,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-08 22:20:16,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 146 transitions. [2020-07-08 22:20:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-08 22:20:16,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 146 transitions. [2020-07-08 22:20:16,048 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states and 146 transitions. [2020-07-08 22:20:16,291 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 146 edges. 146 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:20:16,294 INFO L225 Difference]: With dead ends: 138 [2020-07-08 22:20:16,295 INFO L226 Difference]: Without dead ends: 115 [2020-07-08 22:20:16,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=297, Invalid=1509, Unknown=0, NotChecked=0, Total=1806 [2020-07-08 22:20:16,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-08 22:20:16,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 87. [2020-07-08 22:20:16,716 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:20:16,716 INFO L82 GeneralOperation]: Start isEquivalent. First operand 115 states. Second operand 87 states. [2020-07-08 22:20:16,716 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 87 states. [2020-07-08 22:20:16,716 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 87 states. [2020-07-08 22:20:16,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:20:16,722 INFO L93 Difference]: Finished difference Result 115 states and 121 transitions. [2020-07-08 22:20:16,722 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 121 transitions. [2020-07-08 22:20:16,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:20:16,722 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:20:16,723 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 115 states. [2020-07-08 22:20:16,723 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 115 states. [2020-07-08 22:20:16,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:20:16,728 INFO L93 Difference]: Finished difference Result 115 states and 121 transitions. [2020-07-08 22:20:16,728 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 121 transitions. [2020-07-08 22:20:16,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:20:16,729 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:20:16,729 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:20:16,729 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:20:16,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-08 22:20:16,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 91 transitions. [2020-07-08 22:20:16,732 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 91 transitions. Word has length 99 [2020-07-08 22:20:16,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:20:16,733 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 91 transitions. [2020-07-08 22:20:16,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-08 22:20:16,733 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 87 states and 91 transitions. [2020-07-08 22:20:16,943 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 22:20:16,944 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2020-07-08 22:20:16,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-07-08 22:20:16,945 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:20:16,946 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2020-07-08 22:20:16,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 22:20:16,946 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:20:16,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:20:16,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1242921541, now seen corresponding path program 1 times [2020-07-08 22:20:16,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:20:16,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1057128877] [2020-07-08 22:20:16,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:20:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:17,161 INFO L280 TraceCheckUtils]: 0: Hoare triple {3089#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3004#true} is VALID [2020-07-08 22:20:17,161 INFO L280 TraceCheckUtils]: 1: Hoare triple {3004#true} #valid := #valid[0 := 0]; {3004#true} is VALID [2020-07-08 22:20:17,162 INFO L280 TraceCheckUtils]: 2: Hoare triple {3004#true} assume 0 < #StackHeapBarrier; {3004#true} is VALID [2020-07-08 22:20:17,162 INFO L280 TraceCheckUtils]: 3: Hoare triple {3004#true} ~head~0.base, ~head~0.offset := 0, 0; {3004#true} is VALID [2020-07-08 22:20:17,162 INFO L280 TraceCheckUtils]: 4: Hoare triple {3004#true} assume true; {3004#true} is VALID [2020-07-08 22:20:17,162 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3004#true} {3004#true} #138#return; {3004#true} is VALID [2020-07-08 22:20:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:17,203 INFO L280 TraceCheckUtils]: 0: Hoare triple {3090#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3004#true} is VALID [2020-07-08 22:20:17,203 INFO L280 TraceCheckUtils]: 1: Hoare triple {3004#true} ~k := #in~k; {3004#true} is VALID [2020-07-08 22:20:17,203 INFO L280 TraceCheckUtils]: 2: Hoare triple {3004#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {3004#true} is VALID [2020-07-08 22:20:17,204 INFO L280 TraceCheckUtils]: 3: Hoare triple {3004#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {3004#true} is VALID [2020-07-08 22:20:17,204 INFO L280 TraceCheckUtils]: 4: Hoare triple {3004#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {3004#true} is VALID [2020-07-08 22:20:17,204 INFO L280 TraceCheckUtils]: 5: Hoare triple {3004#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {3004#true} is VALID [2020-07-08 22:20:17,204 INFO L280 TraceCheckUtils]: 6: Hoare triple {3004#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {3004#true} is VALID [2020-07-08 22:20:17,204 INFO L280 TraceCheckUtils]: 7: Hoare triple {3004#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {3004#true} is VALID [2020-07-08 22:20:17,204 INFO L280 TraceCheckUtils]: 8: Hoare triple {3004#true} #res := 0; {3004#true} is VALID [2020-07-08 22:20:17,204 INFO L280 TraceCheckUtils]: 9: Hoare triple {3004#true} assume true; {3004#true} is VALID [2020-07-08 22:20:17,205 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {3004#true} {3004#true} #126#return; {3004#true} is VALID [2020-07-08 22:20:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:17,219 INFO L280 TraceCheckUtils]: 0: Hoare triple {3090#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3004#true} is VALID [2020-07-08 22:20:17,219 INFO L280 TraceCheckUtils]: 1: Hoare triple {3004#true} ~k := #in~k; {3004#true} is VALID [2020-07-08 22:20:17,219 INFO L280 TraceCheckUtils]: 2: Hoare triple {3004#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {3004#true} is VALID [2020-07-08 22:20:17,220 INFO L280 TraceCheckUtils]: 3: Hoare triple {3004#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {3004#true} is VALID [2020-07-08 22:20:17,220 INFO L280 TraceCheckUtils]: 4: Hoare triple {3004#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {3004#true} is VALID [2020-07-08 22:20:17,220 INFO L280 TraceCheckUtils]: 5: Hoare triple {3004#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {3004#true} is VALID [2020-07-08 22:20:17,220 INFO L280 TraceCheckUtils]: 6: Hoare triple {3004#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {3004#true} is VALID [2020-07-08 22:20:17,220 INFO L280 TraceCheckUtils]: 7: Hoare triple {3004#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {3004#true} is VALID [2020-07-08 22:20:17,220 INFO L280 TraceCheckUtils]: 8: Hoare triple {3004#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {3004#true} is VALID [2020-07-08 22:20:17,221 INFO L280 TraceCheckUtils]: 9: Hoare triple {3004#true} #res := 0; {3004#true} is VALID [2020-07-08 22:20:17,221 INFO L280 TraceCheckUtils]: 10: Hoare triple {3004#true} assume true; {3004#true} is VALID [2020-07-08 22:20:17,221 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {3004#true} {3004#true} #128#return; {3004#true} is VALID [2020-07-08 22:20:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:17,383 INFO L280 TraceCheckUtils]: 0: Hoare triple {3090#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3004#true} is VALID [2020-07-08 22:20:17,384 INFO L280 TraceCheckUtils]: 1: Hoare triple {3004#true} ~k := #in~k; {3091#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 22:20:17,385 INFO L280 TraceCheckUtils]: 2: Hoare triple {3091#(= |insert_list_#in~k| insert_list_~k)} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {3092#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= |insert_list_#in~k| insert_list_~k))} is VALID [2020-07-08 22:20:17,386 INFO L280 TraceCheckUtils]: 3: Hoare triple {3092#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= |insert_list_#in~k| insert_list_~k))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {3093#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k))} is VALID [2020-07-08 22:20:17,387 INFO L280 TraceCheckUtils]: 4: Hoare triple {3093#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {3093#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k))} is VALID [2020-07-08 22:20:17,388 INFO L280 TraceCheckUtils]: 5: Hoare triple {3093#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {3093#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k))} is VALID [2020-07-08 22:20:17,389 INFO L280 TraceCheckUtils]: 6: Hoare triple {3093#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {3094#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset)))} is VALID [2020-07-08 22:20:17,391 INFO L280 TraceCheckUtils]: 7: Hoare triple {3094#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {3094#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset)))} is VALID [2020-07-08 22:20:17,392 INFO L280 TraceCheckUtils]: 8: Hoare triple {3094#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset)))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {3095#(and (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:17,393 INFO L280 TraceCheckUtils]: 9: Hoare triple {3095#(and (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 1 (select |#valid| ~head~0.base)))} #res := 0; {3095#(and (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:17,393 INFO L280 TraceCheckUtils]: 10: Hoare triple {3095#(and (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 1 (select |#valid| ~head~0.base)))} assume true; {3095#(and (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:17,395 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {3095#(and (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 1 (select |#valid| ~head~0.base)))} {3004#true} #130#return; {3047#(and (= 1 (select |#valid| ~head~0.base)) (= 1 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 22:20:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:17,960 INFO L280 TraceCheckUtils]: 0: Hoare triple {3090#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3096#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base))} is VALID [2020-07-08 22:20:17,961 INFO L280 TraceCheckUtils]: 1: Hoare triple {3096#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base))} ~k := #in~k; {3096#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base))} is VALID [2020-07-08 22:20:17,962 INFO L280 TraceCheckUtils]: 2: Hoare triple {3096#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base))} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {3097#(and (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (<= 0 |insert_list_#t~malloc5.offset|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (<= |insert_list_#t~malloc5.offset| 0))} is VALID [2020-07-08 22:20:17,963 INFO L280 TraceCheckUtils]: 3: Hoare triple {3097#(and (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (<= 0 |insert_list_#t~malloc5.offset|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (<= |insert_list_#t~malloc5.offset| 0))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {3098#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:17,965 INFO L280 TraceCheckUtils]: 4: Hoare triple {3098#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {3099#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:17,966 INFO L280 TraceCheckUtils]: 5: Hoare triple {3099#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {3099#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:17,967 INFO L280 TraceCheckUtils]: 6: Hoare triple {3099#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {3099#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:17,969 INFO L280 TraceCheckUtils]: 7: Hoare triple {3099#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {3100#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) 4) |old(~head~0.offset)|) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:17,970 INFO L280 TraceCheckUtils]: 8: Hoare triple {3100#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) 4) |old(~head~0.offset)|) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {3101#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} is VALID [2020-07-08 22:20:17,988 INFO L280 TraceCheckUtils]: 9: Hoare triple {3101#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} #res := 0; {3101#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} is VALID [2020-07-08 22:20:17,989 INFO L280 TraceCheckUtils]: 10: Hoare triple {3101#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} assume true; {3101#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} is VALID [2020-07-08 22:20:17,992 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {3101#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} {3047#(and (= 1 (select |#valid| ~head~0.base)) (= 1 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} #132#return; {3060#(and (= 0 ~head~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))))} is VALID [2020-07-08 22:20:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:18,289 INFO L280 TraceCheckUtils]: 0: Hoare triple {3004#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3004#true} is VALID [2020-07-08 22:20:18,289 INFO L280 TraceCheckUtils]: 1: Hoare triple {3004#true} ~k := #in~k; {3004#true} is VALID [2020-07-08 22:20:18,294 INFO L280 TraceCheckUtils]: 2: Hoare triple {3004#true} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {3102#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= ~head~0.offset search_list_~l.offset)))} is VALID [2020-07-08 22:20:18,295 INFO L280 TraceCheckUtils]: 3: Hoare triple {3102#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= ~head~0.offset search_list_~l.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:18,302 INFO L280 TraceCheckUtils]: 4: Hoare triple {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume #t~short3; {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:18,303 INFO L280 TraceCheckUtils]: 5: Hoare triple {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:18,304 INFO L280 TraceCheckUtils]: 6: Hoare triple {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} #t~short3 := #t~mem2 != ~k; {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:18,305 INFO L280 TraceCheckUtils]: 7: Hoare triple {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume !!#t~short3; {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:18,305 INFO L280 TraceCheckUtils]: 8: Hoare triple {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} havoc #t~short3; {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:18,306 INFO L280 TraceCheckUtils]: 9: Hoare triple {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} havoc #t~mem2; {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:18,307 INFO L280 TraceCheckUtils]: 10: Hoare triple {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~l.base, 4 + ~l.offset, 4); srcloc: L526 {3104#(or (and (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,308 INFO L280 TraceCheckUtils]: 11: Hoare triple {3104#(or (and (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} ~l.base, ~l.offset := #t~mem4.base, #t~mem4.offset; {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,309 INFO L280 TraceCheckUtils]: 12: Hoare triple {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} havoc #t~mem4.base, #t~mem4.offset; {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,309 INFO L280 TraceCheckUtils]: 13: Hoare triple {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,310 INFO L280 TraceCheckUtils]: 14: Hoare triple {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} assume #t~short3; {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,311 INFO L280 TraceCheckUtils]: 15: Hoare triple {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,313 INFO L280 TraceCheckUtils]: 16: Hoare triple {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} #t~short3 := #t~mem2 != ~k; {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,313 INFO L280 TraceCheckUtils]: 17: Hoare triple {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} assume !#t~short3; {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,314 INFO L280 TraceCheckUtils]: 18: Hoare triple {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} havoc #t~short3; {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,315 INFO L280 TraceCheckUtils]: 19: Hoare triple {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} havoc #t~mem2; {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,316 INFO L280 TraceCheckUtils]: 20: Hoare triple {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} #res.base, #res.offset := ~l.base, ~l.offset; {3106#(or (and (= |search_list_#res.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#res.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,317 INFO L280 TraceCheckUtils]: 21: Hoare triple {3106#(or (and (= |search_list_#res.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#res.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} assume true; {3106#(or (and (= |search_list_#res.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#res.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,319 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3106#(or (and (= |search_list_#res.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#res.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} {3060#(and (= 0 ~head~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))))} #134#return; {3084#(= (select (select |#memory_int| |main_#t~ret10.base|) |main_#t~ret10.offset|) 1)} is VALID [2020-07-08 22:20:18,323 INFO L263 TraceCheckUtils]: 0: Hoare triple {3004#true} call ULTIMATE.init(); {3089#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:20:18,324 INFO L280 TraceCheckUtils]: 1: Hoare triple {3089#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3004#true} is VALID [2020-07-08 22:20:18,324 INFO L280 TraceCheckUtils]: 2: Hoare triple {3004#true} #valid := #valid[0 := 0]; {3004#true} is VALID [2020-07-08 22:20:18,324 INFO L280 TraceCheckUtils]: 3: Hoare triple {3004#true} assume 0 < #StackHeapBarrier; {3004#true} is VALID [2020-07-08 22:20:18,324 INFO L280 TraceCheckUtils]: 4: Hoare triple {3004#true} ~head~0.base, ~head~0.offset := 0, 0; {3004#true} is VALID [2020-07-08 22:20:18,324 INFO L280 TraceCheckUtils]: 5: Hoare triple {3004#true} assume true; {3004#true} is VALID [2020-07-08 22:20:18,325 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {3004#true} {3004#true} #138#return; {3004#true} is VALID [2020-07-08 22:20:18,325 INFO L263 TraceCheckUtils]: 7: Hoare triple {3004#true} call #t~ret13 := main(); {3004#true} is VALID [2020-07-08 22:20:18,325 INFO L280 TraceCheckUtils]: 8: Hoare triple {3004#true} havoc ~i~0; {3004#true} is VALID [2020-07-08 22:20:18,325 INFO L280 TraceCheckUtils]: 9: Hoare triple {3004#true} havoc ~mylist~0.base, ~mylist~0.offset; {3004#true} is VALID [2020-07-08 22:20:18,325 INFO L280 TraceCheckUtils]: 10: Hoare triple {3004#true} havoc ~temp~0.base, ~temp~0.offset; {3004#true} is VALID [2020-07-08 22:20:18,327 INFO L263 TraceCheckUtils]: 11: Hoare triple {3004#true} call #t~ret6 := insert_list(~mylist~0.base, ~mylist~0.offset, 2); {3090#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:18,327 INFO L280 TraceCheckUtils]: 12: Hoare triple {3090#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3004#true} is VALID [2020-07-08 22:20:18,327 INFO L280 TraceCheckUtils]: 13: Hoare triple {3004#true} ~k := #in~k; {3004#true} is VALID [2020-07-08 22:20:18,327 INFO L280 TraceCheckUtils]: 14: Hoare triple {3004#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {3004#true} is VALID [2020-07-08 22:20:18,328 INFO L280 TraceCheckUtils]: 15: Hoare triple {3004#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {3004#true} is VALID [2020-07-08 22:20:18,328 INFO L280 TraceCheckUtils]: 16: Hoare triple {3004#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {3004#true} is VALID [2020-07-08 22:20:18,328 INFO L280 TraceCheckUtils]: 17: Hoare triple {3004#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {3004#true} is VALID [2020-07-08 22:20:18,328 INFO L280 TraceCheckUtils]: 18: Hoare triple {3004#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {3004#true} is VALID [2020-07-08 22:20:18,328 INFO L280 TraceCheckUtils]: 19: Hoare triple {3004#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {3004#true} is VALID [2020-07-08 22:20:18,329 INFO L280 TraceCheckUtils]: 20: Hoare triple {3004#true} #res := 0; {3004#true} is VALID [2020-07-08 22:20:18,329 INFO L280 TraceCheckUtils]: 21: Hoare triple {3004#true} assume true; {3004#true} is VALID [2020-07-08 22:20:18,329 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3004#true} {3004#true} #126#return; {3004#true} is VALID [2020-07-08 22:20:18,329 INFO L280 TraceCheckUtils]: 23: Hoare triple {3004#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {3004#true} is VALID [2020-07-08 22:20:18,329 INFO L280 TraceCheckUtils]: 24: Hoare triple {3004#true} havoc #t~ret6; {3004#true} is VALID [2020-07-08 22:20:18,331 INFO L263 TraceCheckUtils]: 25: Hoare triple {3004#true} call #t~ret7 := insert_list(~mylist~0.base, ~mylist~0.offset, 5); {3090#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:18,332 INFO L280 TraceCheckUtils]: 26: Hoare triple {3090#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3004#true} is VALID [2020-07-08 22:20:18,332 INFO L280 TraceCheckUtils]: 27: Hoare triple {3004#true} ~k := #in~k; {3004#true} is VALID [2020-07-08 22:20:18,332 INFO L280 TraceCheckUtils]: 28: Hoare triple {3004#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {3004#true} is VALID [2020-07-08 22:20:18,332 INFO L280 TraceCheckUtils]: 29: Hoare triple {3004#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {3004#true} is VALID [2020-07-08 22:20:18,333 INFO L280 TraceCheckUtils]: 30: Hoare triple {3004#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {3004#true} is VALID [2020-07-08 22:20:18,333 INFO L280 TraceCheckUtils]: 31: Hoare triple {3004#true} assume !(~head~0.base == 0 && ~head~0.offset == 0); {3004#true} is VALID [2020-07-08 22:20:18,333 INFO L280 TraceCheckUtils]: 32: Hoare triple {3004#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {3004#true} is VALID [2020-07-08 22:20:18,333 INFO L280 TraceCheckUtils]: 33: Hoare triple {3004#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {3004#true} is VALID [2020-07-08 22:20:18,334 INFO L280 TraceCheckUtils]: 34: Hoare triple {3004#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {3004#true} is VALID [2020-07-08 22:20:18,334 INFO L280 TraceCheckUtils]: 35: Hoare triple {3004#true} #res := 0; {3004#true} is VALID [2020-07-08 22:20:18,334 INFO L280 TraceCheckUtils]: 36: Hoare triple {3004#true} assume true; {3004#true} is VALID [2020-07-08 22:20:18,334 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {3004#true} {3004#true} #128#return; {3004#true} is VALID [2020-07-08 22:20:18,334 INFO L280 TraceCheckUtils]: 38: Hoare triple {3004#true} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; {3004#true} is VALID [2020-07-08 22:20:18,335 INFO L280 TraceCheckUtils]: 39: Hoare triple {3004#true} havoc #t~ret7; {3004#true} is VALID [2020-07-08 22:20:18,336 INFO L263 TraceCheckUtils]: 40: Hoare triple {3004#true} call #t~ret8 := insert_list(~mylist~0.base, ~mylist~0.offset, 1); {3090#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:18,337 INFO L280 TraceCheckUtils]: 41: Hoare triple {3090#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3004#true} is VALID [2020-07-08 22:20:18,338 INFO L280 TraceCheckUtils]: 42: Hoare triple {3004#true} ~k := #in~k; {3091#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 22:20:18,339 INFO L280 TraceCheckUtils]: 43: Hoare triple {3091#(= |insert_list_#in~k| insert_list_~k)} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {3092#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= |insert_list_#in~k| insert_list_~k))} is VALID [2020-07-08 22:20:18,340 INFO L280 TraceCheckUtils]: 44: Hoare triple {3092#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= |insert_list_#in~k| insert_list_~k))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {3093#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k))} is VALID [2020-07-08 22:20:18,342 INFO L280 TraceCheckUtils]: 45: Hoare triple {3093#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {3093#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k))} is VALID [2020-07-08 22:20:18,342 INFO L280 TraceCheckUtils]: 46: Hoare triple {3093#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {3093#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k))} is VALID [2020-07-08 22:20:18,344 INFO L280 TraceCheckUtils]: 47: Hoare triple {3093#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {3094#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset)))} is VALID [2020-07-08 22:20:18,345 INFO L280 TraceCheckUtils]: 48: Hoare triple {3094#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {3094#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset)))} is VALID [2020-07-08 22:20:18,346 INFO L280 TraceCheckUtils]: 49: Hoare triple {3094#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset)))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {3095#(and (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:18,347 INFO L280 TraceCheckUtils]: 50: Hoare triple {3095#(and (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 1 (select |#valid| ~head~0.base)))} #res := 0; {3095#(and (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:18,348 INFO L280 TraceCheckUtils]: 51: Hoare triple {3095#(and (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 1 (select |#valid| ~head~0.base)))} assume true; {3095#(and (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:18,350 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3095#(and (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) ~head~0.offset)) (= 1 (select |#valid| ~head~0.base)))} {3004#true} #130#return; {3047#(and (= 1 (select |#valid| ~head~0.base)) (= 1 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 22:20:18,351 INFO L280 TraceCheckUtils]: 53: Hoare triple {3047#(and (= 1 (select |#valid| ~head~0.base)) (= 1 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {3047#(and (= 1 (select |#valid| ~head~0.base)) (= 1 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 22:20:18,351 INFO L280 TraceCheckUtils]: 54: Hoare triple {3047#(and (= 1 (select |#valid| ~head~0.base)) (= 1 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} havoc #t~ret8; {3047#(and (= 1 (select |#valid| ~head~0.base)) (= 1 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} is VALID [2020-07-08 22:20:18,353 INFO L263 TraceCheckUtils]: 55: Hoare triple {3047#(and (= 1 (select |#valid| ~head~0.base)) (= 1 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} call #t~ret9 := insert_list(~mylist~0.base, ~mylist~0.offset, 3); {3090#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:18,354 INFO L280 TraceCheckUtils]: 56: Hoare triple {3090#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3096#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base))} is VALID [2020-07-08 22:20:18,355 INFO L280 TraceCheckUtils]: 57: Hoare triple {3096#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base))} ~k := #in~k; {3096#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base))} is VALID [2020-07-08 22:20:18,356 INFO L280 TraceCheckUtils]: 58: Hoare triple {3096#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base))} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {3097#(and (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (<= 0 |insert_list_#t~malloc5.offset|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (<= |insert_list_#t~malloc5.offset| 0))} is VALID [2020-07-08 22:20:18,357 INFO L280 TraceCheckUtils]: 59: Hoare triple {3097#(and (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (<= 0 |insert_list_#t~malloc5.offset|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (<= |insert_list_#t~malloc5.offset| 0))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {3098#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:18,359 INFO L280 TraceCheckUtils]: 60: Hoare triple {3098#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {3099#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:18,360 INFO L280 TraceCheckUtils]: 61: Hoare triple {3099#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {3099#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:18,362 INFO L280 TraceCheckUtils]: 62: Hoare triple {3099#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {3099#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:18,363 INFO L280 TraceCheckUtils]: 63: Hoare triple {3099#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {3100#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) 4) |old(~head~0.offset)|) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:18,365 INFO L280 TraceCheckUtils]: 64: Hoare triple {3100#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) 4) |old(~head~0.offset)|) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {3101#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} is VALID [2020-07-08 22:20:18,366 INFO L280 TraceCheckUtils]: 65: Hoare triple {3101#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} #res := 0; {3101#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} is VALID [2020-07-08 22:20:18,368 INFO L280 TraceCheckUtils]: 66: Hoare triple {3101#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} assume true; {3101#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} is VALID [2020-07-08 22:20:18,375 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {3101#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} {3047#(and (= 1 (select |#valid| ~head~0.base)) (= 1 (select (select |#memory_int| ~head~0.base) ~head~0.offset)))} #132#return; {3060#(and (= 0 ~head~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))))} is VALID [2020-07-08 22:20:18,376 INFO L280 TraceCheckUtils]: 68: Hoare triple {3060#(and (= 0 ~head~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))))} assume -2147483648 <= #t~ret9 && #t~ret9 <= 2147483647; {3060#(and (= 0 ~head~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))))} is VALID [2020-07-08 22:20:18,377 INFO L280 TraceCheckUtils]: 69: Hoare triple {3060#(and (= 0 ~head~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))))} havoc #t~ret9; {3060#(and (= 0 ~head~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))))} is VALID [2020-07-08 22:20:18,377 INFO L263 TraceCheckUtils]: 70: Hoare triple {3060#(and (= 0 ~head~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))))} call #t~ret10.base, #t~ret10.offset := search_list(~head~0.base, ~head~0.offset, 2); {3004#true} is VALID [2020-07-08 22:20:18,378 INFO L280 TraceCheckUtils]: 71: Hoare triple {3004#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3004#true} is VALID [2020-07-08 22:20:18,378 INFO L280 TraceCheckUtils]: 72: Hoare triple {3004#true} ~k := #in~k; {3004#true} is VALID [2020-07-08 22:20:18,379 INFO L280 TraceCheckUtils]: 73: Hoare triple {3004#true} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {3102#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= ~head~0.offset search_list_~l.offset)))} is VALID [2020-07-08 22:20:18,380 INFO L280 TraceCheckUtils]: 74: Hoare triple {3102#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= ~head~0.offset search_list_~l.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:18,380 INFO L280 TraceCheckUtils]: 75: Hoare triple {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume #t~short3; {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:18,381 INFO L280 TraceCheckUtils]: 76: Hoare triple {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:18,382 INFO L280 TraceCheckUtils]: 77: Hoare triple {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} #t~short3 := #t~mem2 != ~k; {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:18,383 INFO L280 TraceCheckUtils]: 78: Hoare triple {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume !!#t~short3; {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:18,383 INFO L280 TraceCheckUtils]: 79: Hoare triple {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} havoc #t~short3; {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:18,384 INFO L280 TraceCheckUtils]: 80: Hoare triple {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} havoc #t~mem2; {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:18,385 INFO L280 TraceCheckUtils]: 81: Hoare triple {3103#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~l.base, 4 + ~l.offset, 4); srcloc: L526 {3104#(or (and (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,386 INFO L280 TraceCheckUtils]: 82: Hoare triple {3104#(or (and (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} ~l.base, ~l.offset := #t~mem4.base, #t~mem4.offset; {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,387 INFO L280 TraceCheckUtils]: 83: Hoare triple {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} havoc #t~mem4.base, #t~mem4.offset; {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,387 INFO L280 TraceCheckUtils]: 84: Hoare triple {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,388 INFO L280 TraceCheckUtils]: 85: Hoare triple {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} assume #t~short3; {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,388 INFO L280 TraceCheckUtils]: 86: Hoare triple {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,389 INFO L280 TraceCheckUtils]: 87: Hoare triple {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} #t~short3 := #t~mem2 != ~k; {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,390 INFO L280 TraceCheckUtils]: 88: Hoare triple {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} assume !#t~short3; {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,390 INFO L280 TraceCheckUtils]: 89: Hoare triple {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} havoc #t~short3; {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,411 INFO L280 TraceCheckUtils]: 90: Hoare triple {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} havoc #t~mem2; {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,414 INFO L280 TraceCheckUtils]: 91: Hoare triple {3105#(or (and (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} #res.base, #res.offset := ~l.base, ~l.offset; {3106#(or (and (= |search_list_#res.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#res.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,414 INFO L280 TraceCheckUtils]: 92: Hoare triple {3106#(or (and (= |search_list_#res.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#res.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} assume true; {3106#(or (and (= |search_list_#res.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#res.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:18,416 INFO L275 TraceCheckUtils]: 93: Hoare quadruple {3106#(or (and (= |search_list_#res.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#res.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} {3060#(and (= 0 ~head~0.offset) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))))} #134#return; {3084#(= (select (select |#memory_int| |main_#t~ret10.base|) |main_#t~ret10.offset|) 1)} is VALID [2020-07-08 22:20:18,416 INFO L280 TraceCheckUtils]: 94: Hoare triple {3084#(= (select (select |#memory_int| |main_#t~ret10.base|) |main_#t~ret10.offset|) 1)} ~temp~0.base, ~temp~0.offset := #t~ret10.base, #t~ret10.offset; {3085#(= 1 (select (select |#memory_int| main_~temp~0.base) main_~temp~0.offset))} is VALID [2020-07-08 22:20:18,417 INFO L280 TraceCheckUtils]: 95: Hoare triple {3085#(= 1 (select (select |#memory_int| main_~temp~0.base) main_~temp~0.offset))} havoc #t~ret10.base, #t~ret10.offset; {3085#(= 1 (select (select |#memory_int| main_~temp~0.base) main_~temp~0.offset))} is VALID [2020-07-08 22:20:18,418 INFO L280 TraceCheckUtils]: 96: Hoare triple {3085#(= 1 (select (select |#memory_int| main_~temp~0.base) main_~temp~0.offset))} SUMMARY for call #t~mem11 := read~int(~temp~0.base, ~temp~0.offset, 4); srcloc: L550 {3086#(= |main_#t~mem11| 1)} is VALID [2020-07-08 22:20:18,419 INFO L263 TraceCheckUtils]: 97: Hoare triple {3086#(= |main_#t~mem11| 1)} call __VERIFIER_assert((if 1 == #t~mem11 then 1 else 0)); {3087#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-08 22:20:18,419 INFO L280 TraceCheckUtils]: 98: Hoare triple {3087#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {3088#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-08 22:20:18,420 INFO L280 TraceCheckUtils]: 99: Hoare triple {3088#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {3005#false} is VALID [2020-07-08 22:20:18,420 INFO L280 TraceCheckUtils]: 100: Hoare triple {3005#false} assume !false; {3005#false} is VALID [2020-07-08 22:20:18,449 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-08 22:20:18,449 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1057128877] [2020-07-08 22:20:18,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:20:18,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-07-08 22:20:18,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496966708] [2020-07-08 22:20:18,450 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 101 [2020-07-08 22:20:18,451 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:20:18,451 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 27 states. [2020-07-08 22:20:18,572 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:20:18,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-08 22:20:18,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:20:18,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-08 22:20:18,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2020-07-08 22:20:18,574 INFO L87 Difference]: Start difference. First operand 87 states and 91 transitions. Second operand 27 states. [2020-07-08 22:20:26,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:20:26,487 INFO L93 Difference]: Finished difference Result 119 states and 124 transitions. [2020-07-08 22:20:26,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-08 22:20:26,487 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 101 [2020-07-08 22:20:26,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:20:26,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-07-08 22:20:26,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 113 transitions. [2020-07-08 22:20:26,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-07-08 22:20:26,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 113 transitions. [2020-07-08 22:20:26,498 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 30 states and 113 transitions. [2020-07-08 22:20:26,713 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 113 edges. 113 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:20:26,716 INFO L225 Difference]: With dead ends: 119 [2020-07-08 22:20:26,716 INFO L226 Difference]: Without dead ends: 106 [2020-07-08 22:20:26,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=252, Invalid=2298, Unknown=0, NotChecked=0, Total=2550 [2020-07-08 22:20:26,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-07-08 22:20:27,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 90. [2020-07-08 22:20:27,245 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:20:27,246 INFO L82 GeneralOperation]: Start isEquivalent. First operand 106 states. Second operand 90 states. [2020-07-08 22:20:27,246 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 90 states. [2020-07-08 22:20:27,246 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 90 states. [2020-07-08 22:20:27,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:20:27,251 INFO L93 Difference]: Finished difference Result 106 states and 111 transitions. [2020-07-08 22:20:27,251 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2020-07-08 22:20:27,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:20:27,252 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:20:27,252 INFO L74 IsIncluded]: Start isIncluded. First operand 90 states. Second operand 106 states. [2020-07-08 22:20:27,252 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 106 states. [2020-07-08 22:20:27,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:20:27,256 INFO L93 Difference]: Finished difference Result 106 states and 111 transitions. [2020-07-08 22:20:27,256 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2020-07-08 22:20:27,257 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:20:27,257 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:20:27,257 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:20:27,257 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:20:27,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-07-08 22:20:27,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 94 transitions. [2020-07-08 22:20:27,261 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 94 transitions. Word has length 101 [2020-07-08 22:20:27,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:20:27,261 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 94 transitions. [2020-07-08 22:20:27,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-08 22:20:27,261 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 90 states and 94 transitions. [2020-07-08 22:20:27,510 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:20:27,510 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 94 transitions. [2020-07-08 22:20:27,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-08 22:20:27,512 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:20:27,512 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-07-08 22:20:27,512 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-08 22:20:27,512 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:20:27,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:20:27,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1667050223, now seen corresponding path program 2 times [2020-07-08 22:20:27,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:20:27,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1611793000] [2020-07-08 22:20:27,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:20:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:27,693 INFO L280 TraceCheckUtils]: 0: Hoare triple {3879#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3790#true} is VALID [2020-07-08 22:20:27,693 INFO L280 TraceCheckUtils]: 1: Hoare triple {3790#true} #valid := #valid[0 := 0]; {3790#true} is VALID [2020-07-08 22:20:27,693 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} assume 0 < #StackHeapBarrier; {3790#true} is VALID [2020-07-08 22:20:27,694 INFO L280 TraceCheckUtils]: 3: Hoare triple {3790#true} ~head~0.base, ~head~0.offset := 0, 0; {3790#true} is VALID [2020-07-08 22:20:27,694 INFO L280 TraceCheckUtils]: 4: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-08 22:20:27,694 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {3790#true} {3790#true} #138#return; {3790#true} is VALID [2020-07-08 22:20:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:27,728 INFO L280 TraceCheckUtils]: 0: Hoare triple {3880#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3790#true} is VALID [2020-07-08 22:20:27,729 INFO L280 TraceCheckUtils]: 1: Hoare triple {3790#true} ~k := #in~k; {3790#true} is VALID [2020-07-08 22:20:27,729 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {3790#true} is VALID [2020-07-08 22:20:27,729 INFO L280 TraceCheckUtils]: 3: Hoare triple {3790#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {3790#true} is VALID [2020-07-08 22:20:27,729 INFO L280 TraceCheckUtils]: 4: Hoare triple {3790#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {3790#true} is VALID [2020-07-08 22:20:27,729 INFO L280 TraceCheckUtils]: 5: Hoare triple {3790#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {3790#true} is VALID [2020-07-08 22:20:27,730 INFO L280 TraceCheckUtils]: 6: Hoare triple {3790#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {3790#true} is VALID [2020-07-08 22:20:27,730 INFO L280 TraceCheckUtils]: 7: Hoare triple {3790#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {3790#true} is VALID [2020-07-08 22:20:27,730 INFO L280 TraceCheckUtils]: 8: Hoare triple {3790#true} #res := 0; {3790#true} is VALID [2020-07-08 22:20:27,730 INFO L280 TraceCheckUtils]: 9: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-08 22:20:27,730 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {3790#true} {3790#true} #126#return; {3790#true} is VALID [2020-07-08 22:20:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:27,784 INFO L280 TraceCheckUtils]: 0: Hoare triple {3880#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3790#true} is VALID [2020-07-08 22:20:27,784 INFO L280 TraceCheckUtils]: 1: Hoare triple {3790#true} ~k := #in~k; {3790#true} is VALID [2020-07-08 22:20:27,786 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {3881#(not (= |insert_list_#t~malloc5.base| 0))} is VALID [2020-07-08 22:20:27,787 INFO L280 TraceCheckUtils]: 3: Hoare triple {3881#(not (= |insert_list_#t~malloc5.base| 0))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {3882#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:27,787 INFO L280 TraceCheckUtils]: 4: Hoare triple {3882#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {3882#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:27,788 INFO L280 TraceCheckUtils]: 5: Hoare triple {3882#(not (= 0 insert_list_~l.base))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {3882#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:27,789 INFO L280 TraceCheckUtils]: 6: Hoare triple {3882#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {3882#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:27,790 INFO L280 TraceCheckUtils]: 7: Hoare triple {3882#(not (= 0 insert_list_~l.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {3882#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:27,791 INFO L280 TraceCheckUtils]: 8: Hoare triple {3882#(not (= 0 insert_list_~l.base))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {3821#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:27,792 INFO L280 TraceCheckUtils]: 9: Hoare triple {3821#(not (= 0 ~head~0.base))} #res := 0; {3821#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:27,792 INFO L280 TraceCheckUtils]: 10: Hoare triple {3821#(not (= 0 ~head~0.base))} assume true; {3821#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:27,794 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {3821#(not (= 0 ~head~0.base))} {3790#true} #128#return; {3821#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:28,002 INFO L280 TraceCheckUtils]: 0: Hoare triple {3880#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3883#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:20:28,003 INFO L280 TraceCheckUtils]: 1: Hoare triple {3883#(= |old(~head~0.base)| ~head~0.base)} ~k := #in~k; {3883#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:20:28,005 INFO L280 TraceCheckUtils]: 2: Hoare triple {3883#(= |old(~head~0.base)| ~head~0.base)} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {3884#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= 0 |insert_list_#t~malloc5.offset|))} is VALID [2020-07-08 22:20:28,006 INFO L280 TraceCheckUtils]: 3: Hoare triple {3884#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= 0 |insert_list_#t~malloc5.offset|))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {3885#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:28,007 INFO L280 TraceCheckUtils]: 4: Hoare triple {3885#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {3885#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:28,009 INFO L280 TraceCheckUtils]: 5: Hoare triple {3885#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {3885#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:28,010 INFO L280 TraceCheckUtils]: 6: Hoare triple {3885#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {3885#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:28,012 INFO L280 TraceCheckUtils]: 7: Hoare triple {3885#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {3886#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) 4)) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:28,013 INFO L280 TraceCheckUtils]: 8: Hoare triple {3886#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) 4)) (= 0 insert_list_~l.offset))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {3887#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:28,014 INFO L280 TraceCheckUtils]: 9: Hoare triple {3887#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} #res := 0; {3887#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:28,016 INFO L280 TraceCheckUtils]: 10: Hoare triple {3887#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} assume true; {3887#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:28,018 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {3887#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} {3821#(not (= 0 ~head~0.base))} #130#return; {3834#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:28,445 INFO L280 TraceCheckUtils]: 0: Hoare triple {3880#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3888#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2020-07-08 22:20:28,446 INFO L280 TraceCheckUtils]: 1: Hoare triple {3888#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} ~k := #in~k; {3888#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2020-07-08 22:20:28,447 INFO L280 TraceCheckUtils]: 2: Hoare triple {3888#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {3889#(and (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |insert_list_#t~malloc5.offset|))} is VALID [2020-07-08 22:20:28,448 INFO L280 TraceCheckUtils]: 3: Hoare triple {3889#(and (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |insert_list_#t~malloc5.offset|))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {3890#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:28,449 INFO L280 TraceCheckUtils]: 4: Hoare triple {3890#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {3891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:28,451 INFO L280 TraceCheckUtils]: 5: Hoare triple {3891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {3891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:28,452 INFO L280 TraceCheckUtils]: 6: Hoare triple {3891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {3891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:28,454 INFO L280 TraceCheckUtils]: 7: Hoare triple {3891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {3892#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:28,455 INFO L280 TraceCheckUtils]: 8: Hoare triple {3892#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {3893#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} is VALID [2020-07-08 22:20:28,456 INFO L280 TraceCheckUtils]: 9: Hoare triple {3893#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} #res := 0; {3893#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} is VALID [2020-07-08 22:20:28,457 INFO L280 TraceCheckUtils]: 10: Hoare triple {3893#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} assume true; {3893#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} is VALID [2020-07-08 22:20:28,460 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {3893#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} {3834#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} #132#return; {3847#(and (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))} is VALID [2020-07-08 22:20:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:29,005 INFO L280 TraceCheckUtils]: 0: Hoare triple {3790#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3790#true} is VALID [2020-07-08 22:20:29,005 INFO L280 TraceCheckUtils]: 1: Hoare triple {3790#true} ~k := #in~k; {3790#true} is VALID [2020-07-08 22:20:29,006 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {3894#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= ~head~0.offset search_list_~l.offset)))} is VALID [2020-07-08 22:20:29,007 INFO L280 TraceCheckUtils]: 3: Hoare triple {3894#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= ~head~0.offset search_list_~l.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:29,007 INFO L280 TraceCheckUtils]: 4: Hoare triple {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume #t~short3; {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:29,008 INFO L280 TraceCheckUtils]: 5: Hoare triple {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:29,009 INFO L280 TraceCheckUtils]: 6: Hoare triple {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} #t~short3 := #t~mem2 != ~k; {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:29,010 INFO L280 TraceCheckUtils]: 7: Hoare triple {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume !!#t~short3; {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:29,010 INFO L280 TraceCheckUtils]: 8: Hoare triple {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} havoc #t~short3; {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:29,011 INFO L280 TraceCheckUtils]: 9: Hoare triple {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} havoc #t~mem2; {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:29,011 INFO L280 TraceCheckUtils]: 10: Hoare triple {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~l.base, 4 + ~l.offset, 4); srcloc: L526 {3896#(or (and (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,012 INFO L280 TraceCheckUtils]: 11: Hoare triple {3896#(or (and (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} ~l.base, ~l.offset := #t~mem4.base, #t~mem4.offset; {3897#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,013 INFO L280 TraceCheckUtils]: 12: Hoare triple {3897#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} havoc #t~mem4.base, #t~mem4.offset; {3897#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,014 INFO L280 TraceCheckUtils]: 13: Hoare triple {3897#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,014 INFO L280 TraceCheckUtils]: 14: Hoare triple {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} assume #t~short3; {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,015 INFO L280 TraceCheckUtils]: 15: Hoare triple {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,015 INFO L280 TraceCheckUtils]: 16: Hoare triple {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} #t~short3 := #t~mem2 != ~k; {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,016 INFO L280 TraceCheckUtils]: 17: Hoare triple {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} assume !!#t~short3; {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,016 INFO L280 TraceCheckUtils]: 18: Hoare triple {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} havoc #t~short3; {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,017 INFO L280 TraceCheckUtils]: 19: Hoare triple {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} havoc #t~mem2; {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,018 INFO L280 TraceCheckUtils]: 20: Hoare triple {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~l.base, 4 + ~l.offset, 4); srcloc: L526 {3899#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,018 INFO L280 TraceCheckUtils]: 21: Hoare triple {3899#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} ~l.base, ~l.offset := #t~mem4.base, #t~mem4.offset; {3900#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))} is VALID [2020-07-08 22:20:29,019 INFO L280 TraceCheckUtils]: 22: Hoare triple {3900#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))} havoc #t~mem4.base, #t~mem4.offset; {3900#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))} is VALID [2020-07-08 22:20:29,019 INFO L280 TraceCheckUtils]: 23: Hoare triple {3900#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {3901#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) |search_list_#t~short3| (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,020 INFO L280 TraceCheckUtils]: 24: Hoare triple {3901#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) |search_list_#t~short3| (not (= 0 ~head~0.offset)))} assume !#t~short3; {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,020 INFO L280 TraceCheckUtils]: 25: Hoare triple {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} assume !#t~short3; {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,021 INFO L280 TraceCheckUtils]: 26: Hoare triple {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} havoc #t~short3; {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,021 INFO L280 TraceCheckUtils]: 27: Hoare triple {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} havoc #t~mem2; {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,022 INFO L280 TraceCheckUtils]: 28: Hoare triple {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} #res.base, #res.offset := ~l.base, ~l.offset; {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,022 INFO L280 TraceCheckUtils]: 29: Hoare triple {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} assume true; {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,024 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} {3847#(and (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))} #134#return; {3791#false} is VALID [2020-07-08 22:20:29,030 INFO L263 TraceCheckUtils]: 0: Hoare triple {3790#true} call ULTIMATE.init(); {3879#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:20:29,030 INFO L280 TraceCheckUtils]: 1: Hoare triple {3879#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {3790#true} is VALID [2020-07-08 22:20:29,030 INFO L280 TraceCheckUtils]: 2: Hoare triple {3790#true} #valid := #valid[0 := 0]; {3790#true} is VALID [2020-07-08 22:20:29,030 INFO L280 TraceCheckUtils]: 3: Hoare triple {3790#true} assume 0 < #StackHeapBarrier; {3790#true} is VALID [2020-07-08 22:20:29,031 INFO L280 TraceCheckUtils]: 4: Hoare triple {3790#true} ~head~0.base, ~head~0.offset := 0, 0; {3790#true} is VALID [2020-07-08 22:20:29,031 INFO L280 TraceCheckUtils]: 5: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-08 22:20:29,031 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {3790#true} {3790#true} #138#return; {3790#true} is VALID [2020-07-08 22:20:29,031 INFO L263 TraceCheckUtils]: 7: Hoare triple {3790#true} call #t~ret13 := main(); {3790#true} is VALID [2020-07-08 22:20:29,031 INFO L280 TraceCheckUtils]: 8: Hoare triple {3790#true} havoc ~i~0; {3790#true} is VALID [2020-07-08 22:20:29,032 INFO L280 TraceCheckUtils]: 9: Hoare triple {3790#true} havoc ~mylist~0.base, ~mylist~0.offset; {3790#true} is VALID [2020-07-08 22:20:29,032 INFO L280 TraceCheckUtils]: 10: Hoare triple {3790#true} havoc ~temp~0.base, ~temp~0.offset; {3790#true} is VALID [2020-07-08 22:20:29,038 INFO L263 TraceCheckUtils]: 11: Hoare triple {3790#true} call #t~ret6 := insert_list(~mylist~0.base, ~mylist~0.offset, 2); {3880#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:29,039 INFO L280 TraceCheckUtils]: 12: Hoare triple {3880#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3790#true} is VALID [2020-07-08 22:20:29,039 INFO L280 TraceCheckUtils]: 13: Hoare triple {3790#true} ~k := #in~k; {3790#true} is VALID [2020-07-08 22:20:29,039 INFO L280 TraceCheckUtils]: 14: Hoare triple {3790#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {3790#true} is VALID [2020-07-08 22:20:29,039 INFO L280 TraceCheckUtils]: 15: Hoare triple {3790#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {3790#true} is VALID [2020-07-08 22:20:29,039 INFO L280 TraceCheckUtils]: 16: Hoare triple {3790#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {3790#true} is VALID [2020-07-08 22:20:29,040 INFO L280 TraceCheckUtils]: 17: Hoare triple {3790#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {3790#true} is VALID [2020-07-08 22:20:29,040 INFO L280 TraceCheckUtils]: 18: Hoare triple {3790#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {3790#true} is VALID [2020-07-08 22:20:29,040 INFO L280 TraceCheckUtils]: 19: Hoare triple {3790#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {3790#true} is VALID [2020-07-08 22:20:29,040 INFO L280 TraceCheckUtils]: 20: Hoare triple {3790#true} #res := 0; {3790#true} is VALID [2020-07-08 22:20:29,040 INFO L280 TraceCheckUtils]: 21: Hoare triple {3790#true} assume true; {3790#true} is VALID [2020-07-08 22:20:29,041 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {3790#true} {3790#true} #126#return; {3790#true} is VALID [2020-07-08 22:20:29,041 INFO L280 TraceCheckUtils]: 23: Hoare triple {3790#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {3790#true} is VALID [2020-07-08 22:20:29,041 INFO L280 TraceCheckUtils]: 24: Hoare triple {3790#true} havoc #t~ret6; {3790#true} is VALID [2020-07-08 22:20:29,044 INFO L263 TraceCheckUtils]: 25: Hoare triple {3790#true} call #t~ret7 := insert_list(~mylist~0.base, ~mylist~0.offset, 5); {3880#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:29,045 INFO L280 TraceCheckUtils]: 26: Hoare triple {3880#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3790#true} is VALID [2020-07-08 22:20:29,045 INFO L280 TraceCheckUtils]: 27: Hoare triple {3790#true} ~k := #in~k; {3790#true} is VALID [2020-07-08 22:20:29,050 INFO L280 TraceCheckUtils]: 28: Hoare triple {3790#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {3881#(not (= |insert_list_#t~malloc5.base| 0))} is VALID [2020-07-08 22:20:29,051 INFO L280 TraceCheckUtils]: 29: Hoare triple {3881#(not (= |insert_list_#t~malloc5.base| 0))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {3882#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:29,051 INFO L280 TraceCheckUtils]: 30: Hoare triple {3882#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {3882#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:29,052 INFO L280 TraceCheckUtils]: 31: Hoare triple {3882#(not (= 0 insert_list_~l.base))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {3882#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:29,052 INFO L280 TraceCheckUtils]: 32: Hoare triple {3882#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {3882#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:29,052 INFO L280 TraceCheckUtils]: 33: Hoare triple {3882#(not (= 0 insert_list_~l.base))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {3882#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:20:29,053 INFO L280 TraceCheckUtils]: 34: Hoare triple {3882#(not (= 0 insert_list_~l.base))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {3821#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:29,053 INFO L280 TraceCheckUtils]: 35: Hoare triple {3821#(not (= 0 ~head~0.base))} #res := 0; {3821#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:29,053 INFO L280 TraceCheckUtils]: 36: Hoare triple {3821#(not (= 0 ~head~0.base))} assume true; {3821#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:29,054 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {3821#(not (= 0 ~head~0.base))} {3790#true} #128#return; {3821#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:29,055 INFO L280 TraceCheckUtils]: 38: Hoare triple {3821#(not (= 0 ~head~0.base))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; {3821#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:29,055 INFO L280 TraceCheckUtils]: 39: Hoare triple {3821#(not (= 0 ~head~0.base))} havoc #t~ret7; {3821#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:20:29,056 INFO L263 TraceCheckUtils]: 40: Hoare triple {3821#(not (= 0 ~head~0.base))} call #t~ret8 := insert_list(~mylist~0.base, ~mylist~0.offset, 1); {3880#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:29,057 INFO L280 TraceCheckUtils]: 41: Hoare triple {3880#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3883#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:20:29,057 INFO L280 TraceCheckUtils]: 42: Hoare triple {3883#(= |old(~head~0.base)| ~head~0.base)} ~k := #in~k; {3883#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:20:29,058 INFO L280 TraceCheckUtils]: 43: Hoare triple {3883#(= |old(~head~0.base)| ~head~0.base)} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {3884#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= 0 |insert_list_#t~malloc5.offset|))} is VALID [2020-07-08 22:20:29,059 INFO L280 TraceCheckUtils]: 44: Hoare triple {3884#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= 0 |insert_list_#t~malloc5.offset|))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {3885#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:29,061 INFO L280 TraceCheckUtils]: 45: Hoare triple {3885#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {3885#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:29,061 INFO L280 TraceCheckUtils]: 46: Hoare triple {3885#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {3885#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:29,063 INFO L280 TraceCheckUtils]: 47: Hoare triple {3885#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {3885#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:29,064 INFO L280 TraceCheckUtils]: 48: Hoare triple {3885#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {3886#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) 4)) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:29,065 INFO L280 TraceCheckUtils]: 49: Hoare triple {3886#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) 4)) (= 0 insert_list_~l.offset))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {3887#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:29,066 INFO L280 TraceCheckUtils]: 50: Hoare triple {3887#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} #res := 0; {3887#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:29,066 INFO L280 TraceCheckUtils]: 51: Hoare triple {3887#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} assume true; {3887#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:29,067 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3887#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} {3821#(not (= 0 ~head~0.base))} #130#return; {3834#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:29,068 INFO L280 TraceCheckUtils]: 53: Hoare triple {3834#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {3834#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:29,069 INFO L280 TraceCheckUtils]: 54: Hoare triple {3834#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} havoc #t~ret8; {3834#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:29,070 INFO L263 TraceCheckUtils]: 55: Hoare triple {3834#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} call #t~ret9 := insert_list(~mylist~0.base, ~mylist~0.offset, 3); {3880#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:29,070 INFO L280 TraceCheckUtils]: 56: Hoare triple {3880#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3888#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2020-07-08 22:20:29,071 INFO L280 TraceCheckUtils]: 57: Hoare triple {3888#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} ~k := #in~k; {3888#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2020-07-08 22:20:29,071 INFO L280 TraceCheckUtils]: 58: Hoare triple {3888#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {3889#(and (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |insert_list_#t~malloc5.offset|))} is VALID [2020-07-08 22:20:29,072 INFO L280 TraceCheckUtils]: 59: Hoare triple {3889#(and (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |insert_list_#t~malloc5.offset|))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {3890#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:29,073 INFO L280 TraceCheckUtils]: 60: Hoare triple {3890#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {3891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:29,073 INFO L280 TraceCheckUtils]: 61: Hoare triple {3891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {3891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:29,074 INFO L280 TraceCheckUtils]: 62: Hoare triple {3891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {3891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:29,075 INFO L280 TraceCheckUtils]: 63: Hoare triple {3891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {3892#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:29,076 INFO L280 TraceCheckUtils]: 64: Hoare triple {3892#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {3893#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} is VALID [2020-07-08 22:20:29,078 INFO L280 TraceCheckUtils]: 65: Hoare triple {3893#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} #res := 0; {3893#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} is VALID [2020-07-08 22:20:29,078 INFO L280 TraceCheckUtils]: 66: Hoare triple {3893#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} assume true; {3893#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} is VALID [2020-07-08 22:20:29,080 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {3893#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)))} {3834#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} #132#return; {3847#(and (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))} is VALID [2020-07-08 22:20:29,081 INFO L280 TraceCheckUtils]: 68: Hoare triple {3847#(and (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))} assume -2147483648 <= #t~ret9 && #t~ret9 <= 2147483647; {3847#(and (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))} is VALID [2020-07-08 22:20:29,082 INFO L280 TraceCheckUtils]: 69: Hoare triple {3847#(and (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))} havoc #t~ret9; {3847#(and (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))} is VALID [2020-07-08 22:20:29,082 INFO L263 TraceCheckUtils]: 70: Hoare triple {3847#(and (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))} call #t~ret10.base, #t~ret10.offset := search_list(~head~0.base, ~head~0.offset, 2); {3790#true} is VALID [2020-07-08 22:20:29,082 INFO L280 TraceCheckUtils]: 71: Hoare triple {3790#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {3790#true} is VALID [2020-07-08 22:20:29,082 INFO L280 TraceCheckUtils]: 72: Hoare triple {3790#true} ~k := #in~k; {3790#true} is VALID [2020-07-08 22:20:29,083 INFO L280 TraceCheckUtils]: 73: Hoare triple {3790#true} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {3894#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= ~head~0.offset search_list_~l.offset)))} is VALID [2020-07-08 22:20:29,084 INFO L280 TraceCheckUtils]: 74: Hoare triple {3894#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= ~head~0.offset search_list_~l.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:29,084 INFO L280 TraceCheckUtils]: 75: Hoare triple {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume #t~short3; {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:29,085 INFO L280 TraceCheckUtils]: 76: Hoare triple {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:29,085 INFO L280 TraceCheckUtils]: 77: Hoare triple {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} #t~short3 := #t~mem2 != ~k; {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:29,086 INFO L280 TraceCheckUtils]: 78: Hoare triple {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume !!#t~short3; {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:29,086 INFO L280 TraceCheckUtils]: 79: Hoare triple {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} havoc #t~short3; {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:29,087 INFO L280 TraceCheckUtils]: 80: Hoare triple {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} havoc #t~mem2; {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:29,088 INFO L280 TraceCheckUtils]: 81: Hoare triple {3895#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~l.base, 4 + ~l.offset, 4); srcloc: L526 {3896#(or (and (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,089 INFO L280 TraceCheckUtils]: 82: Hoare triple {3896#(or (and (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} ~l.base, ~l.offset := #t~mem4.base, #t~mem4.offset; {3897#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,090 INFO L280 TraceCheckUtils]: 83: Hoare triple {3897#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} havoc #t~mem4.base, #t~mem4.offset; {3897#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,091 INFO L280 TraceCheckUtils]: 84: Hoare triple {3897#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,092 INFO L280 TraceCheckUtils]: 85: Hoare triple {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} assume #t~short3; {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,092 INFO L280 TraceCheckUtils]: 86: Hoare triple {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,092 INFO L280 TraceCheckUtils]: 87: Hoare triple {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} #t~short3 := #t~mem2 != ~k; {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,093 INFO L280 TraceCheckUtils]: 88: Hoare triple {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} assume !!#t~short3; {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,093 INFO L280 TraceCheckUtils]: 89: Hoare triple {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} havoc #t~short3; {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,094 INFO L280 TraceCheckUtils]: 90: Hoare triple {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} havoc #t~mem2; {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,095 INFO L280 TraceCheckUtils]: 91: Hoare triple {3898#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~l.base, 4 + ~l.offset, 4); srcloc: L526 {3899#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,096 INFO L280 TraceCheckUtils]: 92: Hoare triple {3899#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} ~l.base, ~l.offset := #t~mem4.base, #t~mem4.offset; {3900#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))} is VALID [2020-07-08 22:20:29,096 INFO L280 TraceCheckUtils]: 93: Hoare triple {3900#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))} havoc #t~mem4.base, #t~mem4.offset; {3900#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))} is VALID [2020-07-08 22:20:29,097 INFO L280 TraceCheckUtils]: 94: Hoare triple {3900#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {3901#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) |search_list_#t~short3| (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,098 INFO L280 TraceCheckUtils]: 95: Hoare triple {3901#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) |search_list_#t~short3| (not (= 0 ~head~0.offset)))} assume !#t~short3; {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,099 INFO L280 TraceCheckUtils]: 96: Hoare triple {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} assume !#t~short3; {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,099 INFO L280 TraceCheckUtils]: 97: Hoare triple {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} havoc #t~short3; {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,100 INFO L280 TraceCheckUtils]: 98: Hoare triple {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} havoc #t~mem2; {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,101 INFO L280 TraceCheckUtils]: 99: Hoare triple {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} #res.base, #res.offset := ~l.base, ~l.offset; {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,101 INFO L280 TraceCheckUtils]: 100: Hoare triple {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} assume true; {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:29,102 INFO L275 TraceCheckUtils]: 101: Hoare quadruple {3902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 ~head~0.offset)))} {3847#(and (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))} #134#return; {3791#false} is VALID [2020-07-08 22:20:29,102 INFO L280 TraceCheckUtils]: 102: Hoare triple {3791#false} ~temp~0.base, ~temp~0.offset := #t~ret10.base, #t~ret10.offset; {3791#false} is VALID [2020-07-08 22:20:29,102 INFO L280 TraceCheckUtils]: 103: Hoare triple {3791#false} havoc #t~ret10.base, #t~ret10.offset; {3791#false} is VALID [2020-07-08 22:20:29,103 INFO L280 TraceCheckUtils]: 104: Hoare triple {3791#false} SUMMARY for call #t~mem11 := read~int(~temp~0.base, ~temp~0.offset, 4); srcloc: L550 {3791#false} is VALID [2020-07-08 22:20:29,103 INFO L263 TraceCheckUtils]: 105: Hoare triple {3791#false} call __VERIFIER_assert((if 1 == #t~mem11 then 1 else 0)); {3791#false} is VALID [2020-07-08 22:20:29,103 INFO L280 TraceCheckUtils]: 106: Hoare triple {3791#false} ~cond := #in~cond; {3791#false} is VALID [2020-07-08 22:20:29,103 INFO L280 TraceCheckUtils]: 107: Hoare triple {3791#false} assume 0 == ~cond; {3791#false} is VALID [2020-07-08 22:20:29,103 INFO L280 TraceCheckUtils]: 108: Hoare triple {3791#false} assume !false; {3791#false} is VALID [2020-07-08 22:20:29,136 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 31 proven. 43 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-08 22:20:29,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1611793000] [2020-07-08 22:20:29,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:20:29,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-07-08 22:20:29,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270609002] [2020-07-08 22:20:29,137 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 109 [2020-07-08 22:20:29,138 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:20:29,138 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states. [2020-07-08 22:20:29,297 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:20:29,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-07-08 22:20:29,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:20:29,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-07-08 22:20:29,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2020-07-08 22:20:29,299 INFO L87 Difference]: Start difference. First operand 90 states and 94 transitions. Second operand 29 states. [2020-07-08 22:20:38,972 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2020-07-08 22:20:39,423 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2020-07-08 22:20:42,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:20:42,904 INFO L93 Difference]: Finished difference Result 160 states and 167 transitions. [2020-07-08 22:20:42,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-07-08 22:20:42,904 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 109 [2020-07-08 22:20:42,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:20:42,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-08 22:20:42,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 167 transitions. [2020-07-08 22:20:42,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-08 22:20:42,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 167 transitions. [2020-07-08 22:20:42,913 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 43 states and 167 transitions. [2020-07-08 22:20:43,278 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:20:43,282 INFO L225 Difference]: With dead ends: 160 [2020-07-08 22:20:43,282 INFO L226 Difference]: Without dead ends: 137 [2020-07-08 22:20:43,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 752 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=604, Invalid=3818, Unknown=0, NotChecked=0, Total=4422 [2020-07-08 22:20:43,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-07-08 22:20:43,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 109. [2020-07-08 22:20:43,983 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:20:43,983 INFO L82 GeneralOperation]: Start isEquivalent. First operand 137 states. Second operand 109 states. [2020-07-08 22:20:43,983 INFO L74 IsIncluded]: Start isIncluded. First operand 137 states. Second operand 109 states. [2020-07-08 22:20:43,983 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 109 states. [2020-07-08 22:20:43,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:20:43,989 INFO L93 Difference]: Finished difference Result 137 states and 142 transitions. [2020-07-08 22:20:43,989 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 142 transitions. [2020-07-08 22:20:43,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:20:43,990 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:20:43,990 INFO L74 IsIncluded]: Start isIncluded. First operand 109 states. Second operand 137 states. [2020-07-08 22:20:43,990 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 137 states. [2020-07-08 22:20:43,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:20:43,995 INFO L93 Difference]: Finished difference Result 137 states and 142 transitions. [2020-07-08 22:20:43,995 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 142 transitions. [2020-07-08 22:20:43,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:20:43,996 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:20:43,996 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:20:43,996 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:20:43,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-07-08 22:20:44,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 112 transitions. [2020-07-08 22:20:44,000 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 112 transitions. Word has length 109 [2020-07-08 22:20:44,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:20:44,001 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 112 transitions. [2020-07-08 22:20:44,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-07-08 22:20:44,001 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 109 states and 112 transitions. [2020-07-08 22:20:44,344 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 112 edges. 112 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:20:44,344 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 112 transitions. [2020-07-08 22:20:44,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-08 22:20:44,345 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:20:44,345 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 22:20:44,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-08 22:20:44,346 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:20:44,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:20:44,346 INFO L82 PathProgramCache]: Analyzing trace with hash -936170188, now seen corresponding path program 2 times [2020-07-08 22:20:44,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:20:44,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [140710430] [2020-07-08 22:20:44,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:20:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:44,633 INFO L280 TraceCheckUtils]: 0: Hoare triple {4892#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {4801#true} is VALID [2020-07-08 22:20:44,633 INFO L280 TraceCheckUtils]: 1: Hoare triple {4801#true} #valid := #valid[0 := 0]; {4801#true} is VALID [2020-07-08 22:20:44,633 INFO L280 TraceCheckUtils]: 2: Hoare triple {4801#true} assume 0 < #StackHeapBarrier; {4801#true} is VALID [2020-07-08 22:20:44,633 INFO L280 TraceCheckUtils]: 3: Hoare triple {4801#true} ~head~0.base, ~head~0.offset := 0, 0; {4801#true} is VALID [2020-07-08 22:20:44,634 INFO L280 TraceCheckUtils]: 4: Hoare triple {4801#true} assume true; {4801#true} is VALID [2020-07-08 22:20:44,634 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4801#true} {4801#true} #138#return; {4801#true} is VALID [2020-07-08 22:20:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:44,664 INFO L280 TraceCheckUtils]: 0: Hoare triple {4893#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {4801#true} is VALID [2020-07-08 22:20:44,665 INFO L280 TraceCheckUtils]: 1: Hoare triple {4801#true} ~k := #in~k; {4801#true} is VALID [2020-07-08 22:20:44,665 INFO L280 TraceCheckUtils]: 2: Hoare triple {4801#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {4801#true} is VALID [2020-07-08 22:20:44,665 INFO L280 TraceCheckUtils]: 3: Hoare triple {4801#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {4801#true} is VALID [2020-07-08 22:20:44,665 INFO L280 TraceCheckUtils]: 4: Hoare triple {4801#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {4801#true} is VALID [2020-07-08 22:20:44,666 INFO L280 TraceCheckUtils]: 5: Hoare triple {4801#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {4801#true} is VALID [2020-07-08 22:20:44,666 INFO L280 TraceCheckUtils]: 6: Hoare triple {4801#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {4801#true} is VALID [2020-07-08 22:20:44,666 INFO L280 TraceCheckUtils]: 7: Hoare triple {4801#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {4801#true} is VALID [2020-07-08 22:20:44,666 INFO L280 TraceCheckUtils]: 8: Hoare triple {4801#true} #res := 0; {4801#true} is VALID [2020-07-08 22:20:44,666 INFO L280 TraceCheckUtils]: 9: Hoare triple {4801#true} assume true; {4801#true} is VALID [2020-07-08 22:20:44,667 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {4801#true} {4801#true} #126#return; {4801#true} is VALID [2020-07-08 22:20:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:44,830 INFO L280 TraceCheckUtils]: 0: Hoare triple {4893#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {4801#true} is VALID [2020-07-08 22:20:44,831 INFO L280 TraceCheckUtils]: 1: Hoare triple {4801#true} ~k := #in~k; {4894#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 22:20:44,832 INFO L280 TraceCheckUtils]: 2: Hoare triple {4894#(= |insert_list_#in~k| insert_list_~k)} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {4895#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= |insert_list_#in~k| insert_list_~k) (= 0 |insert_list_#t~malloc5.offset|))} is VALID [2020-07-08 22:20:44,833 INFO L280 TraceCheckUtils]: 3: Hoare triple {4895#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= |insert_list_#in~k| insert_list_~k) (= 0 |insert_list_#t~malloc5.offset|))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {4896#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:44,834 INFO L280 TraceCheckUtils]: 4: Hoare triple {4896#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k) (= 0 insert_list_~l.offset))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {4896#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:44,834 INFO L280 TraceCheckUtils]: 5: Hoare triple {4896#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k) (= 0 insert_list_~l.offset))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {4896#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:44,835 INFO L280 TraceCheckUtils]: 6: Hoare triple {4896#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k) (= 0 insert_list_~l.offset))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {4897#(and (= 1 (select |#valid| insert_list_~l.base)) (= 0 insert_list_~l.offset) (= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset)))} is VALID [2020-07-08 22:20:44,836 INFO L280 TraceCheckUtils]: 7: Hoare triple {4897#(and (= 1 (select |#valid| insert_list_~l.base)) (= 0 insert_list_~l.offset) (= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {4897#(and (= 1 (select |#valid| insert_list_~l.base)) (= 0 insert_list_~l.offset) (= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset)))} is VALID [2020-07-08 22:20:44,837 INFO L280 TraceCheckUtils]: 8: Hoare triple {4897#(and (= 1 (select |#valid| insert_list_~l.base)) (= 0 insert_list_~l.offset) (= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset)))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {4898#(and (or (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) 0)) (= 5 (select (select |#memory_int| ~head~0.base) 0))) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:44,837 INFO L280 TraceCheckUtils]: 9: Hoare triple {4898#(and (or (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) 0)) (= 5 (select (select |#memory_int| ~head~0.base) 0))) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} #res := 0; {4898#(and (or (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) 0)) (= 5 (select (select |#memory_int| ~head~0.base) 0))) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:44,848 INFO L280 TraceCheckUtils]: 10: Hoare triple {4898#(and (or (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) 0)) (= 5 (select (select |#memory_int| ~head~0.base) 0))) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} assume true; {4898#(and (or (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) 0)) (= 5 (select (select |#memory_int| ~head~0.base) 0))) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:44,850 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {4898#(and (or (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) 0)) (= 5 (select (select |#memory_int| ~head~0.base) 0))) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} {4801#true} #128#return; {4832#(and (= 0 ~head~0.offset) (<= 5 (select (select |#memory_int| ~head~0.base) 0)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:45,146 INFO L280 TraceCheckUtils]: 0: Hoare triple {4893#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {4899#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base))} is VALID [2020-07-08 22:20:45,147 INFO L280 TraceCheckUtils]: 1: Hoare triple {4899#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base))} ~k := #in~k; {4899#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base))} is VALID [2020-07-08 22:20:45,148 INFO L280 TraceCheckUtils]: 2: Hoare triple {4899#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base))} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {4900#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= 0 |insert_list_#t~malloc5.offset|))} is VALID [2020-07-08 22:20:45,149 INFO L280 TraceCheckUtils]: 3: Hoare triple {4900#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= 0 |insert_list_#t~malloc5.offset|))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {4901#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:45,151 INFO L280 TraceCheckUtils]: 4: Hoare triple {4901#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {4902#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:45,152 INFO L280 TraceCheckUtils]: 5: Hoare triple {4902#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {4902#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:45,153 INFO L280 TraceCheckUtils]: 6: Hoare triple {4902#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {4902#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:45,154 INFO L280 TraceCheckUtils]: 7: Hoare triple {4902#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {4903#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:45,156 INFO L280 TraceCheckUtils]: 8: Hoare triple {4903#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {4904#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (= 0 ~head~0.offset) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:45,157 INFO L280 TraceCheckUtils]: 9: Hoare triple {4904#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (= 0 ~head~0.offset) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (= 1 (select |#valid| ~head~0.base)))} #res := 0; {4904#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (= 0 ~head~0.offset) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:45,157 INFO L280 TraceCheckUtils]: 10: Hoare triple {4904#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (= 0 ~head~0.offset) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (= 1 (select |#valid| ~head~0.base)))} assume true; {4904#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (= 0 ~head~0.offset) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:45,159 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {4904#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (= 0 ~head~0.offset) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (= 1 (select |#valid| ~head~0.base)))} {4832#(and (= 0 ~head~0.offset) (<= 5 (select (select |#memory_int| ~head~0.base) 0)) (= 1 (select |#valid| ~head~0.base)))} #130#return; {4845#(and (<= 5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:45,578 INFO L280 TraceCheckUtils]: 0: Hoare triple {4893#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {4905#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:20:45,579 INFO L280 TraceCheckUtils]: 1: Hoare triple {4905#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~k := #in~k; {4905#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:20:45,580 INFO L280 TraceCheckUtils]: 2: Hoare triple {4905#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {4906#(and (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |insert_list_#t~malloc5.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:20:45,580 INFO L280 TraceCheckUtils]: 3: Hoare triple {4906#(and (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |insert_list_#t~malloc5.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {4907#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:45,581 INFO L280 TraceCheckUtils]: 4: Hoare triple {4907#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {4908#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:45,582 INFO L280 TraceCheckUtils]: 5: Hoare triple {4908#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {4908#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:45,584 INFO L280 TraceCheckUtils]: 6: Hoare triple {4908#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {4908#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:45,586 INFO L280 TraceCheckUtils]: 7: Hoare triple {4908#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {4909#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:45,588 INFO L280 TraceCheckUtils]: 8: Hoare triple {4909#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {4910#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} is VALID [2020-07-08 22:20:45,589 INFO L280 TraceCheckUtils]: 9: Hoare triple {4910#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} #res := 0; {4910#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} is VALID [2020-07-08 22:20:45,590 INFO L280 TraceCheckUtils]: 10: Hoare triple {4910#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} assume true; {4910#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} is VALID [2020-07-08 22:20:45,592 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {4910#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} {4845#(and (<= 5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (= 1 (select |#valid| ~head~0.base)))} #132#return; {4858#(and (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (<= 5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)))} is VALID [2020-07-08 22:20:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:20:47,727 INFO L280 TraceCheckUtils]: 0: Hoare triple {4801#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {4801#true} is VALID [2020-07-08 22:20:47,728 INFO L280 TraceCheckUtils]: 1: Hoare triple {4801#true} ~k := #in~k; {4911#(= |search_list_#in~k| search_list_~k)} is VALID [2020-07-08 22:20:47,729 INFO L280 TraceCheckUtils]: 2: Hoare triple {4911#(= |search_list_#in~k| search_list_~k)} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {4912#(and (= ~head~0.offset search_list_~l.offset) (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k)) (not (= 0 search_list_~l.offset))))} is VALID [2020-07-08 22:20:47,729 INFO L280 TraceCheckUtils]: 3: Hoare triple {4912#(and (= ~head~0.offset search_list_~l.offset) (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k)) (not (= 0 search_list_~l.offset))))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {4913#(and (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:47,730 INFO L280 TraceCheckUtils]: 4: Hoare triple {4913#(and (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume #t~short3; {4913#(and (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:47,731 INFO L280 TraceCheckUtils]: 5: Hoare triple {4913#(and (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {4914#(and (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= |search_list_#t~mem2| (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= ~head~0.offset search_list_~l.offset)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:47,732 INFO L280 TraceCheckUtils]: 6: Hoare triple {4914#(and (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= |search_list_#t~mem2| (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= ~head~0.offset search_list_~l.offset)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} #t~short3 := #t~mem2 != ~k; {4915#(and (or (and (= search_list_~l.base ~head~0.base) (or (and (= ~head~0.offset search_list_~l.offset) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)))) (not |search_list_#t~short3|)) (= |search_list_#in~k| search_list_~k)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:47,733 INFO L280 TraceCheckUtils]: 7: Hoare triple {4915#(and (or (and (= search_list_~l.base ~head~0.base) (or (and (= ~head~0.offset search_list_~l.offset) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)))) (not |search_list_#t~short3|)) (= |search_list_#in~k| search_list_~k)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume !!#t~short3; {4916#(and (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))) (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)))) (not (= 0 search_list_~l.offset))))} is VALID [2020-07-08 22:20:47,733 INFO L280 TraceCheckUtils]: 8: Hoare triple {4916#(and (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))) (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)))) (not (= 0 search_list_~l.offset))))} havoc #t~short3; {4916#(and (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))) (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)))) (not (= 0 search_list_~l.offset))))} is VALID [2020-07-08 22:20:47,734 INFO L280 TraceCheckUtils]: 9: Hoare triple {4916#(and (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))) (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)))) (not (= 0 search_list_~l.offset))))} havoc #t~mem2; {4916#(and (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))) (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)))) (not (= 0 search_list_~l.offset))))} is VALID [2020-07-08 22:20:47,735 INFO L280 TraceCheckUtils]: 10: Hoare triple {4916#(and (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))) (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)))) (not (= 0 search_list_~l.offset))))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~l.base, 4 + ~l.offset, 4); srcloc: L526 {4917#(or (not (= 0 ~head~0.offset)) (and (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))))} is VALID [2020-07-08 22:20:47,737 INFO L280 TraceCheckUtils]: 11: Hoare triple {4917#(or (not (= 0 ~head~0.offset)) (and (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))))} ~l.base, ~l.offset := #t~mem4.base, #t~mem4.offset; {4918#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,737 INFO L280 TraceCheckUtils]: 12: Hoare triple {4918#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} havoc #t~mem4.base, #t~mem4.offset; {4918#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,738 INFO L280 TraceCheckUtils]: 13: Hoare triple {4918#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,738 INFO L280 TraceCheckUtils]: 14: Hoare triple {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} assume #t~short3; {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,739 INFO L280 TraceCheckUtils]: 15: Hoare triple {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,740 INFO L280 TraceCheckUtils]: 16: Hoare triple {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} #t~short3 := #t~mem2 != ~k; {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,740 INFO L280 TraceCheckUtils]: 17: Hoare triple {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} assume !!#t~short3; {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,741 INFO L280 TraceCheckUtils]: 18: Hoare triple {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} havoc #t~short3; {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,741 INFO L280 TraceCheckUtils]: 19: Hoare triple {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} havoc #t~mem2; {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,742 INFO L280 TraceCheckUtils]: 20: Hoare triple {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~l.base, 4 + ~l.offset, 4); srcloc: L526 {4920#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,744 INFO L280 TraceCheckUtils]: 21: Hoare triple {4920#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} ~l.base, ~l.offset := #t~mem4.base, #t~mem4.offset; {4921#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (not (= ~head~0.offset search_list_~l.offset)) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2) (and (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (= |search_list_#in~k| search_list_~k)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4) search_list_~l.offset)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,745 INFO L280 TraceCheckUtils]: 22: Hoare triple {4921#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (not (= ~head~0.offset search_list_~l.offset)) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2) (and (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (= |search_list_#in~k| search_list_~k)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4) search_list_~l.offset)) (not (= 0 ~head~0.offset)))} havoc #t~mem4.base, #t~mem4.offset; {4921#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (not (= ~head~0.offset search_list_~l.offset)) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2) (and (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (= |search_list_#in~k| search_list_~k)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4) search_list_~l.offset)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,747 INFO L280 TraceCheckUtils]: 23: Hoare triple {4921#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (not (= ~head~0.offset search_list_~l.offset)) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2) (and (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (= |search_list_#in~k| search_list_~k)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4) search_list_~l.offset)) (not (= 0 ~head~0.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {4922#(or (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2) (and (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (or (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))) (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,747 INFO L280 TraceCheckUtils]: 24: Hoare triple {4922#(or (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2) (and (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (or (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))) (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} assume #t~short3; {4922#(or (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2) (and (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (or (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))) (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,748 INFO L280 TraceCheckUtils]: 25: Hoare triple {4922#(or (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2) (and (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (or (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))) (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {4923#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (and (or (and (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#t~mem2|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (or (not (= |search_list_#t~mem2| search_list_~k)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,749 INFO L280 TraceCheckUtils]: 26: Hoare triple {4923#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (and (or (and (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#t~mem2|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (or (not (= |search_list_#t~mem2| search_list_~k)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))) (not (= 0 ~head~0.offset)))} #t~short3 := #t~mem2 != ~k; {4924#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) |search_list_#t~short3| (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,750 INFO L280 TraceCheckUtils]: 27: Hoare triple {4924#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) |search_list_#t~short3| (not (= 0 ~head~0.offset)))} assume !#t~short3; {4925#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,751 INFO L280 TraceCheckUtils]: 28: Hoare triple {4925#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} havoc #t~short3; {4925#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,751 INFO L280 TraceCheckUtils]: 29: Hoare triple {4925#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} havoc #t~mem2; {4925#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,752 INFO L280 TraceCheckUtils]: 30: Hoare triple {4925#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} #res.base, #res.offset := ~l.base, ~l.offset; {4926#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,752 INFO L280 TraceCheckUtils]: 31: Hoare triple {4926#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} assume true; {4926#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,754 INFO L275 TraceCheckUtils]: 32: Hoare quadruple {4926#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} {4858#(and (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (<= 5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)))} #134#return; {4802#false} is VALID [2020-07-08 22:20:47,766 INFO L263 TraceCheckUtils]: 0: Hoare triple {4801#true} call ULTIMATE.init(); {4892#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:20:47,766 INFO L280 TraceCheckUtils]: 1: Hoare triple {4892#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {4801#true} is VALID [2020-07-08 22:20:47,766 INFO L280 TraceCheckUtils]: 2: Hoare triple {4801#true} #valid := #valid[0 := 0]; {4801#true} is VALID [2020-07-08 22:20:47,766 INFO L280 TraceCheckUtils]: 3: Hoare triple {4801#true} assume 0 < #StackHeapBarrier; {4801#true} is VALID [2020-07-08 22:20:47,766 INFO L280 TraceCheckUtils]: 4: Hoare triple {4801#true} ~head~0.base, ~head~0.offset := 0, 0; {4801#true} is VALID [2020-07-08 22:20:47,766 INFO L280 TraceCheckUtils]: 5: Hoare triple {4801#true} assume true; {4801#true} is VALID [2020-07-08 22:20:47,766 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {4801#true} {4801#true} #138#return; {4801#true} is VALID [2020-07-08 22:20:47,766 INFO L263 TraceCheckUtils]: 7: Hoare triple {4801#true} call #t~ret13 := main(); {4801#true} is VALID [2020-07-08 22:20:47,767 INFO L280 TraceCheckUtils]: 8: Hoare triple {4801#true} havoc ~i~0; {4801#true} is VALID [2020-07-08 22:20:47,767 INFO L280 TraceCheckUtils]: 9: Hoare triple {4801#true} havoc ~mylist~0.base, ~mylist~0.offset; {4801#true} is VALID [2020-07-08 22:20:47,767 INFO L280 TraceCheckUtils]: 10: Hoare triple {4801#true} havoc ~temp~0.base, ~temp~0.offset; {4801#true} is VALID [2020-07-08 22:20:47,768 INFO L263 TraceCheckUtils]: 11: Hoare triple {4801#true} call #t~ret6 := insert_list(~mylist~0.base, ~mylist~0.offset, 2); {4893#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:47,768 INFO L280 TraceCheckUtils]: 12: Hoare triple {4893#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {4801#true} is VALID [2020-07-08 22:20:47,768 INFO L280 TraceCheckUtils]: 13: Hoare triple {4801#true} ~k := #in~k; {4801#true} is VALID [2020-07-08 22:20:47,768 INFO L280 TraceCheckUtils]: 14: Hoare triple {4801#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {4801#true} is VALID [2020-07-08 22:20:47,768 INFO L280 TraceCheckUtils]: 15: Hoare triple {4801#true} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {4801#true} is VALID [2020-07-08 22:20:47,768 INFO L280 TraceCheckUtils]: 16: Hoare triple {4801#true} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {4801#true} is VALID [2020-07-08 22:20:47,768 INFO L280 TraceCheckUtils]: 17: Hoare triple {4801#true} assume ~head~0.base == 0 && ~head~0.offset == 0; {4801#true} is VALID [2020-07-08 22:20:47,769 INFO L280 TraceCheckUtils]: 18: Hoare triple {4801#true} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {4801#true} is VALID [2020-07-08 22:20:47,769 INFO L280 TraceCheckUtils]: 19: Hoare triple {4801#true} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {4801#true} is VALID [2020-07-08 22:20:47,769 INFO L280 TraceCheckUtils]: 20: Hoare triple {4801#true} #res := 0; {4801#true} is VALID [2020-07-08 22:20:47,769 INFO L280 TraceCheckUtils]: 21: Hoare triple {4801#true} assume true; {4801#true} is VALID [2020-07-08 22:20:47,769 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {4801#true} {4801#true} #126#return; {4801#true} is VALID [2020-07-08 22:20:47,769 INFO L280 TraceCheckUtils]: 23: Hoare triple {4801#true} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {4801#true} is VALID [2020-07-08 22:20:47,769 INFO L280 TraceCheckUtils]: 24: Hoare triple {4801#true} havoc #t~ret6; {4801#true} is VALID [2020-07-08 22:20:47,770 INFO L263 TraceCheckUtils]: 25: Hoare triple {4801#true} call #t~ret7 := insert_list(~mylist~0.base, ~mylist~0.offset, 5); {4893#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:47,770 INFO L280 TraceCheckUtils]: 26: Hoare triple {4893#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {4801#true} is VALID [2020-07-08 22:20:47,771 INFO L280 TraceCheckUtils]: 27: Hoare triple {4801#true} ~k := #in~k; {4894#(= |insert_list_#in~k| insert_list_~k)} is VALID [2020-07-08 22:20:47,771 INFO L280 TraceCheckUtils]: 28: Hoare triple {4894#(= |insert_list_#in~k| insert_list_~k)} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {4895#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= |insert_list_#in~k| insert_list_~k) (= 0 |insert_list_#t~malloc5.offset|))} is VALID [2020-07-08 22:20:47,772 INFO L280 TraceCheckUtils]: 29: Hoare triple {4895#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= |insert_list_#in~k| insert_list_~k) (= 0 |insert_list_#t~malloc5.offset|))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {4896#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:47,773 INFO L280 TraceCheckUtils]: 30: Hoare triple {4896#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k) (= 0 insert_list_~l.offset))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {4896#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:47,773 INFO L280 TraceCheckUtils]: 31: Hoare triple {4896#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k) (= 0 insert_list_~l.offset))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {4896#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:20:47,774 INFO L280 TraceCheckUtils]: 32: Hoare triple {4896#(and (= 1 (select |#valid| insert_list_~l.base)) (= |insert_list_#in~k| insert_list_~k) (= 0 insert_list_~l.offset))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {4897#(and (= 1 (select |#valid| insert_list_~l.base)) (= 0 insert_list_~l.offset) (= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset)))} is VALID [2020-07-08 22:20:47,775 INFO L280 TraceCheckUtils]: 33: Hoare triple {4897#(and (= 1 (select |#valid| insert_list_~l.base)) (= 0 insert_list_~l.offset) (= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {4897#(and (= 1 (select |#valid| insert_list_~l.base)) (= 0 insert_list_~l.offset) (= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset)))} is VALID [2020-07-08 22:20:47,776 INFO L280 TraceCheckUtils]: 34: Hoare triple {4897#(and (= 1 (select |#valid| insert_list_~l.base)) (= 0 insert_list_~l.offset) (= |insert_list_#in~k| (select (select |#memory_int| insert_list_~l.base) insert_list_~l.offset)))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {4898#(and (or (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) 0)) (= 5 (select (select |#memory_int| ~head~0.base) 0))) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:47,777 INFO L280 TraceCheckUtils]: 35: Hoare triple {4898#(and (or (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) 0)) (= 5 (select (select |#memory_int| ~head~0.base) 0))) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} #res := 0; {4898#(and (or (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) 0)) (= 5 (select (select |#memory_int| ~head~0.base) 0))) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:47,777 INFO L280 TraceCheckUtils]: 36: Hoare triple {4898#(and (or (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) 0)) (= 5 (select (select |#memory_int| ~head~0.base) 0))) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} assume true; {4898#(and (or (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) 0)) (= 5 (select (select |#memory_int| ~head~0.base) 0))) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:47,778 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {4898#(and (or (= |insert_list_#in~k| (select (select |#memory_int| ~head~0.base) 0)) (= 5 (select (select |#memory_int| ~head~0.base) 0))) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} {4801#true} #128#return; {4832#(and (= 0 ~head~0.offset) (<= 5 (select (select |#memory_int| ~head~0.base) 0)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:47,779 INFO L280 TraceCheckUtils]: 38: Hoare triple {4832#(and (= 0 ~head~0.offset) (<= 5 (select (select |#memory_int| ~head~0.base) 0)) (= 1 (select |#valid| ~head~0.base)))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; {4832#(and (= 0 ~head~0.offset) (<= 5 (select (select |#memory_int| ~head~0.base) 0)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:47,779 INFO L280 TraceCheckUtils]: 39: Hoare triple {4832#(and (= 0 ~head~0.offset) (<= 5 (select (select |#memory_int| ~head~0.base) 0)) (= 1 (select |#valid| ~head~0.base)))} havoc #t~ret7; {4832#(and (= 0 ~head~0.offset) (<= 5 (select (select |#memory_int| ~head~0.base) 0)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:47,780 INFO L263 TraceCheckUtils]: 40: Hoare triple {4832#(and (= 0 ~head~0.offset) (<= 5 (select (select |#memory_int| ~head~0.base) 0)) (= 1 (select |#valid| ~head~0.base)))} call #t~ret8 := insert_list(~mylist~0.base, ~mylist~0.offset, 1); {4893#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:47,781 INFO L280 TraceCheckUtils]: 41: Hoare triple {4893#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {4899#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base))} is VALID [2020-07-08 22:20:47,781 INFO L280 TraceCheckUtils]: 42: Hoare triple {4899#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base))} ~k := #in~k; {4899#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base))} is VALID [2020-07-08 22:20:47,782 INFO L280 TraceCheckUtils]: 43: Hoare triple {4899#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base))} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {4900#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= 0 |insert_list_#t~malloc5.offset|))} is VALID [2020-07-08 22:20:47,783 INFO L280 TraceCheckUtils]: 44: Hoare triple {4900#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= 0 |insert_list_#t~malloc5.offset|))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {4901#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:47,784 INFO L280 TraceCheckUtils]: 45: Hoare triple {4901#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {4902#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:47,785 INFO L280 TraceCheckUtils]: 46: Hoare triple {4902#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {4902#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:47,786 INFO L280 TraceCheckUtils]: 47: Hoare triple {4902#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {4902#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:47,787 INFO L280 TraceCheckUtils]: 48: Hoare triple {4902#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {4903#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:47,788 INFO L280 TraceCheckUtils]: 49: Hoare triple {4903#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= 0 insert_list_~l.offset) (= 0 (select |old(#valid)| insert_list_~l.base)))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {4904#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (= 0 ~head~0.offset) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:47,789 INFO L280 TraceCheckUtils]: 50: Hoare triple {4904#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (= 0 ~head~0.offset) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (= 1 (select |#valid| ~head~0.base)))} #res := 0; {4904#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (= 0 ~head~0.offset) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:47,789 INFO L280 TraceCheckUtils]: 51: Hoare triple {4904#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (= 0 ~head~0.offset) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (= 1 (select |#valid| ~head~0.base)))} assume true; {4904#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (= 0 ~head~0.offset) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:47,791 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {4904#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (= 0 ~head~0.offset) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (= 1 (select |#valid| ~head~0.base)))} {4832#(and (= 0 ~head~0.offset) (<= 5 (select (select |#memory_int| ~head~0.base) 0)) (= 1 (select |#valid| ~head~0.base)))} #130#return; {4845#(and (<= 5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:47,791 INFO L280 TraceCheckUtils]: 53: Hoare triple {4845#(and (<= 5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (= 1 (select |#valid| ~head~0.base)))} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {4845#(and (<= 5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:47,792 INFO L280 TraceCheckUtils]: 54: Hoare triple {4845#(and (<= 5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (= 1 (select |#valid| ~head~0.base)))} havoc #t~ret8; {4845#(and (<= 5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:20:47,794 INFO L263 TraceCheckUtils]: 55: Hoare triple {4845#(and (<= 5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (= 1 (select |#valid| ~head~0.base)))} call #t~ret9 := insert_list(~mylist~0.base, ~mylist~0.offset, 3); {4893#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:20:47,794 INFO L280 TraceCheckUtils]: 56: Hoare triple {4893#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {4905#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:20:47,795 INFO L280 TraceCheckUtils]: 57: Hoare triple {4905#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~k := #in~k; {4905#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:20:47,795 INFO L280 TraceCheckUtils]: 58: Hoare triple {4905#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {4906#(and (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |insert_list_#t~malloc5.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:20:47,796 INFO L280 TraceCheckUtils]: 59: Hoare triple {4906#(and (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |insert_list_#t~malloc5.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {4907#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:47,798 INFO L280 TraceCheckUtils]: 60: Hoare triple {4907#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| |old(#memory_int)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {4908#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:47,799 INFO L280 TraceCheckUtils]: 61: Hoare triple {4908#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {4908#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:47,800 INFO L280 TraceCheckUtils]: 62: Hoare triple {4908#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {4908#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:47,802 INFO L280 TraceCheckUtils]: 63: Hoare triple {4908#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {4909#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:20:47,804 INFO L280 TraceCheckUtils]: 64: Hoare triple {4909#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= |#memory_int| (store |old(#memory_int)| insert_list_~l.base (select |#memory_int| insert_list_~l.base))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {4910#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} is VALID [2020-07-08 22:20:47,805 INFO L280 TraceCheckUtils]: 65: Hoare triple {4910#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} #res := 0; {4910#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} is VALID [2020-07-08 22:20:47,805 INFO L280 TraceCheckUtils]: 66: Hoare triple {4910#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} assume true; {4910#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} is VALID [2020-07-08 22:20:47,807 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {4910#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= (select |old(#memory_int)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} {4845#(and (<= 5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (= 1 (select |#valid| ~head~0.base)))} #132#return; {4858#(and (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (<= 5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)))} is VALID [2020-07-08 22:20:47,808 INFO L280 TraceCheckUtils]: 68: Hoare triple {4858#(and (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (<= 5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)))} assume -2147483648 <= #t~ret9 && #t~ret9 <= 2147483647; {4858#(and (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (<= 5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)))} is VALID [2020-07-08 22:20:47,808 INFO L280 TraceCheckUtils]: 69: Hoare triple {4858#(and (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (<= 5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)))} havoc #t~ret9; {4858#(and (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (<= 5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)))} is VALID [2020-07-08 22:20:47,809 INFO L263 TraceCheckUtils]: 70: Hoare triple {4858#(and (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (<= 5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)))} call #t~ret10.base, #t~ret10.offset := search_list(~head~0.base, ~head~0.offset, 2); {4801#true} is VALID [2020-07-08 22:20:47,809 INFO L280 TraceCheckUtils]: 71: Hoare triple {4801#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {4801#true} is VALID [2020-07-08 22:20:47,810 INFO L280 TraceCheckUtils]: 72: Hoare triple {4801#true} ~k := #in~k; {4911#(= |search_list_#in~k| search_list_~k)} is VALID [2020-07-08 22:20:47,810 INFO L280 TraceCheckUtils]: 73: Hoare triple {4911#(= |search_list_#in~k| search_list_~k)} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {4912#(and (= ~head~0.offset search_list_~l.offset) (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k)) (not (= 0 search_list_~l.offset))))} is VALID [2020-07-08 22:20:47,811 INFO L280 TraceCheckUtils]: 74: Hoare triple {4912#(and (= ~head~0.offset search_list_~l.offset) (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k)) (not (= 0 search_list_~l.offset))))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {4913#(and (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:47,812 INFO L280 TraceCheckUtils]: 75: Hoare triple {4913#(and (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume #t~short3; {4913#(and (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:47,812 INFO L280 TraceCheckUtils]: 76: Hoare triple {4913#(and (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {4914#(and (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= |search_list_#t~mem2| (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= ~head~0.offset search_list_~l.offset)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:47,813 INFO L280 TraceCheckUtils]: 77: Hoare triple {4914#(and (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= |search_list_#t~mem2| (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= ~head~0.offset search_list_~l.offset)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} #t~short3 := #t~mem2 != ~k; {4915#(and (or (and (= search_list_~l.base ~head~0.base) (or (and (= ~head~0.offset search_list_~l.offset) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)))) (not |search_list_#t~short3|)) (= |search_list_#in~k| search_list_~k)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:20:47,814 INFO L280 TraceCheckUtils]: 78: Hoare triple {4915#(and (or (and (= search_list_~l.base ~head~0.base) (or (and (= ~head~0.offset search_list_~l.offset) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)))) (not |search_list_#t~short3|)) (= |search_list_#in~k| search_list_~k)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume !!#t~short3; {4916#(and (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))) (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)))) (not (= 0 search_list_~l.offset))))} is VALID [2020-07-08 22:20:47,814 INFO L280 TraceCheckUtils]: 79: Hoare triple {4916#(and (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))) (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)))) (not (= 0 search_list_~l.offset))))} havoc #t~short3; {4916#(and (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))) (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)))) (not (= 0 search_list_~l.offset))))} is VALID [2020-07-08 22:20:47,815 INFO L280 TraceCheckUtils]: 80: Hoare triple {4916#(and (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))) (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)))) (not (= 0 search_list_~l.offset))))} havoc #t~mem2; {4916#(and (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))) (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)))) (not (= 0 search_list_~l.offset))))} is VALID [2020-07-08 22:20:47,816 INFO L280 TraceCheckUtils]: 81: Hoare triple {4916#(and (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))) (or (and (= search_list_~l.base ~head~0.base) (= |search_list_#in~k| search_list_~k) (= ~head~0.offset search_list_~l.offset) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)))) (not (= 0 search_list_~l.offset))))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~l.base, 4 + ~l.offset, 4); srcloc: L526 {4917#(or (not (= 0 ~head~0.offset)) (and (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))))} is VALID [2020-07-08 22:20:47,817 INFO L280 TraceCheckUtils]: 82: Hoare triple {4917#(or (not (= 0 ~head~0.offset)) (and (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))))} ~l.base, ~l.offset := #t~mem4.base, #t~mem4.offset; {4918#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,817 INFO L280 TraceCheckUtils]: 83: Hoare triple {4918#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} havoc #t~mem4.base, #t~mem4.offset; {4918#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,818 INFO L280 TraceCheckUtils]: 84: Hoare triple {4918#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,819 INFO L280 TraceCheckUtils]: 85: Hoare triple {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} assume #t~short3; {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,819 INFO L280 TraceCheckUtils]: 86: Hoare triple {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,820 INFO L280 TraceCheckUtils]: 87: Hoare triple {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} #t~short3 := #t~mem2 != ~k; {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,820 INFO L280 TraceCheckUtils]: 88: Hoare triple {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} assume !!#t~short3; {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,821 INFO L280 TraceCheckUtils]: 89: Hoare triple {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} havoc #t~short3; {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,821 INFO L280 TraceCheckUtils]: 90: Hoare triple {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} havoc #t~mem2; {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,822 INFO L280 TraceCheckUtils]: 91: Hoare triple {4919#(or (and (or (and (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2))) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~l.base, 4 + ~l.offset, 4); srcloc: L526 {4920#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,823 INFO L280 TraceCheckUtils]: 92: Hoare triple {4920#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= search_list_~k (select (select |#memory_int| ~head~0.base) ~head~0.offset))) (or (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} ~l.base, ~l.offset := #t~mem4.base, #t~mem4.offset; {4921#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (not (= ~head~0.offset search_list_~l.offset)) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2) (and (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (= |search_list_#in~k| search_list_~k)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4) search_list_~l.offset)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,824 INFO L280 TraceCheckUtils]: 93: Hoare triple {4921#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (not (= ~head~0.offset search_list_~l.offset)) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2) (and (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (= |search_list_#in~k| search_list_~k)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4) search_list_~l.offset)) (not (= 0 ~head~0.offset)))} havoc #t~mem4.base, #t~mem4.offset; {4921#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (not (= ~head~0.offset search_list_~l.offset)) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2) (and (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (= |search_list_#in~k| search_list_~k)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4) search_list_~l.offset)) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,825 INFO L280 TraceCheckUtils]: 94: Hoare triple {4921#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (not (= ~head~0.offset search_list_~l.offset)) (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2) (and (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (= |search_list_#in~k| search_list_~k)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4) search_list_~l.offset)) (not (= 0 ~head~0.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {4922#(or (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2) (and (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (or (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))) (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,826 INFO L280 TraceCheckUtils]: 95: Hoare triple {4922#(or (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2) (and (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (or (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))) (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} assume #t~short3; {4922#(or (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2) (and (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (or (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))) (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,827 INFO L280 TraceCheckUtils]: 96: Hoare triple {4922#(or (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2) (and (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (or (not (= search_list_~k (select (select |#memory_int| search_list_~l.base) search_list_~l.offset))) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))) (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {4923#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (and (or (and (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#t~mem2|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (or (not (= |search_list_#t~mem2| search_list_~k)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,828 INFO L280 TraceCheckUtils]: 97: Hoare triple {4923#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (and (or (and (= |search_list_#in~k| search_list_~k) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#t~mem2|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (or (not (= |search_list_#t~mem2| search_list_~k)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))))) (not (= 0 ~head~0.offset)))} #t~short3 := #t~mem2 != ~k; {4924#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) |search_list_#t~short3| (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,829 INFO L280 TraceCheckUtils]: 98: Hoare triple {4924#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) |search_list_#t~short3| (not (= 0 ~head~0.offset)))} assume !#t~short3; {4925#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,829 INFO L280 TraceCheckUtils]: 99: Hoare triple {4925#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} havoc #t~short3; {4925#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,829 INFO L280 TraceCheckUtils]: 100: Hoare triple {4925#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} havoc #t~mem2; {4925#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,830 INFO L280 TraceCheckUtils]: 101: Hoare triple {4925#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) (select (select |#memory_int| search_list_~l.base) search_list_~l.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} #res.base, #res.offset := ~l.base, ~l.offset; {4926#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,831 INFO L280 TraceCheckUtils]: 102: Hoare triple {4926#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} assume true; {4926#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:20:47,833 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {4926#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) |search_list_#in~k|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0) 2)) (not (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} {4858#(and (or (= ~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (<= 5 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)))} #134#return; {4802#false} is VALID [2020-07-08 22:20:47,833 INFO L280 TraceCheckUtils]: 104: Hoare triple {4802#false} ~temp~0.base, ~temp~0.offset := #t~ret10.base, #t~ret10.offset; {4802#false} is VALID [2020-07-08 22:20:47,834 INFO L280 TraceCheckUtils]: 105: Hoare triple {4802#false} havoc #t~ret10.base, #t~ret10.offset; {4802#false} is VALID [2020-07-08 22:20:47,834 INFO L280 TraceCheckUtils]: 106: Hoare triple {4802#false} SUMMARY for call #t~mem11 := read~int(~temp~0.base, ~temp~0.offset, 4); srcloc: L550 {4802#false} is VALID [2020-07-08 22:20:47,834 INFO L263 TraceCheckUtils]: 107: Hoare triple {4802#false} call __VERIFIER_assert((if 1 == #t~mem11 then 1 else 0)); {4802#false} is VALID [2020-07-08 22:20:47,834 INFO L280 TraceCheckUtils]: 108: Hoare triple {4802#false} ~cond := #in~cond; {4802#false} is VALID [2020-07-08 22:20:47,834 INFO L280 TraceCheckUtils]: 109: Hoare triple {4802#false} assume 0 == ~cond; {4802#false} is VALID [2020-07-08 22:20:47,835 INFO L280 TraceCheckUtils]: 110: Hoare triple {4802#false} assume !false; {4802#false} is VALID [2020-07-08 22:20:47,906 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 30 proven. 49 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-08 22:20:47,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [140710430] [2020-07-08 22:20:47,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:20:47,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-07-08 22:20:47,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915946975] [2020-07-08 22:20:47,907 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 111 [2020-07-08 22:20:47,908 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:20:47,908 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 40 states. [2020-07-08 22:20:48,081 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:20:48,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-07-08 22:20:48,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:20:48,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-07-08 22:20:48,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=1468, Unknown=0, NotChecked=0, Total=1560 [2020-07-08 22:20:48,083 INFO L87 Difference]: Start difference. First operand 109 states and 112 transitions. Second operand 40 states. [2020-07-08 22:20:51,086 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2020-07-08 22:20:56,533 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2020-07-08 22:20:56,844 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 59 [2020-07-08 22:20:57,168 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2020-07-08 22:20:57,505 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 62 [2020-07-08 22:20:57,797 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2020-07-08 22:20:58,071 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2020-07-08 22:20:58,385 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2020-07-08 22:20:58,708 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2020-07-08 22:20:58,991 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2020-07-08 22:20:59,419 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 65 [2020-07-08 22:21:00,295 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2020-07-08 22:21:00,629 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2020-07-08 22:21:00,921 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2020-07-08 22:21:01,375 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2020-07-08 22:21:01,755 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2020-07-08 22:21:02,237 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 59 [2020-07-08 22:21:02,799 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2020-07-08 22:21:03,098 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 57 [2020-07-08 22:21:03,999 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2020-07-08 22:21:05,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:21:05,395 INFO L93 Difference]: Finished difference Result 141 states and 145 transitions. [2020-07-08 22:21:05,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-07-08 22:21:05,396 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 111 [2020-07-08 22:21:05,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:21:05,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-07-08 22:21:05,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 128 transitions. [2020-07-08 22:21:05,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-07-08 22:21:05,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 128 transitions. [2020-07-08 22:21:05,404 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 45 states and 128 transitions. [2020-07-08 22:21:05,682 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 128 edges. 128 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:21:05,686 INFO L225 Difference]: With dead ends: 141 [2020-07-08 22:21:05,686 INFO L226 Difference]: Without dead ends: 128 [2020-07-08 22:21:05,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1059 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=604, Invalid=5716, Unknown=0, NotChecked=0, Total=6320 [2020-07-08 22:21:05,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-07-08 22:21:06,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 112. [2020-07-08 22:21:06,445 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:21:06,445 INFO L82 GeneralOperation]: Start isEquivalent. First operand 128 states. Second operand 112 states. [2020-07-08 22:21:06,445 INFO L74 IsIncluded]: Start isIncluded. First operand 128 states. Second operand 112 states. [2020-07-08 22:21:06,446 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 112 states. [2020-07-08 22:21:06,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:21:06,450 INFO L93 Difference]: Finished difference Result 128 states and 132 transitions. [2020-07-08 22:21:06,450 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 132 transitions. [2020-07-08 22:21:06,450 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:21:06,451 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:21:06,451 INFO L74 IsIncluded]: Start isIncluded. First operand 112 states. Second operand 128 states. [2020-07-08 22:21:06,451 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 128 states. [2020-07-08 22:21:06,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:21:06,456 INFO L93 Difference]: Finished difference Result 128 states and 132 transitions. [2020-07-08 22:21:06,456 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 132 transitions. [2020-07-08 22:21:06,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:21:06,456 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:21:06,457 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:21:06,457 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:21:06,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-07-08 22:21:06,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 115 transitions. [2020-07-08 22:21:06,460 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 115 transitions. Word has length 111 [2020-07-08 22:21:06,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:21:06,461 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 115 transitions. [2020-07-08 22:21:06,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-07-08 22:21:06,461 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 112 states and 115 transitions. [2020-07-08 22:21:06,867 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 115 edges. 115 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:21:06,868 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 115 transitions. [2020-07-08 22:21:06,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-07-08 22:21:06,869 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:21:06,870 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:21:06,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-08 22:21:06,870 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:21:06,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:21:06,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1616055414, now seen corresponding path program 3 times [2020-07-08 22:21:06,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:21:06,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [219025363] [2020-07-08 22:21:06,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:21:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:21:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:21:07,064 INFO L280 TraceCheckUtils]: 0: Hoare triple {5876#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {5776#true} is VALID [2020-07-08 22:21:07,065 INFO L280 TraceCheckUtils]: 1: Hoare triple {5776#true} #valid := #valid[0 := 0]; {5776#true} is VALID [2020-07-08 22:21:07,065 INFO L280 TraceCheckUtils]: 2: Hoare triple {5776#true} assume 0 < #StackHeapBarrier; {5776#true} is VALID [2020-07-08 22:21:07,065 INFO L280 TraceCheckUtils]: 3: Hoare triple {5776#true} ~head~0.base, ~head~0.offset := 0, 0; {5776#true} is VALID [2020-07-08 22:21:07,065 INFO L280 TraceCheckUtils]: 4: Hoare triple {5776#true} assume true; {5776#true} is VALID [2020-07-08 22:21:07,066 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {5776#true} {5776#true} #138#return; {5776#true} is VALID [2020-07-08 22:21:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:21:07,159 INFO L280 TraceCheckUtils]: 0: Hoare triple {5877#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {5776#true} is VALID [2020-07-08 22:21:07,159 INFO L280 TraceCheckUtils]: 1: Hoare triple {5776#true} ~k := #in~k; {5776#true} is VALID [2020-07-08 22:21:07,160 INFO L280 TraceCheckUtils]: 2: Hoare triple {5776#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {5878#(not (= |insert_list_#t~malloc5.base| 0))} is VALID [2020-07-08 22:21:07,161 INFO L280 TraceCheckUtils]: 3: Hoare triple {5878#(not (= |insert_list_#t~malloc5.base| 0))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {5879#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:21:07,162 INFO L280 TraceCheckUtils]: 4: Hoare triple {5879#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {5879#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:21:07,163 INFO L280 TraceCheckUtils]: 5: Hoare triple {5879#(not (= 0 insert_list_~l.base))} assume ~head~0.base == 0 && ~head~0.offset == 0; {5879#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:21:07,164 INFO L280 TraceCheckUtils]: 6: Hoare triple {5879#(not (= 0 insert_list_~l.base))} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {5879#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:21:07,165 INFO L280 TraceCheckUtils]: 7: Hoare triple {5879#(not (= 0 insert_list_~l.base))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {5795#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:21:07,166 INFO L280 TraceCheckUtils]: 8: Hoare triple {5795#(not (= 0 ~head~0.base))} #res := 0; {5795#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:21:07,167 INFO L280 TraceCheckUtils]: 9: Hoare triple {5795#(not (= 0 ~head~0.base))} assume true; {5795#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:21:07,168 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {5795#(not (= 0 ~head~0.base))} {5776#true} #126#return; {5795#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:21:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:21:07,367 INFO L280 TraceCheckUtils]: 0: Hoare triple {5877#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {5880#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:21:07,367 INFO L280 TraceCheckUtils]: 1: Hoare triple {5880#(= |old(~head~0.base)| ~head~0.base)} ~k := #in~k; {5880#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:21:07,369 INFO L280 TraceCheckUtils]: 2: Hoare triple {5880#(= |old(~head~0.base)| ~head~0.base)} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {5881#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= 0 |insert_list_#t~malloc5.offset|))} is VALID [2020-07-08 22:21:07,369 INFO L280 TraceCheckUtils]: 3: Hoare triple {5881#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= 0 |insert_list_#t~malloc5.offset|))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {5882#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:21:07,370 INFO L280 TraceCheckUtils]: 4: Hoare triple {5882#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {5882#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:21:07,371 INFO L280 TraceCheckUtils]: 5: Hoare triple {5882#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {5882#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:21:07,372 INFO L280 TraceCheckUtils]: 6: Hoare triple {5882#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {5882#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:21:07,373 INFO L280 TraceCheckUtils]: 7: Hoare triple {5882#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {5883#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) 4)) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:21:07,374 INFO L280 TraceCheckUtils]: 8: Hoare triple {5883#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) 4)) (= 0 insert_list_~l.offset))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {5884#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:07,375 INFO L280 TraceCheckUtils]: 9: Hoare triple {5884#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} #res := 0; {5884#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:07,376 INFO L280 TraceCheckUtils]: 10: Hoare triple {5884#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} assume true; {5884#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:07,378 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {5884#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} {5795#(not (= 0 ~head~0.base))} #128#return; {5808#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:21:07,884 INFO L280 TraceCheckUtils]: 0: Hoare triple {5877#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {5885#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2020-07-08 22:21:07,885 INFO L280 TraceCheckUtils]: 1: Hoare triple {5885#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} ~k := #in~k; {5885#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2020-07-08 22:21:07,886 INFO L280 TraceCheckUtils]: 2: Hoare triple {5885#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {5886#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= (store |old(#valid)| |insert_list_#t~malloc5.base| (select |#valid| |insert_list_#t~malloc5.base|)) |#valid|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |insert_list_#t~malloc5.offset|))} is VALID [2020-07-08 22:21:07,887 INFO L280 TraceCheckUtils]: 3: Hoare triple {5886#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= (store |old(#valid)| |insert_list_#t~malloc5.base| (select |#valid| |insert_list_#t~malloc5.base|)) |#valid|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |insert_list_#t~malloc5.offset|))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {5887#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} is VALID [2020-07-08 22:21:07,889 INFO L280 TraceCheckUtils]: 4: Hoare triple {5887#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {5888#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} is VALID [2020-07-08 22:21:07,890 INFO L280 TraceCheckUtils]: 5: Hoare triple {5888#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {5888#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} is VALID [2020-07-08 22:21:07,892 INFO L280 TraceCheckUtils]: 6: Hoare triple {5888#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {5888#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} is VALID [2020-07-08 22:21:07,894 INFO L280 TraceCheckUtils]: 7: Hoare triple {5888#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {5889#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} is VALID [2020-07-08 22:21:07,896 INFO L280 TraceCheckUtils]: 8: Hoare triple {5889#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {5890#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:07,897 INFO L280 TraceCheckUtils]: 9: Hoare triple {5890#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} #res := 0; {5890#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:07,899 INFO L280 TraceCheckUtils]: 10: Hoare triple {5890#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} assume true; {5890#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:07,902 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {5890#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} {5808#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} #130#return; {5821#(and (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:21:08,270 INFO L280 TraceCheckUtils]: 0: Hoare triple {5877#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {5891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:21:08,273 INFO L280 TraceCheckUtils]: 1: Hoare triple {5891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~k := #in~k; {5891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:21:08,274 INFO L280 TraceCheckUtils]: 2: Hoare triple {5891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {5892#(and (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |insert_list_#t~malloc5.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:21:08,275 INFO L280 TraceCheckUtils]: 3: Hoare triple {5892#(and (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |insert_list_#t~malloc5.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {5893#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:21:08,275 INFO L280 TraceCheckUtils]: 4: Hoare triple {5893#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {5894#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:21:08,276 INFO L280 TraceCheckUtils]: 5: Hoare triple {5894#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {5894#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:21:08,277 INFO L280 TraceCheckUtils]: 6: Hoare triple {5894#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {5894#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:21:08,279 INFO L280 TraceCheckUtils]: 7: Hoare triple {5894#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {5895#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:21:08,282 INFO L280 TraceCheckUtils]: 8: Hoare triple {5895#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {5896#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} is VALID [2020-07-08 22:21:08,283 INFO L280 TraceCheckUtils]: 9: Hoare triple {5896#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} #res := 0; {5896#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} is VALID [2020-07-08 22:21:08,284 INFO L280 TraceCheckUtils]: 10: Hoare triple {5896#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} assume true; {5896#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} is VALID [2020-07-08 22:21:08,286 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {5896#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} {5821#(and (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} #132#return; {5834#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)))} is VALID [2020-07-08 22:21:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:21:09,232 INFO L280 TraceCheckUtils]: 0: Hoare triple {5776#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {5776#true} is VALID [2020-07-08 22:21:09,232 INFO L280 TraceCheckUtils]: 1: Hoare triple {5776#true} ~k := #in~k; {5776#true} is VALID [2020-07-08 22:21:09,233 INFO L280 TraceCheckUtils]: 2: Hoare triple {5776#true} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {5897#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= ~head~0.offset search_list_~l.offset)))} is VALID [2020-07-08 22:21:09,234 INFO L280 TraceCheckUtils]: 3: Hoare triple {5897#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= ~head~0.offset search_list_~l.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:21:09,235 INFO L280 TraceCheckUtils]: 4: Hoare triple {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume #t~short3; {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:21:09,235 INFO L280 TraceCheckUtils]: 5: Hoare triple {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:21:09,236 INFO L280 TraceCheckUtils]: 6: Hoare triple {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} #t~short3 := #t~mem2 != ~k; {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:21:09,236 INFO L280 TraceCheckUtils]: 7: Hoare triple {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume !!#t~short3; {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:21:09,237 INFO L280 TraceCheckUtils]: 8: Hoare triple {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} havoc #t~short3; {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:21:09,237 INFO L280 TraceCheckUtils]: 9: Hoare triple {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} havoc #t~mem2; {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:21:09,238 INFO L280 TraceCheckUtils]: 10: Hoare triple {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~l.base, 4 + ~l.offset, 4); srcloc: L526 {5899#(or (and (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,239 INFO L280 TraceCheckUtils]: 11: Hoare triple {5899#(or (and (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} ~l.base, ~l.offset := #t~mem4.base, #t~mem4.offset; {5900#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,239 INFO L280 TraceCheckUtils]: 12: Hoare triple {5900#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} havoc #t~mem4.base, #t~mem4.offset; {5900#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,240 INFO L280 TraceCheckUtils]: 13: Hoare triple {5900#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,241 INFO L280 TraceCheckUtils]: 14: Hoare triple {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} assume #t~short3; {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,241 INFO L280 TraceCheckUtils]: 15: Hoare triple {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,241 INFO L280 TraceCheckUtils]: 16: Hoare triple {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} #t~short3 := #t~mem2 != ~k; {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,242 INFO L280 TraceCheckUtils]: 17: Hoare triple {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} assume !!#t~short3; {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,242 INFO L280 TraceCheckUtils]: 18: Hoare triple {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} havoc #t~short3; {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,243 INFO L280 TraceCheckUtils]: 19: Hoare triple {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} havoc #t~mem2; {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,244 INFO L280 TraceCheckUtils]: 20: Hoare triple {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~l.base, 4 + ~l.offset, 4); srcloc: L526 {5902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,245 INFO L280 TraceCheckUtils]: 21: Hoare triple {5902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} ~l.base, ~l.offset := #t~mem4.base, #t~mem4.offset; {5903#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4) search_list_~l.offset) (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 search_list_~l.offset)))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,245 INFO L280 TraceCheckUtils]: 22: Hoare triple {5903#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4) search_list_~l.offset) (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 search_list_~l.offset)))) (not (= 0 ~head~0.offset)))} havoc #t~mem4.base, #t~mem4.offset; {5903#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4) search_list_~l.offset) (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 search_list_~l.offset)))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,246 INFO L280 TraceCheckUtils]: 23: Hoare triple {5903#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4) search_list_~l.offset) (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 search_list_~l.offset)))) (not (= 0 ~head~0.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,247 INFO L280 TraceCheckUtils]: 24: Hoare triple {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} assume #t~short3; {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,248 INFO L280 TraceCheckUtils]: 25: Hoare triple {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,248 INFO L280 TraceCheckUtils]: 26: Hoare triple {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} #t~short3 := #t~mem2 != ~k; {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,249 INFO L280 TraceCheckUtils]: 27: Hoare triple {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} assume !!#t~short3; {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,249 INFO L280 TraceCheckUtils]: 28: Hoare triple {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} havoc #t~short3; {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,250 INFO L280 TraceCheckUtils]: 29: Hoare triple {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} havoc #t~mem2; {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,251 INFO L280 TraceCheckUtils]: 30: Hoare triple {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~l.base, 4 + ~l.offset, 4); srcloc: L526 {5905#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)) (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)))} is VALID [2020-07-08 22:21:09,252 INFO L280 TraceCheckUtils]: 31: Hoare triple {5905#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)) (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)))} ~l.base, ~l.offset := #t~mem4.base, #t~mem4.offset; {5906#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)))} is VALID [2020-07-08 22:21:09,252 INFO L280 TraceCheckUtils]: 32: Hoare triple {5906#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)))} havoc #t~mem4.base, #t~mem4.offset; {5906#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)))} is VALID [2020-07-08 22:21:09,253 INFO L280 TraceCheckUtils]: 33: Hoare triple {5906#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {5907#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) |search_list_#t~short3| (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,254 INFO L280 TraceCheckUtils]: 34: Hoare triple {5907#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) |search_list_#t~short3| (not (= 0 ~head~0.offset)))} assume !#t~short3; {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,254 INFO L280 TraceCheckUtils]: 35: Hoare triple {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} assume !#t~short3; {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,254 INFO L280 TraceCheckUtils]: 36: Hoare triple {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} havoc #t~short3; {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,255 INFO L280 TraceCheckUtils]: 37: Hoare triple {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} havoc #t~mem2; {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,255 INFO L280 TraceCheckUtils]: 38: Hoare triple {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} #res.base, #res.offset := ~l.base, ~l.offset; {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,256 INFO L280 TraceCheckUtils]: 39: Hoare triple {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} assume true; {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,257 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} {5834#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)))} #134#return; {5777#false} is VALID [2020-07-08 22:21:09,267 INFO L263 TraceCheckUtils]: 0: Hoare triple {5776#true} call ULTIMATE.init(); {5876#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:21:09,267 INFO L280 TraceCheckUtils]: 1: Hoare triple {5876#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {5776#true} is VALID [2020-07-08 22:21:09,267 INFO L280 TraceCheckUtils]: 2: Hoare triple {5776#true} #valid := #valid[0 := 0]; {5776#true} is VALID [2020-07-08 22:21:09,267 INFO L280 TraceCheckUtils]: 3: Hoare triple {5776#true} assume 0 < #StackHeapBarrier; {5776#true} is VALID [2020-07-08 22:21:09,267 INFO L280 TraceCheckUtils]: 4: Hoare triple {5776#true} ~head~0.base, ~head~0.offset := 0, 0; {5776#true} is VALID [2020-07-08 22:21:09,268 INFO L280 TraceCheckUtils]: 5: Hoare triple {5776#true} assume true; {5776#true} is VALID [2020-07-08 22:21:09,268 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {5776#true} {5776#true} #138#return; {5776#true} is VALID [2020-07-08 22:21:09,268 INFO L263 TraceCheckUtils]: 7: Hoare triple {5776#true} call #t~ret13 := main(); {5776#true} is VALID [2020-07-08 22:21:09,268 INFO L280 TraceCheckUtils]: 8: Hoare triple {5776#true} havoc ~i~0; {5776#true} is VALID [2020-07-08 22:21:09,268 INFO L280 TraceCheckUtils]: 9: Hoare triple {5776#true} havoc ~mylist~0.base, ~mylist~0.offset; {5776#true} is VALID [2020-07-08 22:21:09,268 INFO L280 TraceCheckUtils]: 10: Hoare triple {5776#true} havoc ~temp~0.base, ~temp~0.offset; {5776#true} is VALID [2020-07-08 22:21:09,269 INFO L263 TraceCheckUtils]: 11: Hoare triple {5776#true} call #t~ret6 := insert_list(~mylist~0.base, ~mylist~0.offset, 2); {5877#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:21:09,269 INFO L280 TraceCheckUtils]: 12: Hoare triple {5877#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {5776#true} is VALID [2020-07-08 22:21:09,269 INFO L280 TraceCheckUtils]: 13: Hoare triple {5776#true} ~k := #in~k; {5776#true} is VALID [2020-07-08 22:21:09,270 INFO L280 TraceCheckUtils]: 14: Hoare triple {5776#true} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {5878#(not (= |insert_list_#t~malloc5.base| 0))} is VALID [2020-07-08 22:21:09,271 INFO L280 TraceCheckUtils]: 15: Hoare triple {5878#(not (= |insert_list_#t~malloc5.base| 0))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {5879#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:21:09,272 INFO L280 TraceCheckUtils]: 16: Hoare triple {5879#(not (= 0 insert_list_~l.base))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {5879#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:21:09,272 INFO L280 TraceCheckUtils]: 17: Hoare triple {5879#(not (= 0 insert_list_~l.base))} assume ~head~0.base == 0 && ~head~0.offset == 0; {5879#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:21:09,273 INFO L280 TraceCheckUtils]: 18: Hoare triple {5879#(not (= 0 insert_list_~l.base))} SUMMARY for call write~$Pointer$(0, 0, ~l.base, 4 + ~l.offset, 4); srcloc: L534 {5879#(not (= 0 insert_list_~l.base))} is VALID [2020-07-08 22:21:09,274 INFO L280 TraceCheckUtils]: 19: Hoare triple {5879#(not (= 0 insert_list_~l.base))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {5795#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:21:09,274 INFO L280 TraceCheckUtils]: 20: Hoare triple {5795#(not (= 0 ~head~0.base))} #res := 0; {5795#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:21:09,275 INFO L280 TraceCheckUtils]: 21: Hoare triple {5795#(not (= 0 ~head~0.base))} assume true; {5795#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:21:09,275 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {5795#(not (= 0 ~head~0.base))} {5776#true} #126#return; {5795#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:21:09,276 INFO L280 TraceCheckUtils]: 23: Hoare triple {5795#(not (= 0 ~head~0.base))} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {5795#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:21:09,276 INFO L280 TraceCheckUtils]: 24: Hoare triple {5795#(not (= 0 ~head~0.base))} havoc #t~ret6; {5795#(not (= 0 ~head~0.base))} is VALID [2020-07-08 22:21:09,277 INFO L263 TraceCheckUtils]: 25: Hoare triple {5795#(not (= 0 ~head~0.base))} call #t~ret7 := insert_list(~mylist~0.base, ~mylist~0.offset, 5); {5877#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:21:09,278 INFO L280 TraceCheckUtils]: 26: Hoare triple {5877#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {5880#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:21:09,279 INFO L280 TraceCheckUtils]: 27: Hoare triple {5880#(= |old(~head~0.base)| ~head~0.base)} ~k := #in~k; {5880#(= |old(~head~0.base)| ~head~0.base)} is VALID [2020-07-08 22:21:09,280 INFO L280 TraceCheckUtils]: 28: Hoare triple {5880#(= |old(~head~0.base)| ~head~0.base)} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {5881#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= 0 |insert_list_#t~malloc5.offset|))} is VALID [2020-07-08 22:21:09,280 INFO L280 TraceCheckUtils]: 29: Hoare triple {5881#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= 0 |insert_list_#t~malloc5.offset|))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {5882#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:21:09,281 INFO L280 TraceCheckUtils]: 30: Hoare triple {5882#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {5882#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:21:09,282 INFO L280 TraceCheckUtils]: 31: Hoare triple {5882#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {5882#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:21:09,283 INFO L280 TraceCheckUtils]: 32: Hoare triple {5882#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {5882#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:21:09,284 INFO L280 TraceCheckUtils]: 33: Hoare triple {5882#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {5883#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) 4)) (= 0 insert_list_~l.offset))} is VALID [2020-07-08 22:21:09,285 INFO L280 TraceCheckUtils]: 34: Hoare triple {5883#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) 4)) (= 0 insert_list_~l.offset))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {5884#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:09,285 INFO L280 TraceCheckUtils]: 35: Hoare triple {5884#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} #res := 0; {5884#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:09,286 INFO L280 TraceCheckUtils]: 36: Hoare triple {5884#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} assume true; {5884#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:09,288 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {5884#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (<= ~head~0.offset 0) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} {5795#(not (= 0 ~head~0.base))} #128#return; {5808#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:09,289 INFO L280 TraceCheckUtils]: 38: Hoare triple {5808#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; {5808#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:09,290 INFO L280 TraceCheckUtils]: 39: Hoare triple {5808#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} havoc #t~ret7; {5808#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:09,291 INFO L263 TraceCheckUtils]: 40: Hoare triple {5808#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} call #t~ret8 := insert_list(~mylist~0.base, ~mylist~0.offset, 1); {5877#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:21:09,292 INFO L280 TraceCheckUtils]: 41: Hoare triple {5877#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {5885#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2020-07-08 22:21:09,293 INFO L280 TraceCheckUtils]: 42: Hoare triple {5885#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} ~k := #in~k; {5885#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2020-07-08 22:21:09,294 INFO L280 TraceCheckUtils]: 43: Hoare triple {5885#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {5886#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= (store |old(#valid)| |insert_list_#t~malloc5.base| (select |#valid| |insert_list_#t~malloc5.base|)) |#valid|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |insert_list_#t~malloc5.offset|))} is VALID [2020-07-08 22:21:09,303 INFO L280 TraceCheckUtils]: 44: Hoare triple {5886#(and (= 1 (select |#valid| |insert_list_#t~malloc5.base|)) (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= (store |old(#valid)| |insert_list_#t~malloc5.base| (select |#valid| |insert_list_#t~malloc5.base|)) |#valid|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |insert_list_#t~malloc5.offset|))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {5887#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} is VALID [2020-07-08 22:21:09,305 INFO L280 TraceCheckUtils]: 45: Hoare triple {5887#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {5888#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} is VALID [2020-07-08 22:21:09,307 INFO L280 TraceCheckUtils]: 46: Hoare triple {5888#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {5888#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} is VALID [2020-07-08 22:21:09,309 INFO L280 TraceCheckUtils]: 47: Hoare triple {5888#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {5888#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} is VALID [2020-07-08 22:21:09,315 INFO L280 TraceCheckUtils]: 48: Hoare triple {5888#(and (= ~head~0.offset |old(~head~0.offset)|) (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {5889#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} is VALID [2020-07-08 22:21:09,317 INFO L280 TraceCheckUtils]: 49: Hoare triple {5889#(and (= 1 (select |#valid| insert_list_~l.base)) (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)) (= |#valid| (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|)))))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {5890#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:09,318 INFO L280 TraceCheckUtils]: 50: Hoare triple {5890#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} #res := 0; {5890#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:09,319 INFO L280 TraceCheckUtils]: 51: Hoare triple {5890#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} assume true; {5890#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:09,321 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {5890#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (<= ~head~0.offset 0) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))) (< 0 (+ ~head~0.offset 1)) (= 1 (select |#valid| ~head~0.base)))} {5808#(and (= 0 ~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} #130#return; {5821#(and (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:09,322 INFO L280 TraceCheckUtils]: 53: Hoare triple {5821#(and (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {5821#(and (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:09,323 INFO L280 TraceCheckUtils]: 54: Hoare triple {5821#(and (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} havoc #t~ret8; {5821#(and (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} is VALID [2020-07-08 22:21:09,324 INFO L263 TraceCheckUtils]: 55: Hoare triple {5821#(and (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} call #t~ret9 := insert_list(~mylist~0.base, ~mylist~0.offset, 3); {5877#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#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 22:21:09,324 INFO L280 TraceCheckUtils]: 56: Hoare triple {5877#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= ~head~0.base |old(~head~0.base)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {5891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:21:09,330 INFO L280 TraceCheckUtils]: 57: Hoare triple {5891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~k := #in~k; {5891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:21:09,332 INFO L280 TraceCheckUtils]: 58: Hoare triple {5891#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#valid| |old(#valid)|) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} SUMMARY for call #t~malloc5.base, #t~malloc5.offset := #Ultimate.allocOnHeap(8); srcloc: L531 {5892#(and (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |insert_list_#t~malloc5.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 22:21:09,333 INFO L280 TraceCheckUtils]: 59: Hoare triple {5892#(and (= ~head~0.offset |old(~head~0.offset)|) (= 0 (select |old(#valid)| |insert_list_#t~malloc5.base|)) (= |old(~head~0.base)| ~head~0.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |insert_list_#t~malloc5.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~l.base, ~l.offset := #t~malloc5.base, #t~malloc5.offset; {5893#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:21:09,335 INFO L280 TraceCheckUtils]: 60: Hoare triple {5893#(and (= ~head~0.offset |old(~head~0.offset)|) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L532 {5894#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:21:09,336 INFO L280 TraceCheckUtils]: 61: Hoare triple {5894#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} assume !(~head~0.base == 0 && ~head~0.offset == 0); {5894#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:21:09,337 INFO L280 TraceCheckUtils]: 62: Hoare triple {5894#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~int(~k, ~l.base, ~l.offset, 4); srcloc: L536 {5894#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:21:09,339 INFO L280 TraceCheckUtils]: 63: Hoare triple {5894#(and (= ~head~0.offset |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= |old(~head~0.base)| ~head~0.base) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~l.base, 4 + ~l.offset, 4); srcloc: L536-1 {5895#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} is VALID [2020-07-08 22:21:09,341 INFO L280 TraceCheckUtils]: 64: Hoare triple {5895#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| insert_list_~l.base) (+ insert_list_~l.offset 4))) (= (select (select |#memory_$Pointer$.offset| insert_list_~l.base) (+ insert_list_~l.offset 4)) |old(~head~0.offset)|) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| insert_list_~l.base (select |#memory_$Pointer$.offset| insert_list_~l.base))) (= 0 insert_list_~l.offset) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| insert_list_~l.base (select |#memory_$Pointer$.base| insert_list_~l.base))) (= 0 (select |old(#valid)| insert_list_~l.base)))} ~head~0.base, ~head~0.offset := ~l.base, ~l.offset; {5896#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} is VALID [2020-07-08 22:21:09,343 INFO L280 TraceCheckUtils]: 65: Hoare triple {5896#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} #res := 0; {5896#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} is VALID [2020-07-08 22:21:09,344 INFO L280 TraceCheckUtils]: 66: Hoare triple {5896#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} assume true; {5896#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} is VALID [2020-07-08 22:21:09,347 INFO L275 TraceCheckUtils]: 67: Hoare quadruple {5896#(and (= |old(~head~0.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) |old(~head~0.offset)|) (or (= (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 0 (select |old(#valid)| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)))) (= 0 ~head~0.offset) (or (= (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.offset)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0)) (or (= (select |old(#valid)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 0) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (select |old(#memory_$Pointer$.base)| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)))))} {5821#(and (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| ~head~0.base) 4))) (= 1 (select |#valid| ~head~0.base)))} #132#return; {5834#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)))} is VALID [2020-07-08 22:21:09,349 INFO L280 TraceCheckUtils]: 68: Hoare triple {5834#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)))} assume -2147483648 <= #t~ret9 && #t~ret9 <= 2147483647; {5834#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)))} is VALID [2020-07-08 22:21:09,350 INFO L280 TraceCheckUtils]: 69: Hoare triple {5834#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)))} havoc #t~ret9; {5834#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)))} is VALID [2020-07-08 22:21:09,350 INFO L263 TraceCheckUtils]: 70: Hoare triple {5834#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)))} call #t~ret10.base, #t~ret10.offset := search_list(~head~0.base, ~head~0.offset, 2); {5776#true} is VALID [2020-07-08 22:21:09,350 INFO L280 TraceCheckUtils]: 71: Hoare triple {5776#true} ~l.base, ~l.offset := #in~l.base, #in~l.offset; {5776#true} is VALID [2020-07-08 22:21:09,351 INFO L280 TraceCheckUtils]: 72: Hoare triple {5776#true} ~k := #in~k; {5776#true} is VALID [2020-07-08 22:21:09,352 INFO L280 TraceCheckUtils]: 73: Hoare triple {5776#true} ~l.base, ~l.offset := ~head~0.base, ~head~0.offset; {5897#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= ~head~0.offset search_list_~l.offset)))} is VALID [2020-07-08 22:21:09,353 INFO L280 TraceCheckUtils]: 74: Hoare triple {5897#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= ~head~0.offset search_list_~l.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:21:09,354 INFO L280 TraceCheckUtils]: 75: Hoare triple {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume #t~short3; {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:21:09,355 INFO L280 TraceCheckUtils]: 76: Hoare triple {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:21:09,358 INFO L280 TraceCheckUtils]: 77: Hoare triple {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} #t~short3 := #t~mem2 != ~k; {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:21:09,359 INFO L280 TraceCheckUtils]: 78: Hoare triple {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} assume !!#t~short3; {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:21:09,360 INFO L280 TraceCheckUtils]: 79: Hoare triple {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} havoc #t~short3; {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:21:09,361 INFO L280 TraceCheckUtils]: 80: Hoare triple {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} havoc #t~mem2; {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} is VALID [2020-07-08 22:21:09,362 INFO L280 TraceCheckUtils]: 81: Hoare triple {5898#(and (or (= search_list_~l.base ~head~0.base) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (not (= 0 ~head~0.offset))))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~l.base, 4 + ~l.offset, 4); srcloc: L526 {5899#(or (and (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,363 INFO L280 TraceCheckUtils]: 82: Hoare triple {5899#(or (and (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 ~head~0.offset)))} ~l.base, ~l.offset := #t~mem4.base, #t~mem4.offset; {5900#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,364 INFO L280 TraceCheckUtils]: 83: Hoare triple {5900#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} havoc #t~mem4.base, #t~mem4.offset; {5900#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,365 INFO L280 TraceCheckUtils]: 84: Hoare triple {5900#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (= 0 search_list_~l.offset) (= (select (select |#memory_$Pointer$.offset| ~head~0.base) 4) search_list_~l.offset))) (not (= 0 ~head~0.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,367 INFO L280 TraceCheckUtils]: 85: Hoare triple {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} assume #t~short3; {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,368 INFO L280 TraceCheckUtils]: 86: Hoare triple {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,368 INFO L280 TraceCheckUtils]: 87: Hoare triple {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} #t~short3 := #t~mem2 != ~k; {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,369 INFO L280 TraceCheckUtils]: 88: Hoare triple {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} assume !!#t~short3; {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,369 INFO L280 TraceCheckUtils]: 89: Hoare triple {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} havoc #t~short3; {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,387 INFO L280 TraceCheckUtils]: 90: Hoare triple {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} havoc #t~mem2; {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,388 INFO L280 TraceCheckUtils]: 91: Hoare triple {5901#(or (and (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) (not (= 0 search_list_~l.offset))) (or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 search_list_~l.offset))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~l.base, 4 + ~l.offset, 4); srcloc: L526 {5902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,389 INFO L280 TraceCheckUtils]: 92: Hoare triple {5902#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= |search_list_#t~mem4.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} ~l.base, ~l.offset := #t~mem4.base, #t~mem4.offset; {5903#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4) search_list_~l.offset) (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 search_list_~l.offset)))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,390 INFO L280 TraceCheckUtils]: 93: Hoare triple {5903#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4) search_list_~l.offset) (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 search_list_~l.offset)))) (not (= 0 ~head~0.offset)))} havoc #t~mem4.base, #t~mem4.offset; {5903#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4) search_list_~l.offset) (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 search_list_~l.offset)))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,391 INFO L280 TraceCheckUtils]: 94: Hoare triple {5903#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4) search_list_~l.offset) (or (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (not (= 0 search_list_~l.offset)))) (not (= 0 ~head~0.offset)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,391 INFO L280 TraceCheckUtils]: 95: Hoare triple {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} assume #t~short3; {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,391 INFO L280 TraceCheckUtils]: 96: Hoare triple {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem2 := read~int(~l.base, ~l.offset, 4); srcloc: L525-2 {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,392 INFO L280 TraceCheckUtils]: 97: Hoare triple {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} #t~short3 := #t~mem2 != ~k; {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,393 INFO L280 TraceCheckUtils]: 98: Hoare triple {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} assume !!#t~short3; {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,393 INFO L280 TraceCheckUtils]: 99: Hoare triple {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} havoc #t~short3; {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,394 INFO L280 TraceCheckUtils]: 100: Hoare triple {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} havoc #t~mem2; {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,396 INFO L280 TraceCheckUtils]: 101: Hoare triple {5904#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (and (= 0 search_list_~l.offset) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} SUMMARY for call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~l.base, 4 + ~l.offset, 4); srcloc: L526 {5905#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)) (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)))} is VALID [2020-07-08 22:21:09,396 INFO L280 TraceCheckUtils]: 102: Hoare triple {5905#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)) (= |search_list_#t~mem4.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)))} ~l.base, ~l.offset := #t~mem4.base, #t~mem4.offset; {5906#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)))} is VALID [2020-07-08 22:21:09,397 INFO L280 TraceCheckUtils]: 103: Hoare triple {5906#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)))} havoc #t~mem4.base, #t~mem4.offset; {5906#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)))} is VALID [2020-07-08 22:21:09,397 INFO L280 TraceCheckUtils]: 104: Hoare triple {5906#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)) (= search_list_~l.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)))} #t~short3 := ~l.base != 0 || ~l.offset != 0; {5907#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) |search_list_#t~short3| (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,398 INFO L280 TraceCheckUtils]: 105: Hoare triple {5907#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) |search_list_#t~short3| (not (= 0 ~head~0.offset)))} assume !#t~short3; {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,398 INFO L280 TraceCheckUtils]: 106: Hoare triple {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} assume !#t~short3; {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,399 INFO L280 TraceCheckUtils]: 107: Hoare triple {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} havoc #t~short3; {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,399 INFO L280 TraceCheckUtils]: 108: Hoare triple {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} havoc #t~mem2; {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,399 INFO L280 TraceCheckUtils]: 109: Hoare triple {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} #res.base, #res.offset := ~l.base, ~l.offset; {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,400 INFO L280 TraceCheckUtils]: 110: Hoare triple {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} assume true; {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} is VALID [2020-07-08 22:21:09,402 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {5908#(or (not (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4))) (not (= 0 ~head~0.offset)))} {5834#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) 4))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ~head~0.base) 4)) 4)) (= 0 ~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| ~head~0.base) 4)))} #134#return; {5777#false} is VALID [2020-07-08 22:21:09,402 INFO L280 TraceCheckUtils]: 112: Hoare triple {5777#false} ~temp~0.base, ~temp~0.offset := #t~ret10.base, #t~ret10.offset; {5777#false} is VALID [2020-07-08 22:21:09,402 INFO L280 TraceCheckUtils]: 113: Hoare triple {5777#false} havoc #t~ret10.base, #t~ret10.offset; {5777#false} is VALID [2020-07-08 22:21:09,403 INFO L280 TraceCheckUtils]: 114: Hoare triple {5777#false} SUMMARY for call #t~mem11 := read~int(~temp~0.base, ~temp~0.offset, 4); srcloc: L550 {5777#false} is VALID [2020-07-08 22:21:09,403 INFO L263 TraceCheckUtils]: 115: Hoare triple {5777#false} call __VERIFIER_assert((if 1 == #t~mem11 then 1 else 0)); {5777#false} is VALID [2020-07-08 22:21:09,403 INFO L280 TraceCheckUtils]: 116: Hoare triple {5777#false} ~cond := #in~cond; {5777#false} is VALID [2020-07-08 22:21:09,403 INFO L280 TraceCheckUtils]: 117: Hoare triple {5777#false} assume 0 == ~cond; {5777#false} is VALID [2020-07-08 22:21:09,403 INFO L280 TraceCheckUtils]: 118: Hoare triple {5777#false} assume !false; {5777#false} is VALID [2020-07-08 22:21:09,459 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-08 22:21:09,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [219025363] [2020-07-08 22:21:09,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 22:21:09,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-07-08 22:21:09,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069836309] [2020-07-08 22:21:09,460 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 119 [2020-07-08 22:21:09,461 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:21:09,461 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 39 states. [2020-07-08 22:21:09,636 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 119 edges. 119 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:21:09,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-07-08 22:21:09,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:21:09,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-07-08 22:21:09,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1381, Unknown=0, NotChecked=0, Total=1482 [2020-07-08 22:21:09,638 INFO L87 Difference]: Start difference. First operand 112 states and 115 transitions. Second operand 39 states. [2020-07-08 22:21:12,845 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 52 [2020-07-08 22:21:15,798 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 54 [2020-07-08 22:21:18,264 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2020-07-08 22:21:21,045 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2020-07-08 22:21:22,349 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-07-08 22:21:22,677 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2020-07-08 22:21:23,691 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2020-07-08 22:21:24,015 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2020-07-08 22:21:24,306 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2020-07-08 22:21:24,621 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2020-07-08 22:21:25,639 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2020-07-08 22:21:25,985 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2020-07-08 22:21:26,274 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2020-07-08 22:21:26,591 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2020-07-08 22:21:27,597 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2020-07-08 22:21:27,927 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2020-07-08 22:21:28,209 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-07-08 22:21:28,517 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2020-07-08 22:21:30,718 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-07-08 22:21:31,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:21:31,786 INFO L93 Difference]: Finished difference Result 173 states and 179 transitions. [2020-07-08 22:21:31,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-07-08 22:21:31,787 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 119 [2020-07-08 22:21:31,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:21:31,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-07-08 22:21:31,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 179 transitions. [2020-07-08 22:21:31,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-07-08 22:21:31,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 179 transitions. [2020-07-08 22:21:31,795 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 50 states and 179 transitions. [2020-07-08 22:21:32,270 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 179 edges. 179 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:21:32,273 INFO L225 Difference]: With dead ends: 173 [2020-07-08 22:21:32,274 INFO L226 Difference]: Without dead ends: 150 [2020-07-08 22:21:32,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1392 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=859, Invalid=6113, Unknown=0, NotChecked=0, Total=6972 [2020-07-08 22:21:32,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-07-08 22:21:33,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 131. [2020-07-08 22:21:33,425 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:21:33,425 INFO L82 GeneralOperation]: Start isEquivalent. First operand 150 states. Second operand 131 states. [2020-07-08 22:21:33,425 INFO L74 IsIncluded]: Start isIncluded. First operand 150 states. Second operand 131 states. [2020-07-08 22:21:33,425 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 131 states. [2020-07-08 22:21:33,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:21:33,430 INFO L93 Difference]: Finished difference Result 150 states and 154 transitions. [2020-07-08 22:21:33,431 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2020-07-08 22:21:33,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:21:33,431 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:21:33,432 INFO L74 IsIncluded]: Start isIncluded. First operand 131 states. Second operand 150 states. [2020-07-08 22:21:33,432 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 150 states. [2020-07-08 22:21:33,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:21:33,437 INFO L93 Difference]: Finished difference Result 150 states and 154 transitions. [2020-07-08 22:21:33,437 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2020-07-08 22:21:33,438 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:21:33,438 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:21:33,438 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:21:33,438 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:21:33,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-08 22:21:33,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 133 transitions. [2020-07-08 22:21:33,442 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 133 transitions. Word has length 119 [2020-07-08 22:21:33,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:21:33,443 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 133 transitions. [2020-07-08 22:21:33,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-07-08 22:21:33,443 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 131 states and 133 transitions. [2020-07-08 22:21:33,973 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 133 edges. 133 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:21:33,973 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 133 transitions. [2020-07-08 22:21:33,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-08 22:21:33,975 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:21:33,975 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:21:33,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-08 22:21:33,976 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:21:33,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:21:33,976 INFO L82 PathProgramCache]: Analyzing trace with hash 825201005, now seen corresponding path program 3 times [2020-07-08 22:21:33,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:21:33,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1459040040] [2020-07-08 22:21:33,977 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:21:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 22:21:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 22:21:34,143 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-08 22:21:34,143 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 22:21:34,143 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-08 22:21:34,248 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 22:21:34,249 WARN L170 areAnnotationChecker]: insert_listENTRY has no Hoare annotation [2020-07-08 22:21:34,249 WARN L170 areAnnotationChecker]: __bswap_32ENTRY has no Hoare annotation [2020-07-08 22:21:34,249 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 22:21:34,249 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 22:21:34,249 WARN L170 areAnnotationChecker]: __bswap_64ENTRY has no Hoare annotation [2020-07-08 22:21:34,249 WARN L170 areAnnotationChecker]: __uint16_identityENTRY has no Hoare annotation [2020-07-08 22:21:34,249 WARN L170 areAnnotationChecker]: __uint64_identityENTRY has no Hoare annotation [2020-07-08 22:21:34,249 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 22:21:34,249 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-08 22:21:34,250 WARN L170 areAnnotationChecker]: search_listENTRY has no Hoare annotation [2020-07-08 22:21:34,250 WARN L170 areAnnotationChecker]: __uint32_identityENTRY has no Hoare annotation [2020-07-08 22:21:34,250 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 22:21:34,250 WARN L170 areAnnotationChecker]: L530 has no Hoare annotation [2020-07-08 22:21:34,250 WARN L170 areAnnotationChecker]: L169 has no Hoare annotation [2020-07-08 22:21:34,250 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 22:21:34,250 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 22:21:34,250 WARN L170 areAnnotationChecker]: L174 has no Hoare annotation [2020-07-08 22:21:34,250 WARN L170 areAnnotationChecker]: L179 has no Hoare annotation [2020-07-08 22:21:34,250 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-08 22:21:34,251 WARN L170 areAnnotationChecker]: L544 has no Hoare annotation [2020-07-08 22:21:34,251 WARN L170 areAnnotationChecker]: L3 has no Hoare annotation [2020-07-08 22:21:34,251 WARN L170 areAnnotationChecker]: L3 has no Hoare annotation [2020-07-08 22:21:34,251 WARN L170 areAnnotationChecker]: L523 has no Hoare annotation [2020-07-08 22:21:34,251 WARN L170 areAnnotationChecker]: L184 has no Hoare annotation [2020-07-08 22:21:34,251 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-08 22:21:34,251 WARN L170 areAnnotationChecker]: L531 has no Hoare annotation [2020-07-08 22:21:34,251 WARN L170 areAnnotationChecker]: L169-1 has no Hoare annotation [2020-07-08 22:21:34,251 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 22:21:34,251 WARN L170 areAnnotationChecker]: L174-1 has no Hoare annotation [2020-07-08 22:21:34,252 WARN L170 areAnnotationChecker]: __uint16_identityFINAL has no Hoare annotation [2020-07-08 22:21:34,252 WARN L170 areAnnotationChecker]: __uint64_identityFINAL has no Hoare annotation [2020-07-08 22:21:34,252 WARN L170 areAnnotationChecker]: L544-1 has no Hoare annotation [2020-07-08 22:21:34,252 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-08 22:21:34,252 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-08 22:21:34,252 WARN L170 areAnnotationChecker]: L3-2 has no Hoare annotation [2020-07-08 22:21:34,252 WARN L170 areAnnotationChecker]: L524 has no Hoare annotation [2020-07-08 22:21:34,252 WARN L170 areAnnotationChecker]: __uint32_identityFINAL has no Hoare annotation [2020-07-08 22:21:34,253 WARN L170 areAnnotationChecker]: L522 has no Hoare annotation [2020-07-08 22:21:34,253 WARN L170 areAnnotationChecker]: L531-1 has no Hoare annotation [2020-07-08 22:21:34,253 WARN L170 areAnnotationChecker]: __bswap_32FINAL has no Hoare annotation [2020-07-08 22:21:34,253 WARN L170 areAnnotationChecker]: __bswap_64FINAL has no Hoare annotation [2020-07-08 22:21:34,253 WARN L170 areAnnotationChecker]: L545 has no Hoare annotation [2020-07-08 22:21:34,253 WARN L170 areAnnotationChecker]: L545 has no Hoare annotation [2020-07-08 22:21:34,253 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-08 22:21:34,253 WARN L170 areAnnotationChecker]: L525-11 has no Hoare annotation [2020-07-08 22:21:34,253 WARN L170 areAnnotationChecker]: L525-11 has no Hoare annotation [2020-07-08 22:21:34,254 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 22:21:34,254 WARN L170 areAnnotationChecker]: L532 has no Hoare annotation [2020-07-08 22:21:34,254 WARN L170 areAnnotationChecker]: L545-1 has no Hoare annotation [2020-07-08 22:21:34,254 WARN L170 areAnnotationChecker]: L550-2 has no Hoare annotation [2020-07-08 22:21:34,254 WARN L170 areAnnotationChecker]: L525-12 has no Hoare annotation [2020-07-08 22:21:34,254 WARN L170 areAnnotationChecker]: L525-1 has no Hoare annotation [2020-07-08 22:21:34,254 WARN L170 areAnnotationChecker]: L525-1 has no Hoare annotation [2020-07-08 22:21:34,254 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 22:21:34,254 WARN L170 areAnnotationChecker]: L532-1 has no Hoare annotation [2020-07-08 22:21:34,254 WARN L170 areAnnotationChecker]: L532-1 has no Hoare annotation [2020-07-08 22:21:34,254 WARN L170 areAnnotationChecker]: L545-2 has no Hoare annotation [2020-07-08 22:21:34,255 WARN L170 areAnnotationChecker]: L551-2 has no Hoare annotation [2020-07-08 22:21:34,255 WARN L170 areAnnotationChecker]: L551-2 has no Hoare annotation [2020-07-08 22:21:34,255 WARN L170 areAnnotationChecker]: L551-2 has no Hoare annotation [2020-07-08 22:21:34,255 WARN L170 areAnnotationChecker]: search_listFINAL has no Hoare annotation [2020-07-08 22:21:34,255 WARN L170 areAnnotationChecker]: L525-2 has no Hoare annotation [2020-07-08 22:21:34,255 WARN L170 areAnnotationChecker]: L525-5 has no Hoare annotation [2020-07-08 22:21:34,255 WARN L170 areAnnotationChecker]: L525-5 has no Hoare annotation [2020-07-08 22:21:34,255 WARN L170 areAnnotationChecker]: L534 has no Hoare annotation [2020-07-08 22:21:34,255 WARN L170 areAnnotationChecker]: L536 has no Hoare annotation [2020-07-08 22:21:34,255 WARN L170 areAnnotationChecker]: L546 has no Hoare annotation [2020-07-08 22:21:34,256 WARN L170 areAnnotationChecker]: L546 has no Hoare annotation [2020-07-08 22:21:34,256 WARN L170 areAnnotationChecker]: L551-3 has no Hoare annotation [2020-07-08 22:21:34,256 WARN L170 areAnnotationChecker]: L552 has no Hoare annotation [2020-07-08 22:21:34,256 WARN L170 areAnnotationChecker]: search_listEXIT has no Hoare annotation [2020-07-08 22:21:34,256 WARN L170 areAnnotationChecker]: L525-3 has no Hoare annotation [2020-07-08 22:21:34,256 WARN L170 areAnnotationChecker]: L525-6 has no Hoare annotation [2020-07-08 22:21:34,256 WARN L170 areAnnotationChecker]: L525-9 has no Hoare annotation [2020-07-08 22:21:34,256 WARN L170 areAnnotationChecker]: L537 has no Hoare annotation [2020-07-08 22:21:34,256 WARN L170 areAnnotationChecker]: L536-1 has no Hoare annotation [2020-07-08 22:21:34,257 WARN L170 areAnnotationChecker]: L546-1 has no Hoare annotation [2020-07-08 22:21:34,257 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 22:21:34,257 WARN L170 areAnnotationChecker]: L552-1 has no Hoare annotation [2020-07-08 22:21:34,257 WARN L170 areAnnotationChecker]: L549-1 has no Hoare annotation [2020-07-08 22:21:34,257 WARN L170 areAnnotationChecker]: L525-7 has no Hoare annotation [2020-07-08 22:21:34,257 WARN L170 areAnnotationChecker]: L525-10 has no Hoare annotation [2020-07-08 22:21:34,257 WARN L170 areAnnotationChecker]: L540 has no Hoare annotation [2020-07-08 22:21:34,257 WARN L170 areAnnotationChecker]: L546-2 has no Hoare annotation [2020-07-08 22:21:34,257 WARN L170 areAnnotationChecker]: L552-2 has no Hoare annotation [2020-07-08 22:21:34,258 WARN L170 areAnnotationChecker]: L549-2 has no Hoare annotation [2020-07-08 22:21:34,258 WARN L170 areAnnotationChecker]: L526 has no Hoare annotation [2020-07-08 22:21:34,258 WARN L170 areAnnotationChecker]: insert_listFINAL has no Hoare annotation [2020-07-08 22:21:34,258 WARN L170 areAnnotationChecker]: L547 has no Hoare annotation [2020-07-08 22:21:34,258 WARN L170 areAnnotationChecker]: L547 has no Hoare annotation [2020-07-08 22:21:34,258 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2020-07-08 22:21:34,258 WARN L170 areAnnotationChecker]: L550 has no Hoare annotation [2020-07-08 22:21:34,258 WARN L170 areAnnotationChecker]: L526-1 has no Hoare annotation [2020-07-08 22:21:34,258 WARN L170 areAnnotationChecker]: insert_listEXIT has no Hoare annotation [2020-07-08 22:21:34,259 WARN L170 areAnnotationChecker]: insert_listEXIT has no Hoare annotation [2020-07-08 22:21:34,259 WARN L170 areAnnotationChecker]: insert_listEXIT has no Hoare annotation [2020-07-08 22:21:34,259 WARN L170 areAnnotationChecker]: insert_listEXIT has no Hoare annotation [2020-07-08 22:21:34,259 WARN L170 areAnnotationChecker]: L547-1 has no Hoare annotation [2020-07-08 22:21:34,259 WARN L170 areAnnotationChecker]: L553-1 has no Hoare annotation [2020-07-08 22:21:34,259 WARN L170 areAnnotationChecker]: L550-1 has no Hoare annotation [2020-07-08 22:21:34,259 WARN L170 areAnnotationChecker]: L550-1 has no Hoare annotation [2020-07-08 22:21:34,259 WARN L170 areAnnotationChecker]: L526-2 has no Hoare annotation [2020-07-08 22:21:34,259 WARN L170 areAnnotationChecker]: L548-1 has no Hoare annotation [2020-07-08 22:21:34,259 WARN L170 areAnnotationChecker]: L547-2 has no Hoare annotation [2020-07-08 22:21:34,260 WARN L170 areAnnotationChecker]: L548-2 has no Hoare annotation [2020-07-08 22:21:34,260 WARN L170 areAnnotationChecker]: L548 has no Hoare annotation [2020-07-08 22:21:34,260 WARN L170 areAnnotationChecker]: L548 has no Hoare annotation [2020-07-08 22:21:34,260 WARN L170 areAnnotationChecker]: L549 has no Hoare annotation [2020-07-08 22:21:34,260 WARN L170 areAnnotationChecker]: L549 has no Hoare annotation [2020-07-08 22:21:34,260 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 22:21:34,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 10:21:34 BoogieIcfgContainer [2020-07-08 22:21:34,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 22:21:34,266 INFO L168 Benchmark]: Toolchain (without parser) took 97583.32 ms. Allocated memory was 142.6 MB in the beginning and 629.7 MB in the end (delta: 487.1 MB). Free memory was 100.1 MB in the beginning and 175.2 MB in the end (delta: -75.1 MB). Peak memory consumption was 411.9 MB. Max. memory is 7.1 GB. [2020-07-08 22:21:34,267 INFO L168 Benchmark]: CDTParser took 1.09 ms. Allocated memory is still 142.6 MB. Free memory was 119.3 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 22:21:34,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.07 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 99.6 MB in the beginning and 164.8 MB in the end (delta: -65.2 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2020-07-08 22:21:34,268 INFO L168 Benchmark]: Boogie Preprocessor took 80.05 ms. Allocated memory is still 199.8 MB. Free memory was 164.8 MB in the beginning and 161.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2020-07-08 22:21:34,269 INFO L168 Benchmark]: RCFGBuilder took 832.68 ms. Allocated memory is still 199.8 MB. Free memory was 161.3 MB in the beginning and 99.1 MB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 7.1 GB. [2020-07-08 22:21:34,269 INFO L168 Benchmark]: TraceAbstraction took 95915.99 ms. Allocated memory was 199.8 MB in the beginning and 629.7 MB in the end (delta: 429.9 MB). Free memory was 99.1 MB in the beginning and 175.2 MB in the end (delta: -76.1 MB). Peak memory consumption was 353.8 MB. Max. memory is 7.1 GB. [2020-07-08 22:21:34,272 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09 ms. Allocated memory is still 142.6 MB. Free memory was 119.3 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 749.07 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 99.6 MB in the beginning and 164.8 MB in the end (delta: -65.2 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.05 ms. Allocated memory is still 199.8 MB. Free memory was 164.8 MB in the beginning and 161.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 832.68 ms. Allocated memory is still 199.8 MB. Free memory was 161.3 MB in the beginning and 99.1 MB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 95915.99 ms. Allocated memory was 199.8 MB in the beginning and 629.7 MB in the end (delta: 429.9 MB). Free memory was 99.1 MB in the beginning and 175.2 MB in the end (delta: -76.1 MB). Peak memory consumption was 353.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L522] mlist *head; VAL [\old(head)=31, \old(head)=14, head={0:0}] [L543] int i; VAL [\old(head)=0, \old(head)=0, head={0:0}] [L544] mlist *mylist, *temp; VAL [\old(head)=0, \old(head)=0, head={0:0}] [L545] CALL insert_list(mylist,2) VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={0:0}, l={12:15}] [L531] l = (mlist*)malloc(sizeof(mlist)) VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={0:0}, k=2, l={12:15}, l={-1:0}, malloc(sizeof(mlist))={-1:0}] [L532] l->key = k VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={0:0}, k=2, l={12:15}, l={-1:0}, malloc(sizeof(mlist))={-1:0}] [L533] COND TRUE head==((void *)0) VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={0:0}, k=2, l={12:15}, l={-1:0}, malloc(sizeof(mlist))={-1:0}] [L534] l->next = ((void *)0) VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={0:0}, k=2, l={-1:0}, l={12:15}, malloc(sizeof(mlist))={-1:0}] [L539] head = l VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-1:0}, k=2, l={-1:0}, l={12:15}, malloc(sizeof(mlist))={-1:0}] [L540] return 0; VAL [\old(head)=0, \old(head)=0, \old(k)=2, \result=0, head={-1:0}, k=2, l={-1:0}, l={12:15}, malloc(sizeof(mlist))={-1:0}] [L545] RET insert_list(mylist,2) VAL [\old(head)=0, \old(head)=0, head={-1:0}, insert_list(mylist,2)=0, mylist={12:15}] [L546] CALL insert_list(mylist,5) VAL [\old(head)=0, \old(head)=-1, \old(k)=5, head={-1:0}, l={12:15}] [L531] l = (mlist*)malloc(sizeof(mlist)) VAL [\old(head)=0, \old(head)=-1, \old(k)=5, head={-1:0}, k=5, l={12:15}, l={-5:0}, malloc(sizeof(mlist))={-5:0}] [L532] l->key = k VAL [\old(head)=-1, \old(head)=0, \old(k)=5, head={-1:0}, k=5, l={12:15}, l={-5:0}, malloc(sizeof(mlist))={-5:0}] [L533] COND FALSE !(head==((void *)0)) VAL [\old(head)=-1, \old(head)=0, \old(k)=5, head={-1:0}, k=5, l={-5:0}, l={12:15}, malloc(sizeof(mlist))={-5:0}] [L536] l->key = k VAL [\old(head)=0, \old(head)=-1, \old(k)=5, head={-1:0}, k=5, l={12:15}, l={-5:0}, malloc(sizeof(mlist))={-5:0}] [L537] l->next = head VAL [\old(head)=-1, \old(head)=0, \old(k)=5, head={-1:0}, k=5, l={12:15}, l={-5:0}, malloc(sizeof(mlist))={-5:0}] [L539] head = l VAL [\old(head)=-1, \old(head)=0, \old(k)=5, head={-5:0}, k=5, l={12:15}, l={-5:0}, malloc(sizeof(mlist))={-5:0}] [L540] return 0; VAL [\old(head)=-1, \old(head)=0, \old(k)=5, \result=0, head={-5:0}, k=5, l={-5:0}, l={12:15}, malloc(sizeof(mlist))={-5:0}] [L546] RET insert_list(mylist,5) VAL [\old(head)=0, \old(head)=0, head={-5:0}, insert_list(mylist,5)=0, mylist={12:15}] [L547] CALL insert_list(mylist,1) VAL [\old(head)=0, \old(head)=-5, \old(k)=1, head={-5:0}, l={12:15}] [L531] l = (mlist*)malloc(sizeof(mlist)) VAL [\old(head)=0, \old(head)=-5, \old(k)=1, head={-5:0}, k=1, l={-3:0}, l={12:15}, malloc(sizeof(mlist))={-3:0}] [L532] l->key = k VAL [\old(head)=-5, \old(head)=0, \old(k)=1, head={-5:0}, k=1, l={-3:0}, l={12:15}, malloc(sizeof(mlist))={-3:0}] [L533] COND FALSE !(head==((void *)0)) VAL [\old(head)=0, \old(head)=-5, \old(k)=1, head={-5:0}, k=1, l={12:15}, l={-3:0}, malloc(sizeof(mlist))={-3:0}] [L536] l->key = k VAL [\old(head)=-5, \old(head)=0, \old(k)=1, head={-5:0}, k=1, l={12:15}, l={-3:0}, malloc(sizeof(mlist))={-3:0}] [L537] l->next = head VAL [\old(head)=0, \old(head)=-5, \old(k)=1, head={-5:0}, k=1, l={-3:0}, l={12:15}, malloc(sizeof(mlist))={-3:0}] [L539] head = l VAL [\old(head)=-5, \old(head)=0, \old(k)=1, head={-3:0}, k=1, l={12:15}, l={-3:0}, malloc(sizeof(mlist))={-3:0}] [L540] return 0; VAL [\old(head)=0, \old(head)=-5, \old(k)=1, \result=0, head={-3:0}, k=1, l={-3:0}, l={12:15}, malloc(sizeof(mlist))={-3:0}] [L547] RET insert_list(mylist,1) VAL [\old(head)=0, \old(head)=0, head={-3:0}, insert_list(mylist,1)=0, mylist={12:15}] [L548] CALL insert_list(mylist,3) VAL [\old(head)=-3, \old(head)=0, \old(k)=3, head={-3:0}, l={12:15}] [L531] l = (mlist*)malloc(sizeof(mlist)) VAL [\old(head)=0, \old(head)=-3, \old(k)=3, head={-3:0}, k=3, l={12:15}, l={-4:0}, malloc(sizeof(mlist))={-4:0}] [L532] l->key = k VAL [\old(head)=0, \old(head)=-3, \old(k)=3, head={-3:0}, k=3, l={12:15}, l={-4:0}, malloc(sizeof(mlist))={-4:0}] [L533] COND FALSE !(head==((void *)0)) VAL [\old(head)=0, \old(head)=-3, \old(k)=3, head={-3:0}, k=3, l={-4:0}, l={12:15}, malloc(sizeof(mlist))={-4:0}] [L536] l->key = k VAL [\old(head)=-3, \old(head)=0, \old(k)=3, head={-3:0}, k=3, l={-4:0}, l={12:15}, malloc(sizeof(mlist))={-4:0}] [L537] l->next = head VAL [\old(head)=-3, \old(head)=0, \old(k)=3, head={-3:0}, k=3, l={-4:0}, l={12:15}, malloc(sizeof(mlist))={-4:0}] [L539] head = l VAL [\old(head)=0, \old(head)=-3, \old(k)=3, head={-4:0}, k=3, l={-4:0}, l={12:15}, malloc(sizeof(mlist))={-4:0}] [L540] return 0; VAL [\old(head)=0, \old(head)=-3, \old(k)=3, \result=0, head={-4:0}, k=3, l={-4:0}, l={12:15}, malloc(sizeof(mlist))={-4:0}] [L548] RET insert_list(mylist,3) VAL [\old(head)=0, \old(head)=0, head={-4:0}, insert_list(mylist,3)=0, mylist={12:15}] [L549] CALL, EXPR search_list(head,2) VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, l={-4:0}] [L524] l = head VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-4:0}, l={-4:0}] [L525] l!=((void *)0) && l->key!=k VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-4:0}, l={-4:0}, l!=((void *)0) && l->key!=k=1] [L525] EXPR l->key VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-4:0}, l={-4:0}, l!=((void *)0) && l->key!=k=1, l->key=3] [L525] l!=((void *)0) && l->key!=k VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-4:0}, l={-4:0}, l!=((void *)0) && l->key!=k=1, l->key=3] [L525] COND TRUE l!=((void *)0) && l->key!=k VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-4:0}, l={-4:0}, l!=((void *)0) && l->key!=k=1, l->key=3] [L526] EXPR l->next VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-4:0}, l={-4:0}, l->next={-3:0}] [L526] l = l->next VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-4:0}, l={-3:0}, l->next={-3:0}] [L525] l!=((void *)0) && l->key!=k VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-3:0}, l={-4:0}, l!=((void *)0) && l->key!=k=1] [L525] EXPR l->key VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-3:0}, l={-4:0}, l!=((void *)0) && l->key!=k=1, l->key=1] [L525] l!=((void *)0) && l->key!=k VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-3:0}, l={-4:0}, l!=((void *)0) && l->key!=k=1, l->key=1] [L525] COND TRUE l!=((void *)0) && l->key!=k VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-4:0}, l={-3:0}, l!=((void *)0) && l->key!=k=1, l->key=1] [L526] EXPR l->next VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-4:0}, l={-3:0}, l->next={-5:0}] [L526] l = l->next VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-5:0}, l={-4:0}, l->next={-5:0}] [L525] l!=((void *)0) && l->key!=k VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-4:0}, l={-5:0}, l!=((void *)0) && l->key!=k=1] [L525] EXPR l->key VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-5:0}, l={-4:0}, l!=((void *)0) && l->key!=k=1, l->key=5] [L525] l!=((void *)0) && l->key!=k VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-4:0}, l={-5:0}, l!=((void *)0) && l->key!=k=1, l->key=5] [L525] COND TRUE l!=((void *)0) && l->key!=k VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-5:0}, l={-4:0}, l!=((void *)0) && l->key!=k=1, l->key=5] [L526] EXPR l->next VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-5:0}, l={-4:0}, l->next={-1:0}] [L526] l = l->next VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-4:0}, l={-1:0}, l->next={-1:0}] [L525] l!=((void *)0) && l->key!=k VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-1:0}, l={-4:0}, l!=((void *)0) && l->key!=k=1] [L525] EXPR l->key VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-4:0}, l={-1:0}, l!=((void *)0) && l->key!=k=1, l->key=2] [L525] l!=((void *)0) && l->key!=k VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-4:0}, l={-1:0}, l!=((void *)0) && l->key!=k=0, l->key=2] [L525] COND FALSE !(l!=((void *)0) && l->key!=k) VAL [\old(head)=0, \old(head)=0, \old(k)=2, head={-4:0}, k=2, l={-1:0}, l={-4:0}, l!=((void *)0) && l->key!=k=0, l->key=2] [L528] return l; VAL [\old(head)=0, \old(head)=0, \old(k)=2, \result={-1:0}, head={-4:0}, k=2, l={-1:0}, l={-4:0}] [L549] RET, EXPR search_list(head,2) VAL [\old(head)=0, \old(head)=0, head={-4:0}, mylist={12:15}, search_list(head,2)={-1:0}] [L549] temp = search_list(head,2) VAL [\old(head)=0, \old(head)=0, head={-4:0}, mylist={12:15}, search_list(head,2)={-1:0}, temp={-1:0}] [L550] EXPR temp->key VAL [\old(head)=0, \old(head)=0, head={-4:0}, mylist={12:15}, temp={-1:0}, temp->key=2] [L550] CALL __VERIFIER_assert(temp->key==1) VAL [\old(cond)=0, \old(head)=0, \old(head)=0, head={-4:0}] [L3] COND TRUE !(cond) VAL [\old(cond)=0, \old(head)=0, \old(head)=0, cond=0, head={-4:0}] [L4] __VERIFIER_error() VAL [\old(cond)=0, \old(head)=0, \old(head)=0, cond=0, head={-4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 98 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 95.7s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 75.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 503 SDtfs, 2311 SDslu, 2805 SDs, 0 SdLazy, 10469 SolverSat, 541 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 519 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 379 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3983 ImplicationChecksByTransitivity, 26.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 150 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 922 NumberOfCodeBlocks, 922 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 793 ConstructedInterpolants, 0 QuantifiedInterpolants, 1110991 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 370/611 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...